[CPP-434] Squelch alerts for expressions inside macros; try to make Qhelp Jenkins-friendly.

2026-04-30 11:15:13 +02:00 · 2019-11-01 15:24:22 -07:00
parent 3e1fd4a737
commit 2bad9394b7
3 changed files with 31 additions and 23 deletions
--- a/Bugs/Arithmetic/BadAdditionOverflowCheck/SignedOverflowCheck.cpp
+++ b/Bugs/Arithmetic/BadAdditionOverflowCheck/SignedOverflowCheck.cpp
@@ -121,3 +121,10 @@ int overflow12b(int n) {
    // not deleted by gcc or clang
 	return ((unsigned)(n + 32) <= (unsigned)n? -1: 1); // BAD: n + 32 may overflow
 }
+
+#define MACRO(E1, E2) (E1) <= (E2)? -1: 1
+
+int overflow12_macro(int n) {
+	return MACRO((unsigned)(n + 32), (unsigned)n); // GOOD: inside a macro expansion
+}
+