On Tue 15 Sep 2009, Nick Kew wrote:
> > /\\bcity\\b/ works on my localhost (Debian Linux with Apache
> > 2.2.13-1),
>
> Good. Mystery solved (though I have to confess I'm a little
> surprised you need that in the context).
Here is the piece of code that (I believe) eats the backslashes (mod_include.c:
get_ptoken()). token->value is the start of the string, p the end. shift is
the number of unescaped backslashes found in the string.
apr_size_t len = p - token->value - shift;
char *c = apr_palloc(ctx->dpool, len + 1);
p = token->value;
token->value = c;
while (shift--) {
const char *e = ap_strchr_c(p, '\\'); /* move e to the next
backslash */
memcpy(c, p, e-p); /* copy up to the backslash
excluding it */
c += e-p; /* now c points to the end
of the destination string */
*c++ = *++e; /* copy there the char that
comes *after* the '\' and forget about the '\' */
len -= e-p;
p = e+1;
}
if (len) {
memcpy(c, p, len);
}
c[len] = '\0';
Torsten
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