From cc250baf3cc24eed1cb7709ded1eede9285997cc Mon Sep 17 00:00:00 2001
From: shove <shove@163.com>
Date: Sun, 31 Dec 2023 13:04:41 +0800
Subject: [PATCH] cgen: fix missing line breaks in generated code with closure
 IIFE, when compiled with '-g' (fix #20306) (#20316)

---
 examples/viewer/view.v          | 8 ++++----
 examples/viewer/zip_container.v | 2 +-
 vlib/v/gen/c/fn.v               | 3 +++
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/examples/viewer/view.v b/examples/viewer/view.v
index d9f6f66640..499ae6017b 100644
--- a/examples/viewer/view.v
+++ b/examples/viewer/view.v
@@ -16,7 +16,7 @@ import sokol.gfx
 import sokol.sgl
 import sokol.sapp
 import stbi
-import szip
+import compress.szip
 import strings
 
 // Help text
@@ -801,10 +801,10 @@ fn main() {
 
 	// App init
 	mut app := &App{
-		gg: 0
+		gg: unsafe { nil }
 		// zip fields
-		zip: 0
-		item_list: 0
+		zip: unsafe { nil }
+		item_list: unsafe { nil }
 	}
 
 	app.state = .scanning
diff --git a/examples/viewer/zip_container.v b/examples/viewer/zip_container.v
index 43f2809a8b..d61f463944 100644
--- a/examples/viewer/zip_container.v
+++ b/examples/viewer/zip_container.v
@@ -9,7 +9,7 @@
 * TODO:
 **********************************************************************/
 import sokol.gfx
-import szip
+import compress.szip
 
 fn (mut il Item_list) scan_zip(path string, in_index int) ! {
 	println('Scanning ZIP [${path}]')
diff --git a/vlib/v/gen/c/fn.v b/vlib/v/gen/c/fn.v
index 1d24d633ca..66969994e8 100644
--- a/vlib/v/gen/c/fn.v
+++ b/vlib/v/gen/c/fn.v
@@ -701,6 +701,9 @@ fn (mut g Gen) call_expr(node ast.CallExpr) {
 			g.expr(node.left)
 			g.writeln(';')
 			g.write(line)
+			if g.out.last_n(1) != '\n' {
+				g.writeln('')
+			}
 			g.write(tmp_var)
 		} else if node.or_block.kind == .absent {
 			g.expr(node.left)