f53df7da64
Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
135 lines
3.0 KiB
C
135 lines
3.0 KiB
C
/*
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* Copyright (c) 2013 Hugh Bailey <obs.jim@gmail.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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#ifdef _DEBUG
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static int log_output_level = LOG_DEBUG;
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#else
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static int log_output_level = LOG_INFO;
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#endif
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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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if (log_level <= log_output_level) {
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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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}
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UNUSED_PARAMETER(param);
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}
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#ifdef _MSC_VER
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#define NORETURN __declspec(noreturn)
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#else
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#define NORETURN __attribute__((noreturn))
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#endif
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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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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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}
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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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