scc

commit 228c8810099047f20e7db5a1106cdca70a009890
parent 6e2151255c39198d662f840b44f6cbe74412d39e
Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date:   Tue, 28 Apr 2026 11:02:23 +0200

tests/cc: Add 0270-union

Diffstat:
M
tests/cc/execute/.gitignore
 | 
1
+
A
tests/cc/execute/0270-union.c
 | 
45
+++++++++++++++++++++++++++++++++++++++++++++
M
tests/cc/execute/scc-tests.lst
 | 
1
+

3 files changed, 47 insertions(+), 0 deletions(-)
diff --git a/tests/cc/execute/.gitignore b/tests/cc/execute/.gitignore
@@ -2,3 +2,4 @@ test.log
 tests.h
 tmp_*.c
 a.out
+0270-union
diff --git a/tests/cc/execute/0270-union.c b/tests/cc/execute/0270-union.c
@@ -0,0 +1,45 @@
+typedef unsigned int sigset_t ; 
+typedef struct siginfo siginfo_t ; 
+
+struct sigaction { 
+	union { 
+		void (*__sa_handler)(int); 
+		void (*__sa_sigaction)(int, siginfo_t *, void *) ; 
+	} __sigaction_u ; 
+
+	sigset_t sa_mask ; 
+	int sa_flags ; 
+};
+
+int
+_sigaction(int num, struct sigaction *sa, struct sigaction *osa)
+{
+	return num != 3 ? -1 : 0;
+}
+
+void 
+(*signal(int signum, void (* func) (int)))(int) 
+{ 
+	struct sigaction osa , sa = { 
+		.__sigaction_u.__sa_handler = func, 
+	}; 
+
+	if (_sigaction(signum, &sa, &osa ) < 0 ) 
+		return ((void (*)(int)) -1) ; 
+
+	return osa.__sigaction_u.__sa_handler ; 
+}
+
+void
+sighdl(int signo)
+{
+	return 0;
+}
+
+int
+main(void)
+{
+	signal(3, sighdl);
+
+	return 0;
+}
diff --git a/tests/cc/execute/scc-tests.lst b/tests/cc/execute/scc-tests.lst
@@ -260,3 +260,4 @@
 0267-wchar.c
 0268-string.c
 0269-extern.c
+0270-union.c