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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [builtins/] [strncmp.c] - Blame information for rev 774

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Line No. Rev Author Line
1 688 jeremybenn 
/* Copyright (C) 2000, 2001, 2003  Free Software Foundation.
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   Ensure all expected transformations of builtin strncmp occur and
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   perform correctly.
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   Written by Kaveh R. Ghazi, 11/26/2000.  */
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extern void abort (void);
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typedef __SIZE_TYPE__ size_t;
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extern int strncmp (const char *, const char *, size_t);
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void
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main_test (void)
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{
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  const char *const s1 = "hello world";
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  const char *s2, *s3;
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  if (strncmp (s1, "hello world", 12) != 0)
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    abort();
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  if (strncmp ("hello world", s1, 12) != 0)
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    abort();
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  if (strncmp ("hello", "hello", 6) != 0)
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    abort();
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  if (strncmp ("hello", "hello", 2) != 0)
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    abort();
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  if (strncmp ("hello", "hello", 100) != 0)
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    abort();
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  if (strncmp (s1+10, "d", 100) != 0)
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    abort();
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  if (strncmp (10+s1, "d", 100) != 0)
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    abort();
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  if (strncmp ("d", s1+10, 1) != 0)
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    abort();
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  if (strncmp ("d", 10+s1, 1) != 0)
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    abort();
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  if (strncmp ("hello", "aaaaa", 100) <= 0)
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    abort();
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  if (strncmp ("aaaaa", "hello", 100) >= 0)
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    abort();
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  if (strncmp ("hello", "aaaaa", 1) <= 0)
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    abort();
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  if (strncmp ("aaaaa", "hello", 1) >= 0)
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    abort();
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  s2 = s1; s3 = s1+4;
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  if (strncmp (++s2, ++s3, 0) != 0 || s2 != s1+1 || s3 != s1+5)
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    abort();
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  s2 = s1;
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  if (strncmp (++s2, "", 1) <= 0 || s2 != s1+1)
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    abort();
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  if (strncmp ("", ++s2, 1) >= 0 || s2 != s1+2)
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    abort();
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  if (strncmp (++s2, "", 100) <= 0 || s2 != s1+3)
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    abort();
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  if (strncmp ("", ++s2, 100) >= 0 || s2 != s1+4)
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    abort();
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  if (strncmp (++s2+6, "", 100) != 0 || s2 != s1+5)
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    abort();
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  if (strncmp ("", ++s2+5, 100) != 0 || s2 != s1+6)
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    abort();
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  if (strncmp ("ozz", ++s2, 1) != 0 || s2 != s1+7)
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    abort();
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  if (strncmp (++s2, "rzz", 1) != 0 || s2 != s1+8)
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    abort();
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  s2 = s1; s3 = s1+4;
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  if (strncmp (++s2, ++s3+2, 1) >= 0 || s2 != s1+1 || s3 != s1+5)
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    abort();
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  /* Test at least one instance of the __builtin_ style.  We do this
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     to ensure that it works and that the prototype is correct.  */
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  if (__builtin_strncmp ("hello", "a", 100) <= 0)
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    abort();
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}

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