From 47ed553fd5bebfc36eb8aa81686eeaa5a84eccac Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Thu, 8 Aug 2019 20:49:14 +0200
Subject: patch 8.1.1827: allocating more memory than needed for extended
 structs

Problem:    Allocating more memory than needed for extended structs.
Solution:   Use offsetof() instead of sizeof(). (Dominique Pelle,
            closes #4786)
---
 src/syntax.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/syntax.c')

diff --git a/src/syntax.c b/src/syntax.c
index ad2e1a0cc..3d06f44f7 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -4394,7 +4394,7 @@ add_keyword(
 						 name_folded, MAXKEYWLEN + 1);
     else
 	name_ic = name;
-    kp = alloc(sizeof(keyentry_T) + STRLEN(name_ic));
+    kp = alloc(offsetof(keyentry_T, keyword) + STRLEN(name_ic) + 1);
     if (kp == NULL)
 	return;
     STRCPY(kp->keyword, name_ic);
-- 
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