[PATCH 11/13] stdio: stub out basprintf and friends when built for PBL

[Ahmad Fatoum]

On 16.10.24 11:01, Ahmad Fatoum wrote:
> To optimize out calls to undefined functions in PBL at compile-time
> instead of link time, let's define stubs for the functions that
> are referenced in obj-pbl-y files, but inside function sections
> that are ultimately unreferenced.

This one patch could use  some more love, so please drop it.
The other 12 (+ fixup) pass CI ok.

Thanks,
Ahmad

> 
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> ---
>  include/stdio.h | 24 ++++++++++++++++++++++--
>  1 file changed, 22 insertions(+), 2 deletions(-)
> 
> diff --git a/include/stdio.h b/include/stdio.h
> index 1ed7e1d3e38b..64deec64e66c 100644
> --- a/include/stdio.h
> +++ b/include/stdio.h
> @@ -17,12 +17,32 @@ int sprintf(char *buf, const char *fmt, ...) __attribute__ ((format(__printf__,
>  int snprintf(char *buf, size_t size, const char *fmt, ...) __attribute__ ((format(__printf__, 3, 4)));
>  int scnprintf(char *buf, size_t size, const char *fmt, ...) __attribute__ ((format(__printf__, 3, 4)));
>  int vsprintf(char *buf, const char *fmt, va_list args);
> +int vsnprintf(char *buf, size_t size, const char *fmt, va_list args);
> +int vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
> +
> +#ifndef __PBL__
>  char *basprintf(const char *fmt, ...) __attribute__ ((format(__printf__, 1, 2)));
>  int asprintf(char **strp, const char *fmt, ...)  __attribute__ ((format(__printf__, 2, 3)));
>  char *bvasprintf(const char *fmt, va_list ap);
>  int vasprintf(char **strp, const char *fmt, va_list ap);
> -int vsnprintf(char *buf, size_t size, const char *fmt, va_list args);
> -int vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
> +#else
> +static inline char *basprintf(const char *fmt, ...)
> +{
> +	return NULL;
> +}
> +static inline int asprintf(char **strp, const char *fmt, ...)
> +{
> +	return -ENOMEM;
> +}
> +static inline char *bvasprintf(const char *fmt, va_list ap)
> +{
> +	return NULL;
> +}
> +static inline int vasprintf(char **strp, const char *fmt, va_list ap)
> +{
> +	return -ENOMEM;
> +}
> +#endif
>  
>  #ifdef CONFIG_ARCH_HAS_CTRLC
>  int arch_ctrlc(void);


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