mirrors/neovim
1
0
Fork 0
mirror of https://github.com/neovim/neovim.git synced 2025-09-28 22:18:33 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix #1027: :wundo segfault in new, non-empty buffer

Browse Source
This commit is contained in:
Justin M. Keyes
2014-10-26 20:03:02 +00:00
parent 3fc542b45b
commit 49d5ed5591
2 changed files with 24 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/nvim/undo.c
View File

@@ -1009,7 +1009,7 @@ void u_write_undo(char_u *name, int forceit, buf_T *buf, char_u *hash)
int fd;
FILE *fp = NULL;
int perm;
int write_ok = FALSE;
bool write_ok = false;
if (name == NULL) {
file_name = u_get_undo_file_name(buf->b_ffname, FALSE);
@@ -1116,7 +1116,8 @@ void u_write_undo(char_u *name, int forceit, buf_T *buf, char_u *hash)
*/
FileInfo file_info_old;
FileInfo file_info_new;
if (os_fileinfo((char *)buf->b_ffname, &file_info_old)
if (buf->b_ffname != NULL
&& os_fileinfo((char *)buf->b_ffname, &file_info_old)
&& os_fileinfo((char *)file_name, &file_info_new)
&& file_info_old.stat.st_gid != file_info_new.stat.st_gid
&& os_fchown(fd, -1, file_info_old.stat.st_gid) != 0) {
@@ -1177,7 +1178,7 @@ void u_write_undo(char_u *name, int forceit, buf_T *buf, char_u *hash)
}
if (put_bytes(fp, (long_u)UF_HEADER_END_MAGIC, 2) == OK)
write_ok = TRUE;
write_ok = true;
#ifdef U_DEBUG
if (headers_written != buf->b_u_numhead) {
EMSGN("Written %" PRId64 " headers, ...", headers_written);