[3611] | 1 | /* On some systems, mkdir ("foo/", 0700) fails because of the trailing
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| 2 | slash. On those systems, this wrapper removes the trailing slash.
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| 3 |
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| 4 | Copyright (C) 2001, 2003, 2006, 2008-2022 Free Software Foundation, Inc.
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| 5 |
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| 6 | This file is free software: you can redistribute it and/or modify
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| 7 | it under the terms of the GNU Lesser General Public License as
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| 8 | published by the Free Software Foundation; either version 2.1 of the
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| 9 | License, or (at your option) any later version.
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| 10 |
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| 11 | This file is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU Lesser General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU Lesser General Public License
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| 17 | along with this program. If not, see <https://www.gnu.org/licenses/>. */
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| 18 |
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| 19 | /* written by Jim Meyering */
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| 20 |
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| 21 | #include <config.h>
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| 22 |
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| 23 | /* Specification. */
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| 24 | #include <sys/stat.h>
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| 25 |
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| 26 | #include <errno.h>
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| 27 | #include <stdio.h>
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| 28 | #include <stdlib.h>
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| 29 | #include <string.h>
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| 30 |
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| 31 | #include "dirname.h"
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| 32 |
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| 33 | /* Disable the definition of mkdir to rpl_mkdir (from the <sys/stat.h>
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| 34 | substitute) in this file. Otherwise, we'd get an endless recursion. */
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| 35 | #undef mkdir
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| 36 |
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| 37 | /* mingw's _mkdir() function has 1 argument, but we pass 2 arguments.
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| 38 | Additionally, it declares _mkdir (and depending on compile flags, an
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| 39 | alias mkdir), only in the nonstandard includes <direct.h> and <io.h>,
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| 40 | which are included in the <sys/stat.h> override. */
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| 41 | #if defined _WIN32 && ! defined __CYGWIN__
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| 42 | # define mkdir(name,mode) _mkdir (name)
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| 43 | # define maybe_unused _GL_UNUSED
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| 44 | #else
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| 45 | # define maybe_unused /* empty */
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| 46 | #endif
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| 47 |
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| 48 | /* This function is required at least for NetBSD 1.5.2. */
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| 49 |
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| 50 | int
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| 51 | rpl_mkdir (char const *dir, maybe_unused mode_t mode)
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| 52 | {
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| 53 | int ret_val;
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| 54 | char *tmp_dir;
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| 55 | size_t len = strlen (dir);
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| 56 |
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| 57 | if (len && dir[len - 1] == '/')
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| 58 | {
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| 59 | tmp_dir = strdup (dir);
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| 60 | if (!tmp_dir)
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| 61 | {
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| 62 | /* Rather than rely on strdup-posix, we set errno ourselves. */
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| 63 | errno = ENOMEM;
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| 64 | return -1;
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| 65 | }
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| 66 | strip_trailing_slashes (tmp_dir);
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| 67 | }
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| 68 | else
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| 69 | {
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| 70 | tmp_dir = (char *) dir;
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| 71 | }
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| 72 | #if FUNC_MKDIR_DOT_BUG
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| 73 | /* Additionally, cygwin 1.5 mistakenly creates a directory "d/./". */
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| 74 | {
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| 75 | char *last = last_component (tmp_dir);
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| 76 | if (*last == '.' && (last[1] == '\0'
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| 77 | || (last[1] == '.' && last[2] == '\0')))
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| 78 | {
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| 79 | struct stat st;
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| 80 | if (stat (tmp_dir, &st) == 0 || errno == EOVERFLOW)
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| 81 | errno = EEXIST;
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| 82 | return -1;
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| 83 | }
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| 84 | }
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| 85 | #endif /* FUNC_MKDIR_DOT_BUG */
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| 86 |
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| 87 | ret_val = mkdir (tmp_dir, mode);
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| 88 |
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| 89 | if (tmp_dir != dir)
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| 90 | free (tmp_dir);
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| 91 |
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| 92 | return ret_val;
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| 93 | }
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