Failing the wrong way (this is an ugly hack)

unreachTest.c

/*
 * test program to work on a configuration fix for T.connect 15
 */


#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <arpa/inet.h>
#include <sys/time.h>
#include <time.h>
#include <sys/types.h>

int
main(int argc, const char *argv[])
{
    int	s;
    int	s2;
    struct sockaddr_in	sin5;
    char *bogusAddr = "1.0.0.0";
    char *myAddr = "/*your_ip_here*/";

    errno = 0;
    sin5.sin_family = AF_INET;
    sin5.sin_addr.s_addr = inet_addr(myAddr);
    sin5.sin_port = htons((getpid()% 5000) + 1111);
    printf("Create test sockaddr_in: address = %s, port = %d\n",
            myAddr, ntohs(sin5.sin_port));

    if (errno) {
        printf("ERROR: %d: '%s'\n",errno,strerror(errno));
        return 1;
    }

    s = socket(AF_INET, SOCK_STREAM, 0);

    if (errno) {
        printf("ERROR: %d: '%s'\n",errno,strerror(errno));
        return 1;
    }

    /* try connecting to our bogus address */
    printf("Change of address--test sockaddr_in: address = %s, port = %d\n",
            bogusAddr, ntohs(sin5.sin_port));
    sin5.sin_addr.s_addr = inet_addr(bogusAddr);
    s2 = connect(s, (struct sockaddr *) &sin5, sizeof(sin5));

    if (s2 != -1) {
        printf("That shouldn't have worked...\n");
        return 1;
    }

    if (errno != ENETUNREACH) {
        printf("ERROR: connect call failed incorrectly, errno was %d: '%s' should have been ENETUNREACH\n", errno,strerror(errno));
        return 1;
    }
    else if (errno == ENETUNREACH) {
        printf("yay!\n");
    }

    return errno;
}