busybox/rm.c

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/* vi: set sw=4 ts=4: */
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/*
* Mini rm implementation for busybox
*
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*
* Copyright (C) 1999,2000,2001 by Lineo, inc.
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* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
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*
* INTERACTIVE feature Copyright (C) 2001 by Alcove
* written by Christophe Boyanique <Christophe.Boyanique@fr.alcove.com>
* for Ipanema Technologies
*
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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
*
*/
#include <stdio.h>
#include <time.h>
#include <utime.h>
#include <dirent.h>
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#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <getopt.h>
#include "busybox.h"
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static int recursiveFlag = FALSE;
static int forceFlag = FALSE;
#ifdef BB_FEATURE_RM_INTERACTIVE
static int interactiveFlag = FALSE;
#endif
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static const char *srcName;
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static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
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{
#ifdef BB_FEATURE_RM_INTERACTIVE
if (interactiveFlag == TRUE) {
printf("rm: remove `%s'? ", fileName);
if (ask_confirmation() == 0)
return (TRUE);
}
#endif
if (unlink(fileName) < 0) {
perror_msg("%s", fileName);
return (FALSE);
}
return (TRUE);
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}
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static int dirAction(const char *fileName, struct stat *statbuf, void* junk)
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{
if (recursiveFlag == FALSE) {
errno = EISDIR;
perror_msg("%s", fileName);
return (FALSE);
}
#ifdef BB_FEATURE_RM_INTERACTIVE
if (interactiveFlag == TRUE) {
printf("rm: remove directory `%s'? ", fileName);
if (ask_confirmation() == 0)
return (TRUE);
}
#endif
if (rmdir(fileName) < 0) {
perror_msg("%s", fileName);
return (FALSE);
}
return (TRUE);
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}
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extern int rm_main(int argc, char **argv)
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{
int opt;
int status = EXIT_SUCCESS;
struct stat statbuf;
/* do normal option parsing */
while ((opt = getopt(argc, argv, "Rrf-"
#ifdef BB_FEATURE_RM_INTERACTIVE
"i"
#endif
)) > 0) {
switch (opt) {
case 'R':
case 'r':
recursiveFlag = TRUE;
break;
case 'f':
forceFlag = TRUE;
break;
#ifdef BB_FEATURE_RM_INTERACTIVE
case 'i':
interactiveFlag = TRUE;
#endif
break;
default:
show_usage();
}
}
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if (argc == optind && forceFlag == FALSE) {
show_usage();
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}
#ifdef BB_FEATURE_RM_INTERACTIVE
if (forceFlag == TRUE)
interactiveFlag = FALSE;
#endif
while (optind < argc) {
srcName = argv[optind];
if (forceFlag == TRUE && lstat(srcName, &statbuf) != 0
&& errno == ENOENT) {
/* do not reports errors for non-existent files if -f, just skip them */
} else {
if (recursive_action(srcName, recursiveFlag, FALSE,
TRUE, fileAction, dirAction, NULL) == FALSE) {
status = EXIT_FAILURE;
}
}
optind++;
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}
return status;
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}