+/* vi: set sw=4 ts=4: */
/*
* Mini cp implementation for busybox
*
*
- * Copyright (C) 1999 by Lineo, inc.
- * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ * Copyright (C) 2000 by 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
*
*/
-#include "internal.h"
-#include <stdio.h>
-#include <time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
#include <utime.h>
+#include <errno.h>
#include <dirent.h>
+#include <stdlib.h>
-static const char cp_usage[] = "cp [OPTION]... SOURCE DEST\n"
- " or: cp [OPTION]... SOURCE... DIRECTORY\n\n"
- "Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.\n"
- "\n"
- "\t-a\tsame as -dpR\n"
- "\t-d\tpreserve links\n"
- "\t-p\tpreserve file attributes if possible\n"
- "\t-R\tcopy directories recursively\n";
-
-
-static int recursiveFlag = FALSE;
-static int followLinks = FALSE;
-static int preserveFlag = FALSE;
-static const char *srcName;
-static const char *destName;
-static int destDirFlag = FALSE;
-static int srcDirFlag = FALSE;
-
-static int fileAction(const char *fileName, struct stat* statbuf)
-{
- char newdestName[NAME_MAX];
-
- strcpy(newdestName, destName);
- if ( srcDirFlag == TRUE ) {
- if (recursiveFlag!=TRUE ) {
- fprintf(stderr, "cp: %s: omitting directory\n", srcName);
- return( TRUE);
- }
- strcat(newdestName, strstr(fileName, srcName) + strlen(srcName));
- }
-
- if (destDirFlag==TRUE && srcDirFlag == FALSE) {
- if (newdestName[strlen(newdestName)-1] != '/' ) {
- strcat(newdestName, "/");
- }
- strcat(newdestName, srcName);
- }
-
- return (copyFile(fileName, newdestName, preserveFlag, followLinks));
-}
+#include "busybox.h"
extern int cp_main(int argc, char **argv)
{
- if (argc < 3) {
- usage (cp_usage);
- }
- argc--;
- argv++;
+ int status = 0;
+ int opt;
+ int flags = FILEUTILS_DEREFERENCE;
+ int i;
- /* Parse any options */
- while (**argv == '-') {
- while (*++(*argv))
- switch (**argv) {
- case 'a':
- followLinks = TRUE;
- preserveFlag = TRUE;
- recursiveFlag = TRUE;
- break;
- case 'd':
- followLinks = TRUE;
- break;
- case 'p':
- preserveFlag = TRUE;
- break;
- case 'R':
- recursiveFlag = TRUE;
- break;
- default:
- usage (cp_usage);
- }
- argc--;
- argv++;
- }
+ while ((opt = getopt(argc, argv, "adfipR")) != -1)
+ switch (opt) {
+ case 'a':
+ flags |= FILEUTILS_PRESERVE_STATUS | FILEUTILS_RECUR;
+ /* fallthrough */
+ case 'd':
+ flags &= ~FILEUTILS_DEREFERENCE;
+ break;
+ case 'f':
+ flags |= FILEUTILS_FORCE;
+ break;
+ case 'i':
+ flags |= FILEUTILS_INTERACTIVE;
+ break;
+ case 'p':
+ flags |= FILEUTILS_PRESERVE_STATUS;
+ break;
+ case 'R':
+ flags |= FILEUTILS_RECUR;
+ break;
+ default:
+ show_usage();
+ }
+
+ if (optind + 2 > argc)
+ show_usage();
+ /* If there are only two arguments and... */
+ if (optind + 2 == argc) {
+ struct stat source_stat;
+ struct stat dest_stat;
+ int source_exists = 1;
+ int dest_exists = 1;
- destName = argv[argc - 1];
- destDirFlag = isDirectory(destName);
+ if ((!(flags & FILEUTILS_DEREFERENCE) &&
+ lstat(argv[optind], &source_stat) < 0) ||
+ ((flags & FILEUTILS_DEREFERENCE) &&
+ stat(argv[optind], &source_stat))) {
+ if (errno != ENOENT)
+ perror_msg_and_die("unable to stat `%s'", argv[optind]);
+ source_exists = 0;
+ }
- if ((argc > 3) && destDirFlag==FALSE) {
- fprintf(stderr, "%s: not a directory\n", destName);
- exit (FALSE);
- }
+ if (stat(argv[optind + 1], &dest_stat) < 0) {
+ if (errno != ENOENT)
+ perror_msg_and_die("unable to stat `%s'", argv[optind + 1]);
+ dest_exists = 0;
+ }
+
+ /* ...if neither is a directory or... */
+ if (((!source_exists || !S_ISDIR(source_stat.st_mode)) &&
+ (!dest_exists || !S_ISDIR(dest_stat.st_mode))) ||
+ /* ...recursing, the first is a directory, and the
+ * second doesn't exist, then... */
+ ((flags & FILEUTILS_RECUR) && S_ISDIR(source_stat.st_mode) &&
+ !dest_exists)) {
+ /* ...do a simple copy. */
+ if (copy_file(argv[optind], argv[optind + 1], flags) < 0)
+ status = 1;
+ return status;
+ }
+ }
- while (argc-- > 1) {
- srcName = *(argv++);
- srcDirFlag = isDirectory(srcName);
- if (recursiveAction(srcName, recursiveFlag, followLinks, FALSE,
- fileAction, fileAction) == FALSE) {
- exit( FALSE);
+ for (i = optind; i < argc - 1; i++) {
+ char *dest = concat_path_file(argv[argc - 1],
+ get_last_path_component(argv[i]));
+ if (copy_file(argv[i], dest, flags) < 0)
+ status = 1;
+ free(dest);
}
- }
- exit( TRUE);
+
+ return status;
}