[libc-commits] [libc] [libc] Expand usage of libc null checks. (PR #116262)

[via libc-commits]

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@@ -112,3 +113,12 @@ TEST(LlvmLibcMemRChrTest, ZeroLengthShouldReturnNullptr) {
   // This will iterate over exactly zero characters, so should return nullptr.
   ASSERT_STREQ(call_memrchr(src, 'd', 0), nullptr);
 }
+
+#if defined(LIBC_TARGET_OS_IS_LINUX)
+
+TEST(LlvmLibcMemRChrTest, CrashOnNullPtr) {
+  ASSERT_DEATH([]() { LIBC_NAMESPACE::memrchr(nullptr, 'd', 1); },
+               WITH_SIGNAL(SIGSEGV));
+}
+
+#endif // defined(LIBC_TARGET_OS_IS_LINUX)
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lntue wrote:

nit: missing extra line at the end.

https://github.com/llvm/llvm-project/pull/116262