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fteqw/engine/common/fs_stdio.c
Spoike 911f98ffaa fix demo menu with system paths. 
tweak some dp compatibility things. probably futile.
moved ode to a plugin.
added screenshot_mega command to take massive screenshots that are not tied to current video mode.
removed offscreen-gecko code completely.
added cvars to rescale offsetmapping from paletted sources, so it can be disabled where its ugly.
added support for zip weak encryption. the password defaults to 'thisispublic'. nothing is fool-proof.
gl: fix stereoscopic rendering.
gl: fix rendertargets with depth.
qc: added support for named builtins that do not have any specific number.
qc: added some new builtins. drawrotpic, drawtextfield, search_getfilemtime, and a few others.
qc: PF_Fixme now attempts to figure out which builtin you tried to call, for more friendly fatal error messages.
qccgui: stepover and stepout are now implemented, as is setnextstatement.
qccgui: added a way to annotate code with the asm statements generated from them.
qccgui: fixed double-clicking a src file.
qccgui: handles multiple .src files more usefully.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4832 fc73d0e0-1445-4013-8a0c-d673dee63da5
2015-02-02 08:01:53 +00:00

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C
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#include "quakedef.h"
#include "fs.h"
#include "errno.h"
#if !defined(NACL) && !defined(FTE_TARGET_WEB)
#ifdef WEBSVONLY
#define Z_Free free
#define Z_Malloc malloc
#else
#if !defined(_WIN32) || defined(FTE_SDL) || defined(WINRT)
#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, qofs_t pos)
{
vfsstdiofile_t *intfile = (vfsstdiofile_t*)file;
return fseek(intfile->handle, pos, SEEK_SET) == 0;
}
static qofs_t 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 qofs_t 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 qboolean QDECL VFSSTDIO_Close(vfsfile_t *file)
{
qboolean success;
vfsstdiofile_t *intfile = (vfsstdiofile_t*)file;
success = !ferror(intfile->handle);
fclose(intfile->handle);
Z_Free(file);
return success;
}
#ifdef _WIN32
static qboolean QDECL VFSSTDIO_CloseTemp(vfsfile_t *file)
{
qboolean success;
vfsstdiofile_t *intfile = (vfsstdiofile_t*)file;
char *fname = (char*)(intfile+1);
success = !ferror(intfile->handle);
fclose(intfile->handle);
_unlink(fname);
Z_Free(file);
return success;
}
#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 = VFSSTDIO_ReadBytes;
file->funcs.WriteBytes = VFSSTDIO_WriteBytes;
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(FTE_SDL) || defined(WINRT)
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(true);
return f;
}
#endif
#ifndef WEBSVONLY
static vfsfile_t *QDECL FSSTDIO_OpenVFS(searchpathfuncs_t *handle, flocation_t *loc, const char *mode)
{
vfsfile_t *f;
stdiopath_t *sp = (void*)handle;
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(searchpathfuncs_t *handle)
{
Z_Free(handle);
}
static qboolean QDECL FSSTDIO_PollChanges(searchpathfuncs_t *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, qofs_t filesize, time_t mtime, void *data, searchpathfuncs_t *spath)
{
stdiopath_t *sp = (void*)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(searchpathfuncs_t *handle, int depth, void (QDECL *AddFileHash)(int depth, const char *fname, fsbucket_t *filehandle, void *pathhandle))
{
stdiopath_t *sp = (void*)handle;
sp->depth = depth;
sp->AddFileHash = AddFileHash;
Sys_EnumerateFiles(sp->rootpath, "*", FSSTDIO_RebuildFSHash, AddFileHash, handle);
}
static unsigned int QDECL FSSTDIO_FLocate(searchpathfuncs_t *handle, flocation_t *loc, const char *filename, void *hashedresult)
{
stdiopath_t *sp = (void*)handle;
int len;
char netpath[MAX_OSPATH];
if (hashedresult && (void *)hashedresult != handle)
return FF_NOTFOUND;
/*
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 FF_NOTFOUND;
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 FF_FOUND;
}
static void QDECL FSSTDIO_ReadFile(searchpathfuncs_t *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 %u, result was %u (%s)\n",loc->rawname,(unsigned int)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 *, qofs_t, time_t mtime, void *, searchpathfuncs_t *spath), void *parm)
{
stdiopath_t *sp = (stdiopath_t*)handle;
return Sys_EnumerateFiles(sp->rootpath, match, func, parm, handle);
}
searchpathfuncs_t *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->pub;
}
#endif
#endif
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