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diff src/fold.c @ 26262:2484d6d96166 v8.2.3662

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patch 8.2.3662: illegal memory access if malloc() fails Commit: https://github.com/vim/vim/commit/cf1e0239ceec96396fa51f494e442c799ccd45fb Author: Bram Moolenaar <Bram@vim.org> Date: Wed Nov 24 15:13:26 2021 +0000 patch 8.2.3662: illegal memory access if malloc() fails Problem: Illegal memory access if malloc() fails. Solution: Check 'foldmethod' is not empty. (closes https://github.com/vim/vim/issues/9207)
author Bram Moolenaar <Bram@vim.org>
date Wed, 24 Nov 2021 16:15:03 +0100
parents e8e2c4d33b9b
children fc859aea8cec
line wrap: on
line diff
--- a/src/fold.c
+++ b/src/fold.c
@@ -307,7 +307,7 @@ foldedCount(win_T *win, linenr_T lnum, f
     int
 foldmethodIsManual(win_T *wp)
 {
-    return (wp->w_p_fdm[3] == 'u');
+    return (wp->w_p_fdm[0] != NUL && wp->w_p_fdm[3] == 'u');
 }
 
 // foldmethodIsIndent() {{{2
@@ -327,7 +327,7 @@ foldmethodIsIndent(win_T *wp)
     int
 foldmethodIsExpr(win_T *wp)
 {
-    return (wp->w_p_fdm[1] == 'x');
+    return (wp->w_p_fdm[0] != NUL && wp->w_p_fdm[1] == 'x');
 }
 
 // foldmethodIsMarker() {{{2
@@ -337,7 +337,7 @@ foldmethodIsExpr(win_T *wp)
     int
 foldmethodIsMarker(win_T *wp)
 {
-    return (wp->w_p_fdm[2] == 'r');
+    return (wp->w_p_fdm[0] != NUL && wp->w_p_fdm[2] == 'r');
 }
 
 // foldmethodIsSyntax() {{{2