diff options
Diffstat (limited to 'clang/test/SemaCXX/warn-memset-bad-sizeof.cpp')
| -rw-r--r-- | clang/test/SemaCXX/warn-memset-bad-sizeof.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/warn-memset-bad-sizeof.cpp b/clang/test/SemaCXX/warn-memset-bad-sizeof.cpp index 90ac50472e9..f4876ab442f 100644 --- a/clang/test/SemaCXX/warn-memset-bad-sizeof.cpp +++ b/clang/test/SemaCXX/warn-memset-bad-sizeof.cpp @@ -3,6 +3,7 @@ extern "C" void *memset(void *, int, unsigned); extern "C" void *memmove(void *s1, const void *s2, unsigned n); extern "C" void *memcpy(void *s1, const void *s2, unsigned n); +extern "C" void *memcmp(void *s1, const void *s2, unsigned n); struct S {int a, b, c, d;}; typedef S* PS; @@ -51,6 +52,11 @@ void f(Mat m, const Foo& const_foo, char *buffer) { memcpy(0, &s, sizeof(&s)); // \ // expected-warning {{argument to 'sizeof' in 'memcpy' call is the same expression as the source}} + memmove(ps, 0, sizeof(ps)); // \ + // expected-warning {{argument to 'sizeof' in 'memmove' call is the same expression as the destination}} + memcmp(ps, 0, sizeof(ps)); // \ + // expected-warning {{argument to 'sizeof' in 'memcmp' call is the same expression as the destination}} + /* Shouldn't warn */ memset((void*)&s, 0, sizeof(&s)); memset(&s, 0, sizeof(s)); @@ -99,3 +105,10 @@ void f(Mat m, const Foo& const_foo, char *buffer) { memcpy(&foo, &arr, sizeof(Foo)); memcpy(&arr, &foo, sizeof(Foo)); } + +namespace ns { +void memset(void* s, char c, int n); +void f(int* i) { + memset(i, 0, sizeof(i)); +} +} |
