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| author | Mike Frysinger <vapier@gentoo.org> | 2006-07-27 11:18:36 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2006-07-27 11:18:36 +0000 |
| commit | eac0c069385430901357de0d511cbf5d9e4d12a6 (patch) | |
| tree | 072c5adc7d97de9e37eca13fafca1e6c93a16d8c | |
| parent | 0b7dfb5ae73bcc29f1d5dfdb1b37c5b1d34b5904 (diff) | |
| download | busybox-eac0c069385430901357de0d511cbf5d9e4d12a6.tar.gz | |
allow people to display dmesg output without syslog levels
| -rw-r--r-- | util-linux/Config.in | 20 | ||||
| -rw-r--r-- | util-linux/dmesg.c | 22 |
2 files changed, 39 insertions, 3 deletions
diff --git a/util-linux/Config.in b/util-linux/Config.in index 501ed6bfc..65d670824 100644 --- a/util-linux/Config.in +++ b/util-linux/Config.in @@ -17,6 +17,26 @@ config CONFIG_DMESG are also logged to the system console. Enable this option if you wish to enable the 'dmesg' utility. +config CONFIG_FEATURE_DMESG_PRETTY + bool "pretty dmesg output" + default y + depends on CONFIG_DMESG + help + If you wish to scrub the syslog level from the output, say 'Y' here. + The syslog level is a string prefixed to every line with the form "<#>". + + With this option you will see: + # dmesg + Linux version 2.6.17.4 ..... + BIOS-provided physical RAM map: + BIOS-e820: 0000000000000000 - 000000000009f000 (usable) + + Without this option you will see: + # dmesg + <5>Linux version 2.6.17.4 ..... + <6>BIOS-provided physical RAM map: + <6> BIOS-e820: 0000000000000000 - 000000000009f000 (usable) + config CONFIG_FBSET bool "fbset" default n diff --git a/util-linux/dmesg.c b/util-linux/dmesg.c index 2b59ee23d..ecfd90668 100644 --- a/util-linux/dmesg.c +++ b/util-linux/dmesg.c @@ -1,9 +1,9 @@ /* vi: set sw=4 ts=4: */ /* - * * dmesg - display/control kernel ring buffer. * - * Copyring 2006 Rob Landley <rob@landley.net> + * Copyright 2006 Rob Landley <rob@landley.net> + * Copyright 2006 Erik Andersen <andersen@codepoet.org> * * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ @@ -28,8 +28,24 @@ int dmesg_main(int argc, char *argv[]) buf = xmalloc(len); if (0 > (len = klogctl(3 + (flags & 1), buf, len))) bb_perror_msg_and_die("klogctl"); - write(1,buf,len); + +#ifdef CONFIG_FEATURE_DMESG_PRETTY + { + char newline = '\n'; + int i; + for (i=0; i<len; ++i) { + if (newline == '\n' && buf[i] == '<') + i += 3; /* skip <#> */ + putchar(newline=buf[i]); + } + if (newline != '\n') putchar('\n'); + } +#else + write(1, buf, len); if (len && buf[len-1]!='\n') putchar('\n'); +#endif + + if (ENABLE_FEATURE_CLEAN_UP) free(buf); } return 0; |