gri3-wm/src/log.c

122 lines
2.7 KiB
C

/*
* vim:ts=8:expandtab
*
* i3 - an improved dynamic tiling window manager
*
* © 2009 Michael Stapelberg and contributors
*
* See file LICENSE for license information.
*
* src/log.c: handles the setting of loglevels, contains the logging functions.
*
*/
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include "util.h"
#include "log.h"
/* loglevels.h is autogenerated at make time */
#include "loglevels.h"
static uint64_t loglevel = 0;
static bool verbose = true;
/**
* Set verbosity of i3. If verbose is set to true, informative messages will
* be printed to stdout. If verbose is set to false, only errors will be
* printed.
*
*/
void set_verbosity(bool _verbose) {
verbose = _verbose;
}
/**
* Enables the given loglevel.
*
*/
void add_loglevel(const char *level) {
/* Handle the special loglevel "all" */
if (strcasecmp(level, "all") == 0) {
loglevel = UINT64_MAX;
return;
}
for (int i = 0; i < sizeof(loglevels) / sizeof(char*); i++) {
if (strcasecmp(loglevels[i], level) != 0)
continue;
/* The position in the array (plus one) is the amount of times
* which we need to shift 1 to the left to get our bitmask for
* the specific loglevel. */
loglevel |= (1 << (i+1));
break;
}
}
/*
* Logs the given message to stdout while prefixing the current time to it.
* This is to be called by *LOG() which includes filename/linenumber/function.
*
*/
void vlog(char *fmt, va_list args) {
char timebuf[64];
/* Get current time */
time_t t = time(NULL);
/* Convert time to local time (determined by the locale) */
struct tm *tmp = localtime(&t);
/* Generate time prefix */
strftime(timebuf, sizeof(timebuf), "%x %X - ", tmp);
printf("%s", timebuf);
vprintf(fmt, args);
}
/**
* Logs the given message to stdout while prefixing the current time to it,
* but only if verbose mode is activated.
*
*/
void verboselog(char *fmt, ...) {
va_list args;
if (!verbose)
return;
va_start(args, fmt);
vlog(fmt, args);
va_end(args);
}
/**
* Logs the given message to stdout while prefixing the current time to it.
*
*/
void errorlog(char *fmt, ...) {
va_list args;
va_start(args, fmt);
vlog(fmt, args);
va_end(args);
}
/*
* Logs the given message to stdout while prefixing the current time to it,
* but only if the corresponding debug loglevel was activated.
* This is to be called by DLOG() which includes filename/linenumber
*
*/
void debuglog(uint64_t lev, char *fmt, ...) {
va_list args;
if ((loglevel & lev) == 0)
return;
va_start(args, fmt);
vlog(fmt, args);
va_end(args);
}