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Add -c flag for dmesg

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This commit is contained in:
sin 2013-08-16 14:59:53 +01:00
parent 7f301a0825
commit f2285a1a35
1 changed files with 8 additions and 1 deletions
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9
dmesg.c
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@ -18,7 +18,7 @@ enum {
static void static void
usage(void) usage(void)
{ {
eprintf("usage: [-C] %s\n", argv0); eprintf("usage: [-Cc] %s\n", argv0);
} }
int int
@ -26,12 +26,16 @@ main(int argc, char *argv[])
{ {
int n; int n;
char *buf; char *buf;
int cflag = 0;
ARGBEGIN { ARGBEGIN {
case 'C': case 'C':
if (klogctl(SYSLOG_ACTION_CLEAR, NULL, 0) < 0) if (klogctl(SYSLOG_ACTION_CLEAR, NULL, 0) < 0)
eprintf("klogctl:"); eprintf("klogctl:");
return 0; return 0;
case 'c':
cflag = 1;
break;
default: default:
usage(); usage();
} ARGEND; } ARGEND;
@ -52,6 +56,9 @@ main(int argc, char *argv[])
if (n < 0) if (n < 0)
eprintf("dmesg_show:"); eprintf("dmesg_show:");
if (cflag && klogctl(SYSLOG_ACTION_CLEAR, NULL, 0) < 0)
eprintf("klogctl:");
free(buf); free(buf);
return 0; return 0;
} }