/* See LICENSE file for copyright and license details. */
#include <sys/stat.h>

#include <errno.h>
#include <stdlib.h>

#include "util.h"

static int
mkdirp(char *path)
{
	char *p;

	for (p = path + (*path == '/'); *p; p++) {
		if (*p != '/')
			continue;
		*p = '\0';
		if (mkdir(path, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) {
			weprintf("mkdir %s:", path);
			*p = '/';
			return -1;
		}
		*p = '/';
	}
	if (mkdir(path, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) {
		weprintf("mkdir %s:", path);
		return -1;
	}
	return 0;
}

static void
usage(void)
{
	eprintf("usage: %s [-p] [-m mode] name ...\n", argv0);
}

int
main(int argc, char *argv[])
{
	mode_t mode = 0, mask;
	int pflag = 0, mflag = 0, ret = 0;

	ARGBEGIN {
	case 'p':
		pflag = 1;
		break;
	case 'm':
		mflag = 1;
		mask = getumask();
		mode = parsemode(EARGF(usage()), mode, mask);
		break;
	default:
		usage();
	} ARGEND;

	if (!argc)
		usage();

	for (; *argv; argc--, argv++) {
		if (pflag) {
			if (mkdirp(*argv) < 0)
				ret = 1;
		} else if (mkdir(*argv, S_IRWXU | S_IRWXG | S_IRWXO) < 0 &&
		           errno != EEXIST) {
				weprintf("mkdir %s:", *argv);
				ret = 1;
		}
		if (mflag && chmod(*argv, mode) < 0) {
			weprintf("chmod %s:", *argv);
			ret = 1;
		}
	}

	return ret;
}