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/* This is for testing the local getopt. */


#ifdef GETOPT_FROM_SYSTEM
#define dwgetopt  getopt
#define dwopterr  opterr
#define dwoptind  optind
#define dwoptopt  optopt
#define dwopterr  opterr
#define dwoptarg  optarg

#define dwno_argument  no_argument
#define dwrequired_argument  required_argument
#define dwoptional_argument  optional_argument
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h> /* for strcmp */
#include "dwgetopt.h" /* for dwgetopt */
char *argv1[20];

/*  Use for testing dwgetopt only.
    Not a standard function. */
static void
dwgetoptresetfortestingonly(void)
{
   dwopterr   = 1;
   dwoptind   = 1;
   dwoptopt   = 0;
   dwoptreset = 0;
   dwoptarg   = 0;
}



/* for rchar read the real int/char returned.
   for xchar read the expected int/char.

   for roptarg, read dwoptarg (the real optarg val),
   for xoptarg read expected-optarg

   for roptind read dwoptind,
   for xoptind read expected-optind
*/
static void
chkval(int ct,
    int rchar,int xchar,
    char *roptarg,char *xoptarg,
    int roptind,int xoptind,
    const char *testid)
{
    int err = 0;
    if (rchar != xchar) {
        err++;
        printf("Mismatch %d %s: got char %c 0x%x exp char %c 0x%x\n",
            ct,testid,rchar,rchar,xchar,xchar);
    }
    if (roptarg != xoptarg) {
        /* pointers non-match */
        if (roptarg && xoptarg && (!strcmp(roptarg,xoptarg))) {
            /* strings match. */
        } else {
            err++;
            printf("Mismatch %d %s: got dwoptarg %s 0x%lx exp optarg %s 0x%lx\n",
                ct,testid,
                roptarg?roptarg:"",
                (unsigned long)roptarg,
                xoptarg?xoptarg:"",
                (unsigned long)xoptarg);
        }
    }
    if (roptind != xoptind) {
        err++;
        printf("Mismatch %d %s: got dwoptind %d 0x%x exp optind %d 0x%x\n",
            ct,testid,roptind,roptind,xoptind,xoptind);
    }
    if (err > 0) {
        printf("FAIL getopttest %s\n",testid);
        exit(1);
    }
}

static int
test3(void)
{
    int ct = 1;
    int c = 0;
    int argct = 8;
    argv1[0]="a.out";
    argv1[1]="-a";
    argv1[2]="-#bx";
    argv1[3]="-b";
    argv1[4]="-c";
    argv1[5]="-cfoo";
    argv1[6]="-d";
    argv1[7]="progtoread";
    argv1[8]=0;
    for ( ;(c = dwgetopt(argct, argv1, "#:abc::d")) != EOF; ct++) {
    switch(ct) {
    case 1:
        chkval(ct,c,'a',dwoptarg,0,dwoptind,2,"test31");
        break;
    case 2:
        chkval(ct,c,'#',dwoptarg,"bx",dwoptind,3,"test32");
        break;
    case 3:
        chkval(ct,c,'b',dwoptarg,0,dwoptind,4,"test33");
        break;
    case 4:
        chkval(ct,c,'c',dwoptarg,0,dwoptind,5,"test34");
        break;
    case 5:
        chkval(ct,c,'c',dwoptarg,"foo",dwoptind,6,"test35");
        break;
    case 6:
        chkval(ct,c,'d',dwoptarg,0,dwoptind,7,"test36");
        break;
    case 7:
    case 8:
    case 9:
    case 10:
    case 11:
    default:
        printf("FAIL test3 unexpected ct %d\n",ct);
    }
    }
#if 0
    printf(" final check: ct %d dwoptind %d\n",ct,optind);
#endif
    if (strcmp(argv1[dwoptind],"progtoread")) {
        printf("FAIL test3 on non-dash dwoptind %d arg got %s exp %s\n",
            dwoptind,argv1[dwoptind],"progtoread");
        exit(1);
    }
    printf("PASS getopt test 3\n");
    return 0;
}


static int
test2(void)
{
    int ct = 1;
    int c = 0;
    int argct = 5;
    argv1[0]="a.out";
    argv1[1]="-a";
    argv1[2]="-#pound";
    argv1[3]="-b";
    argv1[4]="-cfilename";
    argv1[5]=0;
    for ( ;(c = dwgetopt(argct, argv1,
        "#:abc::")) != EOF; ct++) {
    switch(ct) {
    case 1:
        chkval(ct,c,'a',dwoptarg,0,dwoptind,2,"test21");
        break;
    case 2:
        chkval(ct,c,'#',dwoptarg,"pound",dwoptind,3,"test22");
        break;
        break;
    case 3:
        chkval(ct,c,'b',dwoptarg,0,dwoptind,4,"test23");
        break;
    case 4:
        chkval(ct,c,'c',dwoptarg,"filename",dwoptind,5,"test24");
        break;
    default:
        printf("FAIL test2 unexpected ct %d\n",ct);
        exit(1);
    }
    }
#if 0
    printf(" final check: ct %d dwoptind %d\n",ct,optind);
#endif
    if (argv1[dwoptind]) {
        printf("FAIL test2 on non-dash arg dwoptind %d got 0x%lx exp NULL\n",
            dwoptind,(unsigned long)argv1[dwoptind]);
        exit(1);
    }
    printf("PASS getopt test 2\n");
    return 0;
}



static void chklongval(int ct,
    int rchar,int xchar,
    const char *xoptname,
    struct dwoption *ropt, struct dwoption *xopt,
    char *roptarg,char *xoptarg,
    int roptind,int xoptind,
    const char *testid)
{
    int err = 0;
    if(xopt != ropt || strcmp(ropt->name,xopt->name)) {
        printf("FAIL name check %s: long opt %s vs %s %s\n",
            xoptname,
            ropt->name,xopt->name,
            testid);
        ++err;
    }
    if (roptarg != xoptarg &&
        (!roptarg || !xoptarg || strcmp(roptarg,xoptarg))) {
        printf("FAIL argument check %s: long opt %s vs %s %s\n",
            xoptname,
            roptarg?roptarg:"",xoptarg?xoptarg:"",
            testid);
        ++err;
    }
    if (roptind != xoptind) {
        printf("FAIL optind check %s: long opt %d vs %d %s\n",
            xoptname,
            roptind,xoptind,
            testid);
        ++err;
    }

    if (err > 0) {
        printf("FAIL long getopttest %s\n",testid);
        exit(1);
    }
}


static int
ltest1(void)
{
    int ct = 1;
    int c = 0;
    int argct = 13;
    argv1[0]="a.out";
    argv1[1]="-ab";
    argv1[2] = "--simplelong";
    argv1[3] = "--optarglong";
    argv1[4] = "--requireoptarglong=val";
    argv1[5] = "-cd";
    argv1[6]="progtoread";
    argv1[7]=0;
    static struct dwoption  longopts[] =  {
        {"simplelong",       dwno_argument,      0,0},
        {"optarglong",       dwoptional_argument,0,0},
        {"requireoptarglong",dwrequired_argument,0,0},
        {0,0,0,0}
    };
    int longindex = 0;

    for ( ;(c = dwgetopt_long(argct, argv1,
        "abcd",
        longopts,&longindex)) != EOF; ct++) {
    switch(ct) {
    case 1:
        chkval(ct,c,'a',dwoptarg,0,dwoptind,1,"ltest12");
        break;
    case 2:
        chkval(ct,c,'b',dwoptarg,0,dwoptind,2,"ltest2");
        break;

    case 3: {
        struct dwoption * foundop = longopts + longindex;
        chklongval(ct,c,0,
            "simplelong",
            foundop,longopts+0,
            dwoptarg,0,
            dwoptind,3,"ltest3");
        }
        break;
    case 4: {
        struct dwoption * foundop = longopts + longindex;
        chklongval(ct,c,0,
            "optarglong",
            foundop,longopts+1,
            dwoptarg,0,
            dwoptind,4,"ltest4");
        }
        break;
    case 5: {
        struct dwoption * foundop = longopts + longindex;
        chklongval(ct,c,0,
            "requireoptarglong",
            foundop,longopts+2,
            dwoptarg,"val",
            dwoptind,5,"ltest5");
        }
        break;

    case 6:
        chkval(ct,c,'c',dwoptarg,0,dwoptind,5,"ltest6");
        break;
    case 7:
        chkval(ct,c,'d',dwoptarg,0,dwoptind,6,"ltest7");
        break;


    default:
        printf("FAIL ltest1 unexpected ct %d in ltest1\n",ct);
        exit(1);
    }
    }
#if 0
    printf(" final check: ct %d dwoptind %d\n",ct,optind);
#endif
    if (strcmp(argv1[dwoptind],"progtoread")) {
        printf("FAIL ltest1 on non-dash arg dwoptind %d got %s exp %s\n",
            dwoptind,argv1[dwoptind],"progtoread");
        exit(1);
    }
    printf("PASS getopt ltest1\n");
    return 0;
}

static int
ltest2(void)
{
    int ct = 1;
    int c = 0;
    int argct = 13;
    argv1[0]="a.out";
    argv1[1]="-ab";
    argv1[2] = "--optarglong";
    argv1[3] = "--optarglong=";
    argv1[4] = "--optarglong=val";
    argv1[5] = "-cd";
    argv1[6]="progtoread";
    argv1[7]=0;
    static struct dwoption  longopts[] =  {
        {"optarglong",       dwoptional_argument,0,0},
        {0,0,0,0}
    };
    int longindex = 0;

    for ( ;(c = dwgetopt_long(argct, argv1,
        "abcd",
        longopts,&longindex)) != EOF; ct++) {
    switch(ct) {
    case 1:
        chkval(ct,c,'a',dwoptarg,0,dwoptind,1,"ltest21");
        break;
    case 2:
        chkval(ct,c,'b',dwoptarg,0,dwoptind,2,"ltest22");
        break;

    case 3: {
        struct dwoption * foundop = longopts + longindex;
        chklongval(ct,c,0,
            "optarglong",
            foundop,longopts+0,
            dwoptarg,0,
            dwoptind,3,"ltest23");
        }
        break;
    case 4: {
        struct dwoption * foundop = longopts + longindex;
        chklongval(ct,c,0,
            "optarglong",
            foundop,longopts+0,
            dwoptarg,0,
            dwoptind,4,"ltest24");
        }
        break;
    case 5: {
        struct dwoption * foundop = longopts + longindex;
        chklongval(ct,c,0,
            "optarglong",
            foundop,longopts+0,
            dwoptarg,"val",
            dwoptind,5,"ltest25");
        }
        break;

    case 6:
        chkval(ct,c,'c',dwoptarg,0,dwoptind,5,"ltest26");
        break;
    case 7:
        chkval(ct,c,'d',dwoptarg,0,dwoptind,6,"ltest27");
        break;


    default:
        printf("FAIL ltest1 unexpected ct %d in ltest2\n",ct);
        exit(1);
    }
    }
#if 0
    printf(" final check: ct %d dwoptind %d\n",ct,optind);
#endif
    if (strcmp(argv1[dwoptind],"progtoread")) {
        printf("FAIL ltest2 on non-dash arg dwoptind %d got %s exp %s\n",
            dwoptind,argv1[dwoptind],"progtoread");
        exit(1);
    }
    printf("PASS getopt ltest2\n");
    return 0;
}


static int
test1(void)
{
    int ct = 1;
    int c = 0;
    int argct = 13;
    argv1[0]="a.out";
    argv1[1]="-a";
    argv1[2]="-#";
    argv1[3]="6";
    argv1[4]="-H1";
    argv1[5]="-H";
    argv1[6]="2";
    argv1[7]="-ka";
    argv1[8]="-l";
    argv1[9]="-lv";
    argv1[10]="-x";
    argv1[11]="path=./foo";
    argv1[12]="progtoread";
    argv1[13]=0;
    for ( ;(c = dwgetopt(argct, argv1,
        "#:abc::CdDeE::fFgGhH:iIk:l::mMnNo::O:pPqQrRsS:t:u:UvVwW::x:yz"))
        != EOF; ct++) {
    switch(ct) {
    case 1:
        chkval(ct,c,'a',dwoptarg,0,dwoptind,2,"test11");
        break;
    case 2:
        chkval(ct,c,'#',dwoptarg,"6",dwoptind,4,"test12");
        break;
    case 3:
        chkval(ct,c,'H',dwoptarg,"1",dwoptind,5,"test13");
        break;
    case 4:
        chkval(ct,c,'H',dwoptarg,"2",dwoptind,7,"test14");
        break;
    case 5:
        chkval(ct,c,'k',dwoptarg,"a",dwoptind,8,"test15");
        break;
    case 6:
        chkval(ct,c,'l',dwoptarg,0,dwoptind,9,"test16");
        break;
    case 7:
        chkval(ct,c,'l',dwoptarg,"v",dwoptind,10,"test17");
        break;
    case 8:
        chkval(ct,c,'x',dwoptarg,"path=./foo",dwoptind,12,"test18");
        break;
    default:
        printf("FAIL test1 unexpected ct %d in test1\n",ct);
        exit(1);
    }
    }
#if 0
    printf(" final check: ct %d dwoptind %d\n",ct,optind);
#endif
    if (strcmp(argv1[dwoptind],"progtoread")) {
        printf("FAIL test1 on non-dash arg dwoptind %d got %s exp %s\n",
            dwoptind,argv1[dwoptind],"progtoread");
        exit(1);
    }
    printf("PASS getopt test1\n");
    return 0;
}

static int
test5(void)
{
    int ct = 1;
    int c = 0;
    int argct = 8;
    argv1[0]="a.out";
    argv1[1]="-ab";
    argv1[2]="-a";
    argv1[3]="-cx";
    argv1[4]="-c";
    argv1[5]="y";
    argv1[6]="-d";
    argv1[7]="-da";
    argv1[8]=0;
    for ( ;(c = dwgetopt(argct, argv1, "abc:d::")) != EOF; ct++) {
    switch(ct) {
    case 1:
        chkval(ct,c,'a',dwoptarg,0,dwoptind,1,"test51");
        break;
    case 2:
        chkval(ct,c,'b',dwoptarg,0,dwoptind,2,"test52");
        break;
    case 3:
        chkval(ct,c,'a',dwoptarg,0,dwoptind,3,"test53");
        break;
    case 4:
        chkval(ct,c,'c',dwoptarg,"x",dwoptind,4,"test54");
        break;
    case 5:
        chkval(ct,c,'c',dwoptarg,"y",dwoptind,6,"test55");
        break;
    case 6:
        chkval(ct,c,'d',dwoptarg,0,dwoptind,7,"test56");
        break;
    case 7:
        chkval(ct,c,'d',dwoptarg,"a",dwoptind,8,"test17");
        break;
    default:
        printf("FAIL test5 unexpected ct %d in test1 char 0x%x %c\n",ct,c,c);
        exit(1);
    }
    }
#if 0
    printf(" final check: ct %d dwoptind %d\n",ct,optind);
#endif
    if (argv1[dwoptind]) {
        printf("FAIL test5 there is a non-dash arg dwoptind %d got 0x%lx\n",
            dwoptind,(unsigned long)argv1[dwoptind]);
        exit(1);
    }
    printf("PASS getopt test5\n");
    return 0;
}

static int
test6(void)
{
    int ct = 1;
    int c = 0;
    int argct = 2;
    argv1[0]="a.out";
    argv1[1]="-H";
    argv1[2]=0;
    for ( ;(c = dwgetopt(argct, argv1, "abH:d::")) != EOF; ct++) {
    switch(ct) {
    case 1:
        chkval(ct,c,'?',dwoptarg,0,dwoptind,2,"test61");
        break;
    default:
        printf("FAIL test5 unexpected ct %d in test1 char 0x%x %c\n",ct,c,c);
        exit(1);
    }
    }
    if (argv1[dwoptind]) {
        printf("FAIL test6 there is a non-dash arg dwoptind %d got 0x%lx\n",
            dwoptind,(unsigned long)argv1[dwoptind]);
        exit(1);
    }
    printf("PASS getopt test6\n");
    return 0;
}
/*  Leading : in opt string */
static int
test7(void)
{
    int ct = 1;
    int c = 0;
    int argct = 2;
    argv1[0]="a.out";
    argv1[1]="-H";
    argv1[2]=0;
    for ( ;(c = dwgetopt(argct, argv1, ":abH:d::")) != EOF; ct++) {
    switch(ct) {
    case 1:
        chkval(ct,c,':',dwoptarg,0,dwoptind,2,"test71");
        break;
    default:
        printf("FAIL test5 unexpected ct %d in test1 char 0x%x %c\n",ct,c,c);
        exit(1);
    }
    }
    if (argv1[dwoptind]) {
        printf("FAIL test7 there is a non-dash arg dwoptind %d got 0x%lx\n",
            dwoptind,(unsigned long)argv1[dwoptind]);
        exit(1);
    }
    printf("PASS getopt test7\n");
    return 0;
}
static int
test8(void)
{
    int ct = 1;
    int c = 0;
    int argct = 2;
    argv1[0]="a.out";
    argv1[1]="-x";
    argv1[2]=0;
    /*  We expect a ? because the arg list is improper. */
    for ( ;(c = dwgetopt(argct, argv1, "abH:d::")) != EOF; ct++) {
    switch(ct) {
    case 1:
        chkval(ct,c,'?',dwoptarg,0,dwoptind,2,"test81");
        break;
    default:
        printf("FAIL test5 unexpected ct %d in test1 char 0x%x %c\n",ct,c,c);
        exit(1);
    }
    }
    if (argv1[dwoptind]) {
        printf("FAIL test8 there is a non-dash arg dwoptind %d got 0x%lx\n",
            dwoptind,(unsigned long)argv1[dwoptind]);
        exit(1);
    }
    printf("PASS getopt test8\n");
    return 0;
}




int main(int argc, const char **argv)
{
    int ct = 0;
    int failct = 0;
    printf("argc: %d\n",argc);
    for( ct = 0; ct < argc ; ++ct) {
        printf("argv[%d] = %s\n",ct,argv[ct]);
    }
    if ( argc == 3) {
        int num = 0;
        if (strcmp(argv[1],"-c")) {
            printf("FAIL: invalid arg list\n");
            exit(1);
        }
        num = atoi(argv[2]);
        printf("Run one test, number %d\n",num);
        switch(num) {
        case 1:
            failct = test1();
            break;
        case 2:
            failct = test2();
            break;
        case 3:
            failct = test3();
            break;
        case 5:
            failct = test5();
            break;
        case 6:
            failct = test6();
            break;
        case 7:
            failct = test7();
            break;
        case 8:
            failct = test8();
            break;
        default:
            printf("FAIL: invalid test number %d\n",num);
            exit(1);
        }
        if ( failct) {
            printf("FAIL getopttest\n");
            exit(1);
        }
        printf("PASS getopttest\n");
        exit(0);
    } else if (argc != 1) {
        printf("FAIL: invalid arg list\n");
            exit(1);
    }
    failct += ltest1();
    dwgetoptresetfortestingonly();
    failct += ltest2();
    dwgetoptresetfortestingonly();
    failct += test5();
    dwgetoptresetfortestingonly();
    failct += test1();
    dwgetoptresetfortestingonly();
    failct += test2();
    dwgetoptresetfortestingonly();
    failct += test3();
    dwgetoptresetfortestingonly();
    failct += test6();
    dwgetoptresetfortestingonly();
    failct += test7();
    dwgetoptresetfortestingonly();
    failct += test8();
    if ( failct) {
        printf("FAIL getopttest\n");
        exit(1);
    }
    printf("PASS getopttest\n");
    return 0;
}