Re: [PATCH 2/2] commit-slab: declare functions "static inline"

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Thomas Rast <tr@xxxxxxxxxxxxx> writes:

> This shuts up compiler warnings about unused functions.

Thanks.

> While there, also remove the redundant second declaration of
> stat_##slabname##realloc.

I think the latter was done very much deliberately to allow the
using code to say:

	define_commit_slab(name, type);

by ending the macro with something that requires a terminating
semicolon.  If you just remove it, doesn't it break the compilation
by forcing the expanded source to define a function

	slabname ## _at(...)
        {
        	...
	};

with a trailing and undesired semicolon?

>
> Signed-off-by: Thomas Rast <tr@xxxxxxxxxxxxx>
> ---
>  commit-slab.h | 17 ++++++++---------
>  1 file changed, 8 insertions(+), 9 deletions(-)
>
> diff --git a/commit-slab.h b/commit-slab.h
> index d77aaea..d5c353e 100644
> --- a/commit-slab.h
> +++ b/commit-slab.h
> @@ -45,8 +45,8 @@ struct slabname {							\
>  };									\
>  static int stat_ ##slabname## realloc;					\
>  									\
> -static void init_ ##slabname## _with_stride(struct slabname *s,		\
> -					    unsigned stride)		\
> +static inline void init_ ##slabname## _with_stride(struct slabname *s,	\
> +						   unsigned stride)	\
>  {									\
>  	unsigned int elem_size;						\
>  	if (!stride)							\
> @@ -58,12 +58,12 @@ struct slabname {							\
>  	s->slab = NULL;							\
>  }									\
>  									\
> -static void init_ ##slabname(struct slabname *s)			\
> +static inline void init_ ##slabname(struct slabname *s)			\
>  {									\
>  	init_ ##slabname## _with_stride(s, 1);				\
>  }									\
>  									\
> -static void clear_ ##slabname(struct slabname *s)			\
> +static inline void clear_ ##slabname(struct slabname *s)		\
>  {									\
>  	int i;								\
>  	for (i = 0; i < s->slab_count; i++)				\
> @@ -73,8 +73,8 @@ struct slabname {							\
>  	s->slab = NULL;							\
>  }									\
>  									\
> -static elemtype *slabname## _at(struct slabname *s,			\
> -				const struct commit *c)			\
> +static inline elemtype *slabname## _at(struct slabname *s,		\
> +				       const struct commit *c)		\
>  {									\
>  	int nth_slab, nth_slot;						\
>  									\
> @@ -94,8 +94,7 @@ struct slabname {							\
>  		s->slab[nth_slab] = xcalloc(s->slab_size,		\
>  					    sizeof(**s->slab) * s->stride);		\
>  	return &s->slab[nth_slab][nth_slot * s->stride];				\
> -}									\
> -									\
> -static int stat_ ##slabname## realloc
> +}
> +
>  
>  #endif /* COMMIT_SLAB_H */
--
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