68404f13d4
function old new delta procps_scan 1265 1298 +33 aliascmd 278 283 +5 parse_file_cmd 116 120 +4 dname_enc 373 377 +4 setcmd 90 93 +3 execcmd 57 60 +3 count_lines 72 74 +2 process_command_subs 340 339 -1 test_main 409 407 -2 mknod_main 179 177 -2 handle_incoming_and_exit 2653 2651 -2 argstr 1312 1310 -2 shiftcmd 131 128 -3 exitcmd 46 43 -3 dotcmd 297 294 -3 breakcmd 86 83 -3 evalpipe 353 349 -4 evalcommand 1180 1176 -4 evalcmd 109 105 -4 send_tree 374 369 -5 mkfifo_main 82 77 -5 evalsubshell 152 147 -5 typecmd 75 69 -6 letcmd 61 55 -6 add_cmd 1190 1183 -7 main 891 883 -8 ash_main 1415 1407 -8 parse_stream 1377 1367 -10 alloc_procps_scan 55 - -55 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 7/21 up/down: 54/-148) Total: -94 bytes text data bss dec hex filename 797195 658 7428 805281 c49a1 busybox_old 797101 658 7428 805187 c4943 busybox_unstripped
53 lines
1.0 KiB
C
53 lines
1.0 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* cat implementation for busybox
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*
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* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
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*
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* Licensed under GPLv2, see file License in this tarball for details.
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*/
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/* BB_AUDIT SUSv3 compliant */
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/* http://www.opengroup.org/onlinepubs/007904975/utilities/cat.html */
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#include "libbb.h"
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/* This is a NOFORK applet. Be very careful! */
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int bb_cat(char **argv)
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{
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static const char *const argv_dash[] = { "-", NULL };
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int fd;
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int retval = EXIT_SUCCESS;
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if (!*argv)
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argv = (char**) &argv_dash;
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do {
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fd = STDIN_FILENO;
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if (!LONE_DASH(*argv))
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fd = open_or_warn(*argv, O_RDONLY);
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if (fd >= 0) {
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/* This is not a xfunc - never exits */
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off_t r = bb_copyfd_eof(fd, STDOUT_FILENO);
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if (fd != STDIN_FILENO)
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close(fd);
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if (r >= 0)
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continue;
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}
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retval = EXIT_FAILURE;
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} while (*++argv);
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return retval;
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}
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int cat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int cat_main(int argc ATTRIBUTE_UNUSED, char **argv)
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{
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getopt32(argv, "u");
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argv += optind;
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return bb_cat(argv);
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}
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