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122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
/*
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* Copyright (c) 2023 Lain Bailey <lain@obsproject.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "c99defs.h"
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#include "base.h"
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static int crashing = 0;
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static void *log_param = NULL;
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static void *crash_param = NULL;
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static void def_log_handler(int log_level, const char *format, va_list args,
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void *param)
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{
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char out[4096];
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vsnprintf(out, sizeof(out), format, args);
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switch (log_level) {
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case LOG_DEBUG:
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fprintf(stdout, "debug: %s\n", out);
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fflush(stdout);
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break;
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case LOG_INFO:
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fprintf(stdout, "info: %s\n", out);
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fflush(stdout);
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break;
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case LOG_WARNING:
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fprintf(stdout, "warning: %s\n", out);
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fflush(stdout);
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break;
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case LOG_ERROR:
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fprintf(stderr, "error: %s\n", out);
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fflush(stderr);
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}
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UNUSED_PARAMETER(param);
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}
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OBS_NORETURN static void def_crash_handler(const char *format, va_list args,
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void *param)
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{
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vfprintf(stderr, format, args);
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exit(0);
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UNUSED_PARAMETER(param);
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}
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static log_handler_t log_handler = def_log_handler;
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static void (*crash_handler)(const char *, va_list, void *) = def_crash_handler;
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void base_get_log_handler(log_handler_t *handler, void **param)
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{
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if (handler)
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*handler = log_handler;
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if (param)
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*param = log_param;
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}
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void base_set_log_handler(log_handler_t handler, void *param)
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{
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if (!handler)
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handler = def_log_handler;
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log_param = param;
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log_handler = handler;
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}
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void base_set_crash_handler(void (*handler)(const char *, va_list, void *),
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void *param)
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{
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crash_param = param;
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crash_handler = handler;
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}
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OBS_NORETURN void bcrash(const char *format, ...)
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{
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va_list args;
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if (crashing) {
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fputs("Crashed in the crash handler", stderr);
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exit(2);
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}
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crashing = 1;
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va_start(args, format);
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crash_handler(format, args, crash_param);
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va_end(args);
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exit(0);
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}
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void blogva(int log_level, const char *format, va_list args)
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{
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log_handler(log_level, format, args, log_param);
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}
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void blog(int log_level, const char *format, ...)
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{
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va_list args;
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va_start(args, format);
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blogva(log_level, format, args);
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va_end(args);
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}
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