89 lines
2.0 KiB
C
89 lines
2.0 KiB
C
/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2002 Xodnizel
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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 2 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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdlib.h>
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#include "fceu-types.h"
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#include "fceu.h"
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#include "fceu-memory.h"
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#include "general.h"
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void *FCEU_gmalloc(uint32 size) {
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void *ret;
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ret = malloc(size);
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if (!ret) {
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FCEU_PrintError("Error allocating memory! Doing a hard exit.");
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exit(1);
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}
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return ret;
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}
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void *FCEU_malloc(uint32 size) {
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void *ret;
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ret = malloc(size);
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if (!ret) {
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FCEU_PrintError("Error allocating memory!");
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return(0);
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}
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return ret;
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}
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void FCEU_free(void *ptr) { // Might do something with this and FCEU_malloc later...
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free(ptr);
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}
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void FCEU_gfree(void *ptr) {
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free(ptr);
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}
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void FASTAPASS(3) FCEU_memmove(void *d, void *s, uint32 l) {
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uint32 x;
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int t;
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/* Type really doesn't matter. */
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t = (int)d;
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t |= (int)s;
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t |= (int)l;
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if (t & 3) { // Not 4-byte aligned and/or length is not a multiple of 4.
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uint8 *tmpd, *tmps;
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tmpd = (uint8*)d;
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tmps = (uint8*)s;
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for (x = l; x; x--) { // This could be optimized further, though(more tests could be performed).
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*tmpd = *tmps;
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tmpd++;
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tmps++;
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}
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} else {
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uint32 *tmpd, *tmps;
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tmpd = (uint32*)d;
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tmps = (uint32*)s;
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for (x = l >> 2; x; x--) {
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*tmpd = *tmps;
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tmpd++;
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tmps++;
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}
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}
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}
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