xash3d-fwgs/filesystem/dir.c

110 lines
3.0 KiB
C

/*
dir.c - directory operations
Copyright (C) 2022 Alibek Omarov, Velaron
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#if XASH_POSIX
#include <unistd.h>
#endif
#include <errno.h>
#include <stddef.h>
#include "port.h"
#include "filesystem_internal.h"
#include "crtlib.h"
#include "xash3d_mathlib.h"
#include "common/com_strings.h"
void FS_Close_DIR( searchpath_t *search ) {}
void FS_PrintInfo_DIR( searchpath_t *search, char *dst, size_t size )
{
Q_strncpy( dst, search->filename, size );
}
int FS_FindFile_DIR( searchpath_t *search, const char *path )
{
char netpath[MAX_SYSPATH];
Q_sprintf( netpath, "%s%s", search->filename, path );
if( FS_SysFileExists( netpath, !( search->flags & FS_CUSTOM_PATH ) ) )
return 0;
return -1;
}
void FS_Search_DIR( searchpath_t *search, stringlist_t *list, const char *pattern, int caseinsensitive )
{
string netpath, temp;
stringlist_t dirlist;
const char *slash, *backslash, *colon, *separator;
int basepathlength, dirlistindex, resultlistindex;
char *basepath;
slash = Q_strrchr( pattern, '/' );
backslash = Q_strrchr( pattern, '\\' );
colon = Q_strrchr( pattern, ':' );
separator = Q_max( slash, backslash );
separator = Q_max( separator, colon );
basepathlength = separator ? (separator + 1 - pattern) : 0;
basepath = Mem_Calloc( fs_mempool, basepathlength + 1 );
if( basepathlength ) memcpy( basepath, pattern, basepathlength );
basepath[basepathlength] = 0;
Q_sprintf( netpath, "%s%s", search->filename, basepath );
stringlistinit( &dirlist );
listdirectory( &dirlist, netpath, caseinsensitive );
for( dirlistindex = 0; dirlistindex < dirlist.numstrings; dirlistindex++ )
{
Q_sprintf( temp, "%s%s", basepath, dirlist.strings[dirlistindex] );
if( matchpattern( temp, (char *)pattern, true ) )
{
for( resultlistindex = 0; resultlistindex < list->numstrings; resultlistindex++ )
{
if( !Q_strcmp( list->strings[resultlistindex], temp ) )
break;
}
if( resultlistindex == list->numstrings )
stringlistappend( list, temp );
}
}
stringlistfreecontents( &dirlist );
Mem_Free( basepath );
}
int FS_FileTime_DIR( struct searchpath_s *search, const char *filename )
{
char path[MAX_SYSPATH];
// found in the filesystem?
Q_sprintf( path, "%s%s", search->filename, filename );
return FS_SysFileTime( path );
}
file_t *FS_OpenFile_DIR( struct searchpath_s *search, const char *filename, const char *mode, int pack_ind )
{
char path[MAX_SYSPATH];
// found in the filesystem?
Q_sprintf( path, "%s%s", search->filename, filename );
return FS_SysOpen( path, mode );
}