From 008d0be72b2f160382c6e880765e96b64a050c65 Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Sat, 3 Jan 2015 12:04:58 +0100 Subject: imported original firmware WRT54GL_v4.30.11_11_US --- release/src/router/busybox/coreutils/cat.c | 67 ++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 release/src/router/busybox/coreutils/cat.c (limited to 'release/src/router/busybox/coreutils/cat.c') diff --git a/release/src/router/busybox/coreutils/cat.c b/release/src/router/busybox/coreutils/cat.c new file mode 100644 index 00000000..86527576 --- /dev/null +++ b/release/src/router/busybox/coreutils/cat.c @@ -0,0 +1,67 @@ +/* vi: set sw=4 ts=4: */ +/* + * cat implementation for busybox + * + * Copyright (C) 2003 Manuel Novoa III + * + * 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 compliant */ +/* http://www.opengroup.org/onlinepubs/007904975/utilities/cat.html */ + +/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org) + * + * This is a new implementation of 'cat' which aims to be SUSv3 compliant. + * + * Changes from the previous implementation include: + * 1) Multiple '-' args are accepted as required by SUSv3. The previous + * implementation would close stdin and segfault on a subsequent '-'. + * 2) The '-u' options is required by SUSv3. Note that the specified + * behavior for '-u' is done by default, so all we need do is accept + * the option. + */ + +#include +#include +#include +#include "busybox.h" + +extern int cat_main(int argc, char **argv) +{ + FILE *f; + int retval = EXIT_SUCCESS; + + bb_getopt_ulflags(argc, argv, "u"); + + argv += optind; + if (!*argv) { + *--argv = "-"; + } + + do { + if ((f = bb_wfopen_input(*argv)) != NULL) { + int r = bb_copyfd(fileno(f), STDOUT_FILENO, 0); + bb_fclose_nonstdin(f); + if (r >= 0) { + continue; + } + } + retval = EXIT_FAILURE; + } while (*++argv); + + return retval; +} -- cgit v1.2.3-54-g00ecf