344 lines
8.8 KiB
C
344 lines
8.8 KiB
C
#include "quakedef.h"
|
|
#include "fs.h"
|
|
#include "errno.h"
|
|
|
|
#ifndef NACL
|
|
|
|
#ifdef WEBSVONLY
|
|
#define Z_Free free
|
|
#define Z_Malloc malloc
|
|
#else
|
|
#if !defined(_WIN32) || defined(_SDL)
|
|
#define FSSTDIO_OpenPath VFSOS_OpenPath
|
|
#endif
|
|
#define FSSTDIO_OpenTemp FS_OpenTemp
|
|
#endif
|
|
|
|
typedef struct {
|
|
searchpathfuncs_t pub;
|
|
int depth;
|
|
void (QDECL *AddFileHash)(int depth, const char *fname, fsbucket_t *filehandle, void *pathhandle);
|
|
char rootpath[1];
|
|
} stdiopath_t;
|
|
typedef struct {
|
|
vfsfile_t funcs;
|
|
FILE *handle;
|
|
} vfsstdiofile_t;
|
|
static int QDECL VFSSTDIO_ReadBytes (struct vfsfile_s *file, void *buffer, int bytestoread)
|
|
{
|
|
vfsstdiofile_t *intfile = (vfsstdiofile_t*)file;
|
|
return fread(buffer, 1, bytestoread, intfile->handle);
|
|
}
|
|
static int QDECL VFSSTDIO_WriteBytes (struct vfsfile_s *file, const void *buffer, int bytestoread)
|
|
{
|
|
vfsstdiofile_t *intfile = (vfsstdiofile_t*)file;
|
|
return fwrite(buffer, 1, bytestoread, intfile->handle);
|
|
}
|
|
static qboolean QDECL VFSSTDIO_Seek (struct vfsfile_s *file, unsigned long pos)
|
|
{
|
|
vfsstdiofile_t *intfile = (vfsstdiofile_t*)file;
|
|
return fseek(intfile->handle, pos, SEEK_SET) == 0;
|
|
}
|
|
static unsigned long QDECL VFSSTDIO_Tell (struct vfsfile_s *file)
|
|
{
|
|
vfsstdiofile_t *intfile = (vfsstdiofile_t*)file;
|
|
return ftell(intfile->handle);
|
|
}
|
|
static void QDECL VFSSTDIO_Flush(struct vfsfile_s *file)
|
|
{
|
|
vfsstdiofile_t *intfile = (vfsstdiofile_t*)file;
|
|
fflush(intfile->handle);
|
|
}
|
|
static unsigned long QDECL VFSSTDIO_GetSize (struct vfsfile_s *file)
|
|
{
|
|
vfsstdiofile_t *intfile = (vfsstdiofile_t*)file;
|
|
|
|
unsigned int curpos;
|
|
unsigned int maxlen;
|
|
curpos = ftell(intfile->handle);
|
|
fseek(intfile->handle, 0, SEEK_END);
|
|
maxlen = ftell(intfile->handle);
|
|
fseek(intfile->handle, curpos, SEEK_SET);
|
|
|
|
return maxlen;
|
|
}
|
|
static void QDECL VFSSTDIO_Close(vfsfile_t *file)
|
|
{
|
|
vfsstdiofile_t *intfile = (vfsstdiofile_t*)file;
|
|
fclose(intfile->handle);
|
|
Z_Free(file);
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
static void QDECL VFSSTDIO_CloseTemp(vfsfile_t *file)
|
|
{
|
|
vfsstdiofile_t *intfile = (vfsstdiofile_t*)file;
|
|
char *fname = (char*)(intfile+1);
|
|
fclose(intfile->handle);
|
|
_unlink(fname);
|
|
Z_Free(file);
|
|
}
|
|
#endif
|
|
|
|
vfsfile_t *FSSTDIO_OpenTemp(void)
|
|
{
|
|
FILE *f;
|
|
vfsstdiofile_t *file;
|
|
|
|
#ifdef _WIN32
|
|
/*warning: annother app might manage to open the file before we can. if the file is not opened exclusively then we can end up with issues
|
|
on windows, fopen is typically exclusive anyway, but not on unix. but on unix, tmpfile is actually usable, so special-case the windows code*/
|
|
char *fname = _tempnam(NULL, "ftemp");
|
|
f = fopen(fname, "w+b");
|
|
if (!f)
|
|
return NULL;
|
|
|
|
file = Z_Malloc(sizeof(vfsstdiofile_t) + strlen(fname)+1);
|
|
file->funcs.Close = VFSSTDIO_CloseTemp;
|
|
strcpy((char*)(file+1), fname);
|
|
free(fname);
|
|
#else
|
|
f = tmpfile();
|
|
if (!f)
|
|
return NULL;
|
|
|
|
file = Z_Malloc(sizeof(vfsstdiofile_t));
|
|
file->funcs.Close = VFSSTDIO_Close;
|
|
#endif
|
|
#ifdef _DEBUG
|
|
Q_strncpyz(file->funcs.dbgname, "FSSTDIO_OpenTemp", sizeof(file->funcs.dbgname));
|
|
#endif
|
|
file->funcs.ReadBytes = VFSSTDIO_ReadBytes;
|
|
file->funcs.WriteBytes = VFSSTDIO_WriteBytes;
|
|
file->funcs.Seek = VFSSTDIO_Seek;
|
|
file->funcs.Tell = VFSSTDIO_Tell;
|
|
file->funcs.GetLen = VFSSTDIO_GetSize;
|
|
file->funcs.Flush = VFSSTDIO_Flush;
|
|
file->handle = f;
|
|
|
|
return (vfsfile_t*)file;
|
|
}
|
|
|
|
#if 0//def ANDROID
|
|
vfsfile_t *Sys_OpenAsset(const char *fname);
|
|
#endif
|
|
|
|
vfsfile_t *VFSSTDIO_Open(const char *osname, const char *mode, qboolean *needsflush)
|
|
{
|
|
FILE *f;
|
|
vfsstdiofile_t *file;
|
|
qboolean read = !!strchr(mode, 'r');
|
|
qboolean write = !!strchr(mode, 'w');
|
|
qboolean append = !!strchr(mode, 'a');
|
|
qboolean text = !!strchr(mode, 't');
|
|
char newmode[3];
|
|
int modec = 0;
|
|
|
|
if (needsflush)
|
|
*needsflush = false;
|
|
|
|
#if 0//def ANDROID
|
|
// if (!strncmp("asset/", osname, 6))
|
|
{
|
|
if (append || write)
|
|
return NULL;
|
|
return Sys_OpenAsset(osname);
|
|
}
|
|
#endif
|
|
|
|
if (read)
|
|
newmode[modec++] = 'r';
|
|
if (write)
|
|
newmode[modec++] = 'w';
|
|
if (append)
|
|
newmode[modec++] = 'a';
|
|
if (text)
|
|
newmode[modec++] = 't';
|
|
else
|
|
newmode[modec++] = 'b';
|
|
newmode[modec++] = '\0';
|
|
|
|
f = fopen(osname, newmode);
|
|
if (!f)
|
|
return NULL;
|
|
|
|
if (write || append)
|
|
{
|
|
if (needsflush)
|
|
*needsflush = true;
|
|
}
|
|
|
|
file = Z_Malloc(sizeof(vfsstdiofile_t));
|
|
#ifdef _DEBUG
|
|
Q_strncpyz(file->funcs.dbgname, osname, sizeof(file->funcs.dbgname));
|
|
#endif
|
|
file->funcs.ReadBytes = strchr(mode, 'r')?VFSSTDIO_ReadBytes:NULL;
|
|
file->funcs.WriteBytes = (strchr(mode, 'w')||strchr(mode, 'a'))?VFSSTDIO_WriteBytes:NULL;
|
|
file->funcs.Seek = VFSSTDIO_Seek;
|
|
file->funcs.Tell = VFSSTDIO_Tell;
|
|
file->funcs.GetLen = VFSSTDIO_GetSize;
|
|
file->funcs.Close = VFSSTDIO_Close;
|
|
file->funcs.Flush = VFSSTDIO_Flush;
|
|
file->handle = f;
|
|
|
|
return (vfsfile_t*)file;
|
|
}
|
|
|
|
#if !defined(_WIN32) || defined(_SDL)
|
|
vfsfile_t *VFSOS_Open(const char *osname, const char *mode)
|
|
{
|
|
vfsfile_t *f;
|
|
qboolean needsflush;
|
|
f = VFSSTDIO_Open(osname, mode, &needsflush);
|
|
if (needsflush)
|
|
FS_FlushFSHashReally();
|
|
return f;
|
|
}
|
|
#endif
|
|
|
|
#ifndef WEBSVONLY
|
|
static vfsfile_t *QDECL FSSTDIO_OpenVFS(void *handle, flocation_t *loc, const char *mode)
|
|
{
|
|
vfsfile_t *f;
|
|
stdiopath_t *sp = handle;
|
|
char diskname[MAX_OSPATH];
|
|
qboolean needsflush;
|
|
|
|
f = VFSSTDIO_Open(loc->rawname, mode, &needsflush);
|
|
if (needsflush && sp->AddFileHash)
|
|
sp->AddFileHash(sp->depth, loc->rawname, NULL, sp);
|
|
return f;
|
|
}
|
|
|
|
static void QDECL FSSTDIO_ClosePath(void *handle)
|
|
{
|
|
Z_Free(handle);
|
|
}
|
|
static qboolean QDECL FSSTDIO_PollChanges(void *handle)
|
|
{
|
|
// stdiopath_t *np = handle;
|
|
return true; //can't verify that or not, so we have to assume the worst
|
|
}
|
|
static int QDECL FSSTDIO_RebuildFSHash(const char *filename, int filesize, void *data, void *spath)
|
|
{
|
|
stdiopath_t *sp = spath;
|
|
void (QDECL *AddFileHash)(int depth, const char *fname, fsbucket_t *filehandle, void *pathhandle) = data;
|
|
if (filename[strlen(filename)-1] == '/')
|
|
{ //this is actually a directory
|
|
|
|
char childpath[256];
|
|
Q_snprintfz(childpath, sizeof(childpath), "%s*", filename);
|
|
Sys_EnumerateFiles(sp->rootpath, childpath, FSSTDIO_RebuildFSHash, data, spath);
|
|
return true;
|
|
}
|
|
AddFileHash(sp->depth, filename, NULL, sp);
|
|
return true;
|
|
}
|
|
static void QDECL FSSTDIO_BuildHash(void *handle, int depth, void (QDECL *AddFileHash)(int depth, const char *fname, fsbucket_t *filehandle, void *pathhandle))
|
|
{
|
|
stdiopath_t *sp = handle;
|
|
sp->depth = depth;
|
|
sp->AddFileHash = AddFileHash;
|
|
Sys_EnumerateFiles(sp->rootpath, "*", FSSTDIO_RebuildFSHash, AddFileHash, handle);
|
|
}
|
|
static qboolean QDECL FSSTDIO_FLocate(void *handle, flocation_t *loc, const char *filename, void *hashedresult)
|
|
{
|
|
stdiopath_t *sp = handle;
|
|
int len;
|
|
char netpath[MAX_OSPATH];
|
|
|
|
|
|
if (hashedresult && (void *)hashedresult != handle)
|
|
return false;
|
|
|
|
/*
|
|
if (!static_registered)
|
|
{ // if not a registered version, don't ever go beyond base
|
|
if ( strchr (filename, '/') || strchr (filename,'\\'))
|
|
continue;
|
|
}
|
|
*/
|
|
|
|
// check a file in the directory tree
|
|
snprintf (netpath, sizeof(netpath)-1, "%s/%s", sp->rootpath, filename);
|
|
|
|
#ifdef ANDROID
|
|
{
|
|
vfsfile_t *f = VFSSTDIO_Open(netpath, "rb", NULL);
|
|
if (!f)
|
|
return false;
|
|
len = VFS_GETLEN(f);
|
|
VFS_CLOSE(f);
|
|
}
|
|
#else
|
|
{
|
|
FILE *f = fopen(netpath, "rb");
|
|
if (!f)
|
|
return false;
|
|
|
|
fseek(f, 0, SEEK_END);
|
|
len = ftell(f);
|
|
fclose(f);
|
|
}
|
|
#endif
|
|
if (loc)
|
|
{
|
|
loc->len = len;
|
|
loc->offset = 0;
|
|
loc->index = 0;
|
|
Q_strncpyz(loc->rawname, netpath, sizeof(loc->rawname));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
static void QDECL FSSTDIO_ReadFile(void *handle, flocation_t *loc, char *buffer)
|
|
{
|
|
FILE *f;
|
|
size_t result;
|
|
|
|
f = fopen(loc->rawname, "rb");
|
|
if (!f) //err...
|
|
return;
|
|
fseek(f, loc->offset, SEEK_SET);
|
|
result = fread(buffer, 1, loc->len, f); // do soemthing with result
|
|
|
|
if (result != loc->len)
|
|
Con_Printf("FSSTDIO_ReadFile() fread: Filename: %s, expected %i, result was %u (%s)\n",loc->rawname,loc->len,(unsigned int)result,strerror(errno));
|
|
|
|
fclose(f);
|
|
}
|
|
static int QDECL FSSTDIO_EnumerateFiles (searchpathfuncs_t *handle, const char *match, int (QDECL *func)(const char *, int, void *, searchpathfuncs_t *spath), void *parm)
|
|
{
|
|
stdiopath_t *sp = (stdiopath_t*)handle;
|
|
return Sys_EnumerateFiles(sp->rootpath, match, func, parm, handle);
|
|
}
|
|
|
|
|
|
void *QDECL FSSTDIO_OpenPath(vfsfile_t *mustbenull, const char *desc)
|
|
{
|
|
stdiopath_t *np;
|
|
int dlen = strlen(desc);
|
|
if (mustbenull)
|
|
return NULL;
|
|
np = Z_Malloc(sizeof(*np) + dlen);
|
|
if (np)
|
|
{
|
|
np->depth = 0;
|
|
memcpy(np->rootpath, desc, dlen+1);
|
|
}
|
|
|
|
np->pub.fsver = FSVER;
|
|
np->pub.ClosePath = FSSTDIO_ClosePath;
|
|
np->pub.BuildHash = FSSTDIO_BuildHash;
|
|
np->pub.FindFile = FSSTDIO_FLocate;
|
|
np->pub.ReadFile = FSSTDIO_ReadFile;
|
|
np->pub.EnumerateFiles = FSSTDIO_EnumerateFiles;
|
|
np->pub.OpenVFS = FSSTDIO_OpenVFS;
|
|
np->pub.PollChanges = FSSTDIO_PollChanges;
|
|
return np;
|
|
}
|
|
|
|
#endif
|
|
#endif
|
|
|