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/* mkdir.c - Make directories
*
* Copyright 2012 Georgi Chorbadzhiyski <georgi@unixsol.org>
*
* See http://opengroup.org/onlinepubs/9699919799/utilities/mkdir.html
USE_MKDIR(NEWTOY(mkdir, "<1pm:", TOYFLAG_BIN|TOYFLAG_UMASK))
config MKDIR
bool "mkdir"
default y
help
usage: mkdir [-p] [-m mode] [dirname...]
Create one or more directories.
-p make parent directories as needed.
-m set permissions of directory to mode.
*/
#define FOR_mkdir
#include "toys.h"
GLOBALS(
char *arg_mode;
mode_t mode;
)
static int do_mkdir(char *dir)
{
struct stat buf;
char *s;
// mkdir -p one/two/three is not an error if the path already exists,
// but is if "three" is a file. The others we dereference and catch
// not-a-directory along the way, but the last one we must explicitly
// test for. Might as well do it up front.
if (!stat(dir, &buf) && !S_ISDIR(buf.st_mode)) {
errno = EEXIST;
return 1;
}
for (s=dir; ; s++) {
char save=0;
mode_t mode = 0777&~toys.old_umask;
// Skip leading / of absolute paths.
if (s!=dir && *s == '/' && (toys.optflags&FLAG_p)) {
save = *s;
*s = 0;
} else if (*s) continue;
// Use the mode from the -m option only for the last directory.
if (save == '/') mode |= 0300;
else if (toys.optflags&FLAG_m) mode = TT.mode;
if (mkdir(dir, mode)<0 && (!(toys.optflags&FLAG_p) || errno != EEXIST))
return 1;
if (!(*s = save)) break;
}
return 0;
}
void mkdir_main(void)
{
char **s;
if(toys.optflags&FLAG_m) TT.mode = string_to_mode(TT.arg_mode, 0777);
for (s=toys.optargs; *s; s++) if (do_mkdir(*s)) perror_msg("'%s'", *s);
}
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