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/*
* Copyright (c) 2023 Lain Bailey <lain@obsproject.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"
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[8192];
vsnprintf(out, sizeof(out), format, args);
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);
}
OBS_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;
}
OBS_NORETURN 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);
exit(0);
}
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);
}
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