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71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/*
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* Copyright (C) 2012 Lucas De Marchi <lucas.de.marchi@gmail.com
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <errno.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include "mkdir.h"
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#include "testsuite.h"
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TS_EXPORT int mkdir_p(const char *path, mode_t mode)
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{
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char *start = strdupa(path);
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int len = strlen(path);
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char *end = start + len;
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struct stat st;
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/*
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* scan backwards, replacing '/' with '\0' while the component doesn't
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* exist
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*/
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for (;;) {
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if (stat(start, &st) >= 0) {
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if (S_ISDIR(st.st_mode))
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break;
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return -ENOTDIR;
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}
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/* Find the next component, backwards, discarding extra '/'*/
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for (; end != start && *end != '/'; end--)
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;
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for (; end != start - 1 && *end == '/'; end--)
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;
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end++;
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if (end == start)
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break;
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*end = '\0';
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}
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if (end == start + len)
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return 0;
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for (; end < start + len;) {
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*end = '/';
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end += strlen(end);
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if (mkdir(start, mode) < 0)
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return -errno;
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}
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return 0;
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}
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