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86 lines
1.2 KiB
86 lines
1.2 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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int dereference_bad() {
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int* p;
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return *p;
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}
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void self_assign_bad() {
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int x;
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x = x;
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}
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void use_and_mayinit(int, int*);
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void call_to_use_and_mayinit_bad() {
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int x;
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use_and_mayinit(x, &x);
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}
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void malloc_good() {
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int* p = (int*)malloc(sizeof(int));
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if (p) {
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*p = 5;
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int x = *p;
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}
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free(p);
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}
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void malloc_bad() {
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int* p = (int*)malloc(sizeof(int));
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if (p) {
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int x = *p;
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}
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free(p);
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}
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void init_int_ref(int* p) { *p = 5; }
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void nop(int* p) {}
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void interprocedural_good() {
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int x;
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init_int_ref(&x);
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int y = x;
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}
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void interprocedural_bad_FN() {
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int x;
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nop(&x);
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int y = x;
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}
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struct uninit_s {
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int f1;
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int f2;
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};
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void get_field_address_good() {
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struct uninit_s* s = (struct uninit_s*)malloc(2 * sizeof(int));
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if (s) {
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int* p = &s->f1;
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}
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free(s);
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}
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void init_f1(struct uninit_s* p) { p->f1 = 5; }
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void interprocedural_struct_bad_FN() {
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struct uninit_s s;
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init_f1(&s);
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int y = s.f2;
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}
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void malloc_array_good(int len) {
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char* o = (char*)malloc(len);
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if (o) {
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o[0] = 'a';
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}
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free(o);
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}
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