From 4907129077dc1586081f4128c1068badfaf0910f Mon Sep 17 00:00:00 2001
From: Nick Bowler <nbowler@draconx.ca>
Date: Thu, 14 Jul 2011 20:34:42 -0400
Subject: [PATCH] Forbid arrays of functions.

---
 src/parse-decl.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/parse-decl.c b/src/parse-decl.c
index 0cf830d..47b60a3 100644
--- a/src/parse-decl.c
+++ b/src/parse-decl.c
@@ -333,6 +333,21 @@ check_rettypes(struct cdecl_declarator **p, struct cdecl_declarator *d)
 	return 0;
 }
 
+static int
+check_arrays(struct cdecl_declarator **p, struct cdecl_declarator *d)
+{
+	if (!d->child || d->child->type != CDECL_DECL_ARRAY)
+		return 0;
+
+	switch (d->type) {
+	case CDECL_DECL_FUNCTION:
+		fprintf(stderr, "array members cannot be functions\n");
+		return -1;
+	}
+
+	return 0;
+}
+
 /*
  * Traverse the parse tree, calling a function on every declarator in a
  * depth-first preorder traversal.  The function is given a pointer to the
@@ -398,6 +413,8 @@ struct cdecl *cdecl_parse_decl(const char *declstr)
 			goto err;
 		if (!forall_declarators(i, check_rettypes))
 			goto err;
+		if (!forall_declarators(i, check_arrays))
+			goto err;
 
 		if (!valid_declspecs(i, true))
 			goto err;
-- 
2.43.2