#include "quakedef.h"
-#include <stdlib.h>
-#include <string.h>
#include <limits.h>
#include <fcntl.h>
#include "fs.h"
+// use syscalls instead of f* functions
+#define FS_USESYSCALLS
+
+// Win32 requires us to add O_BINARY, but the other OSes don't have it
+#ifdef FS_USESYSCALLS
+# ifndef O_BINARY
+# define O_BINARY 0
+# endif
+#endif
+
/*
struct qfile_s
{
fs_flags_t flags;
+#ifdef FS_USESYSCALLS
+ int stream;
+#else
FILE* stream;
+#endif
size_t length; // file size on disk (PACKED only)
size_t offset; // offset into a package (PACKED only)
size_t position; // current position in the file (PACKED only)
typedef struct pack_s
{
char filename [MAX_OSPATH];
+#ifdef FS_USESYSCALLS
+ int handle;
+#else
FILE *handle;
+#endif
int ignorecase; // PK3 ignores case
int numfiles;
packfile_t *files;
} searchpath_t;
+/*
+=============================================================================
+
+FUNCTION PROTOTYPES
+
+=============================================================================
+*/
+
+void FS_Dir_f(void);
+void FS_Ls_f(void);
+
+static packfile_t* FS_AddFileToPack (const char* name, pack_t* pack,
+ size_t offset, size_t packsize,
+ size_t realsize, file_flags_t flags);
+
+
/*
=============================================================================
pack_t *packlist = NULL;
-searchpath_t *fs_searchpaths;
+searchpath_t *fs_searchpaths = NULL;
#define MAX_FILES_IN_PACK 65536
*/
void PK3_CloseLibrary (void)
{
- if (!zlib_dll)
- return;
-
- Sys_UnloadLibrary (zlib_dll);
- zlib_dll = NULL;
+ Sys_UnloadLibrary (&zlib_dll);
}
qboolean PK3_OpenLibrary (void)
{
const char* dllname;
- const dllfunction_t *func;
// Already loaded?
if (zlib_dll)
dllname = "libz.so";
#endif
- // Initializations
- for (func = zlibfuncs; func && func->name != NULL; func++)
- *func->funcvariable = NULL;
-
// Load the DLL
- if (! (zlib_dll = Sys_LoadLibrary (dllname)))
+ if (! Sys_LoadLibrary (dllname, &zlib_dll, zlibfuncs))
{
- Con_Printf("Can't find %s. Compressed files support disabled\n", dllname);
+ Con_Printf ("Compressed files support disabled\n");
return false;
}
- // Get the function adresses
- for (func = zlibfuncs; func && func->name != NULL; func++)
- if (!(*func->funcvariable = (void *) Sys_GetProcAddress (zlib_dll, func->name)))
- {
- Con_Printf("missing function \"%s\" - broken Zlib library!\n", func->name);
- PK3_CloseLibrary ();
- return false;
- }
-
- Con_Printf("%s loaded. Compressed files support enabled\n", dllname);
+ Con_Printf ("Compressed files support enabled\n");
return true;
}
Extract the end of the central directory from a PK3 package
====================
*/
+#ifdef FS_USESYSCALLS
+qboolean PK3_GetEndOfCentralDir (const char *packfile, int packhandle, pk3_endOfCentralDir_t *eocd)
+#else
qboolean PK3_GetEndOfCentralDir (const char *packfile, FILE *packhandle, pk3_endOfCentralDir_t *eocd)
+#endif
{
long filesize, maxsize;
qbyte *buffer, *ptr;
int ind;
// Get the package size
+#ifdef FS_USESYSCALLS
+ filesize = lseek (packhandle, 0, SEEK_END);
+#else
fseek (packhandle, 0, SEEK_END);
- filesize = ftell (packhandle);
+ filesize = ftell(packhandle);
+#endif
if (filesize < ZIP_END_CDIR_SIZE)
return false;
else
maxsize = ZIP_MAX_COMMENTS_SIZE + ZIP_END_CDIR_SIZE;
buffer = Mem_Alloc (tempmempool, maxsize);
+#ifdef FS_USESYSCALLS
+ lseek (packhandle, filesize - maxsize, SEEK_SET);
+ if (read (packhandle, buffer, maxsize) != (ssize_t) maxsize)
+#else
fseek (packhandle, filesize - maxsize, SEEK_SET);
- if (fread (buffer, 1, maxsize, packhandle) != (unsigned long) maxsize)
+ if (fread (buffer, 1, maxsize, packhandle) != (size_t) maxsize)
+#endif
{
Mem_Free (buffer);
return false;
// Load the central directory in memory
central_dir = Mem_Alloc (tempmempool, eocd->cdir_size);
+#ifdef FS_USESYSCALLS
+ lseek (pack->handle, eocd->cdir_offset, SEEK_SET);
+ read (pack->handle, central_dir, eocd->cdir_size);
+#else
fseek (pack->handle, eocd->cdir_offset, SEEK_SET);
fread (central_dir, 1, eocd->cdir_size, pack->handle);
+#endif
// Extract the files properties
// The parsing is done "by hand" because some fields have variable sizes and
for (ind = 0; ind < eocd->nbentries; ind++)
{
size_t namesize, count;
- packfile_t *file;
// Checking the remaining size
if (remaining < ZIP_CDIR_CHUNK_BASE_SIZE)
// WinZip doesn't use the "directory" attribute, so we need to check the name directly
if (ptr[ZIP_CDIR_CHUNK_BASE_SIZE + namesize - 1] != '/')
{
- // Extract the name
- file = &pack->files[pack->numfiles];
- memcpy (file->name, &ptr[ZIP_CDIR_CHUNK_BASE_SIZE], namesize);
- file->name[namesize] = '\0';
+ char filename [sizeof (pack->files[0].name)];
+ size_t offset, packsize, realsize;
+ file_flags_t flags;
- // Compression, sizes and offset
- if (BuffLittleShort (&ptr[10]))
- file->flags = FILE_FLAG_DEFLATED;
- file->packsize = BuffLittleLong (&ptr[20]);
- file->realsize = BuffLittleLong (&ptr[24]);
- file->offset = BuffLittleLong (&ptr[42]);
+ // Extract the name (strip it if necessary)
+ if (namesize >= sizeof (filename))
+ namesize = sizeof (filename) - 1;
+ memcpy (filename, &ptr[ZIP_CDIR_CHUNK_BASE_SIZE], namesize);
+ filename[namesize] = '\0';
- pack->numfiles++;
+ if (BuffLittleShort (&ptr[10]))
+ flags = FILE_FLAG_DEFLATED;
+ else
+ flags = 0;
+ offset = BuffLittleLong (&ptr[42]);
+ packsize = BuffLittleLong (&ptr[20]);
+ realsize = BuffLittleLong (&ptr[24]);
+ FS_AddFileToPack (filename, pack, offset, packsize, realsize, flags);
}
}
*/
pack_t *FS_LoadPackPK3 (const char *packfile)
{
+#ifdef FS_USESYSCALLS
+ int packhandle;
+#else
FILE *packhandle;
+#endif
pk3_endOfCentralDir_t eocd;
pack_t *pack;
int real_nb_files;
+#ifdef FS_USESYSCALLS
+ packhandle = open (packfile, O_RDONLY | O_BINARY);
+ if (packhandle < 0)
+ return NULL;
+#else
packhandle = fopen (packfile, "rb");
if (!packhandle)
return NULL;
+#endif
if (! PK3_GetEndOfCentralDir (packfile, packhandle, &eocd))
Sys_Error ("%s is not a PK3 file", packfile);
// We only need to do this test if MAX_FILES_IN_PACK is lesser than 65535
// since eocd.nbentries is an unsigned 16 bits integer
- #if MAX_FILES_IN_PACK < 65535
+#if MAX_FILES_IN_PACK < 65535
if (eocd.nbentries > MAX_FILES_IN_PACK)
Sys_Error ("%s contains too many files (%hu)", packfile, eocd.nbentries);
- #endif
+#endif
// Create a package structure in memory
pack = Mem_Alloc (pak_mempool, sizeof (pack_t));
strlcpy (pack->filename, packfile, sizeof (pack->filename));
pack->handle = packhandle;
pack->numfiles = eocd.nbentries;
- pack->mempool = Mem_AllocPool (packfile);
+ pack->mempool = Mem_AllocPool (packfile, 0, NULL);
pack->files = Mem_Alloc (pack->mempool, eocd.nbentries * sizeof(packfile_t));
pack->next = packlist;
packlist = pack;
if (real_nb_files <= 0)
Sys_Error ("%s is not a valid PK3 file", packfile);
- Con_Printf ("Added packfile %s (%i files)\n", packfile, real_nb_files);
+ Con_Printf("Added packfile %s (%i files)\n", packfile, real_nb_files);
return pack;
}
return;
// Load the local file description
+#ifdef FS_USESYSCALLS
+ lseek (pack->handle, file->offset, SEEK_SET);
+ count = read (pack->handle, buffer, ZIP_LOCAL_CHUNK_BASE_SIZE);
+#else
fseek (pack->handle, file->offset, SEEK_SET);
count = fread (buffer, 1, ZIP_LOCAL_CHUNK_BASE_SIZE, pack->handle);
+#endif
if (count != ZIP_LOCAL_CHUNK_BASE_SIZE || BuffBigLong (buffer) != ZIP_DATA_HEADER)
Sys_Error ("Can't retrieve file %s in package %s", file->name, pack->filename);
*/
+/*
+====================
+FS_AddFileToPack
+
+Add a file to the list of files contained into a package
+====================
+*/
+static packfile_t* FS_AddFileToPack (const char* name, pack_t* pack,
+ size_t offset, size_t packsize,
+ size_t realsize, file_flags_t flags)
+{
+ int (*strcmp_funct) (const char* str1, const char* str2);
+ int left, right, middle;
+ packfile_t *file;
+
+ strcmp_funct = pack->ignorecase ? strcasecmp : strcmp;
+
+ // Look for the slot we should put that file into (binary search)
+ left = 0;
+ right = pack->numfiles - 1;
+ while (left <= right)
+ {
+ int diff;
+
+ middle = (left + right) / 2;
+ diff = strcmp_funct (pack->files[middle].name, name);
+
+ // If we found the file, there's a problem
+ if (!diff)
+ Sys_Error ("Package %s contains the file %s several times\n",
+ pack->filename, name);
+
+ // If we're too far in the list
+ if (diff > 0)
+ right = middle - 1;
+ else
+ left = middle + 1;
+ }
+
+ // We have to move the right of the list by one slot to free the one we need
+ file = &pack->files[left];
+ memmove (file + 1, file, (pack->numfiles - left) * sizeof (*file));
+ pack->numfiles++;
+
+ strlcpy (file->name, name, sizeof (file->name));
+ file->offset = offset;
+ file->packsize = packsize;
+ file->realsize = realsize;
+ file->flags = flags;
+
+ return file;
+}
+
+
/*
============
FS_CreatePath
-Only used for FS_WriteFile.
+Only used for FS_Open.
============
*/
void FS_CreatePath (char *path)
{
searchpath_t *s;
- Con_Printf ("Current search path:\n");
+ Con_Print("Current search path:\n");
for (s=fs_searchpaths ; s ; s=s->next)
{
if (s->pack)
{
- Con_Printf ("%s (%i files)\n", s->pack->filename, s->pack->numfiles);
+ Con_Printf("%s (%i files)\n", s->pack->filename, s->pack->numfiles);
}
else
- Con_Printf ("%s\n", s->filename);
+ Con_Printf("%s\n", s->filename);
}
}
{
dpackheader_t header;
int i, numpackfiles;
+#ifdef FS_USESYSCALLS
+ int packhandle;
+#else
FILE *packhandle;
+#endif
pack_t *pack;
dpackfile_t *info; // temporary alloc, allowing huge pack directories
+#ifdef FS_USESYSCALLS
+ packhandle = open (packfile, O_RDONLY | O_BINARY);
+ if (packhandle < 0)
+ return NULL;
+ read (packhandle, (void *)&header, sizeof(header));
+#else
packhandle = fopen (packfile, "rb");
if (!packhandle)
return NULL;
-
fread ((void *)&header, 1, sizeof(header), packhandle);
+#endif
if (memcmp(header.id, "PACK", 4))
Sys_Error ("%s is not a packfile", packfile);
header.dirofs = LittleLong (header.dirofs);
pack->ignorecase = false; // PAK is case sensitive
strlcpy (pack->filename, packfile, sizeof (pack->filename));
pack->handle = packhandle;
- pack->numfiles = numpackfiles;
- pack->mempool = Mem_AllocPool(packfile);
+ pack->numfiles = 0;
+ pack->mempool = Mem_AllocPool(packfile, 0, NULL);
pack->files = Mem_Alloc(pack->mempool, numpackfiles * sizeof(packfile_t));
pack->next = packlist;
packlist = pack;
info = Mem_Alloc(tempmempool, sizeof(*info) * numpackfiles);
+#ifdef FS_USESYSCALLS
+ lseek (packhandle, header.dirofs, SEEK_SET);
+ read (packhandle, (void *)info, header.dirlen);
+#else
fseek (packhandle, header.dirofs, SEEK_SET);
fread ((void *)info, 1, header.dirlen, packhandle);
+#endif
// parse the directory
for (i = 0;i < numpackfiles;i++)
{
- size_t size;
- packfile_t *file = &pack->files[i];
-
- strlcpy (file->name, info[i].name, sizeof (file->name));
- file->offset = LittleLong(info[i].filepos);
- size = LittleLong (info[i].filelen);
- file->packsize = size;
- file->realsize = size;
- file->flags = FILE_FLAG_TRUEOFFS;
+ size_t offset = LittleLong (info[i].filepos);
+ size_t size = LittleLong (info[i].filelen);
+
+ FS_AddFileToPack (info[i].name, pack, offset, size, size, FILE_FLAG_TRUEOFFS);
}
Mem_Free(info);
- Con_Printf ("Added packfile %s (%i files)\n", packfile, numpackfiles);
+ Con_Printf("Added packfile %s (%i files)\n", packfile, numpackfiles);
return pack;
}
strlcpy (fs_gamedir, dir, sizeof (fs_gamedir));
- // add the directory to the search path
- search = Mem_Alloc(pak_mempool, sizeof(searchpath_t));
- strlcpy (search->filename, dir, sizeof (search->filename));
- search->next = fs_searchpaths;
- fs_searchpaths = search;
-
list = listdirectory(dir);
// add any PAK package in the directory
}
}
freedirectory(list);
+
+ // Add the directory to the search path
+ // (unpacked files have the priority over packed files)
+ search = Mem_Alloc(pak_mempool, sizeof(searchpath_t));
+ strlcpy (search->filename, dir, sizeof (search->filename));
+ search->next = fs_searchpaths;
+ fs_searchpaths = search;
}
separator = backslash;
if (separator < colon)
separator = colon;
- if (dot < separator)
+ if (dot == NULL || dot < separator)
return "";
dot++;
for (i = 0;i < 7 && dot[i];i++)
return exten;
}
-void FS_Dir_f(void);
-void FS_Ls_f(void);
/*
================
int i;
searchpath_t *search;
- fs_mempool = Mem_AllocPool("file management");
- pak_mempool = Mem_AllocPool("paks");
+ fs_mempool = Mem_AllocPool("file management", 0, NULL);
+ pak_mempool = Mem_AllocPool("paks", 0, NULL);
+
+ Cvar_RegisterVariable (&scr_screenshot_name);
Cmd_AddCommand ("path", FS_Path_f);
Cmd_AddCommand ("dir", FS_Dir_f);
Cmd_AddCommand ("ls", FS_Ls_f);
strcpy(fs_basedir, ".");
+ strcpy(fs_gamedir, ".");
PK3_OpenLibrary ();
// -basedir <path>
// Overrides the system supplied base directory (under GAMENAME)
+// COMMANDLINEOPTION: Filesystem: -basedir <path> chooses what base directory the game data is in, inside this there should be a data directory for the game (for example id1)
i = COM_CheckParm ("-basedir");
if (i && i < com_argc-1)
- strlcpy (fs_basedir, com_argv[i+1], sizeof (fs_basedir));
-
- i = strlen (fs_basedir);
- if (i > 0 && (fs_basedir[i-1] == '\\' || fs_basedir[i-1] == '/'))
- fs_basedir[i-1] = 0;
-
- // start up with GAMENAME by default (id1)
- strlcpy (com_modname, GAMENAME, sizeof (com_modname));
- FS_AddGameDirectory (va("%s/"GAMENAME, fs_basedir));
- if (gamedirname[0])
{
- fs_modified = true;
- strlcpy (com_modname, gamedirname, sizeof (com_modname));
- FS_AddGameDirectory (va("%s/%s", fs_basedir, gamedirname));
- }
-
- // -game <gamedir>
- // Adds basedir/gamedir as an override game
- i = COM_CheckParm ("-game");
- if (i && i < com_argc-1)
- {
- fs_modified = true;
- strlcpy (com_modname, com_argv[i+1], sizeof (com_modname));
- FS_AddGameDirectory (va("%s/%s", fs_basedir, com_argv[i+1]));
+ strlcpy (fs_basedir, com_argv[i+1], sizeof (fs_basedir));
+ i = strlen (fs_basedir);
+ if (i > 0 && (fs_basedir[i-1] == '\\' || fs_basedir[i-1] == '/'))
+ fs_basedir[i-1] = 0;
}
// -path <dir or packfile> [<dir or packfile>] ...
// Fully specifies the exact search path, overriding the generated one
+// COMMANDLINEOPTION: Filesystem: -path <path ..> specifies the full search path manually, overriding the generated one, example: -path c:\quake\id1 c:\quake\pak0.pak c:\quake\pak1.pak (not recommended)
i = COM_CheckParm ("-path");
if (i)
{
fs_modified = true;
- fs_searchpaths = NULL;
while (++i < com_argc)
{
if (!com_argv[i] || com_argv[i][0] == '+' || com_argv[i][0] == '-')
search->next = fs_searchpaths;
fs_searchpaths = search;
}
+ return;
+ }
+
+ // start up with GAMENAME by default (id1)
+ strlcpy (com_modname, GAMENAME, sizeof (com_modname));
+ FS_AddGameDirectory (va("%s/"GAMENAME, fs_basedir));
+ Cvar_SetQuick (&scr_screenshot_name, gamescreenshotname);
+
+ // add the game-specific path, if any
+ if (gamedirname[0])
+ {
+ fs_modified = true;
+ strlcpy (com_modname, gamedirname, sizeof (com_modname));
+ FS_AddGameDirectory (va("%s/%s", fs_basedir, gamedirname));
+ }
+
+ // -game <gamedir>
+ // Adds basedir/gamedir as an override game
+ // LordHavoc: now supports multiple -game directories
+ for (i = 1;i < com_argc;i++)
+ {
+ if (!com_argv[i])
+ continue;
+ if (!strcmp (com_argv[i], "-game") && i < com_argc-1)
+ {
+ i++;
+ fs_modified = true;
+ strlcpy (com_modname, com_argv[i], sizeof (com_modname));
+ FS_AddGameDirectory (va("%s/%s", fs_basedir, com_argv[i]));
+ Cvar_SetQuick (&scr_screenshot_name, com_modname);
+ }
}
}
file = Mem_Alloc (fs_mempool, sizeof (*file));
memset (file, 0, sizeof (*file));
+#ifdef FS_USESYSCALLS
+ if (strchr(mode, 'r'))
+ file->stream = open (filepath, O_RDONLY | O_BINARY);
+ else if (strchr(mode, 'w'))
+ file->stream = open (filepath, O_WRONLY | O_BINARY | O_CREAT | O_TRUNC, 0666);
+ else if (strchr(mode, 'a'))
+ file->stream = open (filepath, O_RDWR | O_BINARY | O_CREAT | O_APPEND, 0666);
+ else
+ file->stream = -1;
+ if (file->stream < 0)
+ {
+ Mem_Free (file);
+ return NULL;
+ }
+#else
file->stream = fopen (filepath, mode);
if (!file->stream)
{
Mem_Free (file);
return NULL;
}
+#endif
return file;
}
if (offs < 0 || len < 0)
{
// We set fs_filesize here for normal files
+#ifdef FS_USESYSCALLS
+ fs_filesize = lseek (file->stream, 0, SEEK_END);
+ lseek (file->stream, 0, SEEK_SET);
+#else
fseek (file->stream, 0, SEEK_END);
fs_filesize = ftell (file->stream);
fseek (file->stream, 0, SEEK_SET);
+#endif
}
// Packed file
else
{
+#ifdef FS_USESYSCALLS
+ lseek (file->stream, offs, SEEK_SET);
+#else
fseek (file->stream, offs, SEEK_SET);
+#endif
file->flags |= FS_FLAG_PACKED;
file->length = len;
return file;
}
+
/*
-===========
-FS_FOpenFile
+====================
+FS_FindFile
-If the requested file is inside a packfile, a new qfile_t* will be opened
-into the file.
+Look for a file in the packages and in the filesystem
-Sets fs_filesize
-===========
+Return the searchpath where the file was found (or NULL)
+and the file index in the package if relevant
+====================
*/
-qfile_t *FS_FOpenFile (const char *filename, qboolean quiet)
+static searchpath_t *FS_FindFile (const char *name, int* index, qboolean quiet)
{
searchpath_t *search;
- char netpath[MAX_OSPATH];
pack_t *pak;
- int i, filenamelen, matched;
-
- filenamelen = strlen (filename);
- // LordHavoc: this is not written right!
- // (should search have higher priority for files in each gamedir, while
- // preserving the gamedir priorities, not searching for all paks in all
- // gamedirs and then all files in all gamedirs)
-#ifdef AKVERSION
- // first we search for a real file, after that we start to search through the paks
// search through the path, one element at a time
- search = fs_searchpaths;
-
- for( ; search ; search = search->next)
- if(!search->pack)
- {
- snprintf (netpath, sizeof (netpath), "%s/%s",search->filename, filename);
-
- if (!FS_SysFileExists (netpath))
- continue;
-
- if (!quiet)
- Sys_Printf ("FindFile: %s\n",netpath);
- return FS_OpenRead (netpath, -1, -1);
- }
-
- search = fs_searchpaths;
- for ( ; search ; search = search->next)
+ for (search = fs_searchpaths;search;search = search->next)
+ {
// is the element a pak file?
if (search->pack)
{
- // look through all the pak file elements
+ int (*strcmp_funct) (const char* str1, const char* str2);
+ int left, right, middle;
+
pak = search->pack;
- for (i=0 ; i<pak->numfiles ; i++)
- {
- if (pak->ignorecase)
- matched = !strcasecmp (pak->files[i].name, filename);
- else
- matched = !strcmp (pak->files[i].name, filename);
- if (matched) // found it?
- {
- qfile_t *file;
+ strcmp_funct = pak->ignorecase ? strcasecmp : strcmp;
- if (!quiet)
- Sys_Printf ("PackFile: %s : %s\n",pak->filename, pak->files[i].name);
+ // Look for the file (binary search)
+ left = 0;
+ right = pak->numfiles - 1;
+ while (left <= right)
+ {
+ int diff;
- // If we don't have the true offset, get it now
- if (! (pak->files[i].flags & FILE_FLAG_TRUEOFFS))
- PK3_GetTrueFileOffset (&pak->files[i], pak);
+ middle = (left + right) / 2;
+ diff = strcmp_funct (pak->files[middle].name, name);
- // No Zlib DLL = no compressed files
- if (!zlib_dll && (pak->files[i].flags & FILE_FLAG_DEFLATED))
- {
- Con_Printf ("WARNING: can't open the compressed file %s\n"
- "You need the Zlib DLL to use compressed files\n", filename);
- fs_filesize = -1;
- return NULL;
- }
+ // Found it
+ if (!diff)
+ {
+ if (!quiet)
+ Sys_Printf("FS_FindFile: %s in %s\n",
+ pak->files[middle].name, pak->filename);
- // open a new file in the pakfile
- file = FS_OpenRead (pak->filename, pak->files[i].offset, pak->files[i].packsize);
- fs_filesize = pak->files[i].realsize;
+ if (index != NULL)
+ *index = middle;
+ return search;
+ }
- if (pak->files[i].flags & FILE_FLAG_DEFLATED)
- {
- ztoolkit_t *ztk;
+ // If we're too far in the list
+ if (diff > 0)
+ right = middle - 1;
+ else
+ left = middle + 1;
+ }
+ }
+ else
+ {
+ char netpath[MAX_OSPATH];
+ snprintf(netpath, sizeof(netpath), "%s/%s", search->filename, name);
+ if (FS_SysFileExists (netpath))
+ {
+ if (!quiet)
+ Sys_Printf("FS_FindFile: %s\n", netpath);
- file->flags |= FS_FLAG_DEFLATED;
+ if (index != NULL)
+ *index = -1;
+ return search;
+ }
+ }
+ }
- // We need some more variables
- ztk = Mem_Alloc (fs_mempool, sizeof (*file->z));
+ if (!quiet)
+ Sys_Printf("FS_FindFile: can't find %s\n", name);
- ztk->real_length = pak->files[i].realsize;
+ if (index != NULL)
+ *index = -1;
+ return NULL;
+}
- // Initialize zlib stream
- ztk->zstream.next_in = ztk->input;
- ztk->zstream.avail_in = 0;
- /* From Zlib's "unzip.c":
- *
- * windowBits is passed < 0 to tell that there is no zlib header.
- * Note that in this case inflate *requires* an extra "dummy" byte
- * after the compressed stream in order to complete decompression and
- * return Z_STREAM_END.
- * In unzip, i don't wait absolutely Z_STREAM_END because I known the
- * size of both compressed and uncompressed data
- */
- if (qz_inflateInit2 (&ztk->zstream, -MAX_WBITS) != Z_OK)
- Sys_Error ("inflate init error (file: %s)", filename);
+/*
+===========
+FS_FOpenFile
- ztk->zstream.next_out = ztk->output;
- ztk->zstream.avail_out = sizeof (ztk->output);
+If the requested file is inside a packfile, a new qfile_t* will be opened
+into the file.
- file->z = ztk;
- }
+Sets fs_filesize
+===========
+*/
+qfile_t *FS_FOpenFile (const char *filename, qboolean quiet)
+{
+ searchpath_t *search;
+ packfile_t *packfile;
+ int i;
+ qfile_t *file;
- return file;
- }
- }
- }
-#else
- // search through the path, one element at a time
- search = fs_searchpaths;
+ search = FS_FindFile (filename, &i, quiet);
- for ( ; search ; search = search->next)
+ // Not found?
+ if (search == NULL)
{
- // is the element a pak file?
- if (search->pack)
- {
- // look through all the pak file elements
- pak = search->pack;
- for (i=0 ; i<pak->numfiles ; i++)
- {
- if (pak->ignorecase)
- matched = !strcasecmp (pak->files[i].name, filename);
- else
- matched = !strcmp (pak->files[i].name, filename);
- if (matched) // found it?
- {
- qfile_t *file;
+ fs_filesize = -1;
+ return NULL;
+ }
- if (!quiet)
- Sys_Printf ("PackFile: %s : %s\n",pak->filename, pak->files[i].name);
+ // Found in the filesystem?
+ if (i < 0)
+ {
+ char netpath[MAX_OSPATH];
+ snprintf(netpath, sizeof(netpath), "%s/%s", search->filename, filename);
+ return FS_OpenRead(netpath, -1, -1);
+ }
- // If we don't have the true offset, get it now
- if (! (pak->files[i].flags & FILE_FLAG_TRUEOFFS))
- PK3_GetTrueFileOffset (&pak->files[i], pak);
+ // So, we found it in a package...
+ packfile = &search->pack->files[i];
- // No Zlib DLL = no compressed files
- if (!zlib_dll && (pak->files[i].flags & FILE_FLAG_DEFLATED))
- {
- Con_Printf ("WARNING: can't open the compressed file %s\n"
- "You need the Zlib DLL to use compressed files\n", filename);
- fs_filesize = -1;
- return NULL;
- }
+ // If we don't have the true offset, get it now
+ if (! (packfile->flags & FILE_FLAG_TRUEOFFS))
+ PK3_GetTrueFileOffset (packfile, search->pack);
- // open a new file in the pakfile
- file = FS_OpenRead (pak->filename, pak->files[i].offset, pak->files[i].packsize);
- fs_filesize = pak->files[i].realsize;
+ // No Zlib DLL = no compressed files
+ if (!zlib_dll && (packfile->flags & FILE_FLAG_DEFLATED))
+ {
+ Con_Printf("WARNING: can't open the compressed file %s\n"
+ "You need the Zlib DLL to use compressed files\n",
+ filename);
+ fs_filesize = -1;
+ return NULL;
+ }
- if (pak->files[i].flags & FILE_FLAG_DEFLATED)
- {
- ztoolkit_t *ztk;
+ // open a new file in the pakfile
+ file = FS_OpenRead (search->pack->filename, packfile->offset, packfile->packsize);
+ fs_filesize = packfile->realsize;
- file->flags |= FS_FLAG_DEFLATED;
+ if (packfile->flags & FILE_FLAG_DEFLATED)
+ {
+ ztoolkit_t *ztk;
- // We need some more variables
- ztk = Mem_Alloc (fs_mempool, sizeof (*file->z));
+ file->flags |= FS_FLAG_DEFLATED;
- ztk->real_length = pak->files[i].realsize;
+ // We need some more variables
+ ztk = Mem_Alloc (fs_mempool, sizeof (*file->z));
- // Initialize zlib stream
- ztk->zstream.next_in = ztk->input;
- ztk->zstream.avail_in = 0;
+ ztk->real_length = packfile->realsize;
- /* From Zlib's "unzip.c":
- *
- * windowBits is passed < 0 to tell that there is no zlib header.
- * Note that in this case inflate *requires* an extra "dummy" byte
- * after the compressed stream in order to complete decompression and
- * return Z_STREAM_END.
- * In unzip, i don't wait absolutely Z_STREAM_END because I known the
- * size of both compressed and uncompressed data
- */
- if (qz_inflateInit2 (&ztk->zstream, -MAX_WBITS) != Z_OK)
- Sys_Error ("inflate init error (file: %s)", filename);
+ // Initialize zlib stream
+ ztk->zstream.next_in = ztk->input;
+ ztk->zstream.avail_in = 0;
- ztk->zstream.next_out = ztk->output;
- ztk->zstream.avail_out = sizeof (ztk->output);
+ /* From Zlib's "unzip.c":
+ *
+ * windowBits is passed < 0 to tell that there is no zlib header.
+ * Note that in this case inflate *requires* an extra "dummy" byte
+ * after the compressed stream in order to complete decompression and
+ * return Z_STREAM_END.
+ * In unzip, i don't wait absolutely Z_STREAM_END because I known the
+ * size of both compressed and uncompressed data
+ */
+ if (qz_inflateInit2 (&ztk->zstream, -MAX_WBITS) != Z_OK)
+ Sys_Error ("inflate init error (file: %s)", filename);
- file->z = ztk;
- }
+ ztk->zstream.next_out = ztk->output;
+ ztk->zstream.avail_out = sizeof (ztk->output);
- return file;
- }
- }
- }
- else
- {
- snprintf (netpath, sizeof (netpath), "%s/%s",search->filename, filename);
-
- if (!FS_SysFileExists (netpath))
- continue;
-
- if (!quiet)
- Sys_Printf ("FindFile: %s\n",netpath);
- return FS_OpenRead (netpath, -1, -1);
- }
+ file->z = ztk;
}
-#endif
-
- if (!quiet)
- Sys_Printf ("FindFile: can't find %s\n", filename);
- fs_filesize = -1;
- return NULL;
+ return file;
}
*/
int FS_Close (qfile_t* file)
{
+#ifdef FS_USESYSCALLS
+ if (close (file->stream))
+#else
if (fclose (file->stream))
+#endif
return EOF;
if (file->z)
*/
size_t FS_Write (qfile_t* file, const void* data, size_t datasize)
{
+#ifdef FS_USESYSCALLS
+ return write (file->stream, data, datasize);
+#else
return fwrite (data, 1, datasize, file->stream);
+#endif
}
// Quick path for unpacked files
if (! (file->flags & FS_FLAG_PACKED))
+#ifdef FS_USESYSCALLS
+ return read (file->stream, buffer, buffersize);
+#else
return fread (buffer, 1, buffersize, file->stream);
+#endif
// If the file isn't compressed
if (! (file->flags & FS_FLAG_DEFLATED))
if (buffersize > count)
buffersize = count;
+#ifdef FS_USESYSCALLS
+ nb = read (file->stream, buffer, buffersize);
+#else
nb = fread (buffer, 1, buffersize, file->stream);
+#endif
file->position += nb;
return nb;
// If "input" is also empty, we need to fill it
if (ztk->in_ind == ztk->in_max)
{
- size_t remain = file->length - ztk->in_position;
+ size_t remain;
// If we are at the end of the file
- if (!remain)
+ if (ztk->out_position == ztk->real_length)
return nb;
+ remain = file->length - ztk->in_position;
count = (remain > sizeof (ztk->input)) ? sizeof (ztk->input) : remain;
+#ifdef FS_USESYSCALLS
+ read (file->stream, ztk->input, count);
+#else
fread (ztk->input, 1, count, file->stream);
+#endif
// Update indexes and counters
ztk->in_ind = 0;
*/
int FS_Flush (qfile_t* file)
{
+#ifdef FS_USESYSCALLS
+ return 0;
+#else
return fflush (file->stream);
+#endif
}
+/*
+====================
+FS_Print
+
+Print a string into a file
+====================
+*/
+int FS_Print(qfile_t* file, const char *msg)
+{
+ return FS_Write(file, msg, strlen(msg));
+}
+
/*
====================
FS_Printf
Print a string into a file
====================
*/
-int FS_Printf (qfile_t* file, const char* format, ...)
+int FS_Printf(qfile_t* file, const char* format, ...)
{
int result;
va_list args;
va_start (args, format);
- result = vfprintf (file->stream, format, args);
+ result = FS_VPrintf(file, format, args);
va_end (args);
return result;
}
+/*
+====================
+FS_VPrintf
+
+Print a string into a file
+====================
+*/
+int FS_VPrintf(qfile_t* file, const char* format, va_list ap)
+{
+#ifdef FS_USESYSCALLS
+{
+ int len;
+ char tempstring[1024];
+ len = vsnprintf (tempstring, sizeof(tempstring), format, ap);
+ if (len >= sizeof(tempstring))
+ {
+ int result;
+ char *temp = Mem_Alloc(tempmempool, len + 1);
+ len = vsnprintf (temp, len + 1, format, ap);
+ result = write (file->stream, temp, len);
+ Mem_Free(temp);
+ return result;
+ }
+ else
+ return write (file->stream, tempstring, len);
+}
+#else
+ return vfprintf (file->stream, format, ap);
+#endif
+}
+
+
/*
====================
FS_Getc
{
// Quick path for unpacked files
if (! (file->flags & FS_FLAG_PACKED))
+#ifdef FS_USESYSCALLS
+ return lseek (file->stream, offset, whence);
+#else
return fseek (file->stream, offset, whence);
+#endif
// Seeking in compressed files is more a hack than anything else,
// but we need to support it, so here it is.
ztk->out_max = 0;
ztk->out_position = 0;
file->position = 0;
+#ifdef FS_USESYSCALLS
+ lseek (file->stream, file->offset, SEEK_SET);
+#else
fseek (file->stream, file->offset, SEEK_SET);
+#endif
// Reset the Zlib stream
ztk->zstream.next_in = ztk->input;
if (offset < 0 || offset > (long) file->length)
return -1;
+#ifdef FS_USESYSCALLS
+ if (lseek (file->stream, file->offset + offset, SEEK_SET) == -1)
+ return -1;
+#else
if (fseek (file->stream, file->offset + offset, SEEK_SET) == -1)
return -1;
+#endif
file->position = offset;
return 0;
}
if (file->flags & FS_FLAG_PACKED)
return file->position;
+#ifdef FS_USESYSCALLS
+ return lseek (file->stream, 0, SEEK_CUR);
+#else
return ftell (file->stream);
+#endif
}
size_t ind;
// Quick path for unpacked files
+#ifndef FS_USESYSCALLS
if (! (file->flags & FS_FLAG_PACKED))
return fgets (buffer, buffersize, file->stream);
+#endif
for (ind = 0; ind < (size_t) buffersize - 1; ind++)
{
Extract a line from a file
====================
*/
+// FIXME: remove this function?
int FS_Eof (qfile_t* file)
{
if (file->flags & FS_FLAG_PACKED)
return (file->position == file->length);
}
+#ifdef FS_USESYSCALLS
+ Sys_Error("FS_Eof: not implemented using syscalls\n");
+ return false;
+#else
return feof (file->stream);
+#endif
}
Always appends a 0 byte.
============
*/
-qbyte *FS_LoadFile (const char *path, qboolean quiet)
+qbyte *FS_LoadFile (const char *path, mempool_t *pool, qboolean quiet)
{
qfile_t *h;
qbyte *buf;
if (!h)
return NULL;
- buf = Mem_Alloc(tempmempool, fs_filesize+1);
+ buf = Mem_Alloc(pool, fs_filesize+1);
if (!buf)
Sys_Error ("FS_LoadFile: not enough available memory for %s (size %i)", path, fs_filesize);
*/
qboolean FS_WriteFile (const char *filename, void *data, int len)
{
- FILE *handle;
- char name[MAX_OSPATH];
-
- snprintf (name, sizeof (name), "%s/%s", fs_gamedir, filename);
+ qfile_t *handle;
- // Create directories up to the file
- FS_CreatePath (name);
-
- handle = fopen (name, "wb");
+ handle = FS_Open (filename, "wb", false);
if (!handle)
{
- Con_Printf ("FS_WriteFile: failed on %s\n", name);
+ Con_Printf("FS_WriteFile: failed on %s\n", filename);
return false;
}
- Con_DPrintf ("FS_WriteFile: %s\n", name);
- fwrite (data, 1, len, handle);
- fclose (handle);
+ Con_DPrintf("FS_WriteFile: %s\n", filename);
+ FS_Write (handle, data, len);
+ FS_Close (handle);
return true;
}
}
+/*
+==================
+FS_FileExists
+
+Look for a file in the packages and in the filesystem
+==================
+*/
qboolean FS_FileExists (const char *filename)
{
- searchpath_t *search;
- char netpath[MAX_OSPATH];
- pack_t *pak;
- int i;
-
- for (search = fs_searchpaths;search;search = search->next)
- {
- if (search->pack)
- {
- pak = search->pack;
- for (i = 0;i < pak->numfiles;i++)
- if (!strcmp (pak->files[i].name, filename))
- return true;
- }
- else
- {
- snprintf (netpath, sizeof (netpath), "%s/%s",search->filename, filename);
- if (FS_SysFileExists (netpath))
- return true;
- }
- }
-
- return false;
+ return (FS_FindFile (filename, NULL, true) != NULL);
}
+/*
+==================
+FS_SysFileExists
+
+Look for a file in the filesystem only
+==================
+*/
qboolean FS_SysFileExists (const char *path)
{
#if WIN32
fssearch_t *search;
searchpath_t *searchpath;
pack_t *pak;
- int i, basepathlength, numfiles, numchars, step;
- stringlist_t *dir, *dirfile;
+ int i, basepathlength, numfiles, numchars;
+ stringlist_t *dir, *dirfile, *liststart, *listcurrent, *listtemp;
const char *slash, *backslash, *colon, *separator;
char *basepath;
char netpath[MAX_OSPATH];
+ char temp[MAX_OSPATH];
while(!strncmp(pattern, "./", 2))
pattern += 2;
pattern += 2;
search = NULL;
- numfiles = 0;
- numchars = 0;
+ liststart = NULL;
+ listcurrent = NULL;
+ listtemp = NULL;
slash = strrchr(pattern, '/');
backslash = strrchr(pattern, '\\');
colon = strrchr(pattern, ':');
- separator = slash;
+ separator = pattern;
+ if (separator < slash)
+ separator = slash;
if (separator < backslash)
separator = backslash;
if (separator < colon)
separator = colon;
- if (separator)
- basepathlength = separator + 1 - pattern;
- else
- basepathlength = 0;
- basepath = Z_Malloc(basepathlength + 1);
+ basepathlength = separator - pattern;
+ basepath = Mem_Alloc (tempmempool, basepathlength + 1);
if (basepathlength)
memcpy(basepath, pattern, basepathlength);
basepath[basepathlength] = 0;
- for (step = 0;step < 2;step++)
+ // search through the path, one element at a time
+ for (searchpath = fs_searchpaths;searchpath;searchpath = searchpath->next)
{
- // search through the path, one element at a time
- for (searchpath = fs_searchpaths;searchpath;searchpath = searchpath->next)
+ // is the element a pak file?
+ if (searchpath->pack)
{
- // is the element a pak file?
- if (searchpath->pack)
+ // look through all the pak file elements
+ pak = searchpath->pack;
+ for (i = 0;i < pak->numfiles;i++)
{
- // look through all the pak file elements
- pak = searchpath->pack;
- for (i = 0;i < pak->numfiles;i++)
+ strcpy(temp, pak->files[i].name);
+ while (temp[0])
{
- if (matchpattern(pak->files[i].name, (char *)pattern, caseinsensitive || pak->ignorecase))
+ if (matchpattern(temp, (char *)pattern, true))
{
- if (search)
+ for (listtemp = liststart;listtemp;listtemp = listtemp->next)
+ if (!strcmp(listtemp->text, temp))
+ break;
+ if (listtemp == NULL)
{
- search->filenames[numfiles] = search->filenamesbuffer + numchars;
- strcpy(search->filenames[numfiles], pak->files[i].name);
+ listcurrent = stringlistappend(listcurrent, temp);
+ if (liststart == NULL)
+ liststart = listcurrent;
+ if (!quiet)
+ Sys_Printf("SearchPackFile: %s : %s\n", pak->filename, temp);
}
- numfiles++;
- numchars += strlen(pak->files[i].name) + 1;
- if (!quiet)
- Sys_Printf("SearchPackFile: %s : %s\n", pak->filename, pak->files[i].name);
}
+ // strip off one path element at a time until empty
+ // this way directories are added to the listing if they match the pattern
+ slash = strrchr(temp, '/');
+ backslash = strrchr(temp, '\\');
+ colon = strrchr(temp, ':');
+ separator = temp;
+ if (separator < slash)
+ separator = slash;
+ if (separator < backslash)
+ separator = backslash;
+ if (separator < colon)
+ separator = colon;
+ *((char *)separator) = 0;
}
}
- else
+ }
+ else
+ {
+ // get a directory listing and look at each name
+ snprintf(netpath, sizeof (netpath), "%s/%s", searchpath->filename, basepath);
+ if ((dir = listdirectory(netpath)))
{
- // get a directory listing and look at each name
- snprintf(netpath, sizeof (netpath), "%s/%s", searchpath->filename, pattern);
- if ((dir = listdirectory(netpath)))
+ for (dirfile = dir;dirfile;dirfile = dirfile->next)
{
- for (dirfile = dir;dirfile;dirfile = dirfile->next)
+ snprintf(temp, sizeof(temp), "%s/%s", basepath, dirfile->text);
+ if (matchpattern(temp, (char *)pattern, true))
{
- if (matchpattern(dirfile->text, (char *)pattern + basepathlength, caseinsensitive))
+ for (listtemp = liststart;listtemp;listtemp = listtemp->next)
+ if (!strcmp(listtemp->text, temp))
+ break;
+ if (listtemp == NULL)
{
- if (search)
- {
- search->filenames[numfiles] = search->filenamesbuffer + numchars;
- memcpy(search->filenames[numfiles], basepath, basepathlength);
- strcpy(search->filenames[numfiles] + basepathlength, dirfile->text);
- }
- numfiles++;
- numchars += basepathlength + strlen(dirfile->text) + 1;
+ listcurrent = stringlistappend(listcurrent, temp);
+ if (liststart == NULL)
+ liststart = listcurrent;
if (!quiet)
- Sys_Printf("SearchDirFile: %s\n", dirfile->text);
+ Sys_Printf("SearchDirFile: %s\n", temp);
}
}
- freedirectory(dir);
}
+ freedirectory(dir);
}
}
+ }
- if (step == 0)
+ if (liststart)
+ {
+ liststart = stringlistsort(liststart);
+ numfiles = 0;
+ numchars = 0;
+ for (listtemp = liststart;listtemp;listtemp = listtemp->next)
{
- if (!numfiles || !numchars)
- {
- Z_Free(basepath);
- return NULL;
- }
- // prepare for second pass (allocate the memory to fill in)
- search = Z_Malloc(sizeof(fssearch_t) + numchars + numfiles * sizeof(char *));
- search->filenames = (char **)((char *)search + sizeof(fssearch_t));
- search->filenamesbuffer = (char *)((char *)search + sizeof(fssearch_t) + numfiles * sizeof(char *));
- search->numfilenames = numfiles;
- // these are used for tracking as the buffers are written on the second pass
- numfiles = 0;
- numchars = 0;
+ numfiles++;
+ numchars += strlen(listtemp->text) + 1;
+ }
+ search = Z_Malloc(sizeof(fssearch_t) + numchars + numfiles * sizeof(char *));
+ search->filenames = (char **)((char *)search + sizeof(fssearch_t));
+ search->filenamesbuffer = (char *)((char *)search + sizeof(fssearch_t) + numfiles * sizeof(char *));
+ search->numfilenames = numfiles;
+ numfiles = 0;
+ numchars = 0;
+ for (listtemp = liststart;listtemp;listtemp = listtemp->next)
+ {
+ search->filenames[numfiles] = search->filenamesbuffer + numchars;
+ strcpy(search->filenames[numfiles], listtemp->text);
+ numfiles++;
+ numchars += strlen(listtemp->text) + 1;
}
+ if (liststart)
+ stringlistfree(liststart);
}
- Z_Free(basepath);
+ Mem_Free(basepath);
return search;
}
const char *name;
char linebuf[4096];
fssearch_t *search;
- search = FS_Search(pattern, true, false);
+ search = FS_Search(pattern, true, true);
if (!search)
return 0;
numfiles = search->numfilenames;
return numfiles;
}
-void FS_Dir_f(void)
+static void FS_ListDirectoryCmd (const char* cmdname, int oneperline)
{
- char pattern[MAX_OSPATH];
+ const char *pattern;
if (Cmd_Argc() > 3)
{
- Con_Printf("usage:\ndir [path/pattern]\n");
+ Con_Printf("usage:\n%s [path/pattern]\n", cmdname);
return;
}
if (Cmd_Argc() == 2)
- {
- snprintf(pattern, sizeof(pattern), "%s", Cmd_Argv(1));
- if (!FS_ListDirectory(pattern, true))
- {
- snprintf(pattern, sizeof(pattern), "%s/*", Cmd_Argv(1));
- if (!FS_ListDirectory(pattern, true))
- Con_Printf("No files found.\n");
- }
- }
+ pattern = Cmd_Argv(1);
else
- {
- if (!FS_ListDirectory("*", true))
- Con_Printf("No files found.\n");
- }
+ pattern = "*";
+ if (!FS_ListDirectory(pattern, oneperline))
+ Con_Print("No files found.\n");
+}
+
+void FS_Dir_f(void)
+{
+ FS_ListDirectoryCmd("dir", true);
}
void FS_Ls_f(void)
{
- char pattern[MAX_OSPATH];
- if (Cmd_Argc() > 3)
- {
- Con_Printf("usage:\nls [path/pattern]\n");
- return;
- }
- if (Cmd_Argc() == 2)
- {
- snprintf(pattern, sizeof(pattern), "%s", Cmd_Argv(1));
- if (!FS_ListDirectory(pattern, false))
- {
- snprintf(pattern, sizeof(pattern), "%s/*", Cmd_Argv(1));
- FS_ListDirectory(pattern, false);
- }
- }
- else
- FS_ListDirectory("*", false);
+ FS_ListDirectoryCmd("ls", false);
}