Re: [PATCH 2/2] grep: don't call regexec() for fixed strings

From: Alex Riesen <raa.lkml@gmail.com>
Date: Jan 12, 2009, 15:32 UTC
Message-ID: <81b0412b0901120732t1bd1978awdc4be47767e02863@mail.gmail.com>
In-Reply-To: <4967DB4A.2000702@lsrfire.ath.cx>

2009/1/10 René Scharfe <rene.scharfe@lsrfire.ath.cx>:

Show 12 quoted lines

> +static int isregexspecial(int c)
> +{
> +       return isspecial(c) || c == '$' || c == '(' || c == ')' || c == '+' ||
> +                              c == '.' || c == '^' || c == '{' || c == '|';
> +}
> +
> +static int is_fixed(const char *s)
> +{
> +       while (!isregexspecial(*s))
> +               s++;
> +       return !*s;
> +}

strchr?