X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flog.cpp;h=23fc806fa325bccc970b0a1661d49ef285001e82;hb=39ab246ce68e50df4757bbe395d6722ada582927;hp=bdbab62c4a8a366c4d6f551a5545f8ea7ddd8321;hpb=86bd0f2592c3cd674239532247276bd2d579a857;p=virtualjaguar diff --git a/src/log.cpp b/src/log.cpp index bdbab62..23fc806 100644 --- a/src/log.cpp +++ b/src/log.cpp @@ -1,60 +1,80 @@ -////////////////////////////////////////////////////////////////////////////// // -////////////////////////////////////////////////////////////////////////////// +// Log handler // +// Originally by David Raingeard (Cal2) +// GCC/SDL port by Niels Wagenaar (Linux/WIN32) and Caz (BeOS) +// Cleanups/new stuff by James Hammons +// (C) 2010 Underground Software // +// JLH = James Hammons // +// Who When What +// --- ---------- ------------------------------------------------------------- +// JLH 01/16/2010 Created this log ;-) +// JLH 07/11/2011 Instead of dumping out on max log file size being reached, we +// now just silently ignore any more output. 10 megs ought to be +// enough for anybody. ;-) Except when it isn't. :-P // -// -// -////////////////////////////////////////////////////////////////////////////// -#include "include/log.h" +#include "log.h" -FILE *log_stream=NULL; +#include +#include +#include -////////////////////////////////////////////////////////////////////////////// -// -////////////////////////////////////////////////////////////////////////////// -// -// -// -// -// -// -////////////////////////////////////////////////////////////////////////////// -int log_init(char *path) + +//#define MAX_LOG_SIZE 10000000 // Maximum size of log file (10 MB) +#define MAX_LOG_SIZE 100000000 // Maximum size of log file (100 MB) + +static FILE * log_stream = NULL; +static uint32_t logSize = 0; + +int LogInit(const char * path) { - log_stream=fopen(path,"wrt"); - if (log_stream==NULL) - return(0); - return(1); + log_stream = fopen(path, "w"); + + if (log_stream == NULL) + return 0; + + return 1; } -////////////////////////////////////////////////////////////////////////////// -// -////////////////////////////////////////////////////////////////////////////// -// -// -// -// -// -// -////////////////////////////////////////////////////////////////////////////// -FILE *log_get(void) + +FILE * LogGet(void) { - return(log_stream); + return log_stream; } -////////////////////////////////////////////////////////////////////////////// -// -////////////////////////////////////////////////////////////////////////////// -// -// -// -// + +void LogDone(void) +{ + if (log_stream != NULL) + fclose(log_stream); +} + // +// This logger is used mainly to ensure that text gets written to the log file +// even if the program crashes. The performance hit is acceptable in this case! // -////////////////////////////////////////////////////////////////////////////// -void log_done(void) +void WriteLog(const char * text, ...) { - fclose(log_stream); + va_list arg; + va_start(arg, text); + + if (log_stream == NULL) + { + va_end(arg); + return; + } + + logSize += vfprintf(log_stream, text, arg); + + if (logSize > MAX_LOG_SIZE) + { + // Instead of dumping out, we just close the file and ignore any more output. + fflush(log_stream); + fclose(log_stream); + log_stream = NULL; + } + + va_end(arg); + fflush(log_stream); // Make sure that text is written! }