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63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "glk/alan3/lists.h"
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#include "glk/alan3/syserr.h"
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namespace Glk {
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namespace Alan3 {
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void initArray(void *array) {
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implementationOfSetEndOfArray((Aword *)array);
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}
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/* How to know we are at end of a table or array, first Aword == EOD */
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void implementationOfSetEndOfArray(Aword *adr) {
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*adr = EOD;
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}
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bool implementationOfIsEndOfList(Aword *adr) {
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return *adr == EOD;
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}
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int lengthOfArrayImplementation(void *array_of_any_type, int element_size_in_bytes) {
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int length;
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int element_size = element_size_in_bytes / sizeof(Aword);
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Aword *array = (Aword *)array_of_any_type;
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if (array == nullptr)
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syserr("Taking length of NULL array");
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for (length = 0; !isEndOfArray(&array[length * element_size]); length++)
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;
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return length;
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}
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void addElementImplementation(void *array_of_any_type, void *element, int element_size_in_bytes) {
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Aword *array = (Aword *)array_of_any_type;
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int length = lengthOfArray(array);
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int element_size_in_words = element_size_in_bytes / sizeof(Aword);
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memcpy(&array[length * element_size_in_words], element, element_size_in_bytes);
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setEndOfArray(&array[(length + 1)*element_size_in_words]);
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}
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} // End of namespace Alan3
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} // End of namespace Glk
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