busybox/coreutils/mkdir.c

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/* vi: set sw=4 ts=4: */
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/*
* Mini mkdir implementation for busybox
*
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*
* Copyright (C) 1999 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
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*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
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#include "internal.h"
#define bb_need_name_too_long
#define BB_DECLARE_EXTERN
#include "messages.c"
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#include <stdio.h>
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#include <errno.h>
#include <sys/param.h> /* for PATH_MAX */
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static const char mkdir_usage[] =
"mkdir [OPTION] DIRECTORY...\n\n"
"Create the DIRECTORY(ies), if they do not already exist\n\n"
"Options:\n"
"\t-m\tset permission mode (as in chmod), not rwxrwxrwx - umask\n"
"\t-p\tno error if existing, make parent directories as needed\n";
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static int parentFlag = FALSE;
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static mode_t mode = 0777;
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extern int mkdir_main(int argc, char **argv)
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{
int i = FALSE;
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argc--;
argv++;
/* Parse any options */
while (argc > 0 && **argv == '-') {
while (i == FALSE && *++(*argv)) {
switch (**argv) {
case 'm':
if (--argc == 0)
usage(mkdir_usage);
/* Find the specified modes */
mode = 0;
if (parse_mode(*(++argv), &mode) == FALSE) {
fprintf(stderr, "Unknown mode: %s\n", *argv);
exit FALSE;
}
/* Set the umask for this process so it doesn't
* screw up whatever the user just entered. */
umask(0);
i = TRUE;
break;
case 'p':
parentFlag = TRUE;
break;
default:
usage(mkdir_usage);
}
}
argc--;
argv++;
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}
if (argc < 1) {
usage(mkdir_usage);
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}
while (argc > 0) {
int status;
struct stat statBuf;
char buf[PATH_MAX + 1];
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if (strlen(*argv) > PATH_MAX - 1) {
fprintf(stderr, name_too_long, "mkdir");
exit FALSE;
}
strcpy(buf, *argv);
status = stat(buf, &statBuf);
if (parentFlag == FALSE && status != -1 && errno != ENOENT) {
fprintf(stderr, "%s: File exists\n", buf);
exit FALSE;
}
if (parentFlag == TRUE) {
strcat(buf, "/");
createPath(buf, mode);
} else {
if (mkdir(buf, mode) != 0 && parentFlag == FALSE) {
perror(buf);
exit FALSE;
}
}
argc--;
argv++;
}
exit TRUE;
}