source/gles2rice/src/osal_files_win32.c

   1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
   2  *   Mupen64plus-core - osal_files_win32.c                                 *
   3  *   Mupen64Plus homepage: http://code.google.com/p/mupen64plus/           *
   4  *   Copyright (C) 2009 Richard Goedeken                                   *
   5  *                                                                         *
   6  *   This program is free software; you can redistribute it and/or modify  *
   7  *   it under the terms of the GNU General Public License as published by  *
   8  *   the Free Software Foundation; either version 2 of the License, or     *
   9  *   (at your option) any later version.                                   *
  10  *                                                                         *
  11  *   This program is distributed in the hope that it will be useful,       *
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  14  *   GNU General Public License for more details.                          *
  15  *                                                                         *
  16  *   You should have received a copy of the GNU General Public License     *
  17  *   along with this program; if not, write to the                         *
  18  *   Free Software Foundation, Inc.,                                       *
  19  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
  20  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  21
  22 /* This file contains the definitions for the unix-specific file handling
  23  * functions
  24  */
  25
  26 #include <windows.h>
  27 #include <sys/types.h>
  28 #include <sys/stat.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <stdio.h>
  32 #include <direct.h>
  33
  34 #include "osal_files.h"
  35
  36 /* global functions */
  37
  38 int osal_is_directory(const char* name)
  39 {
  40     char DirName[MAX_PATH + 1];
  41     int namelen = 0;
  42
  43     /* we must remove any trailing backslash on the end of the pathname, or this will fail */
  44     strncpy(DirName, name, MAX_PATH);
  45     DirName[MAX_PATH] = 0;
  46     namelen = strlen(DirName);
  47     if (namelen > 0 && DirName[namelen-1] == '\\')
  48         DirName[namelen-1] = 0;
  49     return (GetFileAttributes(DirName) & FILE_ATTRIBUTE_DIRECTORY);
  50 }
  51
  52 int osal_mkdirp(const char *dirpath, int mode)
  53 {
  54     struct _stat fileinfo;
  55     size_t dirpathlen = strlen(dirpath);
  56     char *currpath = _strdup(dirpath);
  57
  58     /* first, remove sub-dirs on the end (by replacing slashes with NULL chars) until we find an existing directory */
  59     while (strlen(currpath) > 1 && _stat(currpath, &fileinfo) != 0)
  60     {
  61         char *lastslash = strrchr(currpath, '\\');
  62         if (lastslash == NULL)
  63         {
  64             free(currpath);
  65             return 1; /* error: we never found an existing directory, this path is bad */
  66         }
  67         *lastslash = 0;
  68     }
  69
  70     /* then walk up the path chain, creating directories along the way */
  71     do
  72     {
  73         if (currpath[strlen(currpath)-1] != '\\' && _stat(currpath, &fileinfo) != 0)
  74         {
  75             if (_mkdir(currpath) != 0)
  76             {
  77                 free(currpath);
  78                 return 2;        /* mkdir failed */
  79             }
  80         }
  81         if (strlen(currpath) == dirpathlen)
  82             break;
  83         else
  84             currpath[strlen(currpath)] = '\\';
  85     } while (1);
  86
  87     free(currpath);
  88     return 0;
  89 }
  90
  91 typedef struct {
  92     HANDLE hFind;
  93     WIN32_FIND_DATA find_data;
  94 } dir_search_info;
  95
  96 void * osal_search_dir_open(const char *pathname)
  97 {
  98    char SearchString[MAX_PATH + 1];
  99    dir_search_info *pInfo = malloc(sizeof(dir_search_info));
 100
 101    if (pInfo == NULL)
 102        return NULL;
 103
 104    pInfo->hFind = INVALID_HANDLE_VALUE;
 105    pInfo->find_data.cFileName[0] = 0;
 106
 107    if (pathname[strlen(pathname)-1] == '\\')
 108        _snprintf(SearchString, MAX_PATH, "%s*", pathname);
 109    else
 110        _snprintf(SearchString, MAX_PATH, "%s\\*", pathname);
 111    SearchString[MAX_PATH] = 0;
 112
 113    pInfo->hFind = FindFirstFile(SearchString, &pInfo->find_data);
 114    return (void *) pInfo;
 115 }
 116
 117 const char *osal_search_dir_read_next(void * search_info)
 118 {
 119     static char last_filename[_MAX_PATH];
 120     dir_search_info *pInfo = (dir_search_info *) search_info;
 121
 122     if (pInfo == NULL || pInfo->hFind == INVALID_HANDLE_VALUE || pInfo->find_data.cFileName[0] == 0)
 123         return NULL;
 124
 125     strcpy(last_filename, pInfo->find_data.cFileName);
 126
 127     if (FindNextFile(pInfo->hFind, &pInfo->find_data) == 0)
 128     {
 129         pInfo->find_data.cFileName[0] = 0;
 130     }
 131
 132     return last_filename;
 133 }
 134
 135 void osal_search_dir_close(void * search_info)
 136 {
 137     dir_search_info *pInfo = (dir_search_info *) search_info;
 138
 139     if (pInfo != NULL)
 140     {
 141         if (pInfo->hFind != INVALID_HANDLE_VALUE)
 142             FindClose(pInfo->hFind);
 143         free(pInfo);
 144     }
 145 }