fteqw/engine/common/fs.h

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#include "hash.h"
extern hashtable_t filesystemhash; //this table is the one to build your hash references into
extern int fs_hash_dups; //for tracking efficiency. no functional use.
extern int fs_hash_files; //for tracking efficiency. no functional use.
typedef struct {
void (*PrintPath)(void *handle);
void (*ClosePath)(void *handle);
void (*BuildHash)(void *handle);
qboolean (*FindFile)(void *handle, flocation_t *loc, const char *name, void *hashedresult); //true if found (hashedresult can be NULL)
//note that if rawfile and offset are set, many Com_FileOpens will read the raw file
//otherwise ReadFile will be called instead.
void (*ReadFile)(void *handle, flocation_t *loc, char *buffer); //reads the entire file in one go (size comes from loc, so make sure the loc is valid, this is for performance with compressed archives)
int (*EnumerateFiles)(void *handle, const char *match, int (*func)(const char *, int, void *), void *parm);
void *(*OpenNew)(vfsfile_t *file, const char *desc); //returns a handle to a new pak/path
int (*GeneratePureCRC) (void *handle, int seed, int usepure);
vfsfile_t *(*OpenVFS)(void *handle, flocation_t *loc, const char *mode);
} searchpathfuncs_t;
//the stdio filesystem is special as that's the starting point of the entire filesystem
//warning: the handle is known to be a string pointer to the dir name
extern searchpathfuncs_t osfilefuncs;
vfsfile_t *VFSOS_Open(const char *osname, const char *mode);
vfsfile_t *FS_DecompressGZip(vfsfile_t *infile);
int FS_RegisterFileSystemType(const char *extension, searchpathfuncs_t *funcs);
void FS_UnRegisterFileSystemType(int idx);