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155 lines
2.5 KiB
155 lines
2.5 KiB
/* |
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utils.c - Useful helper functions |
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Copyright (C) 2020 Andrey Akhmichin |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <sys/stat.h> |
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#include <errno.h> |
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#include "xash3d_types.h" |
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#include "port.h" |
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#include "crtlib.h" |
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#include "utils.h" |
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/* |
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============ |
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MakeDirectory |
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============ |
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*/ |
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qboolean MakeDirectory( const char *path ) |
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{ |
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if( -1 == _mkdir( path )) |
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{ |
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if( errno == EEXIST ) |
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{ |
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// TODO: when filesystem library will be ready |
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// use FS_SysFolderExists here or replace this whole function |
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// with FS_CreatePath |
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#if XASH_WIN32 |
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DWORD dwFlags = GetFileAttributes( path ); |
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return ( dwFlags != -1 ) && ( dwFlags & FILE_ATTRIBUTE_DIRECTORY ); |
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#else |
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struct stat buf; |
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if( !stat( path, &buf )) |
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return S_ISDIR( buf.st_mode ); |
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#endif |
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} |
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return false; |
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} |
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return true; |
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} |
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/* |
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============ |
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MakeFullPath |
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============ |
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*/ |
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qboolean MakeFullPath( const char *path ) |
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{ |
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char *p = (char *)path, tmp; |
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for( ; *p; ) |
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{ |
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p = Q_strpbrk( p, "/\\" ); |
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if( p ) |
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{ |
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tmp = *p; |
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*p = '\0'; |
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} |
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if( !MakeDirectory( path )) |
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{ |
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fprintf( stderr, "ERROR: Couldn't create directory %s\n", path ); |
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return false; |
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} |
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if( !p ) |
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break; |
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*p++ = tmp; |
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} |
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return true; |
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} |
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/* |
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============ |
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ExtractFileName |
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============ |
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*/ |
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void ExtractFileName( char *name, size_t size ) |
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{ |
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char tmp[MAX_SYSPATH]; |
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if( !( name && *name ) || size <= 0 ) |
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return; |
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name[size - 1] = '\0'; |
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if( Q_strpbrk( name, "/\\" )) |
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{ |
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Q_strncpy( tmp, COM_FileWithoutPath( name ), sizeof( tmp )); |
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Q_strncpy( name, tmp, size ); |
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} |
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} |
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/* |
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============ |
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GetFileSize |
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============ |
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*/ |
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off_t GetSizeOfFile( FILE *fp ) |
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{ |
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struct stat st; |
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int fd; |
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fd = fileno( fp ); |
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fstat( fd, &st ); |
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return st.st_size; |
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} |
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/* |
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============ |
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LoadFile |
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============ |
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*/ |
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byte *LoadFile( const char *filename, off_t *size ) |
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{ |
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FILE *fp; |
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byte *buf; |
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fp = fopen( filename, "rb" ); |
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if( !fp ) |
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return NULL; |
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*size = GetSizeOfFile( fp ); |
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buf = malloc( *size ); |
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if( !buf ) |
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return NULL; |
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fread( buf, *size, 1, fp ); |
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fclose( fp ); |
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return buf; |
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} |
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