+/*
+ * Mini cp implementation for busybox
+ *
+ *
+ * Copyright (C) 1999 by Lineo, inc.
+ * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ *
+ * 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 "internal.h"
#include <stdio.h>
-#include <sys/stat.h>
-#include <sys/fcntl.h>
-#include <sys/param.h>
-#include <errno.h>
+#include <time.h>
+#include <utime.h>
+#include <dirent.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 possable\n"
+ "\t-R\tcopy directories recursively\n";
+
-const char cp_usage[] = "cp [-r] source-file destination-file\n"
-"\t\tcp [-r] source-file [source-file ...] destination-directory\n"
-"\n"
-"\tCopy the source files to the destination.\n"
-"\n"
-"\t-r:\tRecursively copy all files and directories\n"
-"\t\tunder the argument directory.";
+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 destExistsFlag = FALSE;
+static int srcDirFlag = FALSE;
-extern int
-cp_fn(const struct FileInfo * i)
+static int fileAction(const char *fileName, struct stat* statbuf)
{
- int sourceFd;
- int destinationFd;
- const char * destination = i->destination;
- struct stat destination_stat;
- int status;
- char buf[8192];
- char d[PATH_MAX];
+ char newdestName[NAME_MAX];
- if ( (i->stat.st_mode & S_IFMT) == S_IFDIR ) {
- if ( mkdir(destination, i->stat.st_mode & ~S_IFMT)
- != 0 && errno != EEXIST ) {
- name_and_error(destination);
- return 1;
- }
- return 0;
+ 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);
}
- if ( (sourceFd = open(i->source, O_RDONLY)) < 0 ) {
- name_and_error(i->source);
- return 1;
- }
- if ( stat(destination, &destination_stat) == 0 ) {
- if ( i->stat.st_ino == destination_stat.st_ino
- && i->stat.st_dev == destination_stat.st_dev ) {
- fprintf(stderr
- ,"copy of %s to %s would copy file to itself.\n"
- ,i->source
- ,destination);
- close(sourceFd);
- return 1;
- }
+
+ return (copyFile(fileName, newdestName, preserveFlag, followLinks));
+}
+
+extern int cp_main(int argc, char **argv)
+{
+ struct stat statBuf;
+
+ if (argc < 3) {
+ usage (cp_usage);
}
- /*
- * If the destination is a directory, create a file within it.
- */
- if ( (destination_stat.st_mode & S_IFMT) == S_IFDIR ) {
- destination = join_paths(
- d
- ,i->destination
- ,&i->source[i->directoryLength]);
+ argc--;
+ argv++;
- if ( stat(destination, &destination_stat) == 0 ) {
- if ( i->stat.st_ino == destination_stat.st_ino
- && i->stat.st_dev == destination_stat.st_dev ) {
- fprintf(stderr
- ,"copy of %s to %s would copy file to itself.\n"
- ,i->source
- ,destination);
- close(sourceFd);
- return 1;
- }
- }
+ /* 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++;
}
- destinationFd = creat(destination, i->stat.st_mode & 07777);
- while ( (status = read(sourceFd, buf, sizeof(buf))) > 0 ) {
- if ( write(destinationFd, buf, status) != status ) {
- name_and_error(destination);
- close(sourceFd);
- close(destinationFd);
- return 1;
- }
+ destName = argv[argc - 1];
+ if (stat(destName, &statBuf) >= 0) {
+ destExistsFlag = TRUE;
+ if (S_ISDIR(statBuf.st_mode))
+ destDirFlag = TRUE;
}
- close(sourceFd);
- close(destinationFd);
- if ( status < 0 ) {
- name_and_error(i->source);
- return 1;
+
+ if ((argc > 3) && destDirFlag==FALSE) {
+ fprintf(stderr, "%s: not a directory\n", destName);
+ exit (FALSE);
+ }
+
+ while (argc-- > 1) {
+ srcName = *(argv++);
+ srcDirFlag = isDirectory(srcName);
+ if (recursiveAction(srcName, recursiveFlag, followLinks, FALSE,
+ fileAction, fileAction) == FALSE) {
+ exit( FALSE);
+ }
}
- return 0;
+ exit( TRUE);
}
projects / oweals / busybox.git / blobdiff