Use pointer and explicit allocation instead of buffer at the end of a

struct-trick.

Rev: src/randomness.c:1.7
Rev: src/write_buffer.h:1.10

src/randomness.c

@@ -36,7 +36,7 @@ struct poor_random
   struct randomness super;
   struct hash_instance *hash;
   UINT32 pos;
-  UINT8 buffer[1];
+  UINT8 *buffer;
 };
 
 static void do_poor_random(struct randomness **r, UINT32 length, UINT8 *dst)
@@ -80,7 +80,8 @@ struct randomness *make_poor_random(struct hash_algorithm *hash,
   
   self->super.random = do_poor_random;
   self->hash = MAKE_HASH(hash);
-
+  self->buffer = lsh_space_alloc(hash->hash_size);
+  
   HASH_UPDATE(self->hash, sizeof(now), (UINT8 *) &now);
   HASH_UPDATE(self->hash, init->length, init->data);
   HASH_DIGEST(self->hash, self->buffer);

src/write_buffer.h

@@ -42,6 +42,7 @@ struct write_buffer
   struct abstract_write super;
   
   UINT32 block_size;
+  UINT8 *buffer; /* Size is twice the blocksize */
 
   int empty;
 
@@ -60,7 +61,6 @@ struct write_buffer
 
   UINT32 start;
   UINT32 end;
-  UINT8 buffer[1]; /* Real size is twice the blocksize */
 };
 
 struct write_buffer *write_buffer_alloc(UINT32 size);