René Scharfe <rene.scharfe@xxxxxxxxxxxxxx> writes:
> Add the new flag "fixed" to struct grep_pat and set it if the pattern
> is doesn't contain any regex control characters in addition to if the
> flag -F/--fixed-strings was specified.
>
> This gives a nice speed up on msysgit, where regexec() seems to be
> extra slow. Before (best of five runs):
Thanks, and...
> static void compile_regexp(struct grep_pat *p, struct grep_opt *opt)
> {
> - int err = regcomp(&p->regexp, p->pattern, opt->regflags);
> + int err;
> +
> + if (opt->fixed || is_fixed(p->pattern))
> + p->fixed = 1;
> + if (opt->regflags & REG_ICASE)
> + p->fixed = 0;
... thanks again for being extra careful. That's why I *love* your
patches.
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