busybox: imported from http://www.busybox.net/downloads/busybox-1.13.3.tar.bz2busybox-1.13.3

Signed-off-by: Bjørn Mork <bjorn@mork.no>

1 files changed, 48 insertions, 0 deletions

diff --git a/coreutils/cat.c b/coreutils/cat.c
new file mode 100644
index 0000000..0024eb8
--- /dev/null
+++ b/coreutils/cat.c
@@ -0,0 +1,48 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * cat implementation for busybox
+ *
+ * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
+ *
+ * Licensed under GPLv2, see file License in this tarball for details.
+ */
+
+/* BB_AUDIT SUSv3 compliant */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/cat.html */
+
+#include "libbb.h"
+
+/* This is a NOFORK applet. Be very careful! */
+
+
+int bb_cat(char **argv)
+{
+	int fd;
+	int retval = EXIT_SUCCESS;
+
+	if (!*argv)
+		argv = (char**) &bb_argv_dash;
+
+	do {
+		fd = open_or_warn_stdin(*argv);
+		if (fd >= 0) {
+			/* This is not a xfunc - never exits */
+			off_t r = bb_copyfd_eof(fd, STDOUT_FILENO);
+			if (fd != STDIN_FILENO)
+				close(fd);
+			if (r >= 0)
+				continue;
+		}
+		retval = EXIT_FAILURE;
+	} while (*++argv);
+
+	return retval;
+}
+
+int cat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int cat_main(int argc UNUSED_PARAM, char **argv)
+{
+	getopt32(argv, "u");
+	argv += optind;
+	return bb_cat(argv);
+}