43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
#include "log.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <time.h>
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static const char* log_level_strings[] = {"DEBUG", "INFO", "WARN", "ERROR"};
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static LogLevel current_log_level = LOG_LEVEL_WARNING;
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static FILE* log_fp = NULL;
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void set_log_level(LogLevel level) {
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current_log_level = level;
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}
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void log_set_file(FILE* fp) {
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log_fp = fp;
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}
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void log_message(LogLevel log_level, const char* format, ...) {
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if (log_level < current_log_level)
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return;
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time_t now = time(NULL);
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const struct tm* t = localtime(&now);
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fprintf(stderr, "%04d-%02d-%02d %02d:%02d:%02d [%s]: ", t->tm_year + 1900, t->tm_mon + 1,
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t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec, log_level_strings[log_level]);
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va_list args;
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va_start(args, format);
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vfprintf(stderr, format, args);
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va_end(args);
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fprintf(stderr, "\n");
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if (log_fp) {
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fprintf(log_fp, "%04d-%02d-%02d %02d:%02d:%02d [%s]: ", t->tm_year + 1900, t->tm_mon + 1,
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t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec, log_level_strings[log_level]);
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va_start(args, format);
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vfprintf(log_fp, format, args);
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va_end(args);
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fprintf(log_fp, "\n");
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fflush(log_fp);
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}
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}
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