1 /* 2 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) 3 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice including the dates of first publication and 13 * either this permission notice or a reference to 14 * http://oss.sgi.com/projects/FreeB/ 15 * shall be included in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 22 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 * 25 * Except as contained in this notice, the name of Silicon Graphics, Inc. 26 * shall not be used in advertising or otherwise to promote the sale, use or 27 * other dealings in this Software without prior written authorization from 28 * Silicon Graphics, Inc. 29 */ 30 31 #include "gluos.h" 32 #include <GL/glu.h> 33 //#include <stdio.h> 34 //#include <stdlib.h> 35 //#include <string.h> 36 37 static const GLubyte versionString[] = "1.3"; 38 static const GLubyte extensionString[] = 39 "GLU_EXT_nurbs_tessellator " 40 "GLU_EXT_object_space_tess " 41 ; 42 43 const GLubyte * GLAPIENTRY 44 gluGetString(GLenum name) 45 { 46 47 if (name == GLU_VERSION) { 48 return versionString; 49 } else if (name == GLU_EXTENSIONS) { 50 return extensionString; 51 } 52 return NULL; 53 } 54 55 /* extName is an extension name. 56 * extString is a string of extensions separated by blank(s). There may or 57 * may not be leading or trailing blank(s) in extString. 58 * This works in cases of extensions being prefixes of another like 59 * GL_EXT_texture and GL_EXT_texture3D. 60 * Returns GL_TRUE if extName is found otherwise it returns GL_FALSE. 61 */ 62 GLboolean GLAPIENTRY 63 gluCheckExtension(const GLubyte *extName, const GLubyte *extString) 64 { 65 GLboolean flag = GL_FALSE; 66 char *word; 67 char *lookHere; 68 char *deleteThis; 69 70 if (extString == NULL) return GL_FALSE; 71 72 deleteThis = lookHere = (char *)malloc(strlen((const char *)extString)+1); 73 if (lookHere == NULL) 74 return GL_FALSE; 75 /* strtok() will modify string, so copy it somewhere */ 76 strcpy(lookHere,(const char *)extString); 77 78 while ((word= strtok(lookHere," ")) != NULL) { 79 if (strcmp(word,(const char *)extName) == 0) { 80 flag = GL_TRUE; 81 break; 82 } 83 lookHere = NULL; /* get next token */ 84 } 85 free((void *)deleteThis); 86 return flag; 87 } /* gluCheckExtension() */ 88 89 90 91 /*** registry.c ***/ 92