1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
#include "../include/log.h"
#include <stdio.h>
#include <stdarg.h>
#define GSR_LOG_MESSAGE_MAX_SIZE 4096
static const char* log_level_to_string(gsr_log_level level) {
switch(level) {
case GSR_LOG_LEVEL_DEBUG: return "debug";
case GSR_LOG_LEVEL_INFO: return "info";
case GSR_LOG_LEVEL_WARNING: return "warning";
case GSR_LOG_LEVEL_ERROR: return "error";
}
return "unknown";
}
static void gsr_log_default_handler(gsr_log_level level, const char *message, void *userdata) {
(void)userdata;
fprintf(stderr, "gsr %s: %s\n", log_level_to_string(level), message);
}
static gsr_log_level log_level = GSR_LOG_LEVEL_INFO;
static gsr_log_handler log_handler = gsr_log_default_handler;
static void *log_handler_userdata = NULL;
void gsr_log(gsr_log_level level, const char *fmt, ...) {
if(level < log_level)
return;
char message[GSR_LOG_MESSAGE_MAX_SIZE];
va_list args;
va_start(args, fmt);
vsnprintf(message, sizeof(message), fmt, args);
va_end(args);
log_handler(level, message, log_handler_userdata);
}
void gsr_log_set_level(gsr_log_level level) {
log_level = level;
}
void gsr_log_set_handler(gsr_log_handler handler, void *userdata) {
log_handler = handler ? handler : gsr_log_default_handler;
log_handler_userdata = userdata;
}
|
