-remove async ecc key generation, not needed

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

diff --git a/src/util/common_allocation.c b/src/util/common_allocation.c
index 31da5829b822cd967579bd30bd047fbdf2332c82..dfa65d579dc6b74b0e566e44baff2fc5451dcaa1 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__)
 
@@ -65,10 +70,10 @@ GNUNET_xmalloc_ (size_t size, const char *filename, int linenumber)
   GNUNET_assert_at (size <= GNUNET_MAX_MALLOC_CHECKED, filename, linenumber);
   ret = GNUNET_xmalloc_unchecked_ (size, filename, linenumber);
   if (ret == NULL)
-    {
-      LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "malloc");
-      abort ();
-    }
+  {
+    LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "malloc");
+    GNUNET_abort ();
+  }
   return ret;
 }
 
@@ -86,7 +91,7 @@ GNUNET_xmalloc_ (size_t size, const char *filename, int linenumber)
  */
 void *
 GNUNET_xmemdup_ (const void *buf, size_t size, const char *filename,
-                int linenumber)
+                 int linenumber)
 {
   void *ret;
 
@@ -101,10 +106,10 @@ GNUNET_xmemdup_ (const void *buf, size_t size, const char *filename,
   GNUNET_assert_at (size < INT_MAX, filename, linenumber);
   ret = malloc (size);
   if (ret == NULL)
-    {
-      LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "malloc");
-      abort ();
-    }
+  {
+    LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "malloc");
+    GNUNET_abort ();
+  }
 #ifdef W32_MEM_LIMIT
   *((size_t *) ret) = size;
   ret = &((size_t *) ret)[1];
@@ -136,7 +141,6 @@ GNUNET_xmalloc_unchecked_ (size_t size, const char *filename, int linenumber)
     return NULL;
 #endif
 
-  GNUNET_assert_at (size < INT_MAX, filename, linenumber);
   result = malloc (size);
   if (result == NULL)
     return NULL;
@@ -172,10 +176,10 @@ GNUNET_xrealloc_ (void *ptr, size_t n, const char *filename, int linenumber)
 #endif
   ptr = realloc (ptr, n);
   if ((NULL == ptr) && (n > 0))
-    {
-      LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "realloc");
-      abort ();
-    }
+  {
+    LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "realloc");
+    GNUNET_abort ();
+  }
 #ifdef W32_MEM_LIMIT
   ptr = &((size_t *) ptr)[1];
 #endif
@@ -183,6 +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.
@@ -198,6 +218,20 @@ GNUNET_xfree_ (void *ptr, const char *filename, int linenumber)
 #ifdef W32_MEM_LIMIT
   ptr = &((size_t *) ptr)[-1];
   mem_used -= *((size_t *) ptr);
+#endif
+#if defined(M_SIZE)
+#if ENABLE_POISONING
+  {
+    const uint64_t baadfood = GNUNET_ntohll (0xBAADF00DBAADF00DLL);
+    uint64_t *base = ptr;
+    size_t s = M_SIZE (ptr);  
+    size_t i;
+    
+    for (i=0;i<s/8;i++)
+      base[i] = baadfood;
+    memcpy (&base[s/8], &baadfood, s % 8);
+  }
+#endif
 #endif
   free (ptr);
 }
@@ -222,6 +256,21 @@ GNUNET_xstrdup_ (const char *str, const char *filename, int linenumber)
 }
 
 
+#if ! HAVE_STRNLEN
+static size_t
+strnlen (const char *s, 
+        size_t n)
+{
+  const char *e;
+
+  e = memchr (s, '\0', n);
+  if (NULL == e)
+    return n;
+  return e - s;
+}
+#endif
+
+
 /**
  * Dup partially a string (same semantics as strndup).
  *
@@ -233,15 +282,17 @@ GNUNET_xstrdup_ (const char *str, const char *filename, int linenumber)
  */
 char *
 GNUNET_xstrndup_ (const char *str, size_t len, const char *filename,
-                 int linenumber)
+                  int linenumber)
 {
   char *res;
 
+  if (0 == len)
+    return GNUNET_strdup ("");
   GNUNET_assert_at (str != NULL, filename, linenumber);
-  len = GNUNET_MIN (len, strlen (str));
+  len = strnlen (str, len);
   res = GNUNET_xmalloc_ (len + 1, filename, linenumber);
   memcpy (res, str, len);
-  res[len] = '\0';
+  /* res[len] = '\0'; 'malloc' zeros out anyway */
   return res;
 }
 
@@ -260,7 +311,7 @@ GNUNET_xstrndup_ (const char *str, size_t len, const char *filename,
  */
 void
 GNUNET_xgrow_ (void **old, size_t elementSize, unsigned int *oldCount,
-              unsigned int newCount, const char *filename, int linenumber)
+               unsigned int newCount, const char *filename, int linenumber)
 {
   void *tmp;
   size_t size;
@@ -268,22 +319,22 @@ GNUNET_xgrow_ (void **old, size_t elementSize, unsigned int *oldCount,
   GNUNET_assert_at (INT_MAX / elementSize > newCount, filename, linenumber);
   size = newCount * elementSize;
   if (size == 0)
-    {
-      tmp = NULL;
-    }
+  {
+    tmp = NULL;
+  }
   else
-    {
-      tmp = GNUNET_xmalloc_ (size, filename, linenumber);
-      memset (tmp, 0, size);   /* client code should not rely on this, though... */
-      if (*oldCount > newCount)
-       *oldCount = newCount;   /* shrink is also allowed! */
-      memcpy (tmp, *old, elementSize * (*oldCount));
-    }
+  {
+    tmp = GNUNET_xmalloc_ (size, filename, linenumber);
+    memset (tmp, 0, size);      /* client code should not rely on this, though... */
+    if (*oldCount > newCount)
+      *oldCount = newCount;     /* shrink is also allowed! */
+    memcpy (tmp, *old, elementSize * (*oldCount));
+  }
 
   if (*old != NULL)
-    {
-      GNUNET_xfree_ (*old, filename, linenumber);
-    }
+  {
+    GNUNET_xfree_ (*old, filename, linenumber);
+  }
   *old = tmp;
   *oldCount = newCount;
 }