#include "logger.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <time.h>
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#ifdef __unix__
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#include <unistd.h>
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#define MAX_PATH 255
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#else
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#include <windows.h>
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#endif
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static FILE *logFile = NULL;
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static void timenow(char * buffer) {
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time_t rawtime;
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struct tm *timeinfo;
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time(&rawtime);
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timeinfo = localtime(&rawtime);
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strftime(buffer, 64, "%Y-%m-%d %H:%M:%S", timeinfo);
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}
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static void getLogFname(char* logpath) {
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#ifdef __unix__
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const char *folder = getenv("TMPDIR");
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if (folder == 0) {
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folder = "/tmp";
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}
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strncpy(logpath, folder, MAX_PATH);
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strncat(logpath, "/open-license.log", MAX_PATH - strlen(logpath));
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#else
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const int plen = GetTempPath(MAX_PATH, logpath);
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if(plen == 0) {
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fprintf(stderr, "Error getting temporary directory path");
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}
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strncat(logpath, "open-license.log", MAX_PATH - strlen(logpath));
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#endif
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}
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void _log(const char* format, ...) {
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va_list args;
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char * buffer;
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if (logFile == NULL) {
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char logpath[MAX_PATH];
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getLogFname(logpath);
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logFile = fopen(logpath, "a");
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if (logFile == NULL) {
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//what shall we do here?
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return;
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}
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}
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buffer = (char *) malloc(sizeof(char) * strlen(format) + 64);
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timenow(buffer);
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sprintf(&buffer[strlen(buffer) - 1], "-[%d]-", getpid());
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strcat(buffer, format);
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va_start(args, format);
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vfprintf(logFile, buffer, args);
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va_end(args);
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free(buffer);
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}
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void _shutdown_log() {
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if (logFile != NULL) {
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fclose(logFile);
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logFile = NULL;
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}
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}
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