| 1 | // RUN: %clang_analyze_cc1 -analyzer-checker=core -verify %s |
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| 2 | |
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| 3 | #include "test-include.h" |
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| 4 | #define DIVYX(X,Y) Y/X |
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| 5 | |
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| 6 | void test_01(int *data) { |
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| 7 | data = 0; |
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| 8 | *data = 1; // expected-warning{{Dereference of null pointer}} |
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| 9 | } |
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| 10 | |
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| 11 | int test_02() { |
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| 12 | int res = DIVXY(1,0); // expected-warning{{Division by zero}} |
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| 13 | // expected-warning@-1{{division by zero is undefined}} |
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| 14 | return res; |
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| 15 | } |
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| 16 | |
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| 17 | int test_03() { |
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| 18 | int res = DIVYX(0,1); // expected-warning{{Division by zero}} |
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| 19 | // expected-warning@-1{{division by zero is undefined}} |
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| 20 | return res; |
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| 21 | } |
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