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31 lines
1.5 KiB
31 lines
1.5 KiB
4 months ago
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// RUN: %clang_cc1 -fsyntax-only -verify %s
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struct AB{const char *a; const char*b;};
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const char *foo(const struct AB *ab) {
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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}}
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}
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void f(const char *s) {
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char *str = 0;
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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}}
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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}}
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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}}
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char strArr[] = "foo";
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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}}
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char *strArr2[] = {"ac","dc"};
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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}}
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struct AB ab;
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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}}
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// no-warning
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char c = 'c';
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str = str + c;
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str = c + str;
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}
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