137 lines
3.0 KiB
C
Executable File
137 lines
3.0 KiB
C
Executable File
/*
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* Copyright (c) 2017 rxi
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <time.h>
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#include "log.h"
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static struct {
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void *udata;
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log_LockFn lock;
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FILE *fp;
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int level;
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int quiet;
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} L;
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static const char *level_names[] = {
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"TRACE", "DEBUG", "INFO", "WARN", "ERROR", "FATAL"
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};
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#ifdef LOG_USE_COLOR
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static const char *level_colors[] = {
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"\x1b[94m", "\x1b[36m", "\x1b[32m", "\x1b[33m", "\x1b[31m", "\x1b[35m"
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};
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#endif
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static void lock(void) {
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if (L.lock) {
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L.lock(L.udata, 1);
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}
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}
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static void unlock(void) {
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if (L.lock) {
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L.lock(L.udata, 0);
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}
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}
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void log_set_udata(void *udata) {
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L.udata = udata;
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}
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void log_set_lock(log_LockFn fn) {
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L.lock = fn;
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}
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void log_set_fp(FILE *fp) {
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L.fp = fp;
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}
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void log_set_level(int level) {
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L.level = level;
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}
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void log_set_quiet(int enable) {
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L.quiet = enable ? 1 : 0;
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}
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void log_log(int level, const char *file, int line, const char *fmt, ...) {
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if (level < L.level) {
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return;
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}
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/* Acquire lock */
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lock();
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/* Get current time */
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time_t t = time(NULL);
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struct tm *lt = localtime(&t);
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/* Log to stderr */
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if (!L.quiet) {
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va_list args;
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char buf[16];
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buf[strftime(buf, sizeof(buf), "%H:%M:%S", lt)] = '\0';
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#ifdef LOG_USE_COLOR
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fprintf(
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stderr, "%s %s%-5s\x1b[0m \x1b[90m%s:%d:\x1b[0m ",
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buf, level_colors[level], level_names[level], file, line);
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#else
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fprintf(stderr, "%s %-5s %s:%d: ", buf, level_names[level], file, line);
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#endif
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va_start(args, fmt);
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vfprintf(stderr, fmt, args);
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va_end(args);
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fprintf(stderr, "\n");
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fflush(stderr);
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}
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/* Log to file */
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if (L.fp) {
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va_list args;
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char buf[32];
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buf[strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", lt)] = '\0';
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fprintf(L.fp, "%s %-5s %s:%d: ", buf, level_names[level], file, line);
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va_start(args, fmt);
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vfprintf(L.fp, fmt, args);
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va_end(args);
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fprintf(L.fp, "\n");
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fflush(L.fp);
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}
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/* Release lock */
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unlock();
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}
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