cgen: fix code for C ident when ptr is expected (#22259)

vlang · Sep 20, 2024 · c866e37 · c866e37
1 parent 9a0f4d8
commit c866e37
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Showing 3 changed files with 16 additions and 0 deletions.
diff --git a/vlib/v/gen/c/fn.v b/vlib/v/gen/c/fn.v
@@ -2719,6 +2719,8 @@ fn (mut g Gen) ref_or_deref_arg(arg ast.CallArg, expected_type ast.Type, lang as
 					if expected_type.has_flag(.option) {
 						g.expr_with_opt(arg.expr, arg_typ, expected_type)
 						return
+					} else if arg.expr is ast.Ident && arg.expr.language == .c {
+						g.write('(voidptr)')
 					} else {
 						g.write('(voidptr)&/*qq*/')
 					}

diff --git a/vlib/v/gen/c/testdata/c_ident_for_ptr_arg.c.must_have b/vlib/v/gen/c/testdata/c_ident_for_ptr_arg.c.must_have
@@ -0,0 +1 @@
+int (*real_open) (charptr , int , int ) = ((main__RealOpen)((dl__sym((voidptr)RTLD_NEXT, _SLIT("open")))));
diff --git a/vlib/v/gen/c/testdata/c_ident_for_ptr_arg.vv b/vlib/v/gen/c/testdata/c_ident_for_ptr_arg.vv
@@ -0,0 +1,13 @@
+module main
+
+import dl
+
+#flag -D_GNU_SOURCE
+
+type RealOpen = fn(charptr, int, int) int
+
+@[export: open]
+fn open(filename charptr, oflag int, mode int) int {
+	real_open := RealOpen((dl.sym(C.RTLD_NEXT, "open")))
+	return real_open(filename, oflag, mode)
+}