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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [builtins/] [strcat.c] - Blame information for rev 688

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Line No. Rev Author Line
1 688 jeremybenn
/* Copyright (C) 2000, 2003  Free Software Foundation.
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   Ensure all expected transformations of builtin strcat occur and
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   perform correctly.
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   Written by Kaveh R. Ghazi, 11/27/2000.  */
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extern int inside_main;
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extern void abort (void);
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typedef __SIZE_TYPE__ size_t;
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extern char *strcat (char *, const char *);
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extern char *strcpy (char *, const char *);
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extern void *memset (void *, int, size_t);
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extern int memcmp (const void *, const void *, size_t);
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#define RESET_DST_WITH(FILLER) \
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  do { memset (dst, 'X', sizeof (dst)); strcpy (dst, (FILLER)); } while (0)
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void main_test (void)
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{
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  const char *const s1 = "hello world";
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  const char *const s2 = "";
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  char dst[64], *d2;
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  RESET_DST_WITH (s1);
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  if (strcat (dst, "") != dst || memcmp (dst, "hello world\0XXX", 15))
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    abort();
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  RESET_DST_WITH (s1);
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  if (strcat (dst, s2) != dst || memcmp (dst, "hello world\0XXX", 15))
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    abort();
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  RESET_DST_WITH (s1); d2 = dst;
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  if (strcat (++d2, s2) != dst+1 || d2 != dst+1
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      || memcmp (dst, "hello world\0XXX", 15))
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    abort();
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  RESET_DST_WITH (s1); d2 = dst;
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  if (strcat (++d2+5, s2) != dst+6 || d2 != dst+1
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      || memcmp (dst, "hello world\0XXX", 15))
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    abort();
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  RESET_DST_WITH (s1); d2 = dst;
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  if (strcat (++d2+5, s1+11) != dst+6 || d2 != dst+1
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      || memcmp (dst, "hello world\0XXX", 15))
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    abort();
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#ifndef __OPTIMIZE_SIZE__
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# if !defined __i386__ && !defined __x86_64__
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  /* The functions below might not be optimized into direct stores on all
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     arches.  It depends on how many instructions would be generated and
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     what limits the architecture chooses in STORE_BY_PIECES_P.  */
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  inside_main = 0;
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# endif
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  RESET_DST_WITH (s1);
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  if (strcat (dst, " 1111") != dst
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      || memcmp (dst, "hello world 1111\0XXX", 20))
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    abort();
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  RESET_DST_WITH (s1);
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  if (strcat (dst+5, " 2222") != dst+5
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      || memcmp (dst, "hello world 2222\0XXX", 20))
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    abort();
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  RESET_DST_WITH (s1); d2 = dst;
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  if (strcat (++d2+5, " 3333") != dst+6 || d2 != dst+1
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      || memcmp (dst, "hello world 3333\0XXX", 20))
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    abort();
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  RESET_DST_WITH (s1);
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  strcat (strcat (strcat (strcat (strcat (strcat (dst, ": this "), ""),
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                                  "is "), "a "), "test"), ".");
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  if (memcmp (dst, "hello world: this is a test.\0X", 30))
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    abort();
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  /* Set inside_main again.  */
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  inside_main = 1;
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#endif
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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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  RESET_DST_WITH (s1);
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  if (__builtin_strcat (dst, "") != dst || memcmp (dst, "hello world\0XXX", 15))
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    abort();
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}

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