forked from OSchip/llvm-project
61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
// RUN: %clang_analyze_cc1 -verify="no-silence" %s \
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// RUN: -triple i386-unknown-linux-gnu \
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// RUN: -analyzer-checker=core,apiModeling \
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// RUN: -analyzer-checker=unix.Malloc \
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// RUN: -analyzer-checker=cplusplus.NewDelete
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// RUN: %clang_analyze_cc1 -verify="unix-silenced" %s \
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// RUN: -triple i386-unknown-linux-gnu \
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// RUN: -analyzer-checker=core,apiModeling \
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// RUN: -analyzer-checker=unix.Malloc \
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// RUN: -analyzer-checker=cplusplus.NewDelete\
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// RUN: -analyzer-config silence-checkers="unix"
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// RUN: %clang_analyze_cc1 -verify="deadstore-silenced" %s \
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// RUN: -analyzer-checker=core \
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// RUN: -analyzer-checker=apiModeling \
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// RUN: -analyzer-checker=deadcode \
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// RUN: -analyzer-config silence-checkers="deadcode.DeadStores"
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#include "Inputs/system-header-simulator-cxx.h"
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typedef __typeof(sizeof(int)) size_t;
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void *malloc(size_t);
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void free(void *);
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void *realloc(void *ptr, size_t size);
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void *calloc(size_t nmemb, size_t size);
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char *strdup(const char *s);
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void checkThatMallocCheckerIsRunning() {
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malloc(4);
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} // no-silence-warning{{Potential memory leak [unix.Malloc]}}
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int const_ptr_and_callback_def_param_null(int, const char *, int n, void (*)(void *) = 0);
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void r11160612_no_callback() {
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char *x = (char *)malloc(12);
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const_ptr_and_callback_def_param_null(0, x, 12);
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} // no-silence-warning{{Potential leak of memory pointed to by 'x' [unix.Malloc]}}
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#define ZERO_SIZE_PTR ((void *)16)
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void test_delete_ZERO_SIZE_PTR() {
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int *Ptr = (int *)ZERO_SIZE_PTR;
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// ZERO_SIZE_PTR is specially handled but only for malloc family
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delete Ptr; // no-silence-warning{{Argument to 'delete' is a constant address (16), which is not memory allocated by 'new' [cplusplus.NewDelete]}}
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// unix-silenced-warning@-1{{Argument to 'delete' is a constant address (16), which is not memory allocated by 'new' [cplusplus.NewDelete]}}
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}
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// deadstore-silenced-no-diagnostics
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int foo() {
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int x = 42;
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return x;
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}
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void g() {
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int y;
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y = 7;
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int x = foo();
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y = 10;
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}
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