-typo

[oweals/gnunet.git] / src / util / common_allocation.c

diff --git a/src/util/common_allocation.c b/src/util/common_allocation.c
index 801eeeebc349216ca92441e25e371645c6bbd300..ab8715a6d27d4789093ee24e8d325a41c7900bcd 100644 (file)
--- a/src/util/common_allocation.c
+++ b/src/util/common_allocation.c
@@ -23,9 +23,14 @@
  * @brief wrapper around malloc/free
  * @author Christian Grothoff
  */
-
 #include "platform.h"
 #include "gnunet_common.h"
+#if HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+#if HAVE_MALLOC_MALLOC_H
+#include <malloc/malloc.h>
+#endif
 
 #define LOG(kind,...) GNUNET_log_from (kind, "util",__VA_ARGS__)
 
@@ -182,6 +187,22 @@ GNUNET_xrealloc_ (void *ptr, size_t n, const char *filename, int linenumber)
 }
 
 
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+#define BAADFOOD_STR "\x0D\xF0\xAD\xBA"
+#endif
+# if __BYTE_ORDER == __BIG_ENDIAN
+#define BAADFOOD_STR "\xBA\xAD\xF0\x0D"
+#endif
+
+#if WINDOWS
+#define M_SIZE(p) _msize (p)
+#endif
+#if HAVE_MALLOC_USABLE_SIZE
+#define M_SIZE(p) malloc_usable_size (p)
+#elif HAVE_MALLOC_SIZE
+#define M_SIZE(p) malloc_size (p)
+#endif
+
 /**
  * Free memory. Merely a wrapper for the case that we
  * want to keep track of allocations.
@@ -198,12 +219,12 @@ GNUNET_xfree_ (void *ptr, const char *filename, int linenumber)
   ptr = &((size_t *) ptr)[-1];
   mem_used -= *((size_t *) ptr);
 #endif
-#if WINDOWS
+#if defined(M_SIZE)
 #if ENABLE_POISONING
   {
     size_t i;
-    char baadfood[4] = "\xBA\xAD\xF0\x0D";
-    size_t s = _msize (ptr);
+    char baadfood[5] = BAADFOOD_STR;
+    size_t s = M_SIZE (ptr);
     for (i = 0; i < s; i++)
       ((char *) ptr)[i] = baadfood[i % 4];
   }
@@ -251,7 +272,7 @@ GNUNET_xstrndup_ (const char *str, size_t len, const char *filename,
   len = GNUNET_MIN (len, strlen (str));
   res = GNUNET_xmalloc_ (len + 1, filename, linenumber);
   memcpy (res, str, len);
-  res[len] = '\0';
+  /* res[len] = '\0'; 'malloc' zeros out anyway */
   return res;
 }