[PATCH v2] <stdio.h>: Make fopencookie, vasprintf, asprintf available by default

[Adhemerval Zanella Netto]

On 24/11/22 12:49, Florian Weimer via Libc-alpha wrote:
> FreeBSD makes these functions available by default, so we should
> not treat them as GNU-specific and restrict them to _GNU_SOURCE.
> 


LGTM, thanks.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

> ---
> v2: Do not include fcloseall because it's broken.
> 
>  libio/stdio.h | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/libio/stdio.h b/libio/stdio.h
> index 0e0f16b464..10af6d9b60 100644
> --- a/libio/stdio.h
> +++ b/libio/stdio.h
> @@ -42,7 +42,7 @@ __BEGIN_DECLS
>  #include <bits/types/FILE.h>
>  #include <bits/types/struct_FILE.h>
>  
> -#ifdef __USE_GNU
> +#ifdef __USE_MISC
>  # include <bits/types/cookie_io_functions_t.h>
>  #endif
>  
> @@ -294,7 +294,7 @@ extern FILE *fdopen (int __fd, const char *__modes) __THROW
>    __attribute_malloc__ __attr_dealloc_fclose __wur;
>  #endif
>  
> -#ifdef	__USE_GNU
> +#ifdef	__USE_MISC
>  /* Create a new stream that refers to the given magic cookie,
>     and uses the given functions for input and output.  */
>  extern FILE *fopencookie (void *__restrict __magic_cookie,
> @@ -384,7 +384,7 @@ extern int vsnprintf (char *__restrict __s, size_t __maxlen,
>       __THROWNL __attribute__ ((__format__ (__printf__, 3, 0)));
>  #endif
>  
> -#if __GLIBC_USE (LIB_EXT2)
> +#if defined (__USE_MISC) || __GLIBC_USE (LIB_EXT2)
>  /* Write formatted output to a string dynamically allocated with `malloc'.
>     Store the address of the string in *PTR.  */
>  extern int vasprintf (char **__restrict __ptr, const char *__restrict __f,
> 
> base-commit: 5bb4b51a76cc9bec72f67f702b5bf2fce30f0f7c
>