A test for a possible solution (or shall we call it a workaround? :-D) to https://issues.jboss.org/browse/MODCLUSTER-339

test_remove_zones.c

/**
 * author Michal Karm Babacek <mbabacek@redhat.com>
 * Test zone remover
 */
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#define LEN(x)  (sizeof(x) / sizeof(x[0]))

/**
 * remove_zone function to be tested
 */
char* remove_zone(char* host) {
    char *tmp = (char *) malloc(strlen(host) * sizeof(char));
    strcpy(tmp, host);
    char *p_read = tmp, *p_write = tmp;
    int flag = 0;
    if (*p_read == '[') {
        while (*p_read) {
            *p_write = *p_read++;
            if ((*p_write == '%' || flag) && *p_write != ']') {
                flag = 1;
            } else {
                p_write++;
            }
        }
        *p_write = '\0';
    }
    return tmp;
}

/**
 * let's test it
 */
int main() {
    char *addresses[] = {
                    "[2620:52:0:105f::ffff:60]",
                    "[2620:52:0:105f::ffff:60%]",
                    "[2620:52:0:105f::ffff:60%ETH]",
                    "[2620:52:0:105f::ffff:60%%]",
                    "[2620:52:0:105f::ffff:60%12]",
                    "[2:::1%2]",
                    "[124.22.33.44%ETH]",
                    "124.22.33.44%ETH",
                    "124.22.33.44%",
                    "124.22.33.44",
                    "[]",
                    "[::]",
                    "%",
                    "[%",
                    "%]",
                    "]",
                    "[",
                    "test.node.red.hat.com",
                    "utterly-complete.debug",
                    "test.node.red.hat.com%10" };
    char *addresses_done[] = {
                    "[2620:52:0:105f::ffff:60]",
                    "[2620:52:0:105f::ffff:60]",
                    "[2620:52:0:105f::ffff:60]",
                    "[2620:52:0:105f::ffff:60]",
                    "[2620:52:0:105f::ffff:60]",
                    "[2:::1]",
                    "[124.22.33.44]",
                    "124.22.33.44%ETH",
                    "124.22.33.44%",
                    "124.22.33.44",
                    "[]",
                    "[::]",
                    "%",
                    "[",
                    "%]",
                    "]",
                    "[",
                    "test.node.red.hat.com",
                    "utterly-complete.debug",
                    "test.node.red.hat.com%10" };
    int addresses_len = LEN(addresses);
    assert(addresses_len == LEN(addresses_done));
    for (int i = 1; i < addresses_len; i++) {
        char* result = remove_zone(addresses[i]);
        printf("Testing \"%s\" Expected: \"%s\" Got:\"%s\"\n", addresses[i], addresses_done[i], result);
        assert(strcmp(result, addresses_done[i]) == 0);
    }

    return 0;
}