1 /* Copyright (C) 2000 Free Software Foundation.
3 Ensure builtin memcpy and strcpy perform correctly.
5 Written by Jakub Jelinek, 11/24/2000. */
7 extern void abort (void);
8 extern char *strcpy (char *, const char *);
9 typedef __SIZE_TYPE__
size_t;
10 extern void *memcpy (void *, const void *, size_t);
11 extern int memcmp (const void *, const void *, size_t);
17 if (strcpy (p
, "abcde") != p
|| memcmp (p
, "abcde", 6))
19 if (strcpy (p
+ 16, "vwxyz" + 1) != p
+ 16 || memcmp (p
+ 16, "wxyz", 5))
21 if (strcpy (p
+ 1, "") != p
+ 1 || memcmp (p
, "a\0cde", 6))
23 if (strcpy (p
+ 3, "fghij") != p
+ 3 || memcmp (p
, "a\0cfghij", 9))
25 if (memcpy (p
, "ABCDE", 6) != p
|| memcmp (p
, "ABCDE", 6))
27 if (memcpy (p
+ 16, "VWX" + 1, 2) != p
+ 16 || memcmp (p
+ 16, "WXyz", 5))
29 if (memcpy (p
+ 1, "", 1) != p
+ 1 || memcmp (p
, "A\0CDE", 6))
31 if (memcpy (p
+ 3, "FGHI", 4) != p
+ 3 || memcmp (p
, "A\0CFGHIj", 9))
34 /* Test at least one instance of the __builtin_ style. We do this
35 to ensure that it works and that the prototype is correct. */
36 if (__builtin_strcpy (p
, "abcde") != p
|| memcmp (p
, "abcde", 6))
38 if (__builtin_memcpy (p
, "ABCDE", 6) != p
|| memcmp (p
, "ABCDE", 6))
45 /* When optimizing, all the above cases should be transformed into
46 something else. So any remaining calls to the original function
49 strcpy (char *d
, const char *s
)