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changed coding style. added a NULL pointer check.

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This commit is contained in:
Daniel Borca 2005-01-14 08:40:43 +00:00
parent 7da875d55f
commit aa7a27b38e
1 changed files with 31 additions and 27 deletions
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10
src/glut/dos/extens.c
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@ -19,9 +19,9 @@
*/ */
/* /*
* DOS/DJGPP glut driver v1.4 for Mesa * DOS/DJGPP glut driver v1.5 for Mesa
* *
* Copyright (C) 2002 - Borca Daniel * Copyright (C) 2002 - Daniel Borca
* Email : dborca@yahoo.com * Email : dborca@yahoo.com
* Web : http://www.geocities.com/dborca * Web : http://www.geocities.com/dborca
*/ */
@ -34,7 +34,8 @@
#include "GL/dmesa.h" #include "GL/dmesa.h"
int APIENTRY glutExtensionSupported (const char *extension) int APIENTRY
glutExtensionSupported (const char *extension)
{ {
static const GLubyte *extensions = NULL; static const GLubyte *extensions = NULL;
const GLubyte *last, *where; const GLubyte *last, *where;
@ -48,6 +49,9 @@ int APIENTRY glutExtensionSupported (const char *extension)
if (!extensions) { if (!extensions) {
extensions = glGetString(GL_EXTENSIONS); extensions = glGetString(GL_EXTENSIONS);
} }
if (!extensions) {
return GL_FALSE;
}
/* Take care of sub-strings etc. */ /* Take care of sub-strings etc. */
for (last = extensions;;) { for (last = extensions;;) {