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vim-patch:8.1.1895: using NULL pointer when out of memory

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Problem:    Using NULL pointer when out of memory.
Solution:   Bail out or skip the code using the pointer. (Zu-Ming Jiang,
            closes vim/vim#4805, closes vim/vim#4843, closes vim/vim#4939, closes vim/vim#4844)
6f10c70b59
This commit is contained in:
Jan Edmund Lazo
2020-05-31 16:17:45 -04:00
parent 64a2884d4c
commit 310a56d0a0
2 changed files with 10 additions and 5 deletions
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11
src/nvim/buffer.c
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@@ -186,14 +186,17 @@ int open_buffer(
}
}
/*
* if there is no memfile at all, exit
* This is OK, since there are no changes to lose.
*/
// If there is no memfile at all, exit.
// This is OK, since there are no changes to lose.
if (curbuf == NULL) {
EMSG(_("E82: Cannot allocate any buffer, exiting..."));
// Don't try to do any saving, with "curbuf" NULL almost nothing
// will work.
v_dying = 2;
getout(2);
}
EMSG(_("E83: Cannot allocate buffer, using other one..."));
enter_buffer(curbuf);
if (old_tw != curbuf->b_p_tw) {