110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
/*
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* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
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* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice including the dates of first publication and
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* either this permission notice or a reference to
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* http://oss.sgi.com/projects/FreeB/
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* shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of Silicon Graphics, Inc.
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* shall not be used in advertising or otherwise to promote the sale, use or
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* other dealings in this Software without prior written authorization from
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* Silicon Graphics, Inc.
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*/
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#include "glxserver.h"
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#include <GL/glxtokens.h>
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#include <pixmapstr.h>
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#include <windowstr.h>
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#include "glxutil.h"
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#include <stdlib.h>
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/************************************************************************/
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void __glXNop(void) {}
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/************************************************************************/
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/* Memory Allocation for GLX */
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void *
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__glXMalloc(size_t size)
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{
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void *addr;
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if (size == 0) {
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return NULL;
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}
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addr = malloc(size);
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if (addr == NULL) {
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/* XXX: handle out of memory error */
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return NULL;
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}
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return addr;
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}
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void *
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__glXCalloc(size_t numElements, size_t elementSize)
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{
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void *addr;
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size_t size;
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if ((numElements == 0) || (elementSize == 0)) {
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return NULL;
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}
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addr = calloc(numElements, elementSize);
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if (addr == NULL) {
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/* XXX: handle out of memory error */
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return NULL;
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}
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return addr;
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}
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void *
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__glXRealloc(void *addr, size_t newSize)
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{
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void *newAddr;
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if (addr) {
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if (newSize == 0) {
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free(addr);
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return NULL;
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} else {
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newAddr = realloc(addr, newSize);
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}
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} else {
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if (newSize == 0) {
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return NULL;
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} else {
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newAddr = malloc(newSize);
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}
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}
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if (newAddr == NULL) {
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return NULL; /* XXX: out of memory */
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}
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return newAddr;
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}
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void
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__glXFree(void *addr)
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{
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free(addr);
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}
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