move options handling to separate file to better support embedded implementations...

[openocd] / src / helper / replacements.c

diff --git a/src/helper/replacements.c b/src/helper/replacements.c
index 769296a016fbdc3deed2bd4495ea873ccce08da4..7a6729b8129f6938243f9f39022c2a4227453209 100644 (file)
--- a/src/helper/replacements.c
+++ b/src/helper/replacements.c
@@ -21,6 +21,41 @@
 #include "config.h"
 #endif
 
+/* DANGER!!!! These must be defined *BEFORE* replacements.h and the malloc() macro!!!! */
+
+#include <stdlib.h>
+#include <string.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"
 
 #include <stdio.h>