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/* SPDX-License-Identifier: BSD-3-Clause */
#include <stdarg.h>
#include <stdio.h>
#include "log.h"
/*
* Note that the logging library is not thread safe, thus calls on separate
* threads will yield an interleaved output on stderr.
*/
static log_level current_log_level = log_level_warning;
void log_set_level(log_level value) {
current_log_level = value;
}
static const char *
get_level_msg(log_level level) {
const char *value = "UNK";
switch (level) {
case log_level_error:
value = "ERROR";
break;
case log_level_warning:
value = "WARN";
break;
case log_level_verbose:
value = "INFO";
}
return value;
}
void _log(log_level level, const char *file, unsigned lineno, const char *fmt,
...) {
/* Skip printing messages outside of the log level */
if (level > current_log_level)
return;
va_list argptr;
va_start(argptr, fmt);
/* Verbose output prints file and line on error */
if (current_log_level >= log_level_verbose) {
fprintf(stderr, "%s on line: \"%u\" in file: \"%s\": ",
get_level_msg(level), lineno, file);
} else {
fprintf(stderr, "%s: ", get_level_msg(level));
}
/* Print the user supplied message */
vfprintf(stderr, fmt, argptr);
/* always add a new line so the user doesn't have to */
fprintf(stderr, "\n");
va_end(argptr);
}
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