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Add support for changing the console level in dmesg(1)

This commit is contained in:
sin 2013-09-23 15:13:01 +01:00
parent 301044f834
commit 4ce785f36e
1 changed files with 7 additions and 0 deletions
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7
dmesg.c
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@ -12,6 +12,7 @@ static int dmesg_show(int fd, const void *buf, size_t n);
enum { enum {
SYSLOG_ACTION_READ_ALL = 3, SYSLOG_ACTION_READ_ALL = 3,
SYSLOG_ACTION_CLEAR = 5, SYSLOG_ACTION_CLEAR = 5,
SYSLOG_ACTION_CONSOLE_LEVEL = 8,
SYSLOG_ACTION_SIZE_BUFFER = 10 SYSLOG_ACTION_SIZE_BUFFER = 10
}; };
@ -28,6 +29,7 @@ main(int argc, char *argv[])
char *buf; char *buf;
int cflag = 0; int cflag = 0;
int rflag = 0; int rflag = 0;
long level;
ARGBEGIN { ARGBEGIN {
case 'C': case 'C':
@ -40,6 +42,11 @@ main(int argc, char *argv[])
case 'r': case 'r':
rflag = 1; rflag = 1;
break; break;
case 'n':
level = estrtol(EARGF(usage()), 10);
if (klogctl(SYSLOG_ACTION_CONSOLE_LEVEL, NULL, level) < 0)
eprintf("klogctl:");
return 0;
default: default:
usage(); usage();
} ARGEND; } ARGEND;