forked from OSchip/llvm-project
59 lines
985 B
C
59 lines
985 B
C
// RUN: %clang_analyze_cc1 -triple x86_64-unknown-freebsd %s
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#include "Inputs/system-header-simulator.h"
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#define M_ZERO 0x0100
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#define NULL ((void *)0)
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void *malloc(size_t, void *, int);
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struct test {
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};
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void foo(struct test *);
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void test_zeroed() {
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struct test **list, *t;
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int i;
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list = malloc(sizeof(*list) * 10, NULL, M_ZERO);
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if (list == NULL)
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return;
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for (i = 0; i < 10; i++) {
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t = list[i];
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foo(t);
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}
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free(list); // no-warning
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}
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void test_nonzero() {
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struct test **list, *t;
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int i;
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list = malloc(sizeof(*list) * 10, NULL, 0);
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if (list == NULL)
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return;
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for (i = 0; i < 10; i++) {
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t = list[i]; // expected-warning{{undefined}}
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foo(t);
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}
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free(list);
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}
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void test_indeterminate(int flags) {
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struct test **list, *t;
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int i;
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list = malloc(sizeof(*list) * 10, NULL, flags);
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if (list == NULL)
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return;
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for (i = 0; i < 10; i++) {
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t = list[i]; // expected-warning{{undefined}}
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foo(t);
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}
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free(list);
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}
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