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#include <assert.h>
#include <stdarg.h>
#include <stdlib.h>
#include <time.h>
#include "log.h"
static FILE *logf;
static bool debug;
static void __log_timestamp(void)
{
char hms[20] = {'\0'};
time_t t;
if (!logf)
return;
t = time(NULL);
strftime(hms, sizeof(hms), "%T", localtime(&t));
fprintf(logf, "[%s] ", hms);
}
static void __log(const char *fmt, va_list ap)
{
if (!logf)
return;
vfprintf(logf, fmt, ap);
fflush(logf);
}
void pb_log(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
__log_timestamp();
__log(fmt, ap);
va_end(ap);
}
void _pb_log_fn(const char *func, const char *fmt, ...)
{
va_list ap;
pb_log("%s: ", func);
va_start(ap, fmt);
__log(fmt, ap);
va_end(ap);
}
void pb_debug(const char *fmt, ...)
{
va_list ap;
if (!debug)
return;
va_start(ap, fmt);
__log_timestamp();
__log(fmt, ap);
va_end(ap);
}
void _pb_debug_fn(const char *func, const char *fmt, ...)
{
va_list ap;
if (!debug)
return;
pb_log("%s: ", func);
va_start(ap, fmt);
__log(fmt, ap);
va_end(ap);
}
void _pb_debug_fl(const char *func, int line, const char *fmt, ...)
{
va_list ap;
if (!debug)
return;
pb_log("%s:%d: ", func, line);
va_start(ap, fmt);
__log(fmt, ap);
va_end(ap);
}
void __pb_log_init(FILE *fp, bool _debug)
{
if (logf)
fflush(logf);
logf = fp;
debug = _debug;
}
void pb_log_set_debug(bool _debug)
{
debug = _debug;
}
bool pb_log_get_debug(void)
{
return debug;
}
FILE *pb_log_get_stream(void)
{
static FILE *null_stream;
if (!logf) {
if (!null_stream)
null_stream = fopen("/dev/null", "a");
return null_stream;
}
return logf;
}
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