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51 lines
1.1 KiB
51 lines
1.1 KiB
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include <stdlib.h>
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void if_freed_invalid_latent(int x, int* y) {
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if (x > 5) {
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free(y);
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*y = 1;
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}
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}
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void call_if_freed_invalid_latent(int x) {
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if (x > 0) {
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if_freed_invalid_latent(x, NULL);
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}
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}
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void call_if_freed_invalid2_bad() { call_if_freed_invalid_latent(7); }
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// make sure this isn't classified as latent as callers have no control over the
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// value of x being tested in the body of the function
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void test_modified_value_then_error_bad(int* x) {
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*x = random();
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if (*x == 5) {
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int* p = NULL;
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*p = 42;
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}
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}
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// below is a test that the calling context appears in the correct order in the
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// trace
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void latent(int a) {
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if (a == 4) {
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int* p = NULL;
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*p = 42;
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}
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}
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void propagate_latent_1_latent(int a1) { latent(a1); }
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void propagate_latent_2_latent(int a2) { propagate_latent_1_latent(a2); }
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void propagate_latent_3_latent(int a3) { propagate_latent_2_latent(a3); }
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void make_latent_manifest() { propagate_latent_3_latent(4); }
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