Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 2 | /* |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 3 | * cat implementation for busybox |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 4 | * |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 5 | * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 6 | * |
Rob Landley | 8abbee4 | 2006-05-31 19:36:04 +0000 | [diff] [blame] | 7 | * Licensed under GPLv2 or later, see file License in this tarball for details. |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 8 | */ |
9 | |||||
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 10 | /* BB_AUDIT SUSv3 compliant */ |
11 | /* http://www.opengroup.org/onlinepubs/007904975/utilities/cat.html */ | ||||
12 | |||||
Eric Andersen | cbe31da | 2001-02-20 06:14:08 +0000 | [diff] [blame] | 13 | #include "busybox.h" |
Rob Landley | 8abbee4 | 2006-05-31 19:36:04 +0000 | [diff] [blame] | 14 | #include <unistd.h> |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 15 | |
Rob Landley | dfba741 | 2006-03-06 20:47:33 +0000 | [diff] [blame] | 16 | int cat_main(int argc, char **argv) |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 17 | { |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 18 | FILE *f; |
19 | int retval = EXIT_SUCCESS; | ||||
Matt Kraai | e7c1af1 | 2000-09-27 03:01:40 +0000 | [diff] [blame] | 20 | |
Denis Vlasenko | 67b23e6 | 2006-10-03 21:00:06 +0000 | [diff] [blame] | 21 | getopt32(argc, argv, "u"); |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 22 | |
23 | argv += optind; | ||||
24 | if (!*argv) { | ||||
25 | *--argv = "-"; | ||||
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 26 | } |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 27 | |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 28 | do { |
29 | if ((f = bb_wfopen_input(*argv)) != NULL) { | ||||
Glenn L McGrath | 7ffe133 | 2003-11-21 22:24:57 +0000 | [diff] [blame] | 30 | int r = bb_copyfd_eof(fileno(f), STDOUT_FILENO); |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 31 | bb_fclose_nonstdin(f); |
32 | if (r >= 0) { | ||||
33 | continue; | ||||
34 | } | ||||
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 35 | } |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 36 | retval = EXIT_FAILURE; |
37 | } while (*++argv); | ||||
Erik Andersen | 029011b | 2000-03-04 21:19:32 +0000 | [diff] [blame] | 38 | |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 39 | return retval; |
40 | } |