Re: Regular expression libraries

[Lars Ingebrigtsen]

Clément Pit--Claudel <address@hidden> writes:

> Wait, now I'm confused.  The master branch of glibc *does* include the 
> following in regex.h:
>
> extern int __re_search_2
>   (struct re_pattern_buffer *buffer, const char *string1,
>    int length1, const char *string2, int length2,
>    int start, int range, struct re_registers *regs, int stop);
>
> … but the implementation just allocates a large buffer and concatenates both 
> strings?

Yes.  If I remember correctly, a glibc developer popped up here a couple
of years ago announcing that they were going to do that change (thereby
making __re_search_2 incredibly slow, but retained for compatibility).

-- 
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   bloggy blog: http://lars.ingebrigtsen.no