1 files changed, 119 insertions, 0 deletions
diff --git a/busybox/coreutils/cp.c b/busybox/coreutils/cp.c
new file mode 100644
index 0000000..6a82f6b
--- /dev/null
+++ b/busybox/coreutils/cp.c
@@ -0,0 +1,119 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini cp implementation for busybox
+ *
+ * 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
+ * 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
+ *
+ */
+
+/* BB_AUDIT SUSv3 defects - unsupported options -H, -L, and -P. */
+/* BB_AUDIT GNU defects - only extension options supported are -a and -d.  */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/cp.html */
+
+/* Mar 16, 2003      Manuel Novoa III   (mjn3@codepoet.org)
+ *
+ * Size reduction.
+ */
+
+#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>
+#include <assert.h>
+#include "busybox.h"
+#include "libcoreutils/coreutils.h"
+
+/* WARNING!! ORDER IS IMPORTANT!! */
+static const char cp_opts[] = "pdRfiar";
+
+extern int cp_main(int argc, char **argv)
+{
+	struct stat source_stat;
+	struct stat dest_stat;
+	const char *last;
+	const char *dest;
+	int s_flags;
+	int d_flags;
+	int flags;
+	int status = 0;
+
+	/* Since these are enums, #if tests will not work.  So use assert()s. */
+	assert(FILEUTILS_PRESERVE_STATUS == 1);
+	assert(FILEUTILS_DEREFERENCE == 2);
+	assert(FILEUTILS_RECUR == 4);
+	assert(FILEUTILS_FORCE == 8);
+	assert(FILEUTILS_INTERACTIVE == 16);
+
+	flags = bb_getopt_ulflags(argc, argv, cp_opts);
+
+	if (flags & 32) {
+		flags |= (FILEUTILS_PRESERVE_STATUS | FILEUTILS_RECUR | FILEUTILS_DEREFERENCE);
+	}
+	if (flags & 64) {
+		/* Make -r a synonym for -R,
+		 * -r was marked as obsolete in SUSv3, but is included for compatability
+ 		 */
+		flags |= FILEUTILS_RECUR;
+	}
+
+	flags ^= FILEUTILS_DEREFERENCE;		/* The sense of this flag was reversed. */
+
+	if (optind + 2 > argc) {
+		bb_show_usage();
+	}
+
+	last = argv[argc - 1];
+	argv += optind;
+
+	/* If there are only two arguments and...  */
+	if (optind + 2 == argc) {
+		s_flags = cp_mv_stat2(*argv, &source_stat,
+								 (flags & FILEUTILS_DEREFERENCE) ? stat : lstat);
+		if ((s_flags < 0) || ((d_flags = cp_mv_stat(last, &dest_stat)) < 0)) {
+			exit(EXIT_FAILURE);
+		}
+		/* ...if neither is a directory or...  */
+		if ( !((s_flags | d_flags) & 2) ||
+			/* ...recursing, the 1st is a directory, and the 2nd doesn't exist... */
+			/* ((flags & FILEUTILS_RECUR) && (s_flags & 2) && !d_flags) */
+			/* Simplify the above since FILEUTILS_RECUR >> 1 == 2. */
+			((((flags & FILEUTILS_RECUR) >> 1) & s_flags) && !d_flags)
+		) {
+			/* ...do a simple copy.  */
+				dest = last;
+				goto DO_COPY; /* Note: optind+2==argc implies argv[1]==last below. */
+		}
+	}
+
+	do {
+		dest = concat_path_file(last, bb_get_last_path_component(*argv));
+	DO_COPY:
+		if (copy_file(*argv, dest, flags) < 0) {
+			status = 1;
+		}
+		if (*++argv == last) {
+			break;
+		}
+		free((void *) dest);
+	} while (1);
+
+	exit(status);
+}