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/* Copyright (C) 2000, 2003, 2004  Free Software Foundation.

   Ensure all expected transformations of builtin strrchr and rindex

   occur and perform correctly.

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

extern void abort (void);

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

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

char *bar = "hi world";

int x = 7;

void

main_test (void)

{

  const char *const foo = "hello world";

  if (strrchr (foo, 'x'))

    abort ();

  if (strrchr (foo, 'o') != foo + 7)

    abort ();

  if (strrchr (foo, 'e') != foo + 1)

    abort ();

  if (strrchr (foo + 3, 'e'))

    abort ();

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

    abort ();

  if (strrchr (bar, '\0') != bar + 8)

    abort ();

  if (strrchr (bar + 4, '\0') != bar + 8)

    abort ();

  if (strrchr (bar + (x++ & 3), '\0') != bar + 8)

    abort ();

  if (x != 8)

    abort ();

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

     as that of strrchr. */

  if (rindex ("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_strrchr (foo, 'o') != foo + 7)

    abort ();

  if (__builtin_rindex (foo, 'o') != foo + 7)

    abort ();

}