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/* Copyright (C) 2000, 2003  Free Software Foundation.

   Ensure all expected transformations of builtin strchr and index

   occur and perform correctly.

   Written by Jakub Jelinek, 11/7/2000.  */

extern void abort (void);

extern char *strchr (const char *, int);

extern char *index (const char *, int);

void

main_test (void)

{

  const char *const foo = "hello world";

  if (strchr (foo, 'x'))

    abort ();

  if (strchr (foo, 'o') != foo + 4)

    abort ();

  if (strchr (foo + 5, 'o') != foo + 7)

    abort ();

  if (strchr (foo, '\0')  != foo + 11)

    abort ();

  /* Test only one instance of index since the code path is the same

     as that of strchr. */

  if (index ("hello", 'z')  != 0)

    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_strchr (foo, 'o')  != foo + 4)

    abort ();

  if (__builtin_index (foo, 'o')  != foo + 4)

    abort ();

}