diff options
| -rw-r--r-- | src/log.cpp | 36 |
1 files changed, 27 insertions, 9 deletions
diff --git a/src/log.cpp b/src/log.cpp index 3fac29e4..4cc48d1f 100644 --- a/src/log.cpp +++ b/src/log.cpp @@ -21,36 +21,42 @@ #include "log.h" -int warning_n; // Keep warning number FILE* logfile; #define LOG_FILE "./docs/tmw.log" - +/* + * Initializes log file by opening it for writing. + */ void init_log() { logfile = fopen(LOG_FILE, "w"); if (!logfile) { printf("Warning: error while opening log file.\n"); } - warning_n = 0; } +/* + * Enter a message in the log with a certain category. The message will be + * timestamped. + */ void log(const char *category, const char *log_text, ...) { if (logfile) { char* buf = new char[1024]; - va_list ap; + time_t t; + + // Use a temporary buffer to fill in the variables va_start(ap, log_text); vsprintf(buf, log_text, ap); va_end(ap); - time_t t; + // Get the current system time time(&t); - fprintf( - logfile, + // Print the log entry + fprintf(logfile, "[%s%d:%s%d:%s%d] %s: %s\n", (((t / 60) / 60) % 24 < 10) ? "0" : "", (int)(((t / 60) / 60) % 24), @@ -60,28 +66,40 @@ void log(const char *category, const char *log_text, ...) { (int)(t % 60), category, buf ); + + // Flush the log file fflush(logfile); + // Delete temporary buffer delete[] buf; } } - +/* + * Log an error and quit. The error will pop-up in Windows and will be printed + * to standard error everywhere else. + */ void error(const char *error_text) { log("Error", error_text); #ifdef WIN32 MessageBox(NULL, error_text, "Error", MB_ICONERROR|MB_OK); #else - printf("Error: %s", error_text); + fprintf(stderr, "Error: %s\n", error_text); #endif exit(1); } +/* + * Shortcut to log a warning. + */ void warning(const char *warning_text) { log("Warning", warning_text); } +/* + * Shortcut to log a status update, will only really be logged in debug mode. + */ void status(const char *status_text) { #ifdef DEBUG log("Status", status_text); |