893a303962
Add support for checking mismatched ownership_returns/ownership_takes attributes. Closes #76861
25 lines
979 B
C++
25 lines
979 B
C++
// RUN: %clang_analyze_cc1 -analyzer-checker=core,unix.Malloc -verify -analyzer-output=text %s
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// This file tests that unix.Malloc can handle C++ code where e.g. malloc and
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// free are declared within the namespace 'std' by the header <cstdlib>.
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#include "Inputs/system-header-simulator-cxx.h"
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void leak() {
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int *p = static_cast<int*>(std::malloc(sizeof(int))); // expected-note{{Memory is allocated}}
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} // expected-warning{{Potential leak of memory pointed to by 'p'}}
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// expected-note@-1{{Potential leak of memory pointed to by 'p'}}
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void no_leak() {
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int *p = static_cast<int*>(std::malloc(sizeof(int)));
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std::free(p); // no-warning
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}
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void invalid_free() {
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int i;
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int *p = &i;
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//expected-note@+2{{Argument to 'free()' is the address of the local variable 'i', which is not memory allocated by 'malloc()'}}
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//expected-warning@+1{{Argument to 'free()' is the address of the local variable 'i', which is not memory allocated by 'malloc()'}}
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std::free(p);
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}
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