[Mesa-dev] [PATCH] glsl: use ptrdiff_t cast to silence g++ sign warning

[Ian Romanick]

This seems fine.  But I don't get a warning here, and that seems a
little odd.  I'm a pretty old GCC... 4.7.2.  What are you on?

Either way, this patch is

Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>

On 09/22/2014 08:44 AM, Brian Paul wrote:
> ---
>  src/glsl/link_uniforms.cpp |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/glsl/link_uniforms.cpp b/src/glsl/link_uniforms.cpp
> index 258d279..a6683a0 100644
> --- a/src/glsl/link_uniforms.cpp
> +++ b/src/glsl/link_uniforms.cpp
> @@ -749,7 +749,7 @@ link_update_uniform_buffer_variables(struct gl_shader *shader)
>                 if (end == NULL)
>                    continue;
>  
> -               if (l != (end - begin))
> +               if ((ptrdiff_t) l != (end - begin))
>                    continue;
>  
>                 if (strncmp(var->name, begin, l) == 0) {
>