diff options
Diffstat (limited to 'libc/src/string/memcpy.cpp')
| -rw-r--r-- | libc/src/string/memcpy.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libc/src/string/memcpy.cpp b/libc/src/string/memcpy.cpp index 0eb7f2c170e0..4d4ff4dd3872 100644 --- a/libc/src/string/memcpy.cpp +++ b/libc/src/string/memcpy.cpp @@ -9,6 +9,7 @@ #include "src/string/memcpy.h" #include "src/__support/common.h" #include "src/__support/macros/config.h" +#include "src/__support/macros/null_check.h" #include "src/string/memory_utils/inline_memcpy.h" namespace LIBC_NAMESPACE_DECL { @@ -16,6 +17,10 @@ namespace LIBC_NAMESPACE_DECL { LLVM_LIBC_FUNCTION(void *, memcpy, (void *__restrict dst, const void *__restrict src, size_t size)) { + if (size) { + LIBC_CRASH_ON_NULLPTR(dst); + LIBC_CRASH_ON_NULLPTR(src); + } inline_memcpy(dst, src, size); return dst; } |