1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 struct AB{const char *a; const char*b;}; 4 5 const char *foo(const struct AB *ab) { 6 return ab->a + 'b'; // expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} 7 } 8 9 void f(const char *s) { 10 char *str = 0; 11 char *str2 = str + 'c'; // expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} 12 13 const char *constStr = s + 'c'; // expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} 14 15 str = 'c' + str;// expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} 16 17 char strArr[] = "foo"; 18 str = strArr + 'c'; // expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} 19 char *strArr2[] = {"ac","dc"}; 20 str = strArr2[0] + 'c'; // expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} 21 22 23 struct AB ab; 24 constStr = foo(&ab) + 'c'; // expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} 25 26 // no-warning 27 char c = 'c'; 28 str = str + c; 29 str = c + str; 30 } 31
