updates.

[silc.git] / lib / silcutil / silcbufutil.h

diff --git a/lib/silcutil/silcbufutil.h b/lib/silcutil/silcbufutil.h
index 6b41270aad5536d2881eaa33e4c4963dff4dac86..7016b71e6ab231607cbeef4e048fbb9e26abdcb7 100644 (file)
--- a/lib/silcutil/silcbufutil.h
+++ b/lib/silcutil/silcbufutil.h
@@ -75,10 +75,16 @@ SilcBuffer silc_buffer_clone(SilcBuffer sb)
    except that there is now more space at the end of buffer. */
 
 extern inline
-SilcBuffer silc_buffer_realloc(SilcBuffer sb, unsigned int newsize)
+SilcBuffer silc_buffer_realloc(SilcBuffer sb, uint32 newsize)
 {
   SilcBuffer sb_new;
 
+  if (!sb)
+    return silc_buffer_alloc(newsize);
+
+  if (newsize <= sb->truelen)
+    return sb;
+
   sb_new = silc_buffer_alloc(newsize);
   silc_buffer_pull_tail(sb_new, SILC_BUFFER_END(sb_new));
   silc_buffer_put(sb_new, sb->head, sb->truelen);