mirror of
https://github.com/FWGS/xash3d-fwgs
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156 lines
2.5 KiB
C
156 lines
2.5 KiB
C
/*
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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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