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/*
* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice including the dates of first publication and
* either this permission notice or a reference to
* http://oss.sgi.com/projects/FreeB/
* shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of Silicon Graphics, Inc.
* shall not be used in advertising or otherwise to promote the sale, use or
* other dealings in this Software without prior written authorization from
* Silicon Graphics, Inc.
*/
#include "gluos.h"
#include <GL/glu.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static const GLubyte versionString[] = "1.3";
static const GLubyte extensionString[] =
"GLU_EXT_nurbs_tessellator "
"GLU_EXT_object_space_tess "
;
const GLubyte * GLAPIENTRY
gluGetString(GLenum name)
{
if (name == GLU_VERSION) {
return versionString;
} else if (name == GLU_EXTENSIONS) {
return extensionString;
}
return NULL;
}
/* extName is an extension name.
* extString is a string of extensions separated by blank(s). There may or
* may not be leading or trailing blank(s) in extString.
* This works in cases of extensions being prefixes of another like
* GL_EXT_texture and GL_EXT_texture3D.
* Returns GL_TRUE if extName is found otherwise it returns GL_FALSE.
*/
GLboolean GLAPIENTRY
gluCheckExtension(const GLubyte *extName, const GLubyte *extString)
{
GLboolean flag = GL_FALSE;
char *word;
char *lookHere;
char *deleteThis;
if (extString == NULL) return GL_FALSE;
deleteThis = lookHere = (char *)malloc(strlen((const char *)extString)+1);
if (lookHere == NULL)
return GL_FALSE;
/* strtok() will modify string, so copy it somewhere */
strcpy(lookHere,(const char *)extString);
while ((word= strtok(lookHere," ")) != NULL) {
if (strcmp(word,(const char *)extName) == 0) {
flag = GL_TRUE;
break;
}
lookHere = NULL; /* get next token */
}
free((void *)deleteThis);
return flag;
} /* gluCheckExtension() */
/*** registry.c ***/
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