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VE: disallow buffer overflow during typing

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When reaching the end of the buffer when typing in IBUF or FBUF, stop
typing instead of overflowing.
This commit is contained in:
Virgil Dupras 2020-06-11 14:48:18 -04:00
parent 394f962510
commit e83d5073ba
1 changed files with 2 additions and 2 deletions
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@ -6,5 +6,5 @@
: buftype ( buf ln -- )
3 OVER AT-XY C< DUP 0xd = IF 2DROP DROP EXIT THEN
( buf ln c ) 63 nspcs SWAP 4 SWAP AT-XY ( buf c )
SWAP DUP _zbuf BEGIN ( c a )
C!+ C< TUCK 0x0d = UNTIL ( c a ) C! ;
SWAP DUP _zbuf C!+ DUP 63 + SWAP DO
C< DUP 0x0d = IF LEAVE THEN i C! LOOP ;