utils/src/mkdir.c

117 lines
2.6 KiB
C

/* $Id$ */
/* Copyright (c) 2007 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Unix utils */
/* utils is not free software; you can redistribute it and/or modify it under
* the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0
* Unported as published by the Creative Commons organization.
*
* utils 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 Creative Commons Attribution-NonCommercial-
* ShareAlike 3.0 Unported license for more details.
*
* You should have received a copy of the Creative Commons Attribution-
* NonCommercial-ShareAlike 3.0 along with utils; if not, browse to
* http://creativecommons.org/licenses/by-nc-sa/3.0/ */
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#define COMMON_MODE
#include "common.c"
/* mkdir */
static int _mkdir_error(char * message, int ret);
static int _mkdir_p(mode_t mode, char * pathname);
static int _mkdir(int flagp, mode_t mode, int argc, char * argv[])
{
int res = 0;
int i;
for(i = 0; i < argc; i++)
{
if(flagp == 1)
{
if(_mkdir_p(mode, argv[i]) != 0)
res = 2;
}
else if(mkdir(argv[i], mode) != 0)
res = _mkdir_error(argv[i], 2);
}
return res;
}
static int _mkdir_error(char * message, int ret)
{
fputs("mkdir: ", stderr);
perror(message);
return ret;
}
static int _mkdir_p(mode_t mode, char * pathname)
{
char * p;
struct stat st;
if(pathname[0] == '\0')
return 1;
for(p = &pathname[1]; *p != '\0'; p++)
{
if(*p != '/')
continue;
*p = '\0';
if(!(stat(pathname, &st) == 0 && S_ISDIR(st.st_mode))
&& mkdir(pathname, mode) == -1)
return _mkdir_error(pathname, 1);
for(*p++ = '/'; *p == '/'; p++);
if(*p == '\0')
return 0;
}
if(!(stat(pathname, &st) == 0 && S_ISDIR(st.st_mode))
&& mkdir(pathname, mode) == -1)
return _mkdir_error(pathname, 1);
return 0;
}
/* usage */
static int _usage(void)
{
fputs("Usage: mkdir [-p][-m mode] dir...\n\
-p create any missing intermediate pathname components\n\
-m file permission bits of the newly-created directory\n", stderr);
return 1;
}
/* main */
int main(int argc, char * argv[])
{
mode_t mode = 0777;
int flagp = 0;
int o;
while((o = getopt(argc, argv, "pm:")) != -1)
switch(o)
{
case 'm':
if(_mode(optarg, &mode) != 0)
return _usage();
break;
case 'p':
flagp = 1;
break;
default:
return _usage();
}
if(argc == optind)
return _usage();
return _mkdir(flagp, mode, argc - optind, &argv[optind]);
}