forked from OSchip/llvm-project
59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
// RUN: %check_clang_tidy %s bugprone-misplaced-operator-in-strlen-in-alloc %t
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namespace std {
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typedef __typeof(sizeof(int)) size_t;
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void *malloc(size_t);
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size_t strlen(const char *);
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} // namespace std
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namespace non_std {
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typedef __typeof(sizeof(int)) size_t;
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void *malloc(size_t);
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size_t strlen(const char *);
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} // namespace non_std
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void bad_std_malloc_std_strlen(char *name) {
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char *new_name = (char *)std::malloc(std::strlen(name + 1));
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// CHECK-MESSAGES: :[[@LINE-1]]:28: warning: addition operator is applied to the argument of strlen
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// CHECK-FIXES: {{^ char \*new_name = \(char \*\)std::malloc\(}}std::strlen(name) + 1{{\);$}}
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}
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void ignore_non_std_malloc_std_strlen(char *name) {
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char *new_name = (char *)non_std::malloc(std::strlen(name + 1));
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// CHECK-MESSAGES-NOT: :[[@LINE-1]]:28: warning: addition operator is applied to the argument of strlen
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// Ignore functions of the malloc family in custom namespaces
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}
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void ignore_std_malloc_non_std_strlen(char *name) {
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char *new_name = (char *)std::malloc(non_std::strlen(name + 1));
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// CHECK-MESSAGES-NOT: :[[@LINE-1]]:28: warning: addition operator is applied to the argument of strlen
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// Ignore functions of the strlen family in custom namespaces
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}
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void bad_new_strlen(char *name) {
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char *new_name = new char[std::strlen(name + 1)];
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// CHECK-MESSAGES: :[[@LINE-1]]:20: warning: addition operator is applied to the argument of strlen
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// CHECK-FIXES: {{^ char \*new_name = new char\[}}std::strlen(name) + 1{{\];$}}
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}
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void good_new_strlen(char *name) {
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char *new_name = new char[std::strlen(name) + 1];
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// CHECK-MESSAGES-NOT: :[[@LINE-1]]:20: warning: addition operator is applied to the argument of strlen
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}
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class C {
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char c;
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public:
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static void *operator new[](std::size_t count) {
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return ::operator new(count);
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}
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};
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void bad_custom_new_strlen(char *name) {
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C *new_name = new C[std::strlen(name + 1)];
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// CHECK-MESSAGES: :[[@LINE-1]]:17: warning: addition operator is applied to the argument of strlen
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// CHECK-FIXES: {{^ C \*new_name = new C\[}}std::strlen(name) + 1{{\];$}}
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}
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