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vim-patch:8.0.0212: buffer for key name may be too small (#8009)

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Problem:    The buffer used to store a key name theoreticaly could be too
            small. (Coverity)
Solution:   Count all possible modifier characters.  Add a check for the
            length just in case.

423977d3ce
This commit is contained in:
KunMing Xie
2018-02-19 04:55:39 +08:00
committed by Justin M. Keyes
parent 71e89cec23
commit 44071fe77a
2 changed files with 12 additions and 5 deletions
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5
src/nvim/keymap.h
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@@ -448,9 +448,10 @@ enum key_extra {
/*
* The length of the longest special key name, including modifiers.
* Current longest is <M-C-S-T-4-MiddleRelease> (length includes '<' and '>').
* Current longest is <M-C-S-T-D-A-4-ScrollWheelRight> (length includes '<' and
* '>').
*/
#define MAX_KEY_NAME_LEN 25
#define MAX_KEY_NAME_LEN 32
// Maximum length of a special key event as tokens. This includes modifiers.
// The longest event is something like <M-C-S-T-4-LeftDrag> which would be the