# Re: \[PATCH 10/10\] grep/pcre2: move definitions of pcre2\_{malloc,free}

- From: Johannes Schindelin \<hidden\>
- Date: 2021-02-10 12:44:45 
- List: git
- Page: https://ratatoskr.run/git/2021/02/7876189
- Thread: https://ratatoskr.run/git/2019/10/7825431/t.md

```text
Hi Ævar,

On Thu, 4 Feb 2021, Ævar Arnfjörð Bjarmason wrote:

> Move the definitions of the pcre2_{malloc,free} functions above the
> compile_pcre2_pattern() function they're used it. Before the preceding

s/it/in/

Thank you for this entire patch series. I like its intention and its
execution.

Ciao,
Dscho

> commit they used to be needed earlier, but now we can move them to be
> adjacent to the other PCREv2 functions.
>
> Signed-off-by: Ævar Arnfjörð Bjarmason <redacted>
> ---
>  grep.c | 46 ++++++++++++++++++++++------------------------
>  1 file changed, 22 insertions(+), 24 deletions(-)
>
> diff --git a/grep.c b/grep.c
> index 2599f329cd..636ac48bf0 100644
> --- a/grep.c
> +++ b/grep.c
> @@ -40,30 +40,6 @@ static struct grep_opt grep_defaults = {
>  	.output = std_output,
>  };
>
> -#ifdef USE_LIBPCRE2
> -#define GREP_PCRE2_DEBUG_MALLOC 0
> -
> -static void *pcre2_malloc(PCRE2_SIZE size, MAYBE_UNUSED void *memory_data)
> -{
> -	void *pointer = malloc(size);
> -#if GREP_PCRE2_DEBUG_MALLOC
> -	static int count = 1;
> -	fprintf(stderr, "PCRE2:%p -> #%02d: alloc(%lu)\n", pointer, count++, size);
> -#endif
> -	return pointer;
> -}
> -
> -static void pcre2_free(void *pointer, MAYBE_UNUSED void *memory_data)
> -{
> -#if GREP_PCRE2_DEBUG_MALLOC
> -	static int count = 1;
> -	if (pointer)
> -		fprintf(stderr, "PCRE2:%p -> #%02d: free()\n", pointer, count++);
> -#endif
> -	free(pointer);
> -}
> -#endif
> -
>  static const char *color_grep_slots[] = {
>  	[GREP_COLOR_CONTEXT]	    = "context",
>  	[GREP_COLOR_FILENAME]	    = "filename",
> @@ -355,6 +331,28 @@ static int is_fixed(const char *s, size_t len)
>  }
>
>  #ifdef USE_LIBPCRE2
> +#define GREP_PCRE2_DEBUG_MALLOC 0
> +
> +static void *pcre2_malloc(PCRE2_SIZE size, MAYBE_UNUSED void *memory_data)
> +{
> +	void *pointer = malloc(size);
> +#if GREP_PCRE2_DEBUG_MALLOC
> +	static int count = 1;
> +	fprintf(stderr, "PCRE2:%p -> #%02d: alloc(%lu)\n", pointer, count++, size);
> +#endif
> +	return pointer;
> +}
> +
> +static void pcre2_free(void *pointer, MAYBE_UNUSED void *memory_data)
> +{
> +#if GREP_PCRE2_DEBUG_MALLOC
> +	static int count = 1;
> +	if (pointer)
> +		fprintf(stderr, "PCRE2:%p -> #%02d: free()\n", pointer, count++);
> +#endif
> +	free(pointer);
> +}
> +
>  static void compile_pcre2_pattern(struct grep_pat *p, const struct grep_opt *opt)
>  {
>  	int error;
> --
> 2.30.0.284.gd98b1dd5eaa7
>
>
```