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
63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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*
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* dmesg - display/control kernel ring buffer.
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*
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* Copyright 2006 Rob Landley <rob@landley.net>
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* Copyright 2006 Bernhard Fischer <rep.nop@aon.at>
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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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#include <sys/klog.h>
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#include "libbb.h"
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int dmesg_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int dmesg_main(int argc ATTRIBUTE_UNUSED, char **argv)
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{
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int len;
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char *buf;
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char *size, *level;
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int flags = getopt32(argv, "cs:n:", &size, &level);
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if (flags & 4) {
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if (klogctl(8, NULL, xatoul_range(level, 0, 10)))
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bb_perror_msg_and_die("klogctl");
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return EXIT_SUCCESS;
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}
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len = (flags & 2) ? xatoul_range(size, 2, INT_MAX) : 16384;
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buf = xmalloc(len);
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len = klogctl(3 + (flags & 1), buf, len);
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if (len < 0)
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bb_perror_msg_and_die("klogctl");
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if (len == 0)
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return EXIT_SUCCESS;
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/* Skip <#> at the start of lines, and make sure we end with a newline. */
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if (ENABLE_FEATURE_DMESG_PRETTY) {
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int last = '\n';
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int in = 0;
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do {
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if (last == '\n' && buf[in] == '<')
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in += 3;
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else {
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last = buf[in++];
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bb_putchar(last);
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}
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} while (in < len);
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if (last != '\n')
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bb_putchar('\n');
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} else {
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full_write(STDOUT_FILENO, buf, len);
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if (buf[len-1] != '\n')
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bb_putchar('\n');
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}
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if (ENABLE_FEATURE_CLEAN_UP) free(buf);
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return EXIT_SUCCESS;
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}
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