| \ dynamic string handling 10aug99py |
\ dynamic string handling 10aug99py |
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\ Copyright (C) 2000 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
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\ Gforth is free software; you can redistribute it and/or |
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\ modify it under the terms of the GNU General Public License |
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\ as published by the Free Software Foundation; either version 2 |
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\ of the License, or (at your option) any later version. |
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\ This program is distributed in the hope that it will be useful, |
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\ but WITHOUT ANY WARRANTY; without even the implied warranty of |
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\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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\ GNU General Public License for more details. |
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\ You should have received a copy of the GNU General Public License |
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\ along with this program; if not, write to the Free Software |
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\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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| : delete ( buffer size count -- ) |
: delete ( buffer size count -- ) |
| over min >r r@ - ( left over ) dup 0> |
over min >r r@ - ( left over ) dup 0> |
| IF 2dup swap dup r@ + -rot swap move THEN + r> bl fill ; |
IF 2dup swap dup r@ + -rot swap move THEN + r> bl fill ; |
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[IFUNDEF] insert |
| : insert ( string length buffer size -- ) |
: insert ( string length buffer size -- ) |
| rot over min >r r@ - ( left over ) |
rot over min >r r@ - ( left over ) |
| over dup r@ + rot move r> move ; |
over dup r@ + rot move r> move ; |
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[THEN] |
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| : $padding ( n -- n' ) |
: $padding ( n -- n' ) |
| [ 6 cells ] Literal + [ -4 cells ] Literal and ; |
[ 6 cells ] Literal + [ -4 cells ] Literal and ; |
