Added log func

src/Makefile

@@ -3,7 +3,7 @@
 
 include config.mk
 
-SRC = drw.c dwm.c util.c
+SRC = drw.c dwm.c util.c log.c
 OBJ = ${SRC:.c=.o}
 
 all: options dwm dwm-msg

src/config.h

@@ -1,5 +1,8 @@
 /* See LICENSE file for copyright and license details. */
 
+/* logging */
+static const char* logfile			= "/tmp/dwm.log";
+
 /* appearance */
 static const unsigned int borderpx	= 4;		/* border pixel of windows */
 static const unsigned int snap		= 16;		/* snap pixel (32)*/

src/dwm.c

@@ -44,6 +44,7 @@
 
 #include "drw.h"
 #include "util.h"
+#include "log.h"
 
 /* macros */
 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)

src/log.c

@@ -1,3 +1,16 @@
 /* See LICENSE file for copyright and license details. */
 
+#include <stdio.h>
+#include <stdarg.h>
+
+#include "config.h"
 #include "log.h" 
+
+void flog(char* fstr, ...) {
+	FILE* fp;
+	fp = fopen(logfile, "a");
+
+	fprintf(fp, fstr, ...);
+	
+	fclose(fp);
+}

src/log.h

@@ -1,3 +1,3 @@
 /* See LICENSE file for copyright and license details. */
 
-static void log();
+static void flog(char* fstr, ...);