| 1 | /* On some systems, mkdir ("foo/", 0700) fails because of the trailing |
| 2 | slash. On those systems, this wrapper removes the trailing slash. |
| 3 | |
| 4 | Copyright (C) 2001, 2003, 2006, 2008-2020 Free Software Foundation, Inc. |
| 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 3 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, see <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | /* written by Jim Meyering */ |
| 20 | |
| 21 | #include <config.h> |
| 22 | |
| 23 | /* Specification. */ |
| 24 | #include <sys/stat.h> |
| 25 | |
| 26 | #include <errno.h> |
| 27 | #include <stdio.h> |
| 28 | #include <stdlib.h> |
| 29 | #include <string.h> |
| 30 | |
| 31 | #include "dirname.h" |
| 32 | |
| 33 | /* Disable the definition of mkdir to rpl_mkdir (from the <sys/stat.h> |
| 34 | substitute) in this file. Otherwise, we'd get an endless recursion. */ |
| 35 | #undef mkdir |
| 36 | |
| 37 | /* mingw's _mkdir() function has 1 argument, but we pass 2 arguments. |
| 38 | Additionally, it declares _mkdir (and depending on compile flags, an |
| 39 | alias mkdir), only in the nonstandard includes <direct.h> and <io.h>, |
| 40 | which are included in the <sys/stat.h> override. */ |
| 41 | #if defined _WIN32 && ! defined __CYGWIN__ |
| 42 | # define mkdir(name,mode) _mkdir (name) |
| 43 | # define maybe_unused _GL_UNUSED |
| 44 | #else |
| 45 | # define maybe_unused /* empty */ |
| 46 | #endif |
| 47 | |
| 48 | /* This function is required at least for NetBSD 1.5.2. */ |
| 49 | |
| 50 | int |
| 51 | rpl_mkdir (char const *dir, mode_t mode maybe_unused) |
| 52 | { |
| 53 | int ret_val; |
| 54 | char *tmp_dir; |
| 55 | size_t len = strlen (dir); |
| 56 | |
| 57 | if (len && dir[len - 1] == '/') |
| 58 | { |
| 59 | tmp_dir = strdup (dir); |
| 60 | if (!tmp_dir) |
| 61 | { |
| 62 | /* Rather than rely on strdup-posix, we set errno ourselves. */ |
| 63 | errno = ENOMEM; |
| 64 | return -1; |
| 65 | } |
| 66 | strip_trailing_slashes (tmp_dir); |
| 67 | } |
| 68 | else |
| 69 | { |
| 70 | tmp_dir = (char *) dir; |
| 71 | } |
| 72 | #if FUNC_MKDIR_DOT_BUG |
| 73 | /* Additionally, cygwin 1.5 mistakenly creates a directory "d/./". */ |
| 74 | { |
| 75 | char *last = last_component (tmp_dir); |
| 76 | if (*last == '.' && (last[1] == '\0' |
| 77 | || (last[1] == '.' && last[2] == '\0'))) |
| 78 | { |
| 79 | struct stat st; |
| 80 | if (stat (tmp_dir, &st) == 0) |
| 81 | errno = EEXIST; |
| 82 | return -1; |
| 83 | } |
| 84 | } |
| 85 | #endif /* FUNC_MKDIR_DOT_BUG */ |
| 86 | |
| 87 | ret_val = mkdir (tmp_dir, mode); |
| 88 | |
| 89 | if (tmp_dir != dir) |
| 90 | free (tmp_dir); |
| 91 | |
| 92 | return ret_val; |
| 93 | } |