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#include "log.h"
#include <stdarg.h>
#include <stdio.h>
#include <time.h>
static struct {
log_LockProc lock_proc;
LogLevelE lvl;
b32 quiet;
b32 inited;
FILE *log_default;
FILE *log_file;
} L;
static const char *level_strings[] = {
"TRACE", "DEBUG", "INFO", "WARN", "ERROR", "FATAL"
};
#ifndef LOG_NO_COLOR
static const char *level_colors[] = {
"\x1b[94m", "\x1b[36m", "\x1b[32m", "\x1b[33m", "\x1b[31m", "\x1b[35m"
};
#endif
const char *log_get_level() {
return level_strings[L.lvl];
}
void log_set_level(LogLevelE lvl) {
L.lvl = lvl;
}
void log_init(FILE *out) {
L.inited = true;
L.log_default = out;
}
void log_set_quiet(b32 quiet) {
L.quiet = quiet;
}
void log_set_lock(log_LockProc proc) {
L.lock_proc = proc;
}
void log_set_fp(FILE *log_file) {
L.log_file = log_file;
}
static inline void lock() { if (L.lock_proc) L.lock_proc( true); }
static inline void unlock() { if (L.lock_proc) L.lock_proc(false); }
static inline void write_to_file(LogLevelE lvl, const char *src_file, u64 src_line, const char *fmt, struct tm* time, va_list va) {
if (!L.log_file) { return; }
char time_str[64];
time_str[strftime(time_str, sizeof(time_str), "%Y-%m-%d %H:%M:%S", time)] = '\0';
fprintf(L.log_file, "%s %-5s%s:%lu ", time_str, level_strings[lvl], src_file, src_line);
vfprintf(L.log_file, fmt, va);
fprintf(L.log_file, "\n");
}
void log_log(LogLevelE lvl, const char *src_file, u64 src_line, const char *fmt, ...) {
if (!L.inited) return;
lock();
va_list va;
va_list fva;
va_start(va, fmt);
va_copy(fva, va);
va_end(va);
time_t t = time(NULL);
struct tm* time = localtime(&t);
if (L.quiet || lvl < L.lvl) { goto skip; }
char time_str[16];
time_str[strftime(time_str, sizeof(time_str), "%H:%M:%S", time)] = '\0';
#ifndef LOG_NO_COLOR
fprintf(L.log_default, "%s %s%-5s\x1b[0m\x1b[90m%s:%lu:\x1b[0m ",
time_str, level_colors[lvl], level_strings[lvl], src_file, src_line);
#else
fprintf(L.log_default, "%s %-5s %s:%lu: ",
time_str, level_strings[L.lvl], src_file, src_line);
#endif /* ifndef LOG_NO_COLOR */
vfprintf(L.log_default, fmt, va);
fprintf(L.log_default, "\n");
skip:
write_to_file(lvl, src_file, src_line, fmt, time, fva);
unlock();
}
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