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/*
* Copyright (C) 2012 Lucas De Marchi <lucas.de.marchi@gmail.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "mkdir.h"
#include "testsuite.h"
TS_EXPORT int mkdir_p(const char *path, mode_t mode)
{
char *start = strdupa(path);
int len = strlen(path);
char *end = start + len;
struct stat st;
/*
* scan backwards, replacing '/' with '\0' while the component doesn't
* exist
*/
for (;;) {
if (stat(start, &st) >= 0) {
if (S_ISDIR(st.st_mode))
break;
return -ENOTDIR;
}
/* Find the next component, backwards, discarding extra '/'*/
for (; end != start && *end != '/'; end--)
;
for (; end != start - 1 && *end == '/'; end--)
;
end++;
if (end == start)
break;
*end = '\0';
}
if (end == start + len)
return 0;
for (; end < start + len;) {
*end = '/';
end += strlen(end);
if (mkdir(start, mode) < 0)
return -errno;
}
return 0;
}
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