diff options
Diffstat (limited to 'toys/lsb/dmesg.c')
| -rw-r--r-- | toys/lsb/dmesg.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/toys/lsb/dmesg.c b/toys/lsb/dmesg.c index 50da8a8a..aac638d0 100644 --- a/toys/lsb/dmesg.c +++ b/toys/lsb/dmesg.c @@ -5,13 +5,13 @@ * http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/dmesg.html // We care that FLAG_c is 1, so keep c at the end. -USE_DMESG(NEWTOY(dmesg, "trs#<1n#c", TOYFLAG_BIN)) +USE_DMESG(NEWTOY(dmesg, "trs#<1n#c[!tr]", TOYFLAG_BIN)) config DMESG bool "dmesg" default y help - usage: dmesg [-n LEVEL] [-s SIZE] [-r|-t] | -c + usage: dmesg [-c] [-r|-t] [-n LEVEL] [-s SIZE] Print or control the kernel ring buffer. @@ -33,9 +33,6 @@ GLOBALS( void dmesg_main(void) { - if ((toys.optflags & FLAG_r) && (toys.optflags & FLAG_t)) { - error_exit("dmesg: -r and -t are mutually exclusive options"); - } // For -n just tell kernel to which messages to keep. if (toys.optflags & FLAG_n) { if (klogctl(8, NULL, TT.level)) perror_exit("klogctl"); @@ -54,17 +51,11 @@ void dmesg_main(void) // Filter out level markers and optionally time markers if (!(toys.optflags & FLAG_r)) while ((from - data) < size) { if (from == data || from[-1] == '\n') { - if (*from == '<') { - int i = stridx(from, '>'); - - if (i>0) from += i+1; - } - if ((*from == '[') && (toys.optflags & FLAG_t)) { - int i = stridx(from, ']'); + char *to; - if (i>0) from += i+1; - if (*from == ' ') ++from; - } + if (*from == '<' && (to = strchr(from, '>'))) from = ++to; + if ((toys.optflags&FLAG_t) && *from == '[' && (to = strchr(from, ']'))) + from = to+1+(to[1]==' '); } *(to++) = *(from++); } else to = data+size; |