b3c6ea86ad
In the case of windows, allow for the OutputDebugString call in addition to logging to stderr. Useful for the dll scenario and debugging in Visual Studio.
97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
/*-
|
|
* Copyright (C) 2011 Romain Tartière
|
|
* Copyright (C) 2011, 2012 Romuald Conty
|
|
* Copyright (C) 2013 Alex Lian
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify it
|
|
* under the terms of the GNU Lesser General Public License as published by the
|
|
* Free Software Foundation, either version 3 of the License, or (at your
|
|
* option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
|
*/
|
|
|
|
#include "log.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <inttypes.h>
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
#include <fcntl.h>
|
|
|
|
#ifndef LOG
|
|
// Leaving in a preprocessor error, as the build system should skip this
|
|
// file otherwise.
|
|
#error "No logging defined, but log-printf.c still compiled."
|
|
#else // LOG
|
|
|
|
// Internal methods so different platforms can route the logging
|
|
// Offering both forms of the variadic function
|
|
// These are implemented in the log_<platform> specific file
|
|
void log_put_internal(const char *format, ...);
|
|
void log_vput_internal(const char *format, va_list args);
|
|
|
|
void
|
|
log_init(const nfc_context *context)
|
|
{
|
|
#ifdef ENVVARS
|
|
char str[32];
|
|
sprintf(str, "%"PRIu32, context->log_level);
|
|
setenv("LIBNFC_LOG_LEVEL", str, 1);
|
|
#else
|
|
(void)context;
|
|
#endif
|
|
}
|
|
|
|
void
|
|
log_exit(void)
|
|
{
|
|
}
|
|
|
|
void
|
|
log_put(const uint8_t group, const char *category, const uint8_t priority, const char *format, ...)
|
|
{
|
|
char *env_log_level = NULL;
|
|
#ifdef ENVVARS
|
|
env_log_level = getenv("LIBNFC_LOG_LEVEL");
|
|
#endif
|
|
uint32_t log_level;
|
|
if (NULL == env_log_level) {
|
|
// LIBNFC_LOG_LEVEL is not set
|
|
#ifdef DEBUG
|
|
log_level = 3;
|
|
#else
|
|
log_level = 1;
|
|
#endif
|
|
} else {
|
|
log_level = atoi(env_log_level);
|
|
}
|
|
|
|
// printf("log_level = %"PRIu32" group = %"PRIu8" priority = %"PRIu8"\n", log_level, group, priority);
|
|
if (log_level) { // If log is not disabled by log_level=none
|
|
if (((log_level & 0x00000003) >= priority) || // Global log level
|
|
(((log_level >> (group * 2)) & 0x00000003) >= priority)) { // Group log level
|
|
|
|
va_list va;
|
|
va_start(va, format);
|
|
|
|
// fprintf(stderr, "%s\t%s\t", log_priority_to_str(priority), category);
|
|
// vfprintf(stderr, format, va);
|
|
// fprintf(stderr, "\n");
|
|
|
|
log_put_internal("%s\t%s\t", log_priority_to_str(priority), category);
|
|
log_vput_internal(format, va);
|
|
log_put_internal("\n");
|
|
va_end(va);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif // LOG
|