/*
DarkPlaces file system
- Copyright (C) 2003 Mathieu Olivier
+ Copyright (C) 2003-2005 Mathieu Olivier
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
typedef struct qfile_s qfile_t;
+#ifdef WIN32
+//typedef long fs_offset_t; // 32bit
+typedef __int64 fs_offset_t; ///< 64bit (lots of warnings, and read/write still don't take 64bit on win64)
+#else
+typedef long long fs_offset_t;
+#endif
+
+
// ------ Variables ------ //
extern char fs_gamedir [MAX_OSPATH];
extern char fs_basedir [MAX_OSPATH];
+extern char fs_userdir [MAX_OSPATH];
-extern int fs_filesize; // set by FS_Open (in "read" mode) and FS_LoadFile
+// list of active game directories (empty if not running a mod)
+#define MAX_GAMEDIRS 16
+extern int fs_numgamedirs;
+extern char fs_gamedirs[MAX_GAMEDIRS][MAX_QPATH];
// ------ Main functions ------ //
// IMPORTANT: the file path is automatically prefixed by the current game directory for
-// each file created by FS_WriteFile, or opened in "write" or "append" mode by FS_Open
-
-qfile_t *FS_Open (const char* filepath, const char* mode, qboolean quiet);
+// each file created by FS_WriteFile, or opened in "write" or "append" mode by FS_OpenRealFile
+
+qboolean FS_AddPack(const char *pakfile, qboolean *already_loaded, qboolean keep_plain_dirs); // already_loaded may be NULL if caller does not care
+const char *FS_WhichPack(const char *filename);
+void FS_CreatePath (char *path);
+int FS_SysOpenFD(const char *filepath, const char *mode, qboolean nonblocking); // uses absolute path
+qfile_t* FS_SysOpen (const char* filepath, const char* mode, qboolean nonblocking); // uses absolute path
+qfile_t* FS_OpenRealFile (const char* filepath, const char* mode, qboolean quiet);
+qfile_t* FS_OpenVirtualFile (const char* filepath, qboolean quiet);
+qfile_t* FS_FileFromData (const unsigned char *data, const size_t size, qboolean quiet);
int FS_Close (qfile_t* file);
-size_t FS_Write (qfile_t* file, const void* data, size_t datasize);
-size_t FS_Read (qfile_t* file, void* buffer, size_t buffersize);
-int FS_Flush (qfile_t* file);
+void FS_RemoveOnClose(qfile_t* file);
+fs_offset_t FS_Write (qfile_t* file, const void* data, size_t datasize);
+fs_offset_t FS_Read (qfile_t* file, void* buffer, size_t buffersize);
int FS_Print(qfile_t* file, const char *msg);
-int FS_Printf(qfile_t* file, const char* format, ...);
+int FS_Printf(qfile_t* file, const char* format, ...) DP_FUNC_PRINTF(2);
+int FS_VPrintf(qfile_t* file, const char* format, va_list ap);
int FS_Getc (qfile_t* file);
-int FS_Seek (qfile_t* file, long offset, int whence);
-long FS_Tell (qfile_t* file);
-char *FS_Gets (qfile_t* file, char* buffer, int buffersize);
-char *FS_Getline (qfile_t *file); // DO NOT FREE the returned buffer
-int FS_Eof (qfile_t* file);
+int FS_UnGetc (qfile_t* file, unsigned char c);
+int FS_Seek (qfile_t* file, fs_offset_t offset, int whence);
+fs_offset_t FS_Tell (qfile_t* file);
+fs_offset_t FS_FileSize (qfile_t* file);
+void FS_Purge (qfile_t* file);
+const char *FS_FileWithoutPath (const char *in);
+const char *FS_FileExtension (const char *in);
+int FS_CheckNastyPath (const char *path, qboolean isgamedir);
+
+extern const char *const fs_checkgamedir_missing; // "(missing)"
+const char *FS_CheckGameDir(const char *gamedir); // returns NULL if nasty, fs_checkgamedir_missing (exact pointer) if missing
+
+typedef struct
+{
+ char name[MAX_OSPATH];
+ char description[8192];
+}
+gamedir_t;
+extern gamedir_t *fs_all_gamedirs; // terminated by entry with empty name
+extern int fs_all_gamedirs_count;
+
+qboolean FS_ChangeGameDirs(int numgamedirs, char gamedirs[][MAX_QPATH], qboolean complain, qboolean failmissing);
+qboolean FS_IsRegisteredQuakePack(const char *name);
+int FS_CRCFile(const char *filename, size_t *filesizepointer);
+void FS_Rescan(void);
typedef struct fssearch_s
{
fssearch_t *FS_Search(const char *pattern, int caseinsensitive, int quiet);
void FS_FreeSearch(fssearch_t *search);
-qbyte *FS_LoadFile (const char *path, mempool_t *pool, qboolean quiet);
-qboolean FS_WriteFile (const char *filename, void *data, int len);
+unsigned char *FS_LoadFile (const char *path, mempool_t *pool, qboolean quiet, fs_offset_t *filesizepointer);
+unsigned char *FS_SysLoadFile (const char *path, mempool_t *pool, qboolean quiet, fs_offset_t *filesizepointer);
+qboolean FS_WriteFileInBlocks (const char *filename, const void *const *data, const fs_offset_t *len, size_t count);
+qboolean FS_WriteFile (const char *filename, const void *data, fs_offset_t len);
// ------ Other functions ------ //
void FS_StripExtension (const char *in, char *out, size_t size_out);
void FS_DefaultExtension (char *path, const char *extension, size_t size_path);
+#define FS_FILETYPE_NONE 0
+#define FS_FILETYPE_FILE 1
+#define FS_FILETYPE_DIRECTORY 2
+int FS_FileType (const char *filename); // the file can be into a package
+int FS_SysFileType (const char *filename); // only look for files outside of packages
+
qboolean FS_FileExists (const char *filename); // the file can be into a package
qboolean FS_SysFileExists (const char *filename); // only look for files outside of packages
-void FS_mkdir (const char *path);
+unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
+unsigned char *FS_Inflate(const unsigned char *data, size_t size, size_t *inflated_size, mempool_t *mempool);
+
+qboolean FS_HasZlib(void);
+void FS_Init_SelfPack(void);
+void FS_Init(void);
+void FS_Shutdown(void);
+void FS_Init_Commands(void);
#endif