From 2c038ac106629d78c31763f8c8498e579b3b672c Mon Sep 17 00:00:00 2001
From: reinelt <>
Date: Sat, 25 Mar 2000 05:50:43 +0000
Subject: [lcd4linux @ 2000-03-25 05:50:43 by reinelt] memory leak in
 Raster_flush closed driver family logic changed

---
 Raster.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

(limited to 'Raster.c')

diff --git a/Raster.c b/Raster.c
index 34c4cd9..1159612 100644
--- a/Raster.c
+++ b/Raster.c
@@ -1,4 +1,4 @@
-/* $Id: Raster.c,v 1.2 2000/03/24 11:36:56 reinelt Exp $
+/* $Id: Raster.c,v 1.3 2000/03/25 05:50:43 reinelt Exp $
  *
  * driver for raster formats
  *
@@ -20,6 +20,11 @@
  *
  *
  * $Log: Raster.c,v $
+ * Revision 1.3  2000/03/25 05:50:43  reinelt
+ *
+ * memory leak in Raster_flush closed
+ * driver family logic changed
+ *
  * Revision 1.2  2000/03/24 11:36:56  reinelt
  *
  * new syntax for raster configuration
@@ -65,14 +70,16 @@ static int background=0;
 int Raster_flush (void)
 {
   int xsize, ysize, row, col;
-  unsigned char *buffer;
   unsigned char R[3], G[3], B[3];
+  static unsigned char *buffer=NULL;
   
   xsize=2*border+(Display.cols-1)*cgap+Display.cols*Display.xres*(pixel+pgap);
   ysize=2*border+(Display.rows-1)*rgap+Display.rows*Display.yres*(pixel+pgap);
   
-  if ((buffer=malloc(xsize*ysize*sizeof(*buffer)))==NULL)
-    return -1;
+  if (buffer==NULL) {
+    if ((buffer=malloc(xsize*ysize*sizeof(*buffer)))==NULL)
+      return -1;
+  }
 
   memset (buffer, 0, xsize*ysize*sizeof(*buffer));
   
@@ -107,7 +114,6 @@ int Raster_flush (void)
       printf("%c%c%c", R[i], G[i], B[i]);
     }
   }
-
   return 0;
 }
 
@@ -179,5 +185,5 @@ int Raster_bar (int type, int row, int col, int max, int len1, int len2)
 
 DISPLAY Raster[] = {
   { "PPM", 0, 0, 0, 0, BARS, Raster_init, Raster_clear, Raster_put, Raster_bar, Raster_flush },
-  { "" }
+  { NULL }
 };
-- 
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