* Mini `cp' and `mv' implementation for BusyBox.
*
*
- * Copyright (C) 1999 by Lineo, inc.
+ * Copyright (C) 1999,2000,2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
* Copyright (C) 2000 by BitterSweet Enterprises, LLC. (GPL)
*
*/
-#include "internal.h"
-#define BB_DECLARE_EXTERN
-#define bb_need_name_too_long
-#define bb_need_omitting_directory
-#define bb_need_not_a_directory
-#include "messages.c"
-
#include <stdio.h>
#include <time.h>
#include <utime.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
+#include <getopt.h>
+#include <stdlib.h>
+#include "busybox.h"
+#define BB_DECLARE_EXTERN
+#define bb_need_name_too_long
+#define bb_need_omitting_directory
+#define bb_need_not_a_directory
+#include "messages.c"
+
-#define is_cp 0
-#define is_mv 1
+static const int is_cp = 0;
+static const int is_mv = 1;
static int dz_i; /* index into cp_mv_usage */
-static const char *dz; /* dollar zero, .bss */
-static const char *cp_mv_usage[] = /* .rodata */
-{
- "cp [OPTION]... SOURCE DEST\n"
- " or: cp [OPTION]... SOURCE... DIRECTORY\n"
-#ifndef BB_FEATURE_TRIVIAL_HELP
- "\nCopies SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.\n"
- "\n"
- "\t-a\tSame as -dpR\n"
- "\t-d\tPreserves links\n"
- "\t-p\tPreserves file attributes if possible\n"
- "\t-R\tCopies directories recursively\n"
-#endif
- ,
- "mv SOURCE DEST\n"
- " or: mv SOURCE... DIRECTORY\n"
-#ifndef BB_FEATURE_TRIVIAL_HELP
- "\nRename SOURCE to DEST, or move SOURCE(s) to DIRECTORY.\n"
-#endif
-};
+
static int recursiveFlag;
static int followLinks;
static int preserveFlag;
+static int forceFlag;
static const char *baseSrcName;
static int srcDirFlag;
static struct stat srcStatBuf;
-static char baseDestName[PATH_MAX + 1];
+static char *pBaseDestName;
static size_t baseDestLen;
static int destDirFlag;
static struct stat destStatBuf;
static
void name_too_long__exit (void)
{
- fprintf(stderr, name_too_long, dz);
- exit FALSE;
+ error_msg_and_die(name_too_long);
}
static void
if ((srcBasename = strrchr(baseSrcName, '/')) == NULL) {
srcBasename = baseSrcName;
if (_buf[*_buflen - 1] != '/') {
- if (++(*_buflen) > PATH_MAX)
+ if (++(*_buflen) > BUFSIZ)
name_too_long__exit();
strcat(_buf, "/");
}
}
- if (*_buflen + strlen(srcBasename) > PATH_MAX)
+ if (*_buflen + strlen(srcBasename) > BUFSIZ)
name_too_long__exit();
strcat(_buf, srcBasename);
return;
static int
cp_mv_Action(const char *fileName, struct stat *statbuf, void* junk)
{
- char destName[PATH_MAX + 1];
+ char destName[BUFSIZ + 1];
size_t destLen;
const char *srcBasename;
char *name;
- strcpy(destName, baseDestName);
+ strcpy(destName, pBaseDestName);
destLen = strlen(destName);
if (srcDirFlag == TRUE) {
if (recursiveFlag == FALSE) {
- fprintf(stderr, omitting_directory, dz, baseSrcName);
+ error_msg(omitting_directory, baseSrcName);
return TRUE;
}
srcBasename = (strstr(fileName, baseSrcName)
+ strlen(baseSrcName));
- if (destLen + strlen(srcBasename) > PATH_MAX) {
- fprintf(stderr, name_too_long, dz);
+ if (destLen + strlen(srcBasename) > BUFSIZ) {
+ error_msg(name_too_long);
return FALSE;
}
strcat(destName, srcBasename);
if (mv_Action_first_time && (dz_i == is_mv)) {
mv_Action_first_time = errno = 0;
if (rename(fileName, destName) < 0 && errno != EXDEV) {
- fprintf(stderr, "%s: rename(%s, %s): %s\n",
- dz, fileName, destName, strerror(errno));
+ perror_msg("rename(%s, %s)", fileName, destName);
goto do_copyFile; /* Try anyway... */
}
else if (errno == EXDEV)
if (preserveFlag == TRUE && statbuf->st_nlink > 1) {
if (is_in_ino_dev_hashtable(statbuf, &name)) {
if (link(name, destName) < 0) {
- fprintf(stderr, "%s: link(%s, %s): %s\n",
- dz, name, destName, strerror(errno));
+ perror_msg("link(%s, %s)", name, destName);
return FALSE;
}
return TRUE;
add_to_ino_dev_hashtable(statbuf, destName);
}
}
- return copyFile(fileName, destName, preserveFlag, followLinks);
+ return copy_file(fileName, destName, preserveFlag, followLinks, forceFlag);
}
static int
if (S_ISDIR(statbuf->st_mode)) {
if (rmdir(fileName) < 0) {
- fprintf(stderr, "%s: rmdir(%s): %s\n", dz, fileName, strerror(errno));
+ perror_msg("rmdir(%s)", fileName);
status = FALSE;
}
} else if (unlink(fileName) < 0) {
- fprintf(stderr, "%s: unlink(%s): %s\n", dz, fileName, strerror(errno));
+ perror_msg("unlink(%s)", fileName);
status = FALSE;
}
return status;
extern int cp_mv_main(int argc, char **argv)
{
- dz = *argv; /* already basename'd by busybox.c:main */
- if (*dz == 'c' && *(dz + 1) == 'p')
+ volatile int i;
+ int c;
+ RESERVE_BB_BUFFER(baseDestName,BUFSIZ + 1);
+ pBaseDestName = baseDestName; /* available globally */
+
+ if (*applet_name == 'c' && *(applet_name + 1) == 'p')
dz_i = is_cp;
else
dz_i = is_mv;
if (argc < 3)
- usage(cp_mv_usage[dz_i]);
- argc--;
- argv++;
+ show_usage();
if (dz_i == is_cp) {
- recursiveFlag = preserveFlag = FALSE;
+ recursiveFlag = preserveFlag = forceFlag = FALSE;
followLinks = TRUE;
- while (**argv == '-') {
- while (*++(*argv)) {
- switch (**argv) {
+ while ((c = getopt(argc, argv, "adpRf")) != EOF) {
+ switch (c) {
case 'a':
followLinks = FALSE;
preserveFlag = TRUE;
case 'R':
recursiveFlag = TRUE;
break;
+ case 'f':
+ forceFlag = TRUE;
+ break;
default:
- usage(cp_mv_usage[is_cp]);
+ show_usage();
}
- }
- argc--;
- argv++;
+ }
+ if ((argc - optind) < 2) {
+ show_usage();
}
} else { /* (dz_i == is_mv) */
+ /* Initialize optind to 1, since in libc5 optind
+ * is not initialized until getopt() is called
+ * (or until sneaky programmers force it...). */
+ optind = 1;
recursiveFlag = preserveFlag = TRUE;
followLinks = FALSE;
}
+
- if (strlen(argv[argc - 1]) > PATH_MAX) {
- fprintf(stderr, name_too_long, "cp");
+ if (strlen(argv[argc - 1]) > BUFSIZ) {
+ error_msg(name_too_long);
goto exit_false;
}
strcpy(baseDestName, argv[argc - 1]);
if (baseDestLen == 0)
goto exit_false;
- destDirFlag = isDirectory(baseDestName, TRUE, &destStatBuf);
- if ((argc > 3) && destDirFlag == FALSE) {
- fprintf(stderr, not_a_directory, "cp", baseDestName);
+ destDirFlag = is_directory(baseDestName, TRUE, &destStatBuf);
+ if (argc - optind > 2 && destDirFlag == FALSE) {
+ error_msg(not_a_directory, baseDestName);
goto exit_false;
}
- while (argc-- > 1) {
+ for (i = optind; i < (argc-1); i++) {
size_t srcLen;
volatile int flags_memo;
int status;
- baseSrcName = *(argv++);
+ baseSrcName=argv[i];
- if ((srcLen = strlen(baseSrcName)) > PATH_MAX)
+ if ((srcLen = strlen(baseSrcName)) > BUFSIZ)
name_too_long__exit();
if (srcLen == 0) continue; /* "" */
- srcDirFlag = isDirectory(baseSrcName, followLinks, &srcStatBuf);
+ srcDirFlag = is_directory(baseSrcName, followLinks, &srcStatBuf);
if ((flags_memo = (recursiveFlag == TRUE &&
srcDirFlag == TRUE && destDirFlag == TRUE))) {
int state = 0;
char *pushd, *d, *p;
- if ((pushd = getcwd(NULL, PATH_MAX + 1)) == NULL) {
- fprintf(stderr, "%s: getcwd(): %s\n", dz, strerror(errno));
+ if ((pushd = getcwd(NULL, BUFSIZ + 1)) == NULL) {
+ perror_msg("getcwd()");
continue;
}
if (chdir(baseDestName) < 0) {
- fprintf(stderr, "%s: chdir(%s): %s\n", dz, baseSrcName, strerror(errno));
+ perror_msg("chdir(%s)", baseSrcName);
continue;
}
- if ((d = getcwd(NULL, PATH_MAX + 1)) == NULL) {
- fprintf(stderr, "%s: getcwd(): %s\n", dz, strerror(errno));
+ if ((d = getcwd(NULL, BUFSIZ + 1)) == NULL) {
+ perror_msg("getcwd()");
continue;
}
while (!state && *d != '\0') {
if (stat(d, &sb) < 0) { /* stat not lstat - always dereference targets */
- fprintf(stderr, "%s: stat(%s) :%s\n", dz, d, strerror(errno));
+ perror_msg("stat(%s)", d);
state = -1;
continue;
}
if ((sb.st_ino == srcStatBuf.st_ino) &&
(sb.st_dev == srcStatBuf.st_dev)) {
- fprintf(stderr,
- "%s: Cannot %s `%s' "
- "into a subdirectory of itself, `%s/%s'\n",
- dz, dz, baseSrcName, baseDestName, baseSrcName);
+ error_msg("Cannot %s `%s' into a subdirectory of itself, "
+ "`%s/%s'", applet_name, baseSrcName,
+ baseDestName, baseSrcName);
state = -1;
continue;
}
}
}
if (chdir(pushd) < 0) {
- fprintf(stderr, "%s: chdir(%s): %s\n", dz, pushd, strerror(errno));
+ perror_msg("chdir(%s)", pushd);
free(pushd);
free(d);
continue;
status = setjmp(catch);
if (status == 0) {
mv_Action_first_time = 1;
- if (recursiveAction(baseSrcName,
+ if (recursive_action(baseSrcName,
recursiveFlag, followLinks, FALSE,
cp_mv_Action, cp_mv_Action, NULL) == FALSE) goto exit_false;
if (dz_i == is_mv &&
- recursiveAction(baseSrcName,
+ recursive_action(baseSrcName,
recursiveFlag, followLinks, TRUE,
rm_Action, rm_Action, NULL) == FALSE) goto exit_false;
}
if (flags_memo)
*(baseDestName + baseDestLen) = '\0';
}
-// exit_true:
- exit TRUE;
+ return EXIT_SUCCESS;
exit_false:
- exit FALSE;
+ return EXIT_FAILURE;
}
/*
projects / oweals / busybox.git / blobdiff