2404 lines
91 KiB
C
2404 lines
91 KiB
C
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/**
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* \file physfs.h
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*
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* Main header file for PhysicsFS.
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*/
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/**
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* \mainpage PhysicsFS
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*
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* The latest version of PhysicsFS can be found at:
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* http://icculus.org/physfs/
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*
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* PhysicsFS; a portable, flexible file i/o abstraction.
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*
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* This API gives you access to a system file system in ways superior to the
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* stdio or system i/o calls. The brief benefits:
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*
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* - It's portable.
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* - It's safe. No file access is permitted outside the specified dirs.
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* - It's flexible. Archives (.ZIP files) can be used transparently as
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* directory structures.
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*
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* This system is largely inspired by Quake 3's PK3 files and the related
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* fs_* cvars. If you've ever tinkered with these, then this API will be
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* familiar to you.
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*
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* With PhysicsFS, you have a single writing directory and multiple
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* directories (the "search path") for reading. You can think of this as a
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* filesystem within a filesystem. If (on Windows) you were to set the
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* writing directory to "C:\MyGame\MyWritingDirectory", then no PHYSFS calls
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* could touch anything above this directory, including the "C:\MyGame" and
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* "C:\" directories. This prevents an application's internal scripting
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* language from piddling over c:\\config.sys, for example. If you'd rather
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* give PHYSFS full access to the system's REAL file system, set the writing
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* dir to "C:\", but that's generally A Bad Thing for several reasons.
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*
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* Drive letters are hidden in PhysicsFS once you set up your initial paths.
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* The search path creates a single, hierarchical directory structure.
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* Not only does this lend itself well to general abstraction with archives,
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* it also gives better support to operating systems like MacOS and Unix.
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* Generally speaking, you shouldn't ever hardcode a drive letter; not only
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* does this hurt portability to non-Microsoft OSes, but it limits your win32
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* users to a single drive, too. Use the PhysicsFS abstraction functions and
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* allow user-defined configuration options, too. When opening a file, you
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* specify it like it was on a Unix filesystem: if you want to write to
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* "C:\MyGame\MyConfigFiles\game.cfg", then you might set the write dir to
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* "C:\MyGame" and then open "MyConfigFiles/game.cfg". This gives an
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* abstraction across all platforms. Specifying a file in this way is termed
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* "platform-independent notation" in this documentation. Specifying a
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* a filename in a form such as "C:\mydir\myfile" or
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* "MacOS hard drive:My Directory:My File" is termed "platform-dependent
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* notation". The only time you use platform-dependent notation is when
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* setting up your write directory and search path; after that, all file
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* access into those directories are done with platform-independent notation.
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*
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* All files opened for writing are opened in relation to the write directory,
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* which is the root of the writable filesystem. When opening a file for
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* reading, PhysicsFS goes through the search path. This is NOT the
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* same thing as the PATH environment variable. An application using
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* PhysicsFS specifies directories to be searched which may be actual
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* directories, or archive files that contain files and subdirectories of
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* their own. See the end of these docs for currently supported archive
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* formats.
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*
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* Once the search path is defined, you may open files for reading. If you've
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* got the following search path defined (to use a win32 example again):
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*
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* - C:\\mygame
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* - C:\\mygame\\myuserfiles
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* - D:\\mygamescdromdatafiles
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* - C:\\mygame\\installeddatafiles.zip
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*
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* Then a call to PHYSFS_openRead("textfiles/myfile.txt") (note the directory
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* separator, lack of drive letter, and lack of dir separator at the start of
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* the string; this is platform-independent notation) will check for
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* C:\\mygame\\textfiles\\myfile.txt, then
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* C:\\mygame\\myuserfiles\\textfiles\\myfile.txt, then
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* D:\\mygamescdromdatafiles\\textfiles\\myfile.txt, then, finally, for
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* textfiles\\myfile.txt inside of C:\\mygame\\installeddatafiles.zip.
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* Remember that most archive types and platform filesystems store their
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* filenames in a case-sensitive manner, so you should be careful to specify
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* it correctly.
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*
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* Files opened through PhysicsFS may NOT contain "." or ".." or ":" as dir
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* elements. Not only are these meaningless on MacOS Classic and/or Unix,
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* they are a security hole. Also, symbolic links (which can be found in
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* some archive types and directly in the filesystem on Unix platforms) are
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* NOT followed until you call PHYSFS_permitSymbolicLinks(). That's left to
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* your own discretion, as following a symlink can allow for access outside
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* the write dir and search paths. For portability, there is no mechanism for
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* creating new symlinks in PhysicsFS.
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*
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* The write dir is not included in the search path unless you specifically
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* add it. While you CAN change the write dir as many times as you like,
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* you should probably set it once and stick to it. Remember that your
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* program will not have permission to write in every directory on Unix and
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* NT systems.
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*
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* All files are opened in binary mode; there is no endline conversion for
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* textfiles. Other than that, PhysicsFS has some convenience functions for
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* platform-independence. There is a function to tell you the current
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* platform's dir separator ("\\" on windows, "/" on Unix, ":" on MacOS),
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* which is needed only to set up your search/write paths. There is a
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* function to tell you what CD-ROM drives contain accessible discs, and a
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* function to recommend a good search path, etc.
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*
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* A recommended order for the search path is the write dir, then the base dir,
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* then the cdrom dir, then any archives discovered. Quake 3 does something
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* like this, but moves the archives to the start of the search path. Build
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* Engine games, like Duke Nukem 3D and Blood, place the archives last, and
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* use the base dir for both searching and writing. There is a helper
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* function (PHYSFS_setSaneConfig()) that puts together a basic configuration
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* for you, based on a few parameters. Also see the comments on
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* PHYSFS_getBaseDir(), and PHYSFS_getUserDir() for info on what those
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* are and how they can help you determine an optimal search path.
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*
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* PhysicsFS 2.0 adds the concept of "mounting" archives to arbitrary points
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* in the search path. If a zipfile contains "maps/level.map" and you mount
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* that archive at "mods/mymod", then you would have to open
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* "mods/mymod/maps/level.map" to access the file, even though "mods/mymod"
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* isn't actually specified in the .zip file. Unlike the Unix mentality of
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* mounting a filesystem, "mods/mymod" doesn't actually have to exist when
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* mounting the zipfile. It's a "virtual" directory. The mounting mechanism
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* allows the developer to seperate archives in the tree and avoid trampling
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* over files when added new archives, such as including mod support in a
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* game...keeping external content on a tight leash in this manner can be of
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* utmost importance to some applications.
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*
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* PhysicsFS is mostly thread safe. The error messages returned by
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* PHYSFS_getLastError are unique by thread, and library-state-setting
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* functions are mutex'd. For efficiency, individual file accesses are
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* not locked, so you can not safely read/write/seek/close/etc the same
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* file from two threads at the same time. Other race conditions are bugs
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* that should be reported/patched.
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*
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* While you CAN use stdio/syscall file access in a program that has PHYSFS_*
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* calls, doing so is not recommended, and you can not use system
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* filehandles with PhysicsFS and vice versa.
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*
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* Note that archives need not be named as such: if you have a ZIP file and
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* rename it with a .PKG extension, the file will still be recognized as a
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* ZIP archive by PhysicsFS; the file's contents are used to determine its
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* type where possible.
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*
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* Currently supported archive types:
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* - .ZIP (pkZip/WinZip/Info-ZIP compatible)
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* - .GRP (Build Engine groupfile archives)
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* - .PAK (Quake I/II archive format)
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* - .HOG (Descent I/II HOG file archives)
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* - .MVL (Descent II movielib archives)
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* - .WAD (DOOM engine archives)
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*
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*
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* String policy for PhysicsFS 2.0 and later:
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*
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* PhysicsFS 1.0 could only deal with null-terminated ASCII strings. All high
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* ASCII chars resulted in undefined behaviour, and there was no Unicode
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* support at all. PhysicsFS 2.0 supports Unicode without breaking binary
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* compatibility with the 1.0 API by using UTF-8 encoding of all strings
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* passed in and out of the library.
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*
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* All strings passed through PhysicsFS are in null-terminated UTF-8 format.
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* This means that if all you care about is English (ASCII characters <= 127)
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* then you just use regular C strings. If you care about Unicode (and you
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* should!) then you need to figure out what your platform wants, needs, and
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* offers. If you are on Windows and build with Unicode support, your TCHAR
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* strings are two bytes per character (this is called "UCS-2 encoding"). You
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* should convert them to UTF-8 before handing them to PhysicsFS with
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* PHYSFS_utf8FromUcs2(). If you're using Unix or Mac OS X, your wchar_t
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* strings are four bytes per character ("UCS-4 encoding"). Use
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* PHYSFS_utf8FromUcs4(). Mac OS X can give you UTF-8 directly from a
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* CFString, and many Unixes generally give you C strings in UTF-8 format
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* everywhere. If you have a single-byte high ASCII charset, like so-many
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* European "codepages" you may be out of luck. We'll convert from "Latin1"
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* to UTF-8 only, and never back to Latin1. If you're above ASCII 127, all
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* bets are off: move to Unicode or use your platform's facilities. Passing a
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* C string with high-ASCII data that isn't UTF-8 encoded will NOT do what
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* you expect!
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*
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* Naturally, there's also PHYSFS_utf8ToUcs2() and PHYSFS_utf8ToUcs4() to get
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* data back into a format you like. Behind the scenes, PhysicsFS will use
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* Unicode where possible: the UTF-8 strings on Windows will be converted
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* and used with the multibyte Windows APIs, for example.
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*
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* PhysicsFS offers basic encoding conversion support, but not a whole string
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* library. Get your stuff into whatever format you can work with.
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*
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* Some platforms and archivers don't offer full Unicode support behind the
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* scenes. For example, OS/2 only offers "codepages" and the filesystem
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* itself doesn't support multibyte encodings. We make an earnest effort to
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* convert to/from the current locale here, but all bets are off if
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* you want to hand an arbitrary Japanese character through to these systems.
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* Modern OSes (Mac OS X, Linux, Windows, PocketPC, etc) should all be fine.
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* Many game-specific archivers are seriously unprepared for Unicode (the
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* Descent HOG/MVL and Build Engine GRP archivers, for example, only offer a
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* DOS 8.3 filename, for example). Nothing can be done for these, but they
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* tend to be legacy formats for existing content that was all ASCII (and
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* thus, valid UTF-8) anyhow. Other formats, like .ZIP, don't explicitly
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* offer Unicode support, but unofficially expect filenames to be UTF-8
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* encoded, and thus Just Work. Most everything does the right thing without
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* bothering you, but it's good to be aware of these nuances in case they
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* don't.
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*
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*
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* Other stuff:
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*
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* Please see the file LICENSE.txt in the source's root directory for licensing
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* and redistribution rights.
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*
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* Please see the file CREDITS.txt in the source's root directory for a more or
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* less complete list of who's responsible for this.
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*
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* \author Ryan C. Gordon.
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*/
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#ifndef _INCLUDE_PHYSFS_H_
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#define _INCLUDE_PHYSFS_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef DOXYGEN_SHOULD_IGNORE_THIS
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#ifndef ALLEGRO_STATICLINK
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#if (defined _MSC_VER)
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#if defined(ALLEGRO_SRC) || defined(ALLEGRO_PHYSFS_SRC)
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#define __EXPORT__ __declspec(dllexport)
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#else
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#define __EXPORT__ __declspec(dllimport)
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#endif
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#elif (__GNUC__ >= 3)
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#define __EXPORT__ __attribute__((visibility("default")))
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#else
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#define __EXPORT__
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#endif
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#else
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#define __EXPORT__
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#endif
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#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
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/**
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* \typedef PHYSFS_uint8
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* \brief An unsigned, 8-bit integer type.
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*/
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typedef unsigned char PHYSFS_uint8;
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/**
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* \typedef PHYSFS_sint8
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* \brief A signed, 8-bit integer type.
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*/
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typedef signed char PHYSFS_sint8;
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/**
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* \typedef PHYSFS_uint16
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* \brief An unsigned, 16-bit integer type.
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*/
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typedef unsigned short PHYSFS_uint16;
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/**
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* \typedef PHYSFS_sint16
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* \brief A signed, 16-bit integer type.
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*/
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typedef signed short PHYSFS_sint16;
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/**
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* \typedef PHYSFS_uint32
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* \brief An unsigned, 32-bit integer type.
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*/
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typedef unsigned int PHYSFS_uint32;
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/**
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* \typedef PHYSFS_sint32
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* \brief A signed, 32-bit integer type.
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*/
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typedef signed int PHYSFS_sint32;
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/**
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* \typedef PHYSFS_uint64
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* \brief An unsigned, 64-bit integer type.
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* \warning on platforms without any sort of 64-bit datatype, this is
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* equivalent to PHYSFS_uint32!
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*/
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/**
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* \typedef PHYSFS_sint64
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* \brief A signed, 64-bit integer type.
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* \warning on platforms without any sort of 64-bit datatype, this is
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* equivalent to PHYSFS_sint32!
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*/
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#if (defined PHYSFS_NO_64BIT_SUPPORT) /* oh well. */
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typedef PHYSFS_uint32 PHYSFS_uint64;
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typedef PHYSFS_sint32 PHYSFS_sint64;
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#elif (defined _MSC_VER)
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typedef signed __int64 PHYSFS_sint64;
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typedef unsigned __int64 PHYSFS_uint64;
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#else
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typedef unsigned long long PHYSFS_uint64;
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typedef signed long long PHYSFS_sint64;
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#endif
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#ifndef DOXYGEN_SHOULD_IGNORE_THIS
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/* Make sure the types really have the right sizes */
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#define PHYSFS_COMPILE_TIME_ASSERT(name, x) \
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typedef int PHYSFS_dummy_ ## name[(x) * 2 - 1]
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PHYSFS_COMPILE_TIME_ASSERT(uint8, sizeof(PHYSFS_uint8) == 1);
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PHYSFS_COMPILE_TIME_ASSERT(sint8, sizeof(PHYSFS_sint8) == 1);
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PHYSFS_COMPILE_TIME_ASSERT(uint16, sizeof(PHYSFS_uint16) == 2);
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PHYSFS_COMPILE_TIME_ASSERT(sint16, sizeof(PHYSFS_sint16) == 2);
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PHYSFS_COMPILE_TIME_ASSERT(uint32, sizeof(PHYSFS_uint32) == 4);
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PHYSFS_COMPILE_TIME_ASSERT(sint32, sizeof(PHYSFS_sint32) == 4);
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#ifndef PHYSFS_NO_64BIT_SUPPORT
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PHYSFS_COMPILE_TIME_ASSERT(uint64, sizeof(PHYSFS_uint64) == 8);
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PHYSFS_COMPILE_TIME_ASSERT(sint64, sizeof(PHYSFS_sint64) == 8);
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#endif
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#undef PHYSFS_COMPILE_TIME_ASSERT
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#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
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/**
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* \struct PHYSFS_File
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* \brief A PhysicsFS file handle.
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*
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* You get a pointer to one of these when you open a file for reading,
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* writing, or appending via PhysicsFS.
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*
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* As you can see from the lack of meaningful fields, you should treat this
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* as opaque data. Don't try to manipulate the file handle, just pass the
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* pointer you got, unmolested, to various PhysicsFS APIs.
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*
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* \sa PHYSFS_openRead
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* \sa PHYSFS_openWrite
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* \sa PHYSFS_openAppend
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* \sa PHYSFS_close
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* \sa PHYSFS_read
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* \sa PHYSFS_write
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* \sa PHYSFS_seek
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* \sa PHYSFS_tell
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* \sa PHYSFS_eof
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* \sa PHYSFS_setBuffer
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* \sa PHYSFS_flush
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*/
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typedef struct PHYSFS_File
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{
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void *opaque; /**< That's all you get. Don't touch. */
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} PHYSFS_File;
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/**
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* \def PHYSFS_file
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* \brief 1.0 API compatibility define.
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*
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* PHYSFS_file is identical to PHYSFS_File. This #define is here for backwards
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* compatibility with the 1.0 API, which had an inconsistent capitalization
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* convention in this case. New code should use PHYSFS_File, as this #define
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* may go away someday.
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*
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* \sa PHYSFS_File
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*/
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#define PHYSFS_file PHYSFS_File
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/**
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* \struct PHYSFS_ArchiveInfo
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* \brief Information on various PhysicsFS-supported archives.
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||
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*
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||
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* This structure gives you details on what sort of archives are supported
|
||
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* by this implementation of PhysicsFS. Archives tend to be things like
|
||
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* ZIP files and such.
|
||
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*
|
||
|
* \warning Not all binaries are created equal! PhysicsFS can be built with
|
||
|
* or without support for various archives. You can check with
|
||
|
* PHYSFS_supportedArchiveTypes() to see if your archive type is
|
||
|
* supported.
|
||
|
*
|
||
|
* \sa PHYSFS_supportedArchiveTypes
|
||
|
*/
|
||
|
typedef struct PHYSFS_ArchiveInfo
|
||
|
{
|
||
|
const char *extension; /**< Archive file extension: "ZIP", for example. */
|
||
|
const char *description; /**< Human-readable archive description. */
|
||
|
const char *author; /**< Person who did support for this archive. */
|
||
|
const char *url; /**< URL related to this archive */
|
||
|
} PHYSFS_ArchiveInfo;
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \struct PHYSFS_Version
|
||
|
* \brief Information the version of PhysicsFS in use.
|
||
|
*
|
||
|
* Represents the library's version as three levels: major revision
|
||
|
* (increments with massive changes, additions, and enhancements),
|
||
|
* minor revision (increments with backwards-compatible changes to the
|
||
|
* major revision), and patchlevel (increments with fixes to the minor
|
||
|
* revision).
|
||
|
*
|
||
|
* \sa PHYSFS_VERSION
|
||
|
* \sa PHYSFS_getLinkedVersion
|
||
|
*/
|
||
|
typedef struct PHYSFS_Version
|
||
|
{
|
||
|
PHYSFS_uint8 major; /**< major revision */
|
||
|
PHYSFS_uint8 minor; /**< minor revision */
|
||
|
PHYSFS_uint8 patch; /**< patchlevel */
|
||
|
} PHYSFS_Version;
|
||
|
|
||
|
#ifndef DOXYGEN_SHOULD_IGNORE_THIS
|
||
|
#define PHYSFS_VER_MAJOR 2
|
||
|
#define PHYSFS_VER_MINOR 0
|
||
|
#define PHYSFS_VER_PATCH 1
|
||
|
#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
|
||
|
|
||
|
|
||
|
/* PhysicsFS state stuff ... */
|
||
|
|
||
|
/**
|
||
|
* \def PHYSFS_VERSION(x)
|
||
|
* \brief Macro to determine PhysicsFS version program was compiled against.
|
||
|
*
|
||
|
* This macro fills in a PHYSFS_Version structure with the version of the
|
||
|
* library you compiled against. This is determined by what header the
|
||
|
* compiler uses. Note that if you dynamically linked the library, you might
|
||
|
* have a slightly newer or older version at runtime. That version can be
|
||
|
* determined with PHYSFS_getLinkedVersion(), which, unlike PHYSFS_VERSION,
|
||
|
* is not a macro.
|
||
|
*
|
||
|
* \param x A pointer to a PHYSFS_Version struct to initialize.
|
||
|
*
|
||
|
* \sa PHYSFS_Version
|
||
|
* \sa PHYSFS_getLinkedVersion
|
||
|
*/
|
||
|
#define PHYSFS_VERSION(x) \
|
||
|
{ \
|
||
|
(x)->major = PHYSFS_VER_MAJOR; \
|
||
|
(x)->minor = PHYSFS_VER_MINOR; \
|
||
|
(x)->patch = PHYSFS_VER_PATCH; \
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn void PHYSFS_getLinkedVersion(PHYSFS_Version *ver)
|
||
|
* \brief Get the version of PhysicsFS that is linked against your program.
|
||
|
*
|
||
|
* If you are using a shared library (DLL) version of PhysFS, then it is
|
||
|
* possible that it will be different than the version you compiled against.
|
||
|
*
|
||
|
* This is a real function; the macro PHYSFS_VERSION tells you what version
|
||
|
* of PhysFS you compiled against:
|
||
|
*
|
||
|
* \code
|
||
|
* PHYSFS_Version compiled;
|
||
|
* PHYSFS_Version linked;
|
||
|
*
|
||
|
* PHYSFS_VERSION(&compiled);
|
||
|
* PHYSFS_getLinkedVersion(&linked);
|
||
|
* printf("We compiled against PhysFS version %d.%d.%d ...\n",
|
||
|
* compiled.major, compiled.minor, compiled.patch);
|
||
|
* printf("But we linked against PhysFS version %d.%d.%d.\n",
|
||
|
* linked.major, linked.minor, linked.patch);
|
||
|
* \endcode
|
||
|
*
|
||
|
* This function may be called safely at any time, even before PHYSFS_init().
|
||
|
*
|
||
|
* \sa PHYSFS_VERSION
|
||
|
*/
|
||
|
__EXPORT__ void PHYSFS_getLinkedVersion(PHYSFS_Version *ver);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_init(const char *argv0)
|
||
|
* \brief Initialize the PhysicsFS library.
|
||
|
*
|
||
|
* This must be called before any other PhysicsFS function.
|
||
|
*
|
||
|
* This should be called prior to any attempts to change your process's
|
||
|
* current working directory.
|
||
|
*
|
||
|
* \param argv0 the argv[0] string passed to your program's mainline.
|
||
|
* This may be NULL on most platforms (such as ones without a
|
||
|
* standard main() function), but you should always try to pass
|
||
|
* something in here. Unix-like systems such as Linux _need_ to
|
||
|
* pass argv[0] from main() in here.
|
||
|
* \return nonzero on success, zero on error. Specifics of the error can be
|
||
|
* gleaned from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \sa PHYSFS_deinit
|
||
|
* \sa PHYSFS_isInit
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_init(const char *argv0);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_deinit(void)
|
||
|
* \brief Deinitialize the PhysicsFS library.
|
||
|
*
|
||
|
* This closes any files opened via PhysicsFS, blanks the search/write paths,
|
||
|
* frees memory, and invalidates all of your file handles.
|
||
|
*
|
||
|
* Note that this call can FAIL if there's a file open for writing that
|
||
|
* refuses to close (for example, the underlying operating system was
|
||
|
* buffering writes to network filesystem, and the fileserver has crashed,
|
||
|
* or a hard drive has failed, etc). It is usually best to close all write
|
||
|
* handles yourself before calling this function, so that you can gracefully
|
||
|
* handle a specific failure.
|
||
|
*
|
||
|
* Once successfully deinitialized, PHYSFS_init() can be called again to
|
||
|
* restart the subsystem. All default API states are restored at this
|
||
|
* point, with the exception of any custom allocator you might have
|
||
|
* specified, which survives between initializations.
|
||
|
*
|
||
|
* \return nonzero on success, zero on error. Specifics of the error can be
|
||
|
* gleaned from PHYSFS_getLastError(). If failure, state of PhysFS is
|
||
|
* undefined, and probably badly screwed up.
|
||
|
*
|
||
|
* \sa PHYSFS_init
|
||
|
* \sa PHYSFS_isInit
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_deinit(void);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn const PHYSFS_ArchiveInfo **PHYSFS_supportedArchiveTypes(void)
|
||
|
* \brief Get a list of supported archive types.
|
||
|
*
|
||
|
* Get a list of archive types supported by this implementation of PhysicFS.
|
||
|
* These are the file formats usable for search path entries. This is for
|
||
|
* informational purposes only. Note that the extension listed is merely
|
||
|
* convention: if we list "ZIP", you can open a PkZip-compatible archive
|
||
|
* with an extension of "XYZ", if you like.
|
||
|
*
|
||
|
* The returned value is an array of pointers to PHYSFS_ArchiveInfo structures,
|
||
|
* with a NULL entry to signify the end of the list:
|
||
|
*
|
||
|
* \code
|
||
|
* PHYSFS_ArchiveInfo **i;
|
||
|
*
|
||
|
* for (i = PHYSFS_supportedArchiveTypes(); *i != NULL; i++)
|
||
|
* {
|
||
|
* printf("Supported archive: [%s], which is [%s].\n",
|
||
|
* (*i)->extension, (*i)->description);
|
||
|
* }
|
||
|
* \endcode
|
||
|
*
|
||
|
* The return values are pointers to static internal memory, and should
|
||
|
* be considered READ ONLY, and never freed.
|
||
|
*
|
||
|
* \return READ ONLY Null-terminated array of READ ONLY structures.
|
||
|
*/
|
||
|
__EXPORT__ const PHYSFS_ArchiveInfo **PHYSFS_supportedArchiveTypes(void);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn void PHYSFS_freeList(void *listVar)
|
||
|
* \brief Deallocate resources of lists returned by PhysicsFS.
|
||
|
*
|
||
|
* Certain PhysicsFS functions return lists of information that are
|
||
|
* dynamically allocated. Use this function to free those resources.
|
||
|
*
|
||
|
* \param listVar List of information specified as freeable by this function.
|
||
|
*
|
||
|
* \sa PHYSFS_getCdRomDirs
|
||
|
* \sa PHYSFS_enumerateFiles
|
||
|
* \sa PHYSFS_getSearchPath
|
||
|
*/
|
||
|
__EXPORT__ void PHYSFS_freeList(void *listVar);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn const char *PHYSFS_getLastError(void)
|
||
|
* \brief Get human-readable error information.
|
||
|
*
|
||
|
* Get the last PhysicsFS error message as a human-readable, null-terminated
|
||
|
* string. This will be NULL if there's been no error since the last call to
|
||
|
* this function. The pointer returned by this call points to an internal
|
||
|
* buffer. Each thread has a unique error state associated with it, but each
|
||
|
* time a new error message is set, it will overwrite the previous one
|
||
|
* associated with that thread. It is safe to call this function at anytime,
|
||
|
* even before PHYSFS_init().
|
||
|
*
|
||
|
* It is not wise to expect a specific string of characters here, since the
|
||
|
* error message may be localized into an unfamiliar language. These strings
|
||
|
* are meant to be passed on directly to the user.
|
||
|
*
|
||
|
* \return READ ONLY string of last error message.
|
||
|
*/
|
||
|
__EXPORT__ const char *PHYSFS_getLastError(void);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn const char *PHYSFS_getDirSeparator(void)
|
||
|
* \brief Get platform-dependent dir separator string.
|
||
|
*
|
||
|
* This returns "\\" on win32, "/" on Unix, and ":" on MacOS. It may be more
|
||
|
* than one character, depending on the platform, and your code should take
|
||
|
* that into account. Note that this is only useful for setting up the
|
||
|
* search/write paths, since access into those dirs always use '/'
|
||
|
* (platform-independent notation) to separate directories. This is also
|
||
|
* handy for getting platform-independent access when using stdio calls.
|
||
|
*
|
||
|
* \return READ ONLY null-terminated string of platform's dir separator.
|
||
|
*/
|
||
|
__EXPORT__ const char *PHYSFS_getDirSeparator(void);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn void PHYSFS_permitSymbolicLinks(int allow)
|
||
|
* \brief Enable or disable following of symbolic links.
|
||
|
*
|
||
|
* Some physical filesystems and archives contain files that are just pointers
|
||
|
* to other files. On the physical filesystem, opening such a link will
|
||
|
* (transparently) open the file that is pointed to.
|
||
|
*
|
||
|
* By default, PhysicsFS will check if a file is really a symlink during open
|
||
|
* calls and fail if it is. Otherwise, the link could take you outside the
|
||
|
* write and search paths, and compromise security.
|
||
|
*
|
||
|
* If you want to take that risk, call this function with a non-zero parameter.
|
||
|
* Note that this is more for sandboxing a program's scripting language, in
|
||
|
* case untrusted scripts try to compromise the system. Generally speaking,
|
||
|
* a user could very well have a legitimate reason to set up a symlink, so
|
||
|
* unless you feel there's a specific danger in allowing them, you should
|
||
|
* permit them.
|
||
|
*
|
||
|
* Symlinks are only explicitly checked when dealing with filenames
|
||
|
* in platform-independent notation. That is, when setting up your
|
||
|
* search and write paths, etc, symlinks are never checked for.
|
||
|
*
|
||
|
* Symbolic link permission can be enabled or disabled at any time after
|
||
|
* you've called PHYSFS_init(), and is disabled by default.
|
||
|
*
|
||
|
* \param allow nonzero to permit symlinks, zero to deny linking.
|
||
|
*
|
||
|
* \sa PHYSFS_symbolicLinksPermitted
|
||
|
*/
|
||
|
__EXPORT__ void PHYSFS_permitSymbolicLinks(int allow);
|
||
|
|
||
|
|
||
|
/* !!! FIXME: const this? */
|
||
|
/**
|
||
|
* \fn char **PHYSFS_getCdRomDirs(void)
|
||
|
* \brief Get an array of paths to available CD-ROM drives.
|
||
|
*
|
||
|
* The dirs returned are platform-dependent ("D:\" on Win32, "/cdrom" or
|
||
|
* whatnot on Unix). Dirs are only returned if there is a disc ready and
|
||
|
* accessible in the drive. So if you've got two drives (D: and E:), and only
|
||
|
* E: has a disc in it, then that's all you get. If the user inserts a disc
|
||
|
* in D: and you call this function again, you get both drives. If, on a
|
||
|
* Unix box, the user unmounts a disc and remounts it elsewhere, the next
|
||
|
* call to this function will reflect that change.
|
||
|
*
|
||
|
* This function refers to "CD-ROM" media, but it really means "inserted disc
|
||
|
* media," such as DVD-ROM, HD-DVD, CDRW, and Blu-Ray discs. It looks for
|
||
|
* filesystems, and as such won't report an audio CD, unless there's a
|
||
|
* mounted filesystem track on it.
|
||
|
*
|
||
|
* The returned value is an array of strings, with a NULL entry to signify the
|
||
|
* end of the list:
|
||
|
*
|
||
|
* \code
|
||
|
* char **cds = PHYSFS_getCdRomDirs();
|
||
|
* char **i;
|
||
|
*
|
||
|
* for (i = cds; *i != NULL; i++)
|
||
|
* printf("cdrom dir [%s] is available.\n", *i);
|
||
|
*
|
||
|
* PHYSFS_freeList(cds);
|
||
|
* \endcode
|
||
|
*
|
||
|
* This call may block while drives spin up. Be forewarned.
|
||
|
*
|
||
|
* When you are done with the returned information, you may dispose of the
|
||
|
* resources by calling PHYSFS_freeList() with the returned pointer.
|
||
|
*
|
||
|
* \return Null-terminated array of null-terminated strings.
|
||
|
*
|
||
|
* \sa PHYSFS_getCdRomDirsCallback
|
||
|
*/
|
||
|
__EXPORT__ char **PHYSFS_getCdRomDirs(void);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn const char *PHYSFS_getBaseDir(void)
|
||
|
* \brief Get the path where the application resides.
|
||
|
*
|
||
|
* Helper function.
|
||
|
*
|
||
|
* Get the "base dir". This is the directory where the application was run
|
||
|
* from, which is probably the installation directory, and may or may not
|
||
|
* be the process's current working directory.
|
||
|
*
|
||
|
* You should probably use the base dir in your search path.
|
||
|
*
|
||
|
* \return READ ONLY string of base dir in platform-dependent notation.
|
||
|
*
|
||
|
* \sa PHYSFS_getUserDir
|
||
|
*/
|
||
|
__EXPORT__ const char *PHYSFS_getBaseDir(void);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn const char *PHYSFS_getUserDir(void)
|
||
|
* \brief Get the path where user's home directory resides.
|
||
|
*
|
||
|
* Helper function.
|
||
|
*
|
||
|
* Get the "user dir". This is meant to be a suggestion of where a specific
|
||
|
* user of the system can store files. On Unix, this is her home directory.
|
||
|
* On systems with no concept of multiple home directories (MacOS, win95),
|
||
|
* this will default to something like "C:\mybasedir\users\username"
|
||
|
* where "username" will either be the login name, or "default" if the
|
||
|
* platform doesn't support multiple users, either.
|
||
|
*
|
||
|
* You should probably use the user dir as the basis for your write dir, and
|
||
|
* also put it near the beginning of your search path.
|
||
|
*
|
||
|
* \return READ ONLY string of user dir in platform-dependent notation.
|
||
|
*
|
||
|
* \sa PHYSFS_getBaseDir
|
||
|
*/
|
||
|
__EXPORT__ const char *PHYSFS_getUserDir(void);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn const char *PHYSFS_getWriteDir(void)
|
||
|
* \brief Get path where PhysicsFS will allow file writing.
|
||
|
*
|
||
|
* Get the current write dir. The default write dir is NULL.
|
||
|
*
|
||
|
* \return READ ONLY string of write dir in platform-dependent notation,
|
||
|
* OR NULL IF NO WRITE PATH IS CURRENTLY SET.
|
||
|
*
|
||
|
* \sa PHYSFS_setWriteDir
|
||
|
*/
|
||
|
__EXPORT__ const char *PHYSFS_getWriteDir(void);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_setWriteDir(const char *newDir)
|
||
|
* \brief Tell PhysicsFS where it may write files.
|
||
|
*
|
||
|
* Set a new write dir. This will override the previous setting.
|
||
|
*
|
||
|
* This call will fail (and fail to change the write dir) if the current
|
||
|
* write dir still has files open in it.
|
||
|
*
|
||
|
* \param newDir The new directory to be the root of the write dir,
|
||
|
* specified in platform-dependent notation. Setting to NULL
|
||
|
* disables the write dir, so no files can be opened for
|
||
|
* writing via PhysicsFS.
|
||
|
* \return non-zero on success, zero on failure. All attempts to open a file
|
||
|
* for writing via PhysicsFS will fail until this call succeeds.
|
||
|
* Specifics of the error can be gleaned from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \sa PHYSFS_getWriteDir
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_setWriteDir(const char *newDir);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_addToSearchPath(const char *newDir, int appendToPath)
|
||
|
* \brief Add an archive or directory to the search path.
|
||
|
*
|
||
|
* This is a legacy call in PhysicsFS 2.0, equivalent to:
|
||
|
* PHYSFS_mount(newDir, NULL, appendToPath);
|
||
|
*
|
||
|
* You must use this and not PHYSFS_mount if binary compatibility with
|
||
|
* PhysicsFS 1.0 is important (which it may not be for many people).
|
||
|
*
|
||
|
* \sa PHYSFS_mount
|
||
|
* \sa PHYSFS_removeFromSearchPath
|
||
|
* \sa PHYSFS_getSearchPath
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_addToSearchPath(const char *newDir, int appendToPath);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_removeFromSearchPath(const char *oldDir)
|
||
|
* \brief Remove a directory or archive from the search path.
|
||
|
*
|
||
|
* This must be a (case-sensitive) match to a dir or archive already in the
|
||
|
* search path, specified in platform-dependent notation.
|
||
|
*
|
||
|
* This call will fail (and fail to remove from the path) if the element still
|
||
|
* has files open in it.
|
||
|
*
|
||
|
* \param oldDir dir/archive to remove.
|
||
|
* \return nonzero on success, zero on failure.
|
||
|
* Specifics of the error can be gleaned from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \sa PHYSFS_addToSearchPath
|
||
|
* \sa PHYSFS_getSearchPath
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_removeFromSearchPath(const char *oldDir);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn char **PHYSFS_getSearchPath(void)
|
||
|
* \brief Get the current search path.
|
||
|
*
|
||
|
* The default search path is an empty list.
|
||
|
*
|
||
|
* The returned value is an array of strings, with a NULL entry to signify the
|
||
|
* end of the list:
|
||
|
*
|
||
|
* \code
|
||
|
* char **i;
|
||
|
*
|
||
|
* for (i = PHYSFS_getSearchPath(); *i != NULL; i++)
|
||
|
* printf("[%s] is in the search path.\n", *i);
|
||
|
* \endcode
|
||
|
*
|
||
|
* When you are done with the returned information, you may dispose of the
|
||
|
* resources by calling PHYSFS_freeList() with the returned pointer.
|
||
|
*
|
||
|
* \return Null-terminated array of null-terminated strings. NULL if there
|
||
|
* was a problem (read: OUT OF MEMORY).
|
||
|
*
|
||
|
* \sa PHYSFS_getSearchPathCallback
|
||
|
* \sa PHYSFS_addToSearchPath
|
||
|
* \sa PHYSFS_removeFromSearchPath
|
||
|
*/
|
||
|
__EXPORT__ char **PHYSFS_getSearchPath(void);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_setSaneConfig(const char *organization, const char *appName, const char *archiveExt, int includeCdRoms, int archivesFirst)
|
||
|
* \brief Set up sane, default paths.
|
||
|
*
|
||
|
* Helper function.
|
||
|
*
|
||
|
* The write dir will be set to "userdir/.organization/appName", which is
|
||
|
* created if it doesn't exist.
|
||
|
*
|
||
|
* The above is sufficient to make sure your program's configuration directory
|
||
|
* is separated from other clutter, and platform-independent. The period
|
||
|
* before "mygame" even hides the directory on Unix systems.
|
||
|
*
|
||
|
* The search path will be:
|
||
|
*
|
||
|
* - The Write Dir (created if it doesn't exist)
|
||
|
* - The Base Dir (PHYSFS_getBaseDir())
|
||
|
* - All found CD-ROM dirs (optionally)
|
||
|
*
|
||
|
* These directories are then searched for files ending with the extension
|
||
|
* (archiveExt), which, if they are valid and supported archives, will also
|
||
|
* be added to the search path. If you specified "PKG" for (archiveExt), and
|
||
|
* there's a file named data.PKG in the base dir, it'll be checked. Archives
|
||
|
* can either be appended or prepended to the search path in alphabetical
|
||
|
* order, regardless of which directories they were found in.
|
||
|
*
|
||
|
* All of this can be accomplished from the application, but this just does it
|
||
|
* all for you. Feel free to add more to the search path manually, too.
|
||
|
*
|
||
|
* \param organization Name of your company/group/etc to be used as a
|
||
|
* dirname, so keep it small, and no-frills.
|
||
|
*
|
||
|
* \param appName Program-specific name of your program, to separate it
|
||
|
* from other programs using PhysicsFS.
|
||
|
*
|
||
|
* \param archiveExt File extension used by your program to specify an
|
||
|
* archive. For example, Quake 3 uses "pk3", even though
|
||
|
* they are just zipfiles. Specify NULL to not dig out
|
||
|
* archives automatically. Do not specify the '.' char;
|
||
|
* If you want to look for ZIP files, specify "ZIP" and
|
||
|
* not ".ZIP" ... the archive search is case-insensitive.
|
||
|
*
|
||
|
* \param includeCdRoms Non-zero to include CD-ROMs in the search path, and
|
||
|
* (if (archiveExt) != NULL) search them for archives.
|
||
|
* This may cause a significant amount of blocking
|
||
|
* while discs are accessed, and if there are no discs
|
||
|
* in the drive (or even not mounted on Unix systems),
|
||
|
* then they may not be made available anyhow. You may
|
||
|
* want to specify zero and handle the disc setup
|
||
|
* yourself.
|
||
|
*
|
||
|
* \param archivesFirst Non-zero to prepend the archives to the search path.
|
||
|
* Zero to append them. Ignored if !(archiveExt).
|
||
|
*
|
||
|
* \return nonzero on success, zero on error. Specifics of the error can be
|
||
|
* gleaned from PHYSFS_getLastError().
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_setSaneConfig(const char *organization,
|
||
|
const char *appName,
|
||
|
const char *archiveExt,
|
||
|
int includeCdRoms,
|
||
|
int archivesFirst);
|
||
|
|
||
|
|
||
|
/* Directory management stuff ... */
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_mkdir(const char *dirName)
|
||
|
* \brief Create a directory.
|
||
|
*
|
||
|
* This is specified in platform-independent notation in relation to the
|
||
|
* write dir. All missing parent directories are also created if they
|
||
|
* don't exist.
|
||
|
*
|
||
|
* So if you've got the write dir set to "C:\mygame\writedir" and call
|
||
|
* PHYSFS_mkdir("downloads/maps") then the directories
|
||
|
* "C:\mygame\writedir\downloads" and "C:\mygame\writedir\downloads\maps"
|
||
|
* will be created if possible. If the creation of "maps" fails after we
|
||
|
* have successfully created "downloads", then the function leaves the
|
||
|
* created directory behind and reports failure.
|
||
|
*
|
||
|
* \param dirName New dir to create.
|
||
|
* \return nonzero on success, zero on error. Specifics of the error can be
|
||
|
* gleaned from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \sa PHYSFS_delete
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_mkdir(const char *dirName);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_delete(const char *filename)
|
||
|
* \brief Delete a file or directory.
|
||
|
*
|
||
|
* (filename) is specified in platform-independent notation in relation to the
|
||
|
* write dir.
|
||
|
*
|
||
|
* A directory must be empty before this call can delete it.
|
||
|
*
|
||
|
* Deleting a symlink will remove the link, not what it points to, regardless
|
||
|
* of whether you "permitSymLinks" or not.
|
||
|
*
|
||
|
* So if you've got the write dir set to "C:\mygame\writedir" and call
|
||
|
* PHYSFS_delete("downloads/maps/level1.map") then the file
|
||
|
* "C:\mygame\writedir\downloads\maps\level1.map" is removed from the
|
||
|
* physical filesystem, if it exists and the operating system permits the
|
||
|
* deletion.
|
||
|
*
|
||
|
* Note that on Unix systems, deleting a file may be successful, but the
|
||
|
* actual file won't be removed until all processes that have an open
|
||
|
* filehandle to it (including your program) close their handles.
|
||
|
*
|
||
|
* Chances are, the bits that make up the file still exist, they are just
|
||
|
* made available to be written over at a later point. Don't consider this
|
||
|
* a security method or anything. :)
|
||
|
*
|
||
|
* \param filename Filename to delete.
|
||
|
* \return nonzero on success, zero on error. Specifics of the error can be
|
||
|
* gleaned from PHYSFS_getLastError().
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_delete(const char *filename);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn const char *PHYSFS_getRealDir(const char *filename)
|
||
|
* \brief Figure out where in the search path a file resides.
|
||
|
*
|
||
|
* The file is specified in platform-independent notation. The returned
|
||
|
* filename will be the element of the search path where the file was found,
|
||
|
* which may be a directory, or an archive. Even if there are multiple
|
||
|
* matches in different parts of the search path, only the first one found
|
||
|
* is used, just like when opening a file.
|
||
|
*
|
||
|
* So, if you look for "maps/level1.map", and C:\\mygame is in your search
|
||
|
* path and C:\\mygame\\maps\\level1.map exists, then "C:\mygame" is returned.
|
||
|
*
|
||
|
* If a any part of a match is a symbolic link, and you've not explicitly
|
||
|
* permitted symlinks, then it will be ignored, and the search for a match
|
||
|
* will continue.
|
||
|
*
|
||
|
* If you specify a fake directory that only exists as a mount point, it'll
|
||
|
* be associated with the first archive mounted there, even though that
|
||
|
* directory isn't necessarily contained in a real archive.
|
||
|
*
|
||
|
* \param filename file to look for.
|
||
|
* \return READ ONLY string of element of search path containing the
|
||
|
* the file in question. NULL if not found.
|
||
|
*/
|
||
|
__EXPORT__ const char *PHYSFS_getRealDir(const char *filename);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn char **PHYSFS_enumerateFiles(const char *dir)
|
||
|
* \brief Get a file listing of a search path's directory.
|
||
|
*
|
||
|
* Matching directories are interpolated. That is, if "C:\mydir" is in the
|
||
|
* search path and contains a directory "savegames" that contains "x.sav",
|
||
|
* "y.sav", and "z.sav", and there is also a "C:\userdir" in the search path
|
||
|
* that has a "savegames" subdirectory with "w.sav", then the following code:
|
||
|
*
|
||
|
* \code
|
||
|
* char **rc = PHYSFS_enumerateFiles("savegames");
|
||
|
* char **i;
|
||
|
*
|
||
|
* for (i = rc; *i != NULL; i++)
|
||
|
* printf(" * We've got [%s].\n", *i);
|
||
|
*
|
||
|
* PHYSFS_freeList(rc);
|
||
|
* \endcode
|
||
|
*
|
||
|
* \...will print:
|
||
|
*
|
||
|
* \verbatim
|
||
|
* We've got [x.sav].
|
||
|
* We've got [y.sav].
|
||
|
* We've got [z.sav].
|
||
|
* We've got [w.sav].\endverbatim
|
||
|
*
|
||
|
* Feel free to sort the list however you like. We only promise there will
|
||
|
* be no duplicates, but not what order the final list will come back in.
|
||
|
*
|
||
|
* Don't forget to call PHYSFS_freeList() with the return value from this
|
||
|
* function when you are done with it.
|
||
|
*
|
||
|
* \param dir directory in platform-independent notation to enumerate.
|
||
|
* \return Null-terminated array of null-terminated strings.
|
||
|
*
|
||
|
* \sa PHYSFS_enumerateFilesCallback
|
||
|
*/
|
||
|
__EXPORT__ char **PHYSFS_enumerateFiles(const char *dir);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_exists(const char *fname)
|
||
|
* \brief Determine if a file exists in the search path.
|
||
|
*
|
||
|
* Reports true if there is an entry anywhere in the search path by the
|
||
|
* name of (fname).
|
||
|
*
|
||
|
* Note that entries that are symlinks are ignored if
|
||
|
* PHYSFS_permitSymbolicLinks(1) hasn't been called, so you
|
||
|
* might end up further down in the search path than expected.
|
||
|
*
|
||
|
* \param fname filename in platform-independent notation.
|
||
|
* \return non-zero if filename exists. zero otherwise.
|
||
|
*
|
||
|
* \sa PHYSFS_isDirectory
|
||
|
* \sa PHYSFS_isSymbolicLink
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_exists(const char *fname);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_isDirectory(const char *fname)
|
||
|
* \brief Determine if a file in the search path is really a directory.
|
||
|
*
|
||
|
* Determine if the first occurence of (fname) in the search path is
|
||
|
* really a directory entry.
|
||
|
*
|
||
|
* Note that entries that are symlinks are ignored if
|
||
|
* PHYSFS_permitSymbolicLinks(1) hasn't been called, so you
|
||
|
* might end up further down in the search path than expected.
|
||
|
*
|
||
|
* \param fname filename in platform-independent notation.
|
||
|
* \return non-zero if filename exists and is a directory. zero otherwise.
|
||
|
*
|
||
|
* \sa PHYSFS_exists
|
||
|
* \sa PHYSFS_isSymbolicLink
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_isDirectory(const char *fname);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_isSymbolicLink(const char *fname)
|
||
|
* \brief Determine if a file in the search path is really a symbolic link.
|
||
|
*
|
||
|
* Determine if the first occurence of (fname) in the search path is
|
||
|
* really a symbolic link.
|
||
|
*
|
||
|
* Note that entries that are symlinks are ignored if
|
||
|
* PHYSFS_permitSymbolicLinks(1) hasn't been called, and as such,
|
||
|
* this function will always return 0 in that case.
|
||
|
*
|
||
|
* \param fname filename in platform-independent notation.
|
||
|
* \return non-zero if filename exists and is a symlink. zero otherwise.
|
||
|
*
|
||
|
* \sa PHYSFS_exists
|
||
|
* \sa PHYSFS_isDirectory
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_isSymbolicLink(const char *fname);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_sint64 PHYSFS_getLastModTime(const char *filename)
|
||
|
* \brief Get the last modification time of a file.
|
||
|
*
|
||
|
* The modtime is returned as a number of seconds since the epoch
|
||
|
* (Jan 1, 1970). The exact derivation and accuracy of this time depends on
|
||
|
* the particular archiver. If there is no reasonable way to obtain this
|
||
|
* information for a particular archiver, or there was some sort of error,
|
||
|
* this function returns (-1).
|
||
|
*
|
||
|
* \param filename filename to check, in platform-independent notation.
|
||
|
* \return last modified time of the file. -1 if it can't be determined.
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_sint64 PHYSFS_getLastModTime(const char *filename);
|
||
|
|
||
|
|
||
|
/* i/o stuff... */
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_File *PHYSFS_openWrite(const char *filename)
|
||
|
* \brief Open a file for writing.
|
||
|
*
|
||
|
* Open a file for writing, in platform-independent notation and in relation
|
||
|
* to the write dir as the root of the writable filesystem. The specified
|
||
|
* file is created if it doesn't exist. If it does exist, it is truncated to
|
||
|
* zero bytes, and the writing offset is set to the start.
|
||
|
*
|
||
|
* Note that entries that are symlinks are ignored if
|
||
|
* PHYSFS_permitSymbolicLinks(1) hasn't been called, and opening a
|
||
|
* symlink with this function will fail in such a case.
|
||
|
*
|
||
|
* \param filename File to open.
|
||
|
* \return A valid PhysicsFS filehandle on success, NULL on error. Specifics
|
||
|
* of the error can be gleaned from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \sa PHYSFS_openRead
|
||
|
* \sa PHYSFS_openAppend
|
||
|
* \sa PHYSFS_write
|
||
|
* \sa PHYSFS_close
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_File *PHYSFS_openWrite(const char *filename);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_File *PHYSFS_openAppend(const char *filename)
|
||
|
* \brief Open a file for appending.
|
||
|
*
|
||
|
* Open a file for writing, in platform-independent notation and in relation
|
||
|
* to the write dir as the root of the writable filesystem. The specified
|
||
|
* file is created if it doesn't exist. If it does exist, the writing offset
|
||
|
* is set to the end of the file, so the first write will be the byte after
|
||
|
* the end.
|
||
|
*
|
||
|
* Note that entries that are symlinks are ignored if
|
||
|
* PHYSFS_permitSymbolicLinks(1) hasn't been called, and opening a
|
||
|
* symlink with this function will fail in such a case.
|
||
|
*
|
||
|
* \param filename File to open.
|
||
|
* \return A valid PhysicsFS filehandle on success, NULL on error. Specifics
|
||
|
* of the error can be gleaned from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \sa PHYSFS_openRead
|
||
|
* \sa PHYSFS_openWrite
|
||
|
* \sa PHYSFS_write
|
||
|
* \sa PHYSFS_close
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_File *PHYSFS_openAppend(const char *filename);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_File *PHYSFS_openRead(const char *filename)
|
||
|
* \brief Open a file for reading.
|
||
|
*
|
||
|
* Open a file for reading, in platform-independent notation. The search path
|
||
|
* is checked one at a time until a matching file is found, in which case an
|
||
|
* abstract filehandle is associated with it, and reading may be done.
|
||
|
* The reading offset is set to the first byte of the file.
|
||
|
*
|
||
|
* Note that entries that are symlinks are ignored if
|
||
|
* PHYSFS_permitSymbolicLinks(1) hasn't been called, and opening a
|
||
|
* symlink with this function will fail in such a case.
|
||
|
*
|
||
|
* \param filename File to open.
|
||
|
* \return A valid PhysicsFS filehandle on success, NULL on error. Specifics
|
||
|
* of the error can be gleaned from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \sa PHYSFS_openWrite
|
||
|
* \sa PHYSFS_openAppend
|
||
|
* \sa PHYSFS_read
|
||
|
* \sa PHYSFS_close
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_File *PHYSFS_openRead(const char *filename);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_close(PHYSFS_File *handle)
|
||
|
* \brief Close a PhysicsFS filehandle.
|
||
|
*
|
||
|
* This call is capable of failing if the operating system was buffering
|
||
|
* writes to the physical media, and, now forced to write those changes to
|
||
|
* physical media, can not store the data for some reason. In such a case,
|
||
|
* the filehandle stays open. A well-written program should ALWAYS check the
|
||
|
* return value from the close call in addition to every writing call!
|
||
|
*
|
||
|
* \param handle handle returned from PHYSFS_open*().
|
||
|
* \return nonzero on success, zero on error. Specifics of the error can be
|
||
|
* gleaned from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \sa PHYSFS_openRead
|
||
|
* \sa PHYSFS_openWrite
|
||
|
* \sa PHYSFS_openAppend
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_close(PHYSFS_File *handle);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_sint64 PHYSFS_read(PHYSFS_File *handle, void *buffer, PHYSFS_uint32 objSize, PHYSFS_uint32 objCount)
|
||
|
* \brief Read data from a PhysicsFS filehandle
|
||
|
*
|
||
|
* The file must be opened for reading.
|
||
|
*
|
||
|
* \param handle handle returned from PHYSFS_openRead().
|
||
|
* \param buffer buffer to store read data into.
|
||
|
* \param objSize size in bytes of objects being read from (handle).
|
||
|
* \param objCount number of (objSize) objects to read from (handle).
|
||
|
* \return number of objects read. PHYSFS_getLastError() can shed light on
|
||
|
* the reason this might be < (objCount), as can PHYSFS_eof().
|
||
|
* -1 if complete failure.
|
||
|
*
|
||
|
* \sa PHYSFS_eof
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_sint64 PHYSFS_read(PHYSFS_File *handle,
|
||
|
void *buffer,
|
||
|
PHYSFS_uint32 objSize,
|
||
|
PHYSFS_uint32 objCount);
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_sint64 PHYSFS_write(PHYSFS_File *handle, const void *buffer, PHYSFS_uint32 objSize, PHYSFS_uint32 objCount)
|
||
|
* \brief Write data to a PhysicsFS filehandle
|
||
|
*
|
||
|
* The file must be opened for writing.
|
||
|
*
|
||
|
* \param handle retval from PHYSFS_openWrite() or PHYSFS_openAppend().
|
||
|
* \param buffer buffer to store read data into.
|
||
|
* \param objSize size in bytes of objects being read from (handle).
|
||
|
* \param objCount number of (objSize) objects to read from (handle).
|
||
|
* \return number of objects written. PHYSFS_getLastError() can shed light on
|
||
|
* the reason this might be < (objCount). -1 if complete failure.
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_sint64 PHYSFS_write(PHYSFS_File *handle,
|
||
|
const void *buffer,
|
||
|
PHYSFS_uint32 objSize,
|
||
|
PHYSFS_uint32 objCount);
|
||
|
|
||
|
|
||
|
/* File position stuff... */
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_eof(PHYSFS_File *handle)
|
||
|
* \brief Check for end-of-file state on a PhysicsFS filehandle.
|
||
|
*
|
||
|
* Determine if the end of file has been reached in a PhysicsFS filehandle.
|
||
|
*
|
||
|
* \param handle handle returned from PHYSFS_openRead().
|
||
|
* \return nonzero if EOF, zero if not.
|
||
|
*
|
||
|
* \sa PHYSFS_read
|
||
|
* \sa PHYSFS_tell
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_eof(PHYSFS_File *handle);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_sint64 PHYSFS_tell(PHYSFS_File *handle)
|
||
|
* \brief Determine current position within a PhysicsFS filehandle.
|
||
|
*
|
||
|
* \param handle handle returned from PHYSFS_open*().
|
||
|
* \return offset in bytes from start of file. -1 if error occurred.
|
||
|
* Specifics of the error can be gleaned from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \sa PHYSFS_seek
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_sint64 PHYSFS_tell(PHYSFS_File *handle);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_seek(PHYSFS_File *handle, PHYSFS_uint64 pos)
|
||
|
* \brief Seek to a new position within a PhysicsFS filehandle.
|
||
|
*
|
||
|
* The next read or write will occur at that place. Seeking past the
|
||
|
* beginning or end of the file is not allowed, and causes an error.
|
||
|
*
|
||
|
* \param handle handle returned from PHYSFS_open*().
|
||
|
* \param pos number of bytes from start of file to seek to.
|
||
|
* \return nonzero on success, zero on error. Specifics of the error can be
|
||
|
* gleaned from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \sa PHYSFS_tell
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_seek(PHYSFS_File *handle, PHYSFS_uint64 pos);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_sint64 PHYSFS_fileLength(PHYSFS_File *handle)
|
||
|
* \brief Get total length of a file in bytes.
|
||
|
*
|
||
|
* Note that if the file size can't be determined (since the archive is
|
||
|
* "streamed" or whatnot) than this will report (-1). Also note that if
|
||
|
* another process/thread is writing to this file at the same time, then
|
||
|
* the information this function supplies could be incorrect before you
|
||
|
* get it. Use with caution, or better yet, don't use at all.
|
||
|
*
|
||
|
* \param handle handle returned from PHYSFS_open*().
|
||
|
* \return size in bytes of the file. -1 if can't be determined.
|
||
|
*
|
||
|
* \sa PHYSFS_tell
|
||
|
* \sa PHYSFS_seek
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_sint64 PHYSFS_fileLength(PHYSFS_File *handle);
|
||
|
|
||
|
|
||
|
/* Buffering stuff... */
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_setBuffer(PHYSFS_File *handle, PHYSFS_uint64 bufsize)
|
||
|
* \brief Set up buffering for a PhysicsFS file handle.
|
||
|
*
|
||
|
* Define an i/o buffer for a file handle. A memory block of (bufsize) bytes
|
||
|
* will be allocated and associated with (handle).
|
||
|
*
|
||
|
* For files opened for reading, up to (bufsize) bytes are read from (handle)
|
||
|
* and stored in the internal buffer. Calls to PHYSFS_read() will pull
|
||
|
* from this buffer until it is empty, and then refill it for more reading.
|
||
|
* Note that compressed files, like ZIP archives, will decompress while
|
||
|
* buffering, so this can be handy for offsetting CPU-intensive operations.
|
||
|
* The buffer isn't filled until you do your next read.
|
||
|
*
|
||
|
* For files opened for writing, data will be buffered to memory until the
|
||
|
* buffer is full or the buffer is flushed. Closing a handle implicitly
|
||
|
* causes a flush...check your return values!
|
||
|
*
|
||
|
* Seeking, etc transparently accounts for buffering.
|
||
|
*
|
||
|
* You can resize an existing buffer by calling this function more than once
|
||
|
* on the same file. Setting the buffer size to zero will free an existing
|
||
|
* buffer.
|
||
|
*
|
||
|
* PhysicsFS file handles are unbuffered by default.
|
||
|
*
|
||
|
* Please check the return value of this function! Failures can include
|
||
|
* not being able to seek backwards in a read-only file when removing the
|
||
|
* buffer, not being able to allocate the buffer, and not being able to
|
||
|
* flush the buffer to disk, among other unexpected problems.
|
||
|
*
|
||
|
* \param handle handle returned from PHYSFS_open*().
|
||
|
* \param bufsize size, in bytes, of buffer to allocate.
|
||
|
* \return nonzero if successful, zero on error.
|
||
|
*
|
||
|
* \sa PHYSFS_flush
|
||
|
* \sa PHYSFS_read
|
||
|
* \sa PHYSFS_write
|
||
|
* \sa PHYSFS_close
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_setBuffer(PHYSFS_File *handle, PHYSFS_uint64 bufsize);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_flush(PHYSFS_File *handle)
|
||
|
* \brief Flush a buffered PhysicsFS file handle.
|
||
|
*
|
||
|
* For buffered files opened for writing, this will put the current contents
|
||
|
* of the buffer to disk and flag the buffer as empty if possible.
|
||
|
*
|
||
|
* For buffered files opened for reading or unbuffered files, this is a safe
|
||
|
* no-op, and will report success.
|
||
|
*
|
||
|
* \param handle handle returned from PHYSFS_open*().
|
||
|
* \return nonzero if successful, zero on error.
|
||
|
*
|
||
|
* \sa PHYSFS_setBuffer
|
||
|
* \sa PHYSFS_close
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_flush(PHYSFS_File *handle);
|
||
|
|
||
|
|
||
|
/* Byteorder stuff... */
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_sint16 PHYSFS_swapSLE16(PHYSFS_sint16 val)
|
||
|
* \brief Swap littleendian signed 16 to platform's native byte order.
|
||
|
*
|
||
|
* Take a 16-bit signed value in littleendian format and convert it to
|
||
|
* the platform's native byte order.
|
||
|
*
|
||
|
* \param val value to convert
|
||
|
* \return converted value.
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_sint16 PHYSFS_swapSLE16(PHYSFS_sint16 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_uint16 PHYSFS_swapULE16(PHYSFS_uint16 val)
|
||
|
* \brief Swap littleendian unsigned 16 to platform's native byte order.
|
||
|
*
|
||
|
* Take a 16-bit unsigned value in littleendian format and convert it to
|
||
|
* the platform's native byte order.
|
||
|
*
|
||
|
* \param val value to convert
|
||
|
* \return converted value.
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_uint16 PHYSFS_swapULE16(PHYSFS_uint16 val);
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_sint32 PHYSFS_swapSLE32(PHYSFS_sint32 val)
|
||
|
* \brief Swap littleendian signed 32 to platform's native byte order.
|
||
|
*
|
||
|
* Take a 32-bit signed value in littleendian format and convert it to
|
||
|
* the platform's native byte order.
|
||
|
*
|
||
|
* \param val value to convert
|
||
|
* \return converted value.
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_sint32 PHYSFS_swapSLE32(PHYSFS_sint32 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_uint32 PHYSFS_swapULE32(PHYSFS_uint32 val)
|
||
|
* \brief Swap littleendian unsigned 32 to platform's native byte order.
|
||
|
*
|
||
|
* Take a 32-bit unsigned value in littleendian format and convert it to
|
||
|
* the platform's native byte order.
|
||
|
*
|
||
|
* \param val value to convert
|
||
|
* \return converted value.
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_uint32 PHYSFS_swapULE32(PHYSFS_uint32 val);
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_sint64 PHYSFS_swapSLE64(PHYSFS_sint64 val)
|
||
|
* \brief Swap littleendian signed 64 to platform's native byte order.
|
||
|
*
|
||
|
* Take a 64-bit signed value in littleendian format and convert it to
|
||
|
* the platform's native byte order.
|
||
|
*
|
||
|
* \param val value to convert
|
||
|
* \return converted value.
|
||
|
*
|
||
|
* \warning Remember, PHYSFS_uint64 is only 32 bits on platforms without
|
||
|
* any sort of 64-bit support.
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_sint64 PHYSFS_swapSLE64(PHYSFS_sint64 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_uint64 PHYSFS_swapULE64(PHYSFS_uint64 val)
|
||
|
* \brief Swap littleendian unsigned 64 to platform's native byte order.
|
||
|
*
|
||
|
* Take a 64-bit unsigned value in littleendian format and convert it to
|
||
|
* the platform's native byte order.
|
||
|
*
|
||
|
* \param val value to convert
|
||
|
* \return converted value.
|
||
|
*
|
||
|
* \warning Remember, PHYSFS_uint64 is only 32 bits on platforms without
|
||
|
* any sort of 64-bit support.
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_uint64 PHYSFS_swapULE64(PHYSFS_uint64 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_sint16 PHYSFS_swapSBE16(PHYSFS_sint16 val)
|
||
|
* \brief Swap bigendian signed 16 to platform's native byte order.
|
||
|
*
|
||
|
* Take a 16-bit signed value in bigendian format and convert it to
|
||
|
* the platform's native byte order.
|
||
|
*
|
||
|
* \param val value to convert
|
||
|
* \return converted value.
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_sint16 PHYSFS_swapSBE16(PHYSFS_sint16 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_uint16 PHYSFS_swapUBE16(PHYSFS_uint16 val)
|
||
|
* \brief Swap bigendian unsigned 16 to platform's native byte order.
|
||
|
*
|
||
|
* Take a 16-bit unsigned value in bigendian format and convert it to
|
||
|
* the platform's native byte order.
|
||
|
*
|
||
|
* \param val value to convert
|
||
|
* \return converted value.
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_uint16 PHYSFS_swapUBE16(PHYSFS_uint16 val);
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_sint32 PHYSFS_swapSBE32(PHYSFS_sint32 val)
|
||
|
* \brief Swap bigendian signed 32 to platform's native byte order.
|
||
|
*
|
||
|
* Take a 32-bit signed value in bigendian format and convert it to
|
||
|
* the platform's native byte order.
|
||
|
*
|
||
|
* \param val value to convert
|
||
|
* \return converted value.
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_sint32 PHYSFS_swapSBE32(PHYSFS_sint32 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_uint32 PHYSFS_swapUBE32(PHYSFS_uint32 val)
|
||
|
* \brief Swap bigendian unsigned 32 to platform's native byte order.
|
||
|
*
|
||
|
* Take a 32-bit unsigned value in bigendian format and convert it to
|
||
|
* the platform's native byte order.
|
||
|
*
|
||
|
* \param val value to convert
|
||
|
* \return converted value.
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_uint32 PHYSFS_swapUBE32(PHYSFS_uint32 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_sint64 PHYSFS_swapSBE64(PHYSFS_sint64 val)
|
||
|
* \brief Swap bigendian signed 64 to platform's native byte order.
|
||
|
*
|
||
|
* Take a 64-bit signed value in bigendian format and convert it to
|
||
|
* the platform's native byte order.
|
||
|
*
|
||
|
* \param val value to convert
|
||
|
* \return converted value.
|
||
|
*
|
||
|
* \warning Remember, PHYSFS_uint64 is only 32 bits on platforms without
|
||
|
* any sort of 64-bit support.
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_sint64 PHYSFS_swapSBE64(PHYSFS_sint64 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_uint64 PHYSFS_swapUBE64(PHYSFS_uint64 val)
|
||
|
* \brief Swap bigendian unsigned 64 to platform's native byte order.
|
||
|
*
|
||
|
* Take a 64-bit unsigned value in bigendian format and convert it to
|
||
|
* the platform's native byte order.
|
||
|
*
|
||
|
* \param val value to convert
|
||
|
* \return converted value.
|
||
|
*
|
||
|
* \warning Remember, PHYSFS_uint64 is only 32 bits on platforms without
|
||
|
* any sort of 64-bit support.
|
||
|
*/
|
||
|
__EXPORT__ PHYSFS_uint64 PHYSFS_swapUBE64(PHYSFS_uint64 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_readSLE16(PHYSFS_File *file, PHYSFS_sint16 *val)
|
||
|
* \brief Read and convert a signed 16-bit littleendian value.
|
||
|
*
|
||
|
* Convenience function. Read a signed 16-bit littleendian value from a
|
||
|
* file and convert it to the platform's native byte order.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle from which to read.
|
||
|
* \param val pointer to where value should be stored.
|
||
|
* \return zero on failure, non-zero on success. If successful, (*val) will
|
||
|
* store the result. On failure, you can find out what went wrong
|
||
|
* from PHYSFS_getLastError().
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_readSLE16(PHYSFS_File *file, PHYSFS_sint16 *val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_readULE16(PHYSFS_File *file, PHYSFS_uint16 *val)
|
||
|
* \brief Read and convert an unsigned 16-bit littleendian value.
|
||
|
*
|
||
|
* Convenience function. Read an unsigned 16-bit littleendian value from a
|
||
|
* file and convert it to the platform's native byte order.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle from which to read.
|
||
|
* \param val pointer to where value should be stored.
|
||
|
* \return zero on failure, non-zero on success. If successful, (*val) will
|
||
|
* store the result. On failure, you can find out what went wrong
|
||
|
* from PHYSFS_getLastError().
|
||
|
*
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_readULE16(PHYSFS_File *file, PHYSFS_uint16 *val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_readSBE16(PHYSFS_File *file, PHYSFS_sint16 *val)
|
||
|
* \brief Read and convert a signed 16-bit bigendian value.
|
||
|
*
|
||
|
* Convenience function. Read a signed 16-bit bigendian value from a
|
||
|
* file and convert it to the platform's native byte order.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle from which to read.
|
||
|
* \param val pointer to where value should be stored.
|
||
|
* \return zero on failure, non-zero on success. If successful, (*val) will
|
||
|
* store the result. On failure, you can find out what went wrong
|
||
|
* from PHYSFS_getLastError().
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_readSBE16(PHYSFS_File *file, PHYSFS_sint16 *val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_readUBE16(PHYSFS_File *file, PHYSFS_uint16 *val)
|
||
|
* \brief Read and convert an unsigned 16-bit bigendian value.
|
||
|
*
|
||
|
* Convenience function. Read an unsigned 16-bit bigendian value from a
|
||
|
* file and convert it to the platform's native byte order.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle from which to read.
|
||
|
* \param val pointer to where value should be stored.
|
||
|
* \return zero on failure, non-zero on success. If successful, (*val) will
|
||
|
* store the result. On failure, you can find out what went wrong
|
||
|
* from PHYSFS_getLastError().
|
||
|
*
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_readUBE16(PHYSFS_File *file, PHYSFS_uint16 *val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_readSLE32(PHYSFS_File *file, PHYSFS_sint32 *val)
|
||
|
* \brief Read and convert a signed 32-bit littleendian value.
|
||
|
*
|
||
|
* Convenience function. Read a signed 32-bit littleendian value from a
|
||
|
* file and convert it to the platform's native byte order.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle from which to read.
|
||
|
* \param val pointer to where value should be stored.
|
||
|
* \return zero on failure, non-zero on success. If successful, (*val) will
|
||
|
* store the result. On failure, you can find out what went wrong
|
||
|
* from PHYSFS_getLastError().
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_readSLE32(PHYSFS_File *file, PHYSFS_sint32 *val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_readULE32(PHYSFS_File *file, PHYSFS_uint32 *val)
|
||
|
* \brief Read and convert an unsigned 32-bit littleendian value.
|
||
|
*
|
||
|
* Convenience function. Read an unsigned 32-bit littleendian value from a
|
||
|
* file and convert it to the platform's native byte order.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle from which to read.
|
||
|
* \param val pointer to where value should be stored.
|
||
|
* \return zero on failure, non-zero on success. If successful, (*val) will
|
||
|
* store the result. On failure, you can find out what went wrong
|
||
|
* from PHYSFS_getLastError().
|
||
|
*
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_readULE32(PHYSFS_File *file, PHYSFS_uint32 *val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_readSBE32(PHYSFS_File *file, PHYSFS_sint32 *val)
|
||
|
* \brief Read and convert a signed 32-bit bigendian value.
|
||
|
*
|
||
|
* Convenience function. Read a signed 32-bit bigendian value from a
|
||
|
* file and convert it to the platform's native byte order.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle from which to read.
|
||
|
* \param val pointer to where value should be stored.
|
||
|
* \return zero on failure, non-zero on success. If successful, (*val) will
|
||
|
* store the result. On failure, you can find out what went wrong
|
||
|
* from PHYSFS_getLastError().
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_readSBE32(PHYSFS_File *file, PHYSFS_sint32 *val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_readUBE32(PHYSFS_File *file, PHYSFS_uint32 *val)
|
||
|
* \brief Read and convert an unsigned 32-bit bigendian value.
|
||
|
*
|
||
|
* Convenience function. Read an unsigned 32-bit bigendian value from a
|
||
|
* file and convert it to the platform's native byte order.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle from which to read.
|
||
|
* \param val pointer to where value should be stored.
|
||
|
* \return zero on failure, non-zero on success. If successful, (*val) will
|
||
|
* store the result. On failure, you can find out what went wrong
|
||
|
* from PHYSFS_getLastError().
|
||
|
*
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_readUBE32(PHYSFS_File *file, PHYSFS_uint32 *val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_readSLE64(PHYSFS_File *file, PHYSFS_sint64 *val)
|
||
|
* \brief Read and convert a signed 64-bit littleendian value.
|
||
|
*
|
||
|
* Convenience function. Read a signed 64-bit littleendian value from a
|
||
|
* file and convert it to the platform's native byte order.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle from which to read.
|
||
|
* \param val pointer to where value should be stored.
|
||
|
* \return zero on failure, non-zero on success. If successful, (*val) will
|
||
|
* store the result. On failure, you can find out what went wrong
|
||
|
* from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \warning Remember, PHYSFS_sint64 is only 32 bits on platforms without
|
||
|
* any sort of 64-bit support.
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_readSLE64(PHYSFS_File *file, PHYSFS_sint64 *val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_readULE64(PHYSFS_File *file, PHYSFS_uint64 *val)
|
||
|
* \brief Read and convert an unsigned 64-bit littleendian value.
|
||
|
*
|
||
|
* Convenience function. Read an unsigned 64-bit littleendian value from a
|
||
|
* file and convert it to the platform's native byte order.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle from which to read.
|
||
|
* \param val pointer to where value should be stored.
|
||
|
* \return zero on failure, non-zero on success. If successful, (*val) will
|
||
|
* store the result. On failure, you can find out what went wrong
|
||
|
* from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \warning Remember, PHYSFS_uint64 is only 32 bits on platforms without
|
||
|
* any sort of 64-bit support.
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_readULE64(PHYSFS_File *file, PHYSFS_uint64 *val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_readSBE64(PHYSFS_File *file, PHYSFS_sint64 *val)
|
||
|
* \brief Read and convert a signed 64-bit bigendian value.
|
||
|
*
|
||
|
* Convenience function. Read a signed 64-bit bigendian value from a
|
||
|
* file and convert it to the platform's native byte order.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle from which to read.
|
||
|
* \param val pointer to where value should be stored.
|
||
|
* \return zero on failure, non-zero on success. If successful, (*val) will
|
||
|
* store the result. On failure, you can find out what went wrong
|
||
|
* from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \warning Remember, PHYSFS_sint64 is only 32 bits on platforms without
|
||
|
* any sort of 64-bit support.
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_readSBE64(PHYSFS_File *file, PHYSFS_sint64 *val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_readUBE64(PHYSFS_File *file, PHYSFS_uint64 *val)
|
||
|
* \brief Read and convert an unsigned 64-bit bigendian value.
|
||
|
*
|
||
|
* Convenience function. Read an unsigned 64-bit bigendian value from a
|
||
|
* file and convert it to the platform's native byte order.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle from which to read.
|
||
|
* \param val pointer to where value should be stored.
|
||
|
* \return zero on failure, non-zero on success. If successful, (*val) will
|
||
|
* store the result. On failure, you can find out what went wrong
|
||
|
* from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \warning Remember, PHYSFS_uint64 is only 32 bits on platforms without
|
||
|
* any sort of 64-bit support.
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_readUBE64(PHYSFS_File *file, PHYSFS_uint64 *val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_writeSLE16(PHYSFS_File *file, PHYSFS_sint16 val)
|
||
|
* \brief Convert and write a signed 16-bit littleendian value.
|
||
|
*
|
||
|
* Convenience function. Convert a signed 16-bit value from the platform's
|
||
|
* native byte order to littleendian and write it to a file.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle to which to write.
|
||
|
* \param val Value to convert and write.
|
||
|
* \return zero on failure, non-zero on success. On failure, you can
|
||
|
* find out what went wrong from PHYSFS_getLastError().
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_writeSLE16(PHYSFS_File *file, PHYSFS_sint16 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_writeULE16(PHYSFS_File *file, PHYSFS_uint16 val)
|
||
|
* \brief Convert and write an unsigned 16-bit littleendian value.
|
||
|
*
|
||
|
* Convenience function. Convert an unsigned 16-bit value from the platform's
|
||
|
* native byte order to littleendian and write it to a file.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle to which to write.
|
||
|
* \param val Value to convert and write.
|
||
|
* \return zero on failure, non-zero on success. On failure, you can
|
||
|
* find out what went wrong from PHYSFS_getLastError().
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_writeULE16(PHYSFS_File *file, PHYSFS_uint16 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_writeSBE16(PHYSFS_File *file, PHYSFS_sint16 val)
|
||
|
* \brief Convert and write a signed 16-bit bigendian value.
|
||
|
*
|
||
|
* Convenience function. Convert a signed 16-bit value from the platform's
|
||
|
* native byte order to bigendian and write it to a file.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle to which to write.
|
||
|
* \param val Value to convert and write.
|
||
|
* \return zero on failure, non-zero on success. On failure, you can
|
||
|
* find out what went wrong from PHYSFS_getLastError().
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_writeSBE16(PHYSFS_File *file, PHYSFS_sint16 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_writeUBE16(PHYSFS_File *file, PHYSFS_uint16 val)
|
||
|
* \brief Convert and write an unsigned 16-bit bigendian value.
|
||
|
*
|
||
|
* Convenience function. Convert an unsigned 16-bit value from the platform's
|
||
|
* native byte order to bigendian and write it to a file.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle to which to write.
|
||
|
* \param val Value to convert and write.
|
||
|
* \return zero on failure, non-zero on success. On failure, you can
|
||
|
* find out what went wrong from PHYSFS_getLastError().
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_writeUBE16(PHYSFS_File *file, PHYSFS_uint16 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_writeSLE32(PHYSFS_File *file, PHYSFS_sint32 val)
|
||
|
* \brief Convert and write a signed 32-bit littleendian value.
|
||
|
*
|
||
|
* Convenience function. Convert a signed 32-bit value from the platform's
|
||
|
* native byte order to littleendian and write it to a file.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle to which to write.
|
||
|
* \param val Value to convert and write.
|
||
|
* \return zero on failure, non-zero on success. On failure, you can
|
||
|
* find out what went wrong from PHYSFS_getLastError().
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_writeSLE32(PHYSFS_File *file, PHYSFS_sint32 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_writeULE32(PHYSFS_File *file, PHYSFS_uint32 val)
|
||
|
* \brief Convert and write an unsigned 32-bit littleendian value.
|
||
|
*
|
||
|
* Convenience function. Convert an unsigned 32-bit value from the platform's
|
||
|
* native byte order to littleendian and write it to a file.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle to which to write.
|
||
|
* \param val Value to convert and write.
|
||
|
* \return zero on failure, non-zero on success. On failure, you can
|
||
|
* find out what went wrong from PHYSFS_getLastError().
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_writeULE32(PHYSFS_File *file, PHYSFS_uint32 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_writeSBE32(PHYSFS_File *file, PHYSFS_sint32 val)
|
||
|
* \brief Convert and write a signed 32-bit bigendian value.
|
||
|
*
|
||
|
* Convenience function. Convert a signed 32-bit value from the platform's
|
||
|
* native byte order to bigendian and write it to a file.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle to which to write.
|
||
|
* \param val Value to convert and write.
|
||
|
* \return zero on failure, non-zero on success. On failure, you can
|
||
|
* find out what went wrong from PHYSFS_getLastError().
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_writeSBE32(PHYSFS_File *file, PHYSFS_sint32 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_writeUBE32(PHYSFS_File *file, PHYSFS_uint32 val)
|
||
|
* \brief Convert and write an unsigned 32-bit bigendian value.
|
||
|
*
|
||
|
* Convenience function. Convert an unsigned 32-bit value from the platform's
|
||
|
* native byte order to bigendian and write it to a file.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle to which to write.
|
||
|
* \param val Value to convert and write.
|
||
|
* \return zero on failure, non-zero on success. On failure, you can
|
||
|
* find out what went wrong from PHYSFS_getLastError().
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_writeUBE32(PHYSFS_File *file, PHYSFS_uint32 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_writeSLE64(PHYSFS_File *file, PHYSFS_sint64 val)
|
||
|
* \brief Convert and write a signed 64-bit littleendian value.
|
||
|
*
|
||
|
* Convenience function. Convert a signed 64-bit value from the platform's
|
||
|
* native byte order to littleendian and write it to a file.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle to which to write.
|
||
|
* \param val Value to convert and write.
|
||
|
* \return zero on failure, non-zero on success. On failure, you can
|
||
|
* find out what went wrong from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \warning Remember, PHYSFS_uint64 is only 32 bits on platforms without
|
||
|
* any sort of 64-bit support.
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_writeSLE64(PHYSFS_File *file, PHYSFS_sint64 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_writeULE64(PHYSFS_File *file, PHYSFS_uint64 val)
|
||
|
* \brief Convert and write an unsigned 64-bit littleendian value.
|
||
|
*
|
||
|
* Convenience function. Convert an unsigned 64-bit value from the platform's
|
||
|
* native byte order to littleendian and write it to a file.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle to which to write.
|
||
|
* \param val Value to convert and write.
|
||
|
* \return zero on failure, non-zero on success. On failure, you can
|
||
|
* find out what went wrong from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \warning Remember, PHYSFS_uint64 is only 32 bits on platforms without
|
||
|
* any sort of 64-bit support.
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_writeULE64(PHYSFS_File *file, PHYSFS_uint64 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_writeSBE64(PHYSFS_File *file, PHYSFS_sint64 val)
|
||
|
* \brief Convert and write a signed 64-bit bigending value.
|
||
|
*
|
||
|
* Convenience function. Convert a signed 64-bit value from the platform's
|
||
|
* native byte order to bigendian and write it to a file.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle to which to write.
|
||
|
* \param val Value to convert and write.
|
||
|
* \return zero on failure, non-zero on success. On failure, you can
|
||
|
* find out what went wrong from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \warning Remember, PHYSFS_uint64 is only 32 bits on platforms without
|
||
|
* any sort of 64-bit support.
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_writeSBE64(PHYSFS_File *file, PHYSFS_sint64 val);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_writeUBE64(PHYSFS_File *file, PHYSFS_uint64 val)
|
||
|
* \brief Convert and write an unsigned 64-bit bigendian value.
|
||
|
*
|
||
|
* Convenience function. Convert an unsigned 64-bit value from the platform's
|
||
|
* native byte order to bigendian and write it to a file.
|
||
|
*
|
||
|
* \param file PhysicsFS file handle to which to write.
|
||
|
* \param val Value to convert and write.
|
||
|
* \return zero on failure, non-zero on success. On failure, you can
|
||
|
* find out what went wrong from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \warning Remember, PHYSFS_uint64 is only 32 bits on platforms without
|
||
|
* any sort of 64-bit support.
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_writeUBE64(PHYSFS_File *file, PHYSFS_uint64 val);
|
||
|
|
||
|
|
||
|
/* Everything above this line is part of the PhysicsFS 1.0 API. */
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_isInit(void)
|
||
|
* \brief Determine if the PhysicsFS library is initialized.
|
||
|
*
|
||
|
* Once PHYSFS_init() returns successfully, this will return non-zero.
|
||
|
* Before a successful PHYSFS_init() and after PHYSFS_deinit() returns
|
||
|
* successfully, this will return zero. This function is safe to call at
|
||
|
* any time.
|
||
|
*
|
||
|
* \return non-zero if library is initialized, zero if library is not.
|
||
|
*
|
||
|
* \sa PHYSFS_init
|
||
|
* \sa PHYSFS_deinit
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_isInit(void);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_symbolicLinksPermitted(void)
|
||
|
* \brief Determine if the symbolic links are permitted.
|
||
|
*
|
||
|
* This reports the setting from the last call to PHYSFS_permitSymbolicLinks().
|
||
|
* If PHYSFS_permitSymbolicLinks() hasn't been called since the library was
|
||
|
* last initialized, symbolic links are implicitly disabled.
|
||
|
*
|
||
|
* \return non-zero if symlinks are permitted, zero if not.
|
||
|
*
|
||
|
* \sa PHYSFS_permitSymbolicLinks
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_symbolicLinksPermitted(void);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \struct PHYSFS_Allocator
|
||
|
* \brief PhysicsFS allocation function pointers.
|
||
|
*
|
||
|
* (This is for limited, hardcore use. If you don't immediately see a need
|
||
|
* for it, you can probably ignore this forever.)
|
||
|
*
|
||
|
* You create one of these structures for use with PHYSFS_setAllocator.
|
||
|
* Allocators are assumed to be reentrant by the caller; please mutex
|
||
|
* accordingly.
|
||
|
*
|
||
|
* Allocations are always discussed in 64-bits, for future expansion...we're
|
||
|
* on the cusp of a 64-bit transition, and we'll probably be allocating 6
|
||
|
* gigabytes like it's nothing sooner or later, and I don't want to change
|
||
|
* this again at that point. If you're on a 32-bit platform and have to
|
||
|
* downcast, it's okay to return NULL if the allocation is greater than
|
||
|
* 4 gigabytes, since you'd have to do so anyhow.
|
||
|
*
|
||
|
* \sa PHYSFS_setAllocator
|
||
|
*/
|
||
|
typedef struct PHYSFS_Allocator
|
||
|
{
|
||
|
int (*Init)(void); /**< Initialize. Can be NULL. Zero on failure. */
|
||
|
void (*Deinit)(void); /**< Deinitialize your allocator. Can be NULL. */
|
||
|
void *(*Malloc)(PHYSFS_uint64); /**< Allocate like malloc(). */
|
||
|
void *(*Realloc)(void *, PHYSFS_uint64); /**< Reallocate like realloc(). */
|
||
|
void (*Free)(void *); /**< Free memory from Malloc or Realloc. */
|
||
|
} PHYSFS_Allocator;
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_setAllocator(const PHYSFS_Allocator *allocator)
|
||
|
* \brief Hook your own allocation routines into PhysicsFS.
|
||
|
*
|
||
|
* (This is for limited, hardcore use. If you don't immediately see a need
|
||
|
* for it, you can probably ignore this forever.)
|
||
|
*
|
||
|
* By default, PhysicsFS will use whatever is reasonable for a platform
|
||
|
* to manage dynamic memory (usually ANSI C malloc/realloc/calloc/free, but
|
||
|
* some platforms might use something else), but in some uncommon cases, the
|
||
|
* app might want more control over the library's memory management. This
|
||
|
* lets you redirect PhysicsFS to use your own allocation routines instead.
|
||
|
* You can only call this function before PHYSFS_init(); if the library is
|
||
|
* initialized, it'll reject your efforts to change the allocator mid-stream.
|
||
|
* You may call this function after PHYSFS_deinit() if you are willing to
|
||
|
* shut down the library and restart it with a new allocator; this is a safe
|
||
|
* and supported operation. The allocator remains intact between deinit/init
|
||
|
* calls. If you want to return to the platform's default allocator, pass a
|
||
|
* NULL in here.
|
||
|
*
|
||
|
* If you aren't immediately sure what to do with this function, you can
|
||
|
* safely ignore it altogether.
|
||
|
*
|
||
|
* \param allocator Structure containing your allocator's entry points.
|
||
|
* \return zero on failure, non-zero on success. This call only fails
|
||
|
* when used between PHYSFS_init() and PHYSFS_deinit() calls.
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_setAllocator(const PHYSFS_Allocator *allocator);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_mount(const char *newDir, const char *mountPoint, int appendToPath)
|
||
|
* \brief Add an archive or directory to the search path.
|
||
|
*
|
||
|
* If this is a duplicate, the entry is not added again, even though the
|
||
|
* function succeeds. You may not add the same archive to two different
|
||
|
* mountpoints: duplicate checking is done against the archive and not the
|
||
|
* mountpoint.
|
||
|
*
|
||
|
* When you mount an archive, it is added to a virtual file system...all files
|
||
|
* in all of the archives are interpolated into a single hierachical file
|
||
|
* tree. Two archives mounted at the same place (or an archive with files
|
||
|
* overlapping another mountpoint) may have overlapping files: in such a case,
|
||
|
* the file earliest in the search path is selected, and the other files are
|
||
|
* inaccessible to the application. This allows archives to be used to
|
||
|
* override previous revisions; you can use the mounting mechanism to place
|
||
|
* archives at a specific point in the file tree and prevent overlap; this
|
||
|
* is useful for downloadable mods that might trample over application data
|
||
|
* or each other, for example.
|
||
|
*
|
||
|
* The mountpoint does not need to exist prior to mounting, which is different
|
||
|
* than those familiar with the Unix concept of "mounting" may not expect.
|
||
|
* As well, more than one archive can be mounted to the same mountpoint, or
|
||
|
* mountpoints and archive contents can overlap...the interpolation mechanism
|
||
|
* still functions as usual.
|
||
|
*
|
||
|
* \param newDir directory or archive to add to the path, in
|
||
|
* platform-dependent notation.
|
||
|
* \param mountPoint Location in the interpolated tree that this archive
|
||
|
* will be "mounted", in platform-independent notation.
|
||
|
* NULL or "" is equivalent to "/".
|
||
|
* \param appendToPath nonzero to append to search path, zero to prepend.
|
||
|
* \return nonzero if added to path, zero on failure (bogus archive, dir
|
||
|
* missing, etc). Specifics of the error can be
|
||
|
* gleaned from PHYSFS_getLastError().
|
||
|
*
|
||
|
* \sa PHYSFS_removeFromSearchPath
|
||
|
* \sa PHYSFS_getSearchPath
|
||
|
* \sa PHYSFS_getMountPoint
|
||
|
*/
|
||
|
__EXPORT__ int PHYSFS_mount(const char *newDir, const char *mountPoint, int appendToPath);
|
||
|
|
||
|
/**
|
||
|
* \fn int PHYSFS_getMountPoint(const char *dir)
|
||
|
* \brief Determine a mounted archive's mountpoint.
|
||
|
*
|
||
|
* You give this function the name of an archive or dir you successfully
|
||
|
* added to the search path, and it reports the location in the interpolated
|
||
|
* tree where it is mounted. Files mounted with a NULL mountpoint or through
|
||
|
* PHYSFS_addToSearchPath() will report "/". The return value is READ ONLY
|
||
|
* and valid until the archive is removed from the search path.
|
||
|
*
|
||
|
* \param dir directory or archive previously added to the path, in
|
||
|
* platform-dependent notation. This must match the string
|
||
|
* used when adding, even if your string would also reference
|
||
|
* the same file with a different string of characters.
|
||
|
* \return READ-ONLY string of mount point if added to path, NULL on failure
|
||
|
* (bogus archive, etc) Specifics of the error can be gleaned from
|
||
|
* PHYSFS_getLastError().
|
||
|
*
|
||
|
* \sa PHYSFS_removeFromSearchPath
|
||
|
* \sa PHYSFS_getSearchPath
|
||
|
* \sa PHYSFS_getMountPoint
|
||
|
*/
|
||
|
__EXPORT__ const char *PHYSFS_getMountPoint(const char *dir);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \typedef PHYSFS_StringCallback
|
||
|
* \brief Function signature for callbacks that report strings.
|
||
|
*
|
||
|
* These are used to report a list of strings to an original caller, one
|
||
|
* string per callback. All strings are UTF-8 encoded. Functions should not
|
||
|
* try to modify or free the string's memory.
|
||
|
*
|
||
|
* These callbacks are used, starting in PhysicsFS 1.1, as an alternative to
|
||
|
* functions that would return lists that need to be cleaned up with
|
||
|
* PHYSFS_freeList(). The callback means that the library doesn't need to
|
||
|
* allocate an entire list and all the strings up front.
|
||
|
*
|
||
|
* Be aware that promises data ordering in the list versions are not
|
||
|
* necessarily so in the callback versions. Check the documentation on
|
||
|
* specific APIs, but strings may not be sorted as you expect.
|
||
|
*
|
||
|
* \param data User-defined data pointer, passed through from the API
|
||
|
* that eventually called the callback.
|
||
|
* \param str The string data about which the callback is meant to inform.
|
||
|
*
|
||
|
* \sa PHYSFS_getCdRomDirsCallback
|
||
|
* \sa PHYSFS_getSearchPathCallback
|
||
|
*/
|
||
|
typedef void (*PHYSFS_StringCallback)(void *data, const char *str);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \typedef PHYSFS_EnumFilesCallback
|
||
|
* \brief Function signature for callbacks that enumerate files.
|
||
|
*
|
||
|
* These are used to report a list of directory entries to an original caller,
|
||
|
* one file/dir/symlink per callback. All strings are UTF-8 encoded.
|
||
|
* Functions should not try to modify or free any string's memory.
|
||
|
*
|
||
|
* These callbacks are used, starting in PhysicsFS 1.1, as an alternative to
|
||
|
* functions that would return lists that need to be cleaned up with
|
||
|
* PHYSFS_freeList(). The callback means that the library doesn't need to
|
||
|
* allocate an entire list and all the strings up front.
|
||
|
*
|
||
|
* Be aware that promises data ordering in the list versions are not
|
||
|
* necessarily so in the callback versions. Check the documentation on
|
||
|
* specific APIs, but strings may not be sorted as you expect.
|
||
|
*
|
||
|
* \param data User-defined data pointer, passed through from the API
|
||
|
* that eventually called the callback.
|
||
|
* \param origdir A string containing the full path, in platform-independent
|
||
|
* notation, of the directory containing this file. In most
|
||
|
* cases, this is the directory on which you requested
|
||
|
* enumeration, passed in the callback for your convenience.
|
||
|
* \param fname The filename that is being enumerated. It may not be in
|
||
|
* alphabetical order compared to other callbacks that have
|
||
|
* fired, and it will not contain the full path. You can
|
||
|
* recreate the fullpath with $origdir/$fname ... The file
|
||
|
* can be a subdirectory, a file, a symlink, etc.
|
||
|
*
|
||
|
* \sa PHYSFS_enumerateFilesCallback
|
||
|
*/
|
||
|
typedef void (*PHYSFS_EnumFilesCallback)(void *data, const char *origdir,
|
||
|
const char *fname);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn void PHYSFS_getCdRomDirsCallback(PHYSFS_StringCallback c, void *d)
|
||
|
* \brief Enumerate CD-ROM directories, using an application-defined callback.
|
||
|
*
|
||
|
* Internally, PHYSFS_getCdRomDirs() just calls this function and then builds
|
||
|
* a list before returning to the application, so functionality is identical
|
||
|
* except for how the information is represented to the application.
|
||
|
*
|
||
|
* Unlike PHYSFS_getCdRomDirs(), this function does not return an array.
|
||
|
* Rather, it calls a function specified by the application once per
|
||
|
* detected disc:
|
||
|
*
|
||
|
* \code
|
||
|
*
|
||
|
* static void foundDisc(void *data, const char *cddir)
|
||
|
* {
|
||
|
* printf("cdrom dir [%s] is available.\n", cddir);
|
||
|
* }
|
||
|
*
|
||
|
* // ...
|
||
|
* PHYSFS_getCdRomDirsCallback(foundDisc, NULL);
|
||
|
* \endcode
|
||
|
*
|
||
|
* This call may block while drives spin up. Be forewarned.
|
||
|
*
|
||
|
* \param c Callback function to notify about detected drives.
|
||
|
* \param d Application-defined data passed to callback. Can be NULL.
|
||
|
*
|
||
|
* \sa PHYSFS_StringCallback
|
||
|
* \sa PHYSFS_getCdRomDirs
|
||
|
*/
|
||
|
__EXPORT__ void PHYSFS_getCdRomDirsCallback(PHYSFS_StringCallback c, void *d);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn void PHYSFS_getSearchPathCallback(PHYSFS_StringCallback c, void *d)
|
||
|
* \brief Enumerate the search path, using an application-defined callback.
|
||
|
*
|
||
|
* Internally, PHYSFS_getSearchPath() just calls this function and then builds
|
||
|
* a list before returning to the application, so functionality is identical
|
||
|
* except for how the information is represented to the application.
|
||
|
*
|
||
|
* Unlike PHYSFS_getSearchPath(), this function does not return an array.
|
||
|
* Rather, it calls a function specified by the application once per
|
||
|
* element of the search path:
|
||
|
*
|
||
|
* \code
|
||
|
*
|
||
|
* static void printSearchPath(void *data, const char *pathItem)
|
||
|
* {
|
||
|
* printf("[%s] is in the search path.\n", pathItem);
|
||
|
* }
|
||
|
*
|
||
|
* // ...
|
||
|
* PHYSFS_getSearchPathCallback(printSearchPath, NULL);
|
||
|
* \endcode
|
||
|
*
|
||
|
* Elements of the search path are reported in order search priority, so the
|
||
|
* first archive/dir that would be examined when looking for a file is the
|
||
|
* first element passed through the callback.
|
||
|
*
|
||
|
* \param c Callback function to notify about search path elements.
|
||
|
* \param d Application-defined data passed to callback. Can be NULL.
|
||
|
*
|
||
|
* \sa PHYSFS_StringCallback
|
||
|
* \sa PHYSFS_getSearchPath
|
||
|
*/
|
||
|
__EXPORT__ void PHYSFS_getSearchPathCallback(PHYSFS_StringCallback c, void *d);
|
||
|
|
||
|
|
||
|
/**
|
||
|
* \fn void PHYSFS_enumerateFilesCallback(const char *dir, PHYSFS_EnumFilesCallback c, void *d)
|
||
|
* \brief Get a file listing of a search path's directory, using an application-defined callback.
|
||
|
*
|
||
|
* Internally, PHYSFS_enumerateFiles() just calls this function and then builds
|
||
|
* a list before returning to the application, so functionality is identical
|
||
|
* except for how the information is represented to the application.
|
||
|
*
|
||
|
* Unlike PHYSFS_enumerateFiles(), this function does not return an array.
|
||
|
* Rather, it calls a function specified by the application once per
|
||
|
* element of the search path:
|
||
|
*
|
||
|
* \code
|
||
|
*
|
||
|
* static void printDir(void *data, const char *origdir, const char *fname)
|
||
|
* {
|
||
|
* printf(" * We've got [%s] in [%s].\n", fname, origdir);
|
||
|
* }
|
||
|
*
|
||
|
* // ...
|
||
|
* PHYSFS_enumerateFilesCallback("/some/path", printDir, NULL);
|
||
|
* \endcode
|
||
|
*
|
||
|
* Items sent to the callback are not guaranteed to be in any order whatsoever.
|
||
|
* There is no sorting done at this level, and if you need that, you should
|
||
|
* probably use PHYSFS_enumerateFiles() instead, which guarantees
|
||
|
* alphabetical sorting. This form reports whatever is discovered in each
|
||
|
* archive before moving on to the next. Even within one archive, we can't
|
||
|
* guarantee what order it will discover data. <em>Any sorting you find in
|
||
|
* these callbacks is just pure luck. Do not rely on it.</em>
|
||
|
*
|
||
|
* \param dir Directory, in platform-independent notation, to enumerate.
|
||
|
* \param c Callback function to notify about search path elements.
|
||
|
* \param d Application-defined data passed to callback. Can be NULL.
|
||
|
*
|
||
|
* \sa PHYSFS_EnumFilesCallback
|
||
|
* \sa PHYSFS_enumerateFiles
|
||
|
*/
|
||
|
__EXPORT__ void PHYSFS_enumerateFilesCallback(const char *dir,
|
||
|
PHYSFS_EnumFilesCallback c,
|
||
|
void *d);
|
||
|
|
||
|
/**
|
||
|
* \fn void PHYSFS_utf8FromUcs4(const PHYSFS_uint32 *src, char *dst, PHYSFS_uint64 len)
|
||
|
* \brief Convert a UCS-4 string to a UTF-8 string.
|
||
|
*
|
||
|
* UCS-4 strings are 32-bits per character: \c wchar_t on Unix.
|
||
|
*
|
||
|
* To ensure that the destination buffer is large enough for the conversion,
|
||
|
* please allocate a buffer that is the same size as the source buffer. UTF-8
|
||
|
* never uses more than 32-bits per character, so while it may shrink a UCS-4
|
||
|
* string, it will never expand it.
|
||
|
*
|
||
|
* Strings that don't fit in the destination buffer will be truncated, but
|
||
|
* will always be null-terminated and never have an incomplete UTF-8
|
||
|
* sequence at the end.
|
||
|
*
|
||
|
* \param src Null-terminated source string in UCS-4 format.
|
||
|
* \param dst Buffer to store converted UTF-8 string.
|
||
|
* \param len Size, in bytes, of destination buffer.
|
||
|
*/
|
||
|
__EXPORT__ void PHYSFS_utf8FromUcs4(const PHYSFS_uint32 *src, char *dst,
|
||
|
PHYSFS_uint64 len);
|
||
|
|
||
|
/**
|
||
|
* \fn void PHYSFS_utf8ToUcs4(const char *src, PHYSFS_uint32 *dst, PHYSFS_uint64 len)
|
||
|
* \brief Convert a UTF-8 string to a UCS-4 string.
|
||
|
*
|
||
|
* UCS-4 strings are 32-bits per character: \c wchar_t on Unix.
|
||
|
*
|
||
|
* To ensure that the destination buffer is large enough for the conversion,
|
||
|
* please allocate a buffer that is four times the size of the source buffer.
|
||
|
* UTF-8 uses from one to four bytes per character, but UCS-4 always uses
|
||
|
* four, so an entirely low-ASCII string will quadruple in size!
|
||
|
*
|
||
|
* Strings that don't fit in the destination buffer will be truncated, but
|
||
|
* will always be null-terminated and never have an incomplete UCS-4
|
||
|
* sequence at the end.
|
||
|
*
|
||
|
* \param src Null-terminated source string in UTF-8 format.
|
||
|
* \param dst Buffer to store converted UCS-4 string.
|
||
|
* \param len Size, in bytes, of destination buffer.
|
||
|
*/
|
||
|
__EXPORT__ void PHYSFS_utf8ToUcs4(const char *src, PHYSFS_uint32 *dst,
|
||
|
PHYSFS_uint64 len);
|
||
|
|
||
|
/**
|
||
|
* \fn void PHYSFS_utf8FromUcs2(const PHYSFS_uint16 *src, char *dst, PHYSFS_uint64 len)
|
||
|
* \brief Convert a UCS-2 string to a UTF-8 string.
|
||
|
*
|
||
|
* UCS-2 strings are 16-bits per character: \c TCHAR on Windows, when building
|
||
|
* with Unicode support.
|
||
|
*
|
||
|
* To ensure that the destination buffer is large enough for the conversion,
|
||
|
* please allocate a buffer that is double the size of the source buffer.
|
||
|
* UTF-8 never uses more than 32-bits per character, so while it may shrink
|
||
|
* a UCS-2 string, it may also expand it.
|
||
|
*
|
||
|
* Strings that don't fit in the destination buffer will be truncated, but
|
||
|
* will always be null-terminated and never have an incomplete UTF-8
|
||
|
* sequence at the end.
|
||
|
*
|
||
|
* Please note that UCS-2 is not UTF-16; we do not support the "surrogate"
|
||
|
* values at this time.
|
||
|
*
|
||
|
* \param src Null-terminated source string in UCS-2 format.
|
||
|
* \param dst Buffer to store converted UTF-8 string.
|
||
|
* \param len Size, in bytes, of destination buffer.
|
||
|
*/
|
||
|
__EXPORT__ void PHYSFS_utf8FromUcs2(const PHYSFS_uint16 *src, char *dst,
|
||
|
PHYSFS_uint64 len);
|
||
|
|
||
|
/**
|
||
|
* \fn PHYSFS_utf8ToUcs2(const char *src, PHYSFS_uint16 *dst, PHYSFS_uint64 len)
|
||
|
* \brief Convert a UTF-8 string to a UCS-2 string.
|
||
|
*
|
||
|
* UCS-2 strings are 16-bits per character: \c TCHAR on Windows, when building
|
||
|
* with Unicode support.
|
||
|
*
|
||
|
* To ensure that the destination buffer is large enough for the conversion,
|
||
|
* please allocate a buffer that is double the size of the source buffer.
|
||
|
* UTF-8 uses from one to four bytes per character, but UCS-2 always uses
|
||
|
* two, so an entirely low-ASCII string will double in size!
|
||
|
*
|
||
|
* Strings that don't fit in the destination buffer will be truncated, but
|
||
|
* will always be null-terminated and never have an incomplete UCS-2
|
||
|
* sequence at the end.
|
||
|
*
|
||
|
* Please note that UCS-2 is not UTF-16; we do not support the "surrogate"
|
||
|
* values at this time.
|
||
|
*
|
||
|
* \param src Null-terminated source string in UTF-8 format.
|
||
|
* \param dst Buffer to store converted UCS-2 string.
|
||
|
* \param len Size, in bytes, of destination buffer.
|
||
|
*/
|
||
|
__EXPORT__ void PHYSFS_utf8ToUcs2(const char *src, PHYSFS_uint16 *dst,
|
||
|
PHYSFS_uint64 len);
|
||
|
|
||
|
/**
|
||
|
* \fn void PHYSFS_utf8FromLatin1(const char *src, char *dst, PHYSFS_uint64 len)
|
||
|
* \brief Convert a UTF-8 string to a Latin1 string.
|
||
|
*
|
||
|
* Latin1 strings are 8-bits per character: a popular "high ASCII"
|
||
|
* encoding.
|
||
|
*
|
||
|
* To ensure that the destination buffer is large enough for the conversion,
|
||
|
* please allocate a buffer that is double the size of the source buffer.
|
||
|
* UTF-8 expands latin1 codepoints over 127 from 1 to 2 bytes, so the string
|
||
|
* may grow in some cases.
|
||
|
*
|
||
|
* Strings that don't fit in the destination buffer will be truncated, but
|
||
|
* will always be null-terminated and never have an incomplete UTF-8
|
||
|
* sequence at the end.
|
||
|
*
|
||
|
* Please note that we do not supply a UTF-8 to Latin1 converter, since Latin1
|
||
|
* can't express most Unicode codepoints. It's a legacy encoding; you should
|
||
|
* be converting away from it at all times.
|
||
|
*
|
||
|
* \param src Null-terminated source string in Latin1 format.
|
||
|
* \param dst Buffer to store converted UTF-8 string.
|
||
|
* \param len Size, in bytes, of destination buffer.
|
||
|
*/
|
||
|
__EXPORT__ void PHYSFS_utf8FromLatin1(const char *src, char *dst,
|
||
|
PHYSFS_uint64 len);
|
||
|
|
||
|
/* Everything above this line is part of the PhysicsFS 2.0 API. */
|
||
|
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
#endif /* !defined _INCLUDE_PHYSFS_H_ */
|
||
|
|
||
|
/* end of physfs.h ... */
|
||
|
|