mirrors/neovim
1
0
Fork 0
mirror of https://github.com/neovim/neovim.git synced 2025-09-30 23:18:33 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix(undo): fix crash caused by checking undolevels in wrong buffer

Browse Source 
fixes #24894
This commit is contained in:
bfredl
2023-08-27 11:26:54 +02:00
parent 9b9030ff2c
commit 840749d6c9
2 changed files with 11 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/nvim/undo.c
View File

@@ -3208,15 +3208,13 @@ u_header_T *u_force_get_undo_header(buf_T *buf)
}
// Create the first undo header for the buffer
if (!uhp) {
// Undo is normally invoked in change code, which already has swapped
// curbuf.
// Args are tricky: this means replace empty range by empty range..
u_savecommon(curbuf, 0, 1, 1, true);
u_savecommon(buf, 0, 1, 1, true);
uhp = buf->b_u_curhead;
if (!uhp) {
uhp = buf->b_u_newhead;
if (get_undolevel(curbuf) > 0 && !uhp) {
if (get_undolevel(buf) > 0 && !uhp) {
abort();
}
}