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/* Copyright (C) 2003, 2004  Free Software Foundation.

   Ensure builtin stpcpy performs correctly.

   Written by Kaveh Ghazi, 4/11/2003.  */

typedef __SIZE_TYPE__ size_t;

extern void abort (void);

extern char *strcpy (char *, const char *);

extern char *stpcpy (char *, const char *);

extern int memcmp (const void *, const void *, size_t);

extern int inside_main;

const char s1[] = "123";

char p[32] = "";

char *s2 = "defg";

char *s3 = "FGH";

size_t l1 = 1;

void

main_test (void)

{

  int i = 8;

#if !defined __i386__ && !defined __x86_64__

  /* The functions below might not be optimized into direct stores on all

     arches.  It depends on how many instructions would be generated and

     what limits the architecture chooses in STORE_BY_PIECES_P.  */

  inside_main = 0;

#endif

  if (stpcpy (p, "abcde") != p + 5 || memcmp (p, "abcde", 6))

    abort ();

  if (stpcpy (p + 16, "vwxyz" + 1) != p + 16 + 4 || memcmp (p + 16, "wxyz", 5))

    abort ();

  if (stpcpy (p + 1, "") != p + 1 + 0 || memcmp (p, "a\0cde", 6))

    abort ();

  if (stpcpy (p + 3, "fghij") != p + 3 + 5 || memcmp (p, "a\0cfghij", 9))

    abort ();

  if (stpcpy ((i++, p + 20 + 1), "23") != (p + 20 + 1 + 2)

      || i != 9 || memcmp (p + 19, "z\0""23\0", 5))

    abort ();

  if (stpcpy (stpcpy (p, "ABCD"), "EFG") != p + 7 || memcmp (p, "ABCDEFG", 8))

    abort();

  /* Test at least one instance of the __builtin_ style.  We do this

     to ensure that it works and that the prototype is correct.  */

  if (__builtin_stpcpy (p, "abcde") != p + 5 || memcmp (p, "abcde", 6))

    abort ();

    /* If the result of stpcpy is ignored, gcc should use strcpy.

       This should be optimized always, so set inside_main again.  */

  inside_main = 1;

  stpcpy (p + 3, s3);

  if (memcmp (p, "abcFGH", 6))

    abort ();

}