Mercurial > code
annotate directory.c @ 162:3e63d94b495f
Forgot to add __cplusplus things
| author | David Demelier <markand@malikania.fr> |
|---|---|
| date | Mon, 03 Sep 2012 21:40:04 +0200 |
| parents | 54976019a5a8 |
| children |
| rev | line source |
|---|---|
| 150 | 1 /* |
| 2 * directory.c -- portable way to open directories | |
| 3 * | |
| 4 * Copyright (c) 2011, 2012 David Demelier <markand@malikania.fr> | |
| 5 * | |
| 6 * Permission to use, copy, modify, and/or distribute this software for any | |
| 7 * purpose with or without fee is hereby granted, provided that the above | |
| 8 * copyright notice and this permission notice appear in all copies. | |
| 9 * | |
| 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
| 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
| 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
| 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
| 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
| 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
| 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 17 */ | |
| 18 | |
| 19 #include <stdio.h> | |
| 20 #include <stdlib.h> | |
| 21 #include <string.h> | |
| 22 | |
| 23 #include "directory.h" | |
| 24 | |
| 25 #if defined(_WIN32) /* WINDOWS */ | |
| 26 | |
| 27 struct directory * | |
| 28 directory_open(const char *path) | |
| 29 { | |
| 30 WIN32_FIND_DATA fdata; | |
| 31 HANDLE h; | |
| 32 struct directory *res; | |
| 33 char respath[FILENAME_MAX + 1]; | |
| 34 | |
| 35 if (!(res = calloc(1, sizeof (struct directory)))) | |
| 36 return NULL; | |
| 37 | |
| 38 snprintf(respath, sizeof (respath), "%s/*", path); | |
| 39 | |
| 40 if ((h = FindFirstFile(respath, &fdata)) == INVALID_HANDLE_VALUE) { | |
| 41 free(res); | |
| 42 return NULL; | |
| 43 } | |
| 44 | |
| 45 do { | |
| 46 res->ents = realloc(res->ents, | |
| 47 sizeof (*res->ents) * (res->nents + 1)); | |
| 48 | |
| 49 /* Fail to reallocate */ | |
| 50 if (!res->ents) { | |
| 51 free(res); | |
| 52 res = NULL; | |
| 53 break; | |
| 54 } | |
| 55 | |
| 56 res->ents[res->nents].name = strdup(fdata.cFileName); | |
| 57 res->ents[res->nents].type = fdata.dwFileAttributes; | |
| 58 res->ents[res->nents++].length = strlen(fdata.cFileName); | |
| 59 } while (FindNextFile(h, &fdata) != 0); | |
| 60 | |
| 61 return res; | |
| 62 } | |
| 63 | |
| 64 const char * | |
| 65 directory_error(void) | |
| 66 { | |
| 67 static char msg[1024]; | |
| 68 DWORD num; | |
| 69 | |
| 70 num = GetLastError(); | |
| 71 | |
| 72 FormatMessage( | |
| 73 FORMAT_MESSAGE_FROM_SYSTEM | | |
| 74 FORMAT_MESSAGE_IGNORE_INSERTS, | |
| 75 NULL, | |
| 76 num, | |
| 77 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), | |
| 78 msg, | |
| 79 sizeof (msg), | |
| 80 NULL | |
| 81 ); | |
| 82 | |
| 83 return msg; | |
| 84 } | |
| 85 | |
| 86 #else /* UNIX */ | |
| 87 | |
| 88 # include <errno.h> | |
| 89 | |
| 90 struct directory * | |
| 91 directory_open(const char *path) | |
| 92 { | |
| 93 DIR *dp; | |
| 94 struct dirent *ent; | |
| 95 struct directory *res; | |
| 96 | |
| 97 if (!(res = calloc(1, sizeof (struct directory)))) | |
| 98 return NULL; | |
| 99 | |
| 100 if (!(dp = opendir(path))) { | |
| 101 free(res); | |
| 102 return NULL; | |
| 103 } | |
| 104 | |
| 105 while ((ent = readdir(dp))) { | |
| 106 res->ents = realloc(res->ents, | |
| 107 sizeof (*res->ents) * (res->nents + 1)); | |
| 108 | |
| 109 /* Fail to reallocate */ | |
| 110 if (!res->ents) { | |
| 111 free(res); | |
| 112 res = NULL; | |
| 113 break; | |
| 114 } | |
| 115 | |
| 116 res->ents[res->nents].name = strdup(ent->d_name); | |
| 117 res->ents[res->nents].type = ent->d_type; | |
| 118 res->ents[res->nents++].length = ent->d_namlen; | |
| 119 } | |
| 120 | |
| 121 (void)closedir(dp); | |
| 122 | |
| 123 return res; | |
| 124 } | |
| 125 | |
| 126 const char * | |
| 127 directory_error(void) | |
| 128 { | |
| 129 return strerror(errno); | |
| 130 } | |
| 131 | |
| 132 #endif | |
| 133 | |
| 134 void | |
| 135 directory_free(struct directory *dir) | |
| 136 { | |
| 137 int i; | |
| 138 | |
| 139 for (i = 0; i < dir->nents; ++i) | |
| 140 free(dir->ents[i].name); | |
| 141 | |
| 142 free(dir->ents); | |
| 143 free(dir); | |
|
152
54976019a5a8
Fix problem in pack where cv is set with uninitialized btyes
David Demelier <markand@malikania.fr>
parents:
150
diff
changeset
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144 } |