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https://github.com/robotn/gohook.git
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61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
/* Copyright (C) 2006-2017 Alexander Barker.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include "iohook.h"
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#include "logger.h"
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static bool default_logger(unsigned int level, const char *format, ...) {
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bool status = false;
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#ifndef USE_QUIET
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va_list args;
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switch (level) {
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#ifdef USE_DEBUG
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case LOG_LEVEL_DEBUG:
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#endif
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case LOG_LEVEL_INFO:
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va_start(args, format);
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status = vfprintf(stdout, format, args) >= 0;
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va_end(args);
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break;
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case LOG_LEVEL_WARN:
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case LOG_LEVEL_ERROR:
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va_start(args, format);
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status = vfprintf(stderr, format, args) >= 0;
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va_end(args);
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break;
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}
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#endif
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return status;
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}
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// Current logger function pointer, this should never be null.
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// FIXME This should be static and wrapped with a public facing function.
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logger_t logger = &default_logger;
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IOHOOK_API void hook_set_logger(logger_t logger_proc) {
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if (logger_proc == NULL) {
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logger = &default_logger;
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}
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else {
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logger = logger_proc;
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}
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}
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