comparison: dav/system.c
dav/system.c
- changeset 410
- 0b9bea2d7283
- child 411
- a182e503617b
equal
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| 409:90a6d6952d83 | 410:0b9bea2d7283 |
|---|---|
| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2018 Olaf Wintermann. All rights reserved. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 26 * POSSIBILITY OF SUCH DAMAGE. | |
| 27 */ | |
| 28 | |
| 29 #include <stdio.h> | |
| 30 #include <stdlib.h> | |
| 31 #include <string.h> | |
| 32 #include <dirent.h> | |
| 33 | |
| 34 #include "system.h" | |
| 35 | |
| 36 void sys_freedirent(SysDirEnt *ent) { | |
| 37 free(ent->name); | |
| 38 free(ent); | |
| 39 } | |
| 40 | |
| 41 #ifndef _WIN32 | |
| 42 /* ---------- POSIX implementation ---------- */ | |
| 43 | |
| 44 SYS_DIR sys_opendir(const char *path) { | |
| 45 return opendir(path); | |
| 46 } | |
| 47 | |
| 48 SysDirEnt* sys_readdir(SYS_DIR dir) { | |
| 49 struct dirent *ent = readdir(dir); | |
| 50 if(ent) { | |
| 51 SysDirEnt *e = malloc(sizeof(SysDirEnt)); | |
| 52 e->name = strdup(ent->d_name); | |
| 53 return e; | |
| 54 } | |
| 55 return NULL; | |
| 56 } | |
| 57 | |
| 58 void sys_closedir(SYS_DIR dir) { | |
| 59 closedir(dir); | |
| 60 } | |
| 61 | |
| 62 FILE* sys_fopen(const char *path, const char *mode) { | |
| 63 return fopen(path, mode); | |
| 64 } | |
| 65 | |
| 66 int sys_stat(const char *path, SYS_STAT *s) { | |
| 67 return stat(path, s); | |
| 68 } | |
| 69 | |
| 70 | |
| 71 #else | |
| 72 /* ---------- Windows implementation ---------- */ | |
| 73 | |
| 74 static wchar_t* path2winpath(const char *path, int dir, int *newlen) { | |
| 75 size_t len = strlen(path); | |
| 76 size_t lenadd = dir ? 2 : 0; | |
| 77 | |
| 78 | |
| 79 wchar_t *wpath = calloc(len+lenadd, sizeof(wchar_t)); | |
| 80 int wlen = MultiByteToWideChar( | |
| 81 CP_UTF8, | |
| 82 0, | |
| 83 path, | |
| 84 len, | |
| 85 wpath, | |
| 86 len+1 | |
| 87 ); | |
| 88 if(newlen) { | |
| 89 *newlen = wlen; | |
| 90 } | |
| 91 for(int i=0;i<wlen;i++) { | |
| 92 if(wpath[i] == L'/') { | |
| 93 wpath[i] = L'\\'; | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 if(dir) { | |
| 98 if(wpath[wlen-1] != L'\\') { | |
| 99 wpath[wlen++] = L'\\'; | |
| 100 } | |
| 101 wpath[wlen++] = L'*'; | |
| 102 } | |
| 103 wpath[wlen] = 0; | |
| 104 | |
| 105 return wpath; | |
| 106 } | |
| 107 | |
| 108 SYS_DIR sys_opendir(const char *path) { | |
| 109 struct WinDir *dir = malloc(sizeof(struct WinDir)); | |
| 110 wchar_t *dirpath = path2winpath(path, TRUE, NULL); | |
| 111 if(!dirpath) { | |
| 112 fprintf(stderr, "Cannot convert path \"%s\" to UTF16\n", path); | |
| 113 free(dir); | |
| 114 return NULL; | |
| 115 } | |
| 116 dir->first = 1; | |
| 117 dir->handle = FindFirstFileW(dirpath, &dir->finddata); | |
| 118 free(dirpath); | |
| 119 if(dir->handle == INVALID_HANDLE_VALUE) { | |
| 120 free(dir); | |
| 121 return NULL; | |
| 122 } | |
| 123 return dir; | |
| 124 } | |
| 125 | |
| 126 SysDirEnt* sys_readdir(SYS_DIR dir) { | |
| 127 if(dir->first) { | |
| 128 dir->first = 0; | |
| 129 } else { | |
| 130 if(FindNextFileW(dir->handle, &dir->finddata) == 0) { | |
| 131 return NULL; | |
| 132 } | |
| 133 } | |
| 134 | |
| 135 size_t namelen = wcslen(dir->finddata.cFileName); | |
| 136 | |
| 137 char *name = malloc((namelen+1)*4); | |
| 138 int nlen = WideCharToMultiByte( | |
| 139 CP_UTF8, | |
| 140 0, | |
| 141 dir->finddata.cFileName, | |
| 142 -1, | |
| 143 name, | |
| 144 256, | |
| 145 NULL, | |
| 146 NULL); | |
| 147 if(nlen > 0) { | |
| 148 name[nlen] = 0; | |
| 149 SysDirEnt *ent = malloc(sizeof(SysDirEnt)); | |
| 150 ent->name = name; | |
| 151 return ent; | |
| 152 } else { | |
| 153 return NULL; | |
| 154 } | |
| 155 } | |
| 156 | |
| 157 void sys_closedir(SYS_DIR dir) { | |
| 158 FindClose(dir->handle); | |
| 159 free(dir); | |
| 160 } | |
| 161 | |
| 162 FILE* sys_fopen(const char *path, const char *mode) { | |
| 163 wchar_t *fpath = path2winpath(path, FALSE, NULL); | |
| 164 wchar_t *fmode = path2winpath(mode, FALSE, NULL); | |
| 165 | |
| 166 FILE *file = (fpath && fmode) ? _wfopen(fpath, fmode) : NULL; | |
| 167 free(fpath); | |
| 168 free(fmode); | |
| 169 return file; | |
| 170 } | |
| 171 | |
| 172 int sys_stat(const char *path, SYS_STAT *s) { | |
| 173 wchar_t *fpath = path2winpath(path, FALSE, NULL); | |
| 174 if(!fpath) { | |
| 175 fprintf(stderr, "Cannot convert path \"%s\" to UTF16\n", path); | |
| 176 return -1; | |
| 177 } | |
| 178 int ret = _wstat64(fpath, s); | |
| 179 free(fpath); | |
| 180 return ret; | |
| 181 } | |
| 182 | |
| 183 #endif |
