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/* mkpath() -- Create all components leading up to a given directory
*
* Copyright (c) 2013 Joachim Nilsson <troglobit@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <errno.h>
#include <libgen.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
int mkpath(char *dir, mode_t mode)
{
if (!dir) {
errno = EINVAL;
return 1;
}
if (strlen(dir) == 1 && dir[0] == '/')
return 0;
mkpath(dirname(strdupa(dir)), mode);
return mkdir(dir, mode);
}
/**
* makepath - Create all components of the specified directory.
* @dir: Directory to create.
*
* Returns:
* POSIX OK (0) on success, otherwise -1 and errno set appropriately.
* This function returns EINVAL on bad argument, or ENOMEM when it
* fails allocating temporary memory. For other error codes see the
* mkdir() syscall description.
*/
int makepath(char *dir)
{
return mkpath(dir, 0777);
}
/********************************* UNIT TESTS ************************************/
#ifdef UNITTEST
#include "lite.h"
int checkpath(char *dir)
{
char tmp[256];
struct stat sb;
snprintf(tmp, sizeof(tmp), "ls -ld %s", dir);
if (system(tmp))
perror("system");
if (!stat(dir, &sb) && S_ISDIR(sb.st_mode))
return 0;
errno = ENOTDIR;
return 1;
}
int test_makepath(char *dir)
{
int ret = makepath(dir);
if (!ret)
ret = checkpath(dir);
if (ret)
perror("Failed");
return ret;
}
int main(void)
{
int i, ret = 0;
char *list[] = {
"/tmp/tok/",
"/tmp/tok2",
"/tmp/ab",
"/tmp/b",
"/tmp/a/",
"/tmp/a/b",
"/tmp/a/c/",
NULL
};
for (i = 0; list[i]; i++)
rmdir(list[i]);
printf("Testing makepath() ...\n");
for (i = 0; list[i] && !ret; i++)
ret = test_makepath(list[i]);
printf("\nCleaning up ...\n");
for (i = 0; list[i]; i++)
rmdir(list[i]);
return ret;
}
#endif /* UNITTEST */
/**
* Local Variables:
* compile-command: "make V=1 -f makepath.mk"
* version-control: t
* indent-tabs-mode: t
* c-file-style: "linux"
* End:
*/
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