// [^aBcC] with REG_ICASE should match d,D but not a,A,b,B,c,C according to

// http://austingroupbugs.net/view.php?id=872

#include <regex.h>

#include <limits.h>

#include <stdio.h>

#include "test.h"

int main(void)

{

	char buf[100];

	char *pat;

	regex_t re;

	int n, i;

	struct {

		char *s;

		int n;

	} t[] = {

		{"a", REG_NOMATCH},

		{"A", REG_NOMATCH},

		{"b", REG_NOMATCH},

		{"B", REG_NOMATCH},

		{"c", REG_NOMATCH},

		{"C", REG_NOMATCH},

		{"d", 0},

		{"D", 0},

		{0,0}

	};

	pat = "[^aBcC]";

	n = regcomp(&re, pat, REG_ICASE);

	if (n) {

		regerror(n, &re, buf, sizeof buf);

		t_error("regcomp(\"%s\") failed: %d (%s)\n", pat, n, buf);

	}

	for (i = 0; t[i].s; i++) {

		n = regexec(&re, t[i].s, 0, 0, 0);

		if (n != t[i].n) {

			regerror(n, &re, buf, sizeof buf);

			t_error("regexec(/%s/, \"%s\") returned %d (%s), wanted %d\n",

				pat, t[i].s, n, buf, t[i].n);

		}

	}

	return t_status;

}