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vim-patch:8.2.3611: crash when using CTRL-W f without finding a file name

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Problem:    Crash when using CTRL-W f without finding a file name.
Solution:   Bail out when the file name length is zero.
615ddd5342
This commit is contained in:
zeertzjq
2022-01-18 10:05:31 +08:00
parent 0a65d821fc
commit ec39e1e421
4 changed files with 23 additions and 2 deletions
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9
src/nvim/normal.c
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@@ -4472,8 +4472,13 @@ bool get_visual_text(cmdarg_T *cap, char_u **pp, size_t *lenp)
*pp = ml_get_pos(&VIsual);
*lenp = (size_t)curwin->w_cursor.col - (size_t)VIsual.col + 1;
}
// Correct the length to include the whole last character.
*lenp += (size_t)(utfc_ptr2len(*pp + (*lenp - 1)) - 1);
if (**pp == NUL) {
*lenp = 0;
}
if (*lenp > 0) {
// Correct the length to include all bytes of the last character.
*lenp += (size_t)(utfc_ptr2len(*pp + (*lenp - 1)) - 1);
}
}
reset_VIsual_and_resel();
return true;