yambar/log.c

75 lines
1.9 KiB
C

#include "log.h"
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <stdbool.h>
#include <errno.h>
static void
_log(enum log_class log_class, const char *module, const char *file, int lineno,
const char *fmt, int sys_errno, va_list va)
{
bool colorize = true;
const char *class = "abcd";
int class_clr = 0;
switch (log_class) {
case LOG_CLASS_ERROR: class = " err"; class_clr = 31; break;
case LOG_CLASS_WARNING: class = "warn"; class_clr = 33; break;
case LOG_CLASS_INFO: class = "info"; class_clr = 97; break;
case LOG_CLASS_DEBUG: class = " dbg"; class_clr = 36; break;
}
char clr[16];
snprintf(clr, sizeof(clr), "\e[%dm", class_clr);
printf("%s%s%s: ", colorize ? clr : "", class, colorize ? "\e[0m" : "");
if (colorize)
printf("\e[2m");
#if defined(_DEBUG)
printf("%s:%d: ", file, lineno);
#else
printf("%s: ", module);
#endif
if (colorize)
printf("\e[0m");
//printf("%%s\n", buf);
vprintf(fmt, va);
if (sys_errno != 0)
printf(": %s", strerror(sys_errno));
printf("\n");
}
void
log_msg(enum log_class log_class, const char *module,
const char *file, int lineno, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
_log(log_class, module, file, lineno, fmt, 0, ap);
va_end(ap);
}
void log_errno(enum log_class log_class, const char *module,
const char *file, int lineno,
const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
_log(log_class, module, file, lineno, fmt, errno, ap);
va_end(ap);
}
void log_errno_provided(enum log_class log_class, const char *module,
const char *file, int lineno, int _errno,
const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
_log(log_class, module, file, lineno, fmt, _errno, ap);
va_end(ap);
}