wlroots/common/log.c

101 lines
2.3 KiB
C

#define _POSIX_C_SOURCE 1
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <time.h>
#include "wlr/common/log.h"
#include "common/log.h"
static bool colored = true;
static log_callback_t log_callback;
static const char *verbosity_colors[] = {
[L_SILENT] = "",
[L_ERROR ] = "\x1B[1;31m",
[L_INFO ] = "\x1B[1;34m",
[L_DEBUG ] = "\x1B[1;30m",
};
void wlr_log_init(log_callback_t callback) {
log_callback = callback;
// TODO: Use log callback
}
void _wlr_vlog(const char *filename, int line, log_importance_t verbosity,
const char *format, va_list args) {
// prefix the time to the log message
static struct tm result;
static time_t t;
static struct tm *tm_info;
char buffer[26];
// get current time
t = time(NULL);
// convert time to local time (determined by the locale)
tm_info = localtime_r(&t, &result);
// generate time prefix
strftime(buffer, sizeof(buffer), "%x %X - ", tm_info);
fprintf(stderr, "%s", buffer);
unsigned int c = verbosity;
if (c > sizeof(verbosity_colors) / sizeof(char *) - 1) {
c = sizeof(verbosity_colors) / sizeof(char *) - 1;
}
if (colored && isatty(STDERR_FILENO)) {
fprintf(stderr, "%s", verbosity_colors[c]);
}
if (filename && line) {
const char *file = filename + strlen(filename);
while (file != filename && *file != '/') {
--file;
}
if (*file == '/') {
++file;
}
fprintf(stderr, "[%s:%d] ", file, line);
}
vfprintf(stderr, format, args);
if (colored && isatty(STDERR_FILENO)) {
fprintf(stderr, "\x1B[0m");
}
fprintf(stderr, "\n");
}
void _wlr_log(const char *filename, int line, log_importance_t verbosity, const char* format, ...) {
va_list args;
va_start(args, format);
_wlr_vlog(filename, line, verbosity, format, args);
va_end(args);
}
void wlr_log_errno(log_importance_t verbosity, char* format, ...) {
unsigned int c = verbosity;
if (c > sizeof(verbosity_colors) / sizeof(char *) - 1) {
c = sizeof(verbosity_colors) / sizeof(char *) - 1;
}
if (isatty(STDERR_FILENO)) {
fprintf(stderr, "%s", verbosity_colors[c]);
}
va_list args;
va_start(args, format);
vfprintf(stderr, format, args);
va_end(args);
fprintf(stderr, ": ");
fprintf(stderr, "%s", strerror(errno));
if (isatty(STDERR_FILENO)) {
fprintf(stderr, "\x1B[0m");
}
fprintf(stderr, "\n");
}