git-svn-id: svn://svn.berlios.de/openocd/trunk@228 b42882b7-edfa-0310-969c-e2dbd0fdcd60
[openocd.git] / src / helper / replacements.c
index 769296a016fbdc3deed2bd4495ea873ccce08da4..5804b1973adb2946bf6e3e30e191c92717042ff5 100644 (file)
  ***************************************************************************/
 #ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
+#endif\r
+\r
+/* DANGER!!!! These must be defined *BEFORE* replacements.h and the malloc() macro!!!! */
+
+#include <stdlib.h>
+#include <strings.h>
+/* \r
+ * clear_malloc\r
+ *\r
+ * will alloc memory and clear it\r
+ */
+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"
 

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