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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.
This commit is contained in:
Bram Moolenaar
2021-11-17 18:00:31 +00:00
parent a062006b9d
commit 615ddd5342
4 changed files with 22 additions and 2 deletions
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6
src/normal.c
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@@ -3881,8 +3881,10 @@ get_visual_text(
*pp = ml_get_pos(&VIsual);
*lenp = curwin->w_cursor.col - VIsual.col + 1;
}
if (has_mbyte)
// Correct the length to include the whole last character.
if (**pp == NUL)
*lenp = 0;
if (has_mbyte && *lenp > 0)
// Correct the length to include all bytes of the last character.
*lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 1;
}
reset_VIsual_and_resel();