git-svn-id: svn://svn.berlios.de/openocd/trunk@228 b42882b7-edfa-0310-969c-e2dbd0fdcd60

1 files changed, 35 insertions, 1 deletions

diff --git a/src/helper/replacements.c b/src/helper/replacements.c
index 769296a0..5804b197 100644
--- a/src/helper/replacements.c
+++ b/src/helper/replacements.c
@@ -19,7 +19,41 @@
  ***************************************************************************/
 #ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
+#endif

+

+/* DANGER!!!! These must be defined *BEFORE* replacements.h and the malloc() macro!!!! */
+
+#include <stdlib.h>
+#include <strings.h>
+/* 

+ * clear_malloc

+ *

+ * will alloc memory and clear it

+ */
+void *clear_malloc(size_t size)
+{
+	void *t = malloc(size);
+	if (t!=NULL)
+	{
+		memset(t, 0x00, size);
+	}
+	return t;
+}
+
+void *fill_malloc(size_t size)
+{
+	void *t = malloc(size);
+	if (t!=NULL)
+	{
+		/* We want to initialize memory to some known bad state.  */
+		/* 0 and 0xff yields 0 and -1 as integers, which often		*/
+		/* have meaningful values. 0x5555... is not often a valid	*/
+		/* integer and is quite easily spotted in the debugger		*/
+		/* also it is almost certainly an invalid address					*/
+		memset(t, 0x55, size);
+	}
+	return t;
+}
 
 #include "replacements.h"