From 891c8fbd0c825b6716225e778a8f013afb858d57 Mon Sep 17 00:00:00 2001
From: Andrew Clayton <ac@sigsegv.uk>
Date: Fri, 7 Mar 2025 00:07:25 +0000
Subject: Initial commit

Signed-off-by: Andrew Clayton <ac@sigsegv.uk>
---
 examples/pass-by-value.c | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 examples/pass-by-value.c

(limited to 'examples/pass-by-value.c')

diff --git a/examples/pass-by-value.c b/examples/pass-by-value.c
new file mode 100644
index 0000000..c452591
--- /dev/null
+++ b/examples/pass-by-value.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+struct s {
+	int i;
+};
+
+static void fv(struct s *s)
+{
+	/* Do something with s */
+
+	free(s);
+	s = NULL;
+}
+
+static void fr(struct s **s)
+{
+	/* Do something with s */
+
+	free(*s);
+	*s = NULL;
+}
+
+int main(void)
+{
+	struct s *s;
+
+	s = malloc(sizeof(*s));
+	printf("s: %p\n", s);
+	fv(s);
+	printf("s: %p\n", s);
+
+	printf("\n");
+
+	s = malloc(sizeof(*s));
+	printf("s: %p\n", s);
+	fr(&s);
+	printf("s: %p\n", s);
+
+	return 0;
+}
-- 
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