1/* Copyright (C) 2000 Free Software Foundation. 2 3 Ensure builtin memcpy and strcpy perform correctly. 4 5 Written by Jakub Jelinek, 11/24/2000. */ 6 7extern void abort (void); 8extern char *strcpy (char *, const char *); 9typedef __SIZE_TYPE__ size_t; 10extern void *memcpy (void *, const void *, size_t); 11extern int memcmp (const void *, const void *, size_t); 12 13char p[32] = ""; 14 15void 16main_test (void) 17{ 18 if (strcpy (p, "abcde") != p || memcmp (p, "abcde", 6)) 19 abort (); 20 if (strcpy (p + 16, "vwxyz" + 1) != p + 16 || memcmp (p + 16, "wxyz", 5)) 21 abort (); 22 if (strcpy (p + 1, "") != p + 1 || memcmp (p, "a\0cde", 6)) 23 abort (); 24 if (strcpy (p + 3, "fghij") != p + 3 || memcmp (p, "a\0cfghij", 9)) 25 abort (); 26 if (memcpy (p, "ABCDE", 6) != p || memcmp (p, "ABCDE", 6)) 27 abort (); 28 if (memcpy (p + 16, "VWX" + 1, 2) != p + 16 || memcmp (p + 16, "WXyz", 5)) 29 abort (); 30 if (memcpy (p + 1, "", 1) != p + 1 || memcmp (p, "A\0CDE", 6)) 31 abort (); 32 if (memcpy (p + 3, "FGHI", 4) != p + 3 || memcmp (p, "A\0CFGHIj", 9)) 33 abort (); 34 35 /* Test at least one instance of the __builtin_ style. We do this 36 to ensure that it works and that the prototype is correct. */ 37 if (__builtin_strcpy (p, "abcde") != p || memcmp (p, "abcde", 6)) 38 abort (); 39 if (__builtin_memcpy (p, "ABCDE", 6) != p || memcmp (p, "ABCDE", 6)) 40 abort (); 41} 42