Subversion Repositories openrisc

/* Copyright (C) 2000  Free Software Foundation.

   Ensure builtin strlen, strcmp, strchr, strrchr and strncpy

   perform correctly.

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

extern void abort (void);

extern __SIZE_TYPE__ strlen (const char *);

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

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

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

extern char *strncpy (char *, const char *, __SIZE_TYPE__);

extern void *memset (void *, int, __SIZE_TYPE__);

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

int x = 6;

int y = 1;

char *bar = "hi world";

char buf [64];

int main()

{

  const char *const foo = "hello world";

  char dst [64];

  if (strlen (bar) != 8)

    abort ();

  if (strlen (bar + (++x & 2)) != 6)

    abort ();

  if (x != 7)

    abort ();

  if (strlen (foo + (x++, 6)) != 5)

    abort ();

  if (x != 8)

    abort ();

  if (strlen (foo + (++x & 1)) != 10)

    abort ();

  if (x != 9)

    abort ();

  if (strcmp (foo + (x -= 6), "lo world"))

    abort ();

  if (x != 3)

    abort ();

  if (strcmp (foo, bar) >= 0)

    abort ();

  if (strcmp (foo, bar + (x++ & 1)) >= 0)

    abort ();

  if (x != 4)

    abort ();

  if (strchr (foo + (x++ & 7), 'l') != foo + 9)

    abort ();

  if (x != 5)

    abort ();

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

    abort ();

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

    abort ();

  if (strrchr (bar, 'x'))

    abort ();

  if (strrchr (bar, 'o') != bar + 4)

    abort ();

  if (strcmp (foo + (x++ & 1), "ello world" + (--y & 1)))

    abort ();

  if (x != 6 || y != 0)

    abort ();

  dst[5] = ' ';

  dst[6] = '\0';

  x = 5;

  y = 1;

  if (strncpy (dst + 1, foo + (x++ & 3), 4) != dst + 1

      || x != 6

      || strcmp (dst + 1, "ello "))

    abort ();

  memset (dst, ' ', sizeof dst);

  if (strncpy (dst + (++x & 1), (y++ & 3) + "foo", 10) != dst + 1

      || x != 7

      || y != 2

      || memcmp (dst, " oo\0\0\0\0\0\0\0\0 ", 12))

    abort ();

  memset (dst, ' ', sizeof dst);

  if (strncpy (dst, "hello", 8) != dst || memcmp (dst, "hello\0\0\0 ", 9))

    abort ();

  x = '!';

  memset (buf, ' ', sizeof buf);

  if (memset (buf, x++, ++y) != buf

      || x != '!' + 1

      || y != 3

      || memcmp (buf, "!!!", 3))

    abort ();

  if (memset (buf + y++, '-', 8) != buf + 3

      || y != 4

      || memcmp (buf, "!!!--------", 11))

    abort ();

  x = 10;

  if (memset (buf + ++x, 0, y++) != buf + 11

      || x != 11

      || y != 5

      || memcmp (buf + 8, "---\0\0\0", 7))

    abort ();

  if (memset (buf + (x += 4), 0, 6) != buf + 15

      || x != 15

      || memcmp (buf + 10, "-\0\0\0\0\0\0\0\0\0", 11))

    abort ();

  return 0;

}