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/* { dg-do run } */

/* { dg-options "-O2" } */

#include "strlenopt.h"

__attribute__((noinline, noclone)) char *

fn1 (char *p, size_t *l)

{

  char *q = strcat (p, "abcde");

  *l = strlen (p);

  return q;

}

__attribute__((noinline, noclone)) char *

fn2 (char *p, const char *q, size_t *l1, size_t *l2)

{

  size_t l = strlen (q);

  char *r = strcat (p, q);

  *l1 = l;

  *l2 = strlen (p);

  return r;

}

__attribute__((noinline, noclone)) char *

fn3 (char *p, const char *q, size_t *l)

{

  char *r = strcpy (p, q);

  *l = strlen (p);

  return r;

}

__attribute__((noinline, noclone)) char *

fn4 (char *p, const char *q, size_t *l)

{

  char *r = strcat (p, q);

  *l = strlen (p);

  return r;

}

__attribute__((noinline, noclone)) char *

fn5 (char *p, const char *q, size_t *l1, size_t *l2, size_t *l3)

{

  size_t l = strlen (q);

  size_t ll = strlen (p);

  char *r = strcat (p, q);

  *l1 = l;

  *l2 = strlen (p);

  *l3 = ll;

  return r;

}

__attribute__((noinline, noclone)) char *

fn6 (char *p, const char *q, size_t *l1, size_t *l2)

{

  size_t l = strlen (p);

  char *r = strcat (p, q);

  *l1 = strlen (p);

  *l2 = l;

  return r;

}

int

main ()

{

  char buf[64];

  const char *volatile q = "fgh";

  size_t l, l1, l2, l3;

  memset (buf, '\0', sizeof buf);

  memset (buf, 'a', 3);

  if (fn1 (buf, &l) != buf || l != 8 || memcmp (buf, "aaaabcde", 9) != 0)

    abort ();

  if (fn2 (buf, q, &l1, &l2) != buf || l1 != 3 || l2 != 11

      || memcmp (buf, "aaaabcdefgh", 12) != 0)

    abort ();

  if (fn3 (buf, q, &l) != buf || l != 3

      || memcmp (buf, "fgh\0bcdefgh", 12) != 0)

    abort ();

  if (fn4 (buf, q, &l) != buf || l != 6

      || memcmp (buf, "fghfgh\0efgh", 12) != 0)

    abort ();

  l1 = 0;

  l2 = 0;

  if (fn5 (buf, q, &l1, &l2, &l3) != buf || l1 != 3 || l2 != 9 || l3 != 6

      || memcmp (buf, "fghfghfgh\0h", 12) != 0)

    abort ();

  if (fn6 (buf, q, &l1, &l2) != buf || l1 != 12 || l2 != 9

      || memcmp (buf, "fghfghfghfgh", 13) != 0)

    abort ();

  return 0;

}