[PATCH v2] vfscanf: Use struct scratch_buffer instead of extend_alloca

[Andreas Schwab]

Florian Weimer <fweimer@redhat.com> writes:

> 	* stdio-common/vfscanf.c (MEMCPY): Remove macro.
> 	(struct char_buffer): New type.
> 	(char_buffer_start, char_buffer_size, char_buffer_error)
> 	(char_buffer_rewind, char_buffer_add): New functions.
> 	(ADDW): Remove macro, replaced by the char_buffer_add function.
> 	(_IO_vfscanf_internal): Rewrite using struct char_buffer instead
> 	of extend_alloca.  Make control flow more explicit.

Ok.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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