magnetic-tesseroids/lib/logger.cpp
2022-12-17 10:38:55 +08:00

117 lines
2.3 KiB
C++
Executable File

/*
Functions to set up logging.
*/
#include <stdio.h>
#include <stdarg.h>
#include <time.h>
#include "logger.h"
/* Initialize the logger so that it doesn't print by default */
LOGGER logger = {100, 0, 100, NULL};
/* Setup logging to stderr.*/
void log_init(int level)
{
logger.level = level;
}
/* Set logging to a file. */
void log_tofile(FILE *logfile, int level)
{
logger.filelogging = 1;
logger.logfile = logfile;
logger.file_level = level;
}
/* Log a message at debug level */
void log_debug(const char *fmt, ...)
{
char msg[10000];
va_list args;
va_start(args, fmt);
//vsprintf(msg, fmt, args);
vsnprintf(msg, 10000, fmt, args); // Edited by Yi Zhang on 2022-12-17
va_end(args);
if(logger.level <= LOG_DEBUG)
{
fprintf(stderr, "DEBUG: %s\n", msg);
}
if(logger.filelogging && (logger.file_level <= LOG_DEBUG))
{
fprintf(logger.logfile, "DEBUG: %s\n", msg);
}
}
/* Log a message at info level */
void log_info(const char *fmt, ...)
{
char msg[10000];
va_list args;
va_start(args, fmt);
//vsprintf(msg, fmt, args);
vsnprintf(msg, 10000, fmt, args); // Edited by Yi Zhang on 2022-12-17
va_end(args);
if(logger.level <= LOG_INFO)
{
fprintf(stderr, "%s\n", msg);
}
if(logger.filelogging && logger.file_level <= LOG_INFO)
{
fprintf(logger.logfile, "%s\n", msg);
}
}
/* Log a message at warning level */
void log_warning(const char *fmt, ...)
{
char msg[10000];
va_list args;
va_start(args, fmt);
//vsprintf(msg, fmt, args);
vsnprintf(msg, 10000, fmt, args); // Edited by Yi Zhang on 2022-12-17
va_end(args);
if(logger.level <= LOG_WARNING)
{
fprintf(stderr, "WARNING: %s\n", msg);
}
if(logger.filelogging && logger.file_level <= LOG_WARNING)
{
fprintf(logger.logfile, "WARNING: %s\n", msg);
}
}
/* Log a message at error level */
void log_error(const char *fmt, ...)
{
char msg[10000];
va_list args;
va_start(args, fmt);
//vsprintf(msg, fmt, args);
vsnprintf(msg, 10000, fmt, args); // Edited by Yi Zhang on 2022-12-17
va_end(args);
if(logger.level <= LOG_ERROR)
{
fprintf(stderr, "ERROR: %s\n", msg);
}
if(logger.filelogging && logger.file_level <= LOG_ERROR)
{
fprintf(logger.logfile, "ERROR: %s\n", msg);
}
}