135 lines
3 KiB
C
135 lines
3 KiB
C
/*
|
|
* Copyright (c) 2013 Hugh Bailey <obs.jim@gmail.com>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "c99defs.h"
|
|
#include "base.h"
|
|
|
|
#ifdef _DEBUG
|
|
static int log_output_level = LOG_DEBUG;
|
|
#else
|
|
static int log_output_level = LOG_INFO;
|
|
#endif
|
|
|
|
static int crashing = 0;
|
|
static void *log_param = NULL;
|
|
static void *crash_param = NULL;
|
|
|
|
static void def_log_handler(int log_level, const char *format,
|
|
va_list args, void *param)
|
|
{
|
|
char out[4096];
|
|
vsnprintf(out, sizeof(out), format, args);
|
|
|
|
if (log_level <= log_output_level) {
|
|
switch (log_level) {
|
|
case LOG_DEBUG:
|
|
fprintf(stdout, "debug: %s\n", out);
|
|
fflush(stdout);
|
|
break;
|
|
|
|
case LOG_INFO:
|
|
fprintf(stdout, "info: %s\n", out);
|
|
fflush(stdout);
|
|
break;
|
|
|
|
case LOG_WARNING:
|
|
fprintf(stdout, "warning: %s\n", out);
|
|
fflush(stdout);
|
|
break;
|
|
|
|
case LOG_ERROR:
|
|
fprintf(stderr, "error: %s\n", out);
|
|
fflush(stderr);
|
|
}
|
|
}
|
|
|
|
UNUSED_PARAMETER(param);
|
|
}
|
|
|
|
#ifdef _MSC_VER
|
|
#define NORETURN __declspec(noreturn)
|
|
#else
|
|
#define NORETURN __attribute__((noreturn))
|
|
#endif
|
|
|
|
NORETURN static void def_crash_handler(const char *format, va_list args,
|
|
void *param)
|
|
{
|
|
vfprintf(stderr, format, args);
|
|
exit(0);
|
|
|
|
UNUSED_PARAMETER(param);
|
|
}
|
|
|
|
static log_handler_t log_handler = def_log_handler;
|
|
static void (*crash_handler)(const char *, va_list, void *) = def_crash_handler;
|
|
|
|
void base_get_log_handler(log_handler_t *handler, void **param)
|
|
{
|
|
if (handler)
|
|
*handler = log_handler;
|
|
if (param)
|
|
*param = log_param;
|
|
}
|
|
|
|
void base_set_log_handler(log_handler_t handler, void *param)
|
|
{
|
|
if (!handler)
|
|
handler = def_log_handler;
|
|
|
|
log_param = param;
|
|
log_handler = handler;
|
|
}
|
|
|
|
void base_set_crash_handler(
|
|
void (*handler)(const char *, va_list, void *),
|
|
void *param)
|
|
{
|
|
crash_param = param;
|
|
crash_handler = handler;
|
|
}
|
|
|
|
void bcrash(const char *format, ...)
|
|
{
|
|
va_list args;
|
|
|
|
if (crashing) {
|
|
fputs("Crashed in the crash handler", stderr);
|
|
exit(2);
|
|
}
|
|
|
|
crashing = 1;
|
|
va_start(args, format);
|
|
crash_handler(format, args, crash_param);
|
|
va_end(args);
|
|
}
|
|
|
|
void blogva(int log_level, const char *format, va_list args)
|
|
{
|
|
log_handler(log_level, format, args, log_param);
|
|
}
|
|
|
|
void blog(int log_level, const char *format, ...)
|
|
{
|
|
va_list args;
|
|
|
|
va_start(args, format);
|
|
blogva(log_level, format, args);
|
|
va_end(args);
|
|
}
|