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Rewrote rm.

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This commit is contained in:
Matt Kraai 2001-04-24 20:04:18 +00:00
parent 9f0fedb8f6
commit 8810bdbba3
8 changed files with 197 additions and 221 deletions
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3
Makefile
View File

@ -247,7 +247,8 @@ parse_mode.c parse_number.c perror_msg.c perror_msg_and_die.c print_file.c \
process_escape_sequence.c read_package_field.c read_text_file_to_buffer.c \
recursive_action.c safe_read.c safe_strncpy.c seek_ared_file.c syscalls.c \
syslog_msg_with_name.c time_string.c trim.c untar.c unzip.c vdprintf.c \
verror_msg.c vperror_msg.c wfopen.c xfuncs.c xgetcwd.c xregcomp.c interface.c
verror_msg.c vperror_msg.c wfopen.c xfuncs.c xgetcwd.c xregcomp.c interface.c \
remove_file.c
LIBBB_OBJS=$(patsubst %.c,$(LIBBB)/%.o, $(LIBBB_CSRC))
LIBBB_CFLAGS = -I$(LIBBB)

17
coreutils/mv.c
View File

@ -32,20 +32,6 @@
static int flags;
static int remove_file(const char *path, struct stat *statbuf, void *junk)
{
if (unlink(path) < 0)
return FALSE;
return TRUE;
}
static int remove_directory(const char *path, struct stat *statbuf, void *junk)
{
if (rmdir(path) < 0)
return FALSE;
return TRUE;
}
static int manual_rename(const char *source, const char *dest)
{
struct stat source_stat;
@ -92,8 +78,7 @@ static int manual_rename(const char *source, const char *dest)
FILEUTILS_PRESERVE_SYMLINKS) < 0)
return -1;
if (!recursive_action(source, TRUE, FALSE, TRUE, remove_file,
remove_directory, NULL))
if (remove_file(source, FILEUTILS_RECUR | FILEUTILS_FORCE) < 0)
return -1;
return 0;

126
coreutils/rm.c
View File

@ -3,12 +3,8 @@
* Mini rm implementation for busybox
*
*
* Copyright (C) 1999,2000,2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
* Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
*
* INTERACTIVE feature Copyright (C) 2001 by Alcove
* written by Christophe Boyanique <Christophe.Boyanique@fr.alcove.com>
* for Ipanema Technologies
*
* 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
@ -36,103 +32,45 @@
#include <getopt.h>
#include "busybox.h"
static int recursiveFlag = FALSE;
static int forceFlag = FALSE;
#ifdef BB_FEATURE_RM_INTERACTIVE
static int interactiveFlag = FALSE;
#endif
static const char *srcName;
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
#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);
}
static int dirAction(const char *fileName, struct stat *statbuf, void* junk)
{
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);
}
extern int rm_main(int argc, char **argv)
{
int status = 0;
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) {
int flags = 0;
int i;
while ((opt = getopt(argc, argv, "fiRr")) != -1) {
switch (opt) {
case 'R':
case 'r':
recursiveFlag = TRUE;
break;
case 'f':
forceFlag = TRUE;
#ifdef BB_FEATURE_RM_INTERACTIVE
interactiveFlag = FALSE;
#endif
break;
#ifdef BB_FEATURE_RM_INTERACTIVE
case 'i':
interactiveFlag = TRUE;
forceFlag = FALSE;
break;
#endif
default:
show_usage();
case 'f':
flags &= ~FILEUTILS_INTERACTIVE;
flags |= FILEUTILS_FORCE;
break;
case 'i':
flags &= ~FILEUTILS_FORCE;
flags |= FILEUTILS_INTERACTIVE;
break;
case 'R':
case 'r':
flags |= FILEUTILS_RECUR;
break;
}
}
if (argc == optind && forceFlag == FALSE) {
if (!(flags & FILEUTILS_FORCE) && optind == argc)
show_usage();
for (i = optind; i < argc; i++) {
char *base = get_last_path_component(argv[i]);
if (strcmp(base, ".") == 0 || strcmp(base, "..") == 0) {
error_msg("cannot remove `.' or `..'");
status = 1;
continue;
}
if (remove_file(argv[i], flags) < 0)
status = 1;
}
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++;
}
return status;
}

1
include/libbb.h
View File

@ -93,6 +93,7 @@ int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
void reset_ino_dev_hashtable(void);
int remove_file(const char *path, int flags);
int copy_file(const char *source, const char *dest, int flags);
int copy_file_chunk(FILE *src_file, FILE *dst_file, unsigned long long chunksize);
char *buildName(const char *dirName, const char *fileName);

1
libbb/libbb.h
View File

@ -93,6 +93,7 @@ int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
void reset_ino_dev_hashtable(void);
int remove_file(const char *path, int flags);
int copy_file(const char *source, const char *dest, int flags);
int copy_file_chunk(FILE *src_file, FILE *dst_file, unsigned long long chunksize);
char *buildName(const char *dirName, const char *fileName);

127
libbb/remove_file.c Normal file
View File

@ -0,0 +1,127 @@
/* vi: set sw=4 ts=4: */
/*
* Mini remove_file implementation for busybox
*
*
* Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
*
*
* 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>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <getopt.h>
#include "libbb.h"
extern int remove_file(const char *path, int flags)
{
struct stat path_stat;
int path_exists = 1;
if (stat(path, &path_stat) < 0) {
if (errno != ENOENT) {
perror_msg("unable to stat `%s'", path);
return -1;
}
path_exists = 0;
}
if (!path_exists) {
if (!(flags & FILEUTILS_FORCE)) {
perror_msg("cannot remove `%s'", path);
return -1;
}
return 0;
}
if (S_ISDIR(path_stat.st_mode)) {
DIR *dp;
struct dirent *d;
int status = 0;
if (!(flags & FILEUTILS_RECUR)) {
error_msg("%s: is a directory", path);
return -1;
}
if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 &&
isatty(0)) ||
(flags & FILEUTILS_INTERACTIVE)) {
fprintf(stderr, "%s: descend into directory `%s'? ", applet_name,
path);
if (!ask_confirmation())
return 0;
}
if ((dp = opendir(path)) == NULL) {
perror_msg("unable to open `%s'", path);
return -1;
}
while ((d = readdir(dp)) != NULL) {
char *new_path;
if (strcmp(d->d_name, ".") == 0 ||
strcmp(d->d_name, "..") == 0)
continue;
new_path = concat_path_file(path, d->d_name);
if (remove_file(new_path, flags) < 0)
status = -1;
free(new_path);
}
if (closedir(dp) < 0) {
perror_msg("unable to close `%s'", path);
return -1;
}
if (flags & FILEUTILS_INTERACTIVE) {
fprintf(stderr, "%s: remove directory `%s'? ", applet_name, path);
if (!ask_confirmation())
return status;
}
if (rmdir(path) < 0) {
perror_msg("unable to remove `%s'", path);
return -1;
}
return status;
} else {
if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 &&
isatty(0)) ||
(flags & FILEUTILS_INTERACTIVE)) {
fprintf(stderr, "%s: remove `%s'? ", applet_name, path);
if (!ask_confirmation())
return 0;
}
if (unlink(path) < 0) {
perror_msg("unable to remove `%s'", path);
return -1;
}
return 0;
}
}

17
mv.c
View File

@ -32,20 +32,6 @@
static int flags;
static int remove_file(const char *path, struct stat *statbuf, void *junk)
{
if (unlink(path) < 0)
return FALSE;
return TRUE;
}
static int remove_directory(const char *path, struct stat *statbuf, void *junk)
{
if (rmdir(path) < 0)
return FALSE;
return TRUE;
}
static int manual_rename(const char *source, const char *dest)
{
struct stat source_stat;
@ -92,8 +78,7 @@ static int manual_rename(const char *source, const char *dest)
FILEUTILS_PRESERVE_SYMLINKS) < 0)
return -1;
if (!recursive_action(source, TRUE, FALSE, TRUE, remove_file,
remove_directory, NULL))
if (remove_file(source, FILEUTILS_RECUR | FILEUTILS_FORCE) < 0)
return -1;
return 0;

126
rm.c
View File

@ -3,12 +3,8 @@
* Mini rm implementation for busybox
*
*
* Copyright (C) 1999,2000,2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
* Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
*
* INTERACTIVE feature Copyright (C) 2001 by Alcove
* written by Christophe Boyanique <Christophe.Boyanique@fr.alcove.com>
* for Ipanema Technologies
*
* 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
@ -36,103 +32,45 @@
#include <getopt.h>
#include "busybox.h"
static int recursiveFlag = FALSE;
static int forceFlag = FALSE;
#ifdef BB_FEATURE_RM_INTERACTIVE
static int interactiveFlag = FALSE;
#endif
static const char *srcName;
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
#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);
}
static int dirAction(const char *fileName, struct stat *statbuf, void* junk)
{
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);
}
extern int rm_main(int argc, char **argv)
{
int status = 0;
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) {
int flags = 0;
int i;
while ((opt = getopt(argc, argv, "fiRr")) != -1) {
switch (opt) {
case 'R':
case 'r':
recursiveFlag = TRUE;
break;
case 'f':
forceFlag = TRUE;
#ifdef BB_FEATURE_RM_INTERACTIVE
interactiveFlag = FALSE;
#endif
break;
#ifdef BB_FEATURE_RM_INTERACTIVE
case 'i':
interactiveFlag = TRUE;
forceFlag = FALSE;
break;
#endif
default:
show_usage();
case 'f':
flags &= ~FILEUTILS_INTERACTIVE;
flags |= FILEUTILS_FORCE;
break;
case 'i':
flags &= ~FILEUTILS_FORCE;
flags |= FILEUTILS_INTERACTIVE;
break;
case 'R':
case 'r':
flags |= FILEUTILS_RECUR;
break;
}
}
if (argc == optind && forceFlag == FALSE) {
if (!(flags & FILEUTILS_FORCE) && optind == argc)
show_usage();
for (i = optind; i < argc; i++) {
char *base = get_last_path_component(argv[i]);
if (strcmp(base, ".") == 0 || strcmp(base, "..") == 0) {
error_msg("cannot remove `.' or `..'");
status = 1;
continue;
}
if (remove_file(argv[i], flags) < 0)
status = 1;
}
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++;
}
return status;
}