зеркало из https://github.com/microsoft/clang-1.git
24 строки
815 B
Objective-C
24 строки
815 B
Objective-C
// RUN: clang-cc -analyze -checker-cfref -analyzer-store=basic --verify %s &&
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// RUN: clang-cc -analyze -checker-cfref -analyzer-store=basic-old-cast --verify %s &&
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// RUN: clang-cc -analyze -checker-cfref -analyzer-store=region --verify %s
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// Test function pointer casts. Currently we track function addresses using
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// loc::FunctionVal. Because casts can be arbitrary, do we need to model
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// functions with regions?
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typedef void* (*MyFuncTest1)(void);
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MyFuncTest1 test1_aux(void);
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void test1(void) {
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void *x;
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void* (*p)(void);
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p = ((void*) test1_aux());
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if (p != ((void*) 0)) x = (*p)();
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}
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// Test casts from void* to function pointers. Same issue as above:
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// should we eventually model function pointers using regions?
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void* test2(void *p) {
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MyFuncTest1 fp = (MyFuncTest1) p;
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return (*fp)();
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}
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