Mercurial > hg > ucx / changeset

     1.1 --- a/ucx/buffer.c	Mon Feb 27 11:45:31 2017 +0100
     1.2 +++ b/ucx/buffer.c	Mon Feb 27 17:25:36 2017 +0100
     1.3 @@ -64,8 +64,9 @@
     1.4  
     1.5  UcxBuffer* ucx_buffer_extract(
     1.6          UcxBuffer *src, size_t start, size_t length, int flags) {
     1.7 -    
     1.8 -    if (src->size == 0 || length == 0 || start+length > src->capacity) {
     1.9 +    if (src->size == 0 || length == 0 ||
    1.10 +        ((size_t)-1) - start < length || start+length > src->capacity)
    1.11 +    {
    1.12          return NULL;
    1.13      }
    1.14