Synchronize with trunk's revision r57629.
[reactos.git] / dll / opengl / glu32 / src / libutil / registry.c
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 ***/