X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosdemo;a=blobdiff_plain;f=src%2Fdos%2Flogger.c;h=f7e9256e5a85993f20dcc5952f762ee4b257ee17;hp=73860e3cb44428fd94b0ba085d147100de9658de;hb=0b870b76705b3e597da3f6a11e0499deedbeee30;hpb=07ce18b114e1e01b2a85a04079128f3eb754de1d

diff --git a/src/dos/logger.c b/src/dos/logger.c
index 73860e3..f7e9256 100644
--- a/src/dos/logger.c
+++ b/src/dos/logger.c
@@ -1,46 +1,21 @@
-/*
-colcycle - color cycling image viewer
-Copyright (C) 2016  John Tsiombikas <nuclear@member.fsf.org>
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
 #include <stdio.h>
-#include <stdarg.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
 #include "logger.h"
 
-#define LOGFNAME	"demo.log"
-
-static FILE *logfile;
-
-void logger_output(FILE *fp)
+int init_logger(const char *fname)
 {
-	if(logfile) fclose(logfile);
-	logfile = fp;
-}
-
-void printlog(const char *fmt, ...)
-{
-	va_list ap;
-
-	if(!logfile) {
-		if(!(logfile = fopen(LOGFNAME, "w"))) {
-			return;
-		}
-		setvbuf(logfile, 0, _IOLBF, 0);
+	int fd;
+	if((fd = open(fname, O_WRONLY)) == -1) {
+		fprintf(stderr, "init_logger: failed to open %s: %s\n", fname, strerror(errno));
+		return -1;
 	}
 
-	va_start(ap, fmt);
-	vfprintf(logfile, fmt, ap);
-	va_end(ap);
+	close(1);
+	close(2);
+	dup(fd);
+	dup(fd);
+	return 0;
 }