fwritelog() will now auto-close a log file when it reaches the max size

src/sbbs3/ctrl/MainFormUnit.cpp

@@ -417,7 +417,7 @@ static void event_log_msg(log_msg_t* msg)
 			if(msg->repeated)
 				Line += " [x" + AnsiString(msg->repeated + 1) + "]";
 			Line+="\n";
-			fwritelog(AnsiString(Line).c_str(),Line.Length(),LogStream);
+			fwritelog(&MainForm->cfg, AnsiString(Line).c_str(), Line.Length(), &LogStream);
 		}
 	}
 }

src/sbbs3/nopen.c

@@ -237,9 +237,15 @@ FILE* fopenlog(scfg_t* cfg, const char* path)
 	return fp;
 }
 
-size_t fwritelog(void* buf, size_t size, FILE* fp)
+// Write to a log file and may close it if reached max size
+size_t fwritelog(scfg_t* cfg, void* buf, size_t size, FILE** fp)
 {
-	return fwrite(buf, 1, size, fp);
+	size_t result = fwrite(buf, 1, size, *fp);
+	if(cfg->max_log_size && ftell(*fp) >= (off_t)cfg->max_log_size) {
+		fclose(*fp);
+		*fp = NULL;
+	}
+	return result;
 }
 
 void fcloselog(FILE* fp)

src/sbbs3/nopen.h

@@ -37,7 +37,7 @@ BOOL	fmutex(const char* fname, const char* text, long max_age);
 BOOL	fcompare(const char* fn1, const char* fn2);
 BOOL	backup(const char* org, int backup_level, BOOL ren);
 FILE*	fopenlog(scfg_t*, const char* path);
-size_t	fwritelog(void* buf, size_t size, FILE*);
+size_t	fwritelog(scfg_t*, void* buf, size_t size, FILE**);
 void	fcloselog(FILE*);
 
 #ifdef __cplusplus