forked from OSchip/llvm-project
61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
// RUN: %python %S/check_clang_tidy.py %s google-runtime-memset %t
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void *memset(void *, int, __SIZE_TYPE__);
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namespace std {
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using ::memset;
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}
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template <int i, typename T>
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void memtmpl() {
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memset(0, sizeof(int), i);
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memset(0, sizeof(T), sizeof(T));
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memset(0, sizeof(T), 0);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: memset of size zero, potentially swapped argument
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// CHECK-FIXES: memset(0, 0, sizeof(T));
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memset(0, sizeof(int), 0);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: memset of size zero, potentially swapped argument
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// CHECK-FIXES: memset(0, 0, sizeof(int));
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}
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void foo(void *a, int xsize, int ysize) {
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memset(a, sizeof(int), 0);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: memset of size zero, potentially swapped argument
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// CHECK-FIXES: memset(a, 0, sizeof(int));
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#define M memset(a, sizeof(int), 0);
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M
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: memset of size zero, potentially swapped argument
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// CHECK-FIXES: #define M memset(a, sizeof(int), 0);
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::memset(a, xsize *
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ysize, 0);
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// CHECK-MESSAGES: :[[@LINE-2]]:3: warning: memset of size zero, potentially swapped argument
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// CHECK-FIXES: ::memset(a, 0, xsize *
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// CHECK-FIXES-NEXT: ysize);
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std::memset(a, sizeof(int), 0x00);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: memset of size zero, potentially swapped argument
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// CHECK-FIXES: std::memset(a, 0x00, sizeof(int));
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const int v = 0;
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memset(a, sizeof(int), v);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: memset of size zero, potentially swapped argument
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// CHECK-FIXES: memset(a, v, sizeof(int));
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memset(a, sizeof(int), v + v);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: memset of size zero, potentially swapped argument
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// CHECK-FIXES: memset(a, v + v, sizeof(int));
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memset(a, sizeof(int), v + 1);
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memset(a, -1, sizeof(int));
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memset(a, 0xcd, 1);
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memset(a, v, 0);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: memset of size zero
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// CHECK-FIXES: memset(a, v, 0);
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memset(a, -1, v);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: memset of size zero
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// CHECK-FIXES: memset(a, -1, v);
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memtmpl<0, int>();
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}
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