| 1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
| 2 | * Mupen64plus-core - osal_files_unix.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 <sys/types.h> |
| 27 | #include <sys/stat.h> |
| 28 | #include <unistd.h> |
| 29 | #include <stdlib.h> |
| 30 | #include <string.h> |
| 31 | #include <stdio.h> |
| 32 | #include <dirent.h> |
| 33 | |
| 34 | #include "osal_files.h" |
| 35 | |
| 36 | /* global functions */ |
| 37 | |
| 38 | int osal_is_directory(const char* name) |
| 39 | { |
| 40 | DIR* dir; |
| 41 | dir = opendir(name); |
| 42 | if(dir != NULL) |
| 43 | { |
| 44 | closedir(dir); |
| 45 | return 1; |
| 46 | } |
| 47 | return 0; |
| 48 | } |
| 49 | |
| 50 | int osal_mkdirp(const char *dirpath, int mode) |
| 51 | { |
| 52 | struct stat fileinfo; |
| 53 | int dirpathlen = strlen(dirpath); |
| 54 | char *currpath = strdup(dirpath); |
| 55 | |
| 56 | /* first, break the path into pieces by replacing all of the slashes wil NULL chars */ |
| 57 | while (strlen(currpath) > 1) |
| 58 | { |
| 59 | char *lastslash = strrchr(currpath, '/'); |
| 60 | if (lastslash == NULL) |
| 61 | break; |
| 62 | *lastslash = 0; |
| 63 | } |
| 64 | |
| 65 | /* then re-assemble the path from left to right until we get to a directory that doesn't exist */ |
| 66 | while (strlen(currpath) < dirpathlen) |
| 67 | { |
| 68 | if (strlen(currpath) > 0 && stat(currpath, &fileinfo) != 0) |
| 69 | break; |
| 70 | currpath[strlen(currpath)] = '/'; |
| 71 | } |
| 72 | |
| 73 | /* then walk up the path chain, creating directories along the way */ |
| 74 | do |
| 75 | { |
| 76 | if (stat(currpath, &fileinfo) != 0) |
| 77 | { |
| 78 | if (mkdir(currpath, mode) != 0) |
| 79 | { |
| 80 | free(currpath); |
| 81 | return 1; /* mkdir failed */ |
| 82 | } |
| 83 | } |
| 84 | if (strlen(currpath) == dirpathlen) |
| 85 | break; |
| 86 | else |
| 87 | currpath[strlen(currpath)] = '/'; |
| 88 | } while (1); |
| 89 | |
| 90 | free(currpath); |
| 91 | return 0; |
| 92 | } |
| 93 | |
| 94 | void * osal_search_dir_open(const char *pathname) |
| 95 | { |
| 96 | DIR *dir; |
| 97 | dir = opendir(pathname); |
| 98 | return dir; |
| 99 | } |
| 100 | |
| 101 | const char *osal_search_dir_read_next(void * dir_handle) |
| 102 | { |
| 103 | DIR *dir = (DIR *) dir_handle; |
| 104 | struct dirent *entry; |
| 105 | |
| 106 | entry = readdir(dir); |
| 107 | if (entry == NULL) |
| 108 | return NULL; |
| 109 | return entry->d_name; |
| 110 | } |
| 111 | |
| 112 | void osal_search_dir_close(void * dir_handle) |
| 113 | { |
| 114 | closedir((DIR *) dir_handle); |
| 115 | } |
| 116 | |