1/* Copyright (C) 2000, 2003 Free Software Foundation. 2 3 Ensure all expected transformations of builtin strstr occur and 4 perform correctly in presence of redirect. */ 5 6#define ASMNAME(cname) ASMNAME2 (__USER_LABEL_PREFIX__, cname) 7#define ASMNAME2(prefix, cname) STRING (prefix) cname 8#define STRING(x) #x 9 10typedef __SIZE_TYPE__ size_t; 11extern void abort (void); 12extern char *strstr (const char *, const char *) 13 __asm (ASMNAME ("my_strstr")); 14 15const char *p = "rld", *q = "hello world"; 16 17void 18main_test (void) 19{ 20 const char *const foo = "hello world"; 21 22 if (strstr (foo, "") != foo) 23 abort (); 24 if (strstr (foo + 4, "") != foo + 4) 25 abort (); 26 if (strstr (foo, "h") != foo) 27 abort (); 28 if (strstr (foo, "w") != foo + 6) 29 abort (); 30 if (strstr (foo + 6, "o") != foo + 7) 31 abort (); 32 if (strstr (foo + 1, "world") != foo + 6) 33 abort (); 34 if (strstr (foo + 2, p) != foo + 8) 35 abort (); 36 if (strstr (q, "") != q) 37 abort (); 38 if (strstr (q + 1, "o") != q + 4) 39 abort (); 40 41 /* Test at least one instance of the __builtin_ style. We do this 42 to ensure that it works and that the prototype is correct. */ 43 if (__builtin_strstr (foo + 1, "world") != foo + 6) 44 abort (); 45} 46