| 1 | // RUN: %clang_analyze_cc1 -triple x86_64-unknown-freebsd %s |
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| 2 | |
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| 3 | #include "Inputs/system-header-simulator.h" |
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| 4 | |
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| 5 | #define M_ZERO 0x0100 |
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| 6 | #define NULL ((void *)0) |
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| 7 | |
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| 8 | void *malloc(size_t, void *, int); |
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| 9 | |
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| 10 | struct test { |
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| 11 | }; |
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| 12 | |
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| 13 | void foo(struct test *); |
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| 14 | |
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| 15 | void test_zeroed() { |
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| 16 | struct test **list, *t; |
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| 17 | int i; |
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| 18 | |
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| 19 | list = malloc(sizeof(*list) * 10, NULL, M_ZERO); |
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| 20 | if (list == NULL) |
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| 21 | return; |
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| 22 | |
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| 23 | for (i = 0; i < 10; i++) { |
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| 24 | t = list[i]; |
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| 25 | foo(t); |
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| 26 | } |
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| 27 | free(list); // no-warning |
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| 28 | } |
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| 29 | |
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| 30 | void test_nonzero() { |
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| 31 | struct test **list, *t; |
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| 32 | int i; |
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| 33 | |
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| 34 | list = malloc(sizeof(*list) * 10, NULL, 0); |
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| 35 | if (list == NULL) |
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| 36 | return; |
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| 37 | |
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| 38 | for (i = 0; i < 10; i++) { |
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| 39 | t = list[i]; // expected-warning{{undefined}} |
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| 40 | foo(t); |
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| 41 | } |
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| 42 | free(list); |
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| 43 | } |
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| 44 | |
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| 45 | void test_indeterminate(int flags) { |
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| 46 | struct test **list, *t; |
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| 47 | int i; |
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| 48 | |
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| 49 | list = malloc(sizeof(*list) * 10, NULL, flags); |
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| 50 | if (list == NULL) |
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| 51 | return; |
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| 52 | |
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| 53 | for (i = 0; i < 10; i++) { |
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| 54 | t = list[i]; // expected-warning{{undefined}} |
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| 55 | foo(t); |
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| 56 | } |
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| 57 | free(list); |
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| 58 | } |
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| 59 | |
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