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Diffstat (limited to 'i/pc104/initrd/conf/busybox/coreutils/cp.c')
-rw-r--r--i/pc104/initrd/conf/busybox/coreutils/cp.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/coreutils/cp.c b/i/pc104/initrd/conf/busybox/coreutils/cp.c
new file mode 100644
index 0000000..a80e0d2
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/coreutils/cp.c
@@ -0,0 +1,100 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini cp implementation for busybox
+ *
+ * Copyright (C) 2000 by Matt Kraai <kraai@alumni.carnegiemellon.edu>
+ * SELinux support by Yuichi Nakamura <ynakam@hitachisoft.jp>
+ *
+ * Licensed under GPL v2 or later, see file LICENSE in this tarball for details.
+ */
+
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/cp.html */
+
+/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
+ *
+ * Size reduction.
+ */
+
+#include "busybox.h"
+#include "libcoreutils/coreutils.h"
+
+int cp_main(int argc, char **argv);
+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;
+ enum {
+ OPT_a = 1 << (sizeof(FILEUTILS_CP_OPTSTR)-1),
+ OPT_r = 1 << (sizeof(FILEUTILS_CP_OPTSTR)),
+ OPT_P = 1 << (sizeof(FILEUTILS_CP_OPTSTR)+1),
+ OPT_H = 1 << (sizeof(FILEUTILS_CP_OPTSTR)+2),
+ OPT_L = 1 << (sizeof(FILEUTILS_CP_OPTSTR)+3),
+ };
+
+ // Soft- and hardlinking don't mix
+ // -P and -d are the same (-P is POSIX, -d is GNU)
+ // -r and -R are the same
+ // -a = -pdR
+ opt_complementary = "?:l--s:s--l:Pd:rR:apdR";
+ flags = getopt32(argc, argv, FILEUTILS_CP_OPTSTR "arPHL");
+ /* Default behavior of cp is to dereference, so we don't have to do
+ * anything special when we are given -L.
+ * The behavior of -H is *almost* like -L, but not quite, so let's
+ * just ignore it too for fun.
+ if (flags & OPT_L) ...
+ if (flags & OPT_H) ... // deref command-line params only
+ */
+
+#if ENABLE_SELINUX
+ if (flags & FILEUTILS_PRESERVE_SECURITY_CONTEXT) {
+ selinux_or_die();
+ }
+#endif
+
+ 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)
+ return EXIT_FAILURE;
+ d_flags = cp_mv_stat(last, &dest_stat);
+ if (d_flags < 0)
+ return 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)
+ ) {
+ /* ...do a simple copy. */
+ dest = xstrdup(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;
+ }
+ free((void*)dest);
+ } while (*++argv != last);
+
+ return status;
+}