mirror of https://github.com/merbanan/rtl_433.git
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/** @file
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Basic logging.
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Copyright (C) 2021 Christian W. Zuckschwerdt <zany@triq.net>
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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 General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <logger.h>
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static r_logger_handler logger_handler = NULL;
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static void *logger_handler_userdata = NULL;
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static void default_handler(log_level_t level, char const *src, char const *msg)
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{
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(void)level;
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fprintf(stderr, "%s: %s\n", src, msg);
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}
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void r_logger_set_log_handler(r_logger_handler const handler, void *userdata)
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{
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logger_handler = handler;
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logger_handler_userdata = userdata;
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}
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void print_log(log_level_t level, char const *src, char const *msg)
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{
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if (logger_handler) {
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logger_handler(level, src, msg, logger_handler_userdata);
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}
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else {
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default_handler(level, src, msg);
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}
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}
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void print_logf(log_level_t level, char const *src, char const *fmt, ...)
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{
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char msg[256];
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va_list ap;
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va_start(ap, fmt);
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vsnprintf(msg, sizeof(msg), fmt, ap);
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va_end(ap);
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print_log(level, src, msg);
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}
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