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Guard against people updating the string lists but forgetting to update the

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magic constants sprinkled in the code.  Any reasonable compiler should be
able to optimize this away.


git-svn-id: https://glew.svn.sourceforge.net/svnroot/glew/trunk/glew@147 783a27ee-832a-0410-bc00-9f386506c6dd
This commit is contained in:
mem 2003-10-02 09:49:29 +00:00
parent 48708fe729
commit ede84ed0fb
1 changed files with 7 additions and 5 deletions
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12
auto/src/glew_post.c
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@ -9,13 +9,14 @@ const GLubyte* glewGetErrorString (GLenum error)
{ {
static const GLubyte* _glewErrorString[] = static const GLubyte* _glewErrorString[] =
{ {
"no error", "No error",
"missing GL version", "Missing GL version",
"GL 1.1 and up are not supported", "GL 1.1 and up are not supported",
"GLX 1.2 and up are not supported", "GLX 1.2 and up are not supported",
"unknown error" "Unknown error"
}; };
return _glewErrorString[error > 4 ? 4 : error]; const int max_error = sizeof(_glewErrorString)/sizeof(*_glewErrorString) - 1;
return _glewErrorString[error > max_error ? max_error : error];
} }
const GLubyte* glewGetString (GLenum name) const GLubyte* glewGetString (GLenum name)
@ -25,7 +26,8 @@ const GLubyte* glewGetString (GLenum name)
NULL, NULL,
"GLEW_VERSION_STRING" "GLEW_VERSION_STRING"
}; };
return _glewString[name > 1 ? 0 : name]; const int max_string = sizeof(_glewString)/sizeof(*_glewString) - 1;
return _glewString[name > max_string ? max_string : name];
} }
/* ------------------------------------------------------------------------ */ /* ------------------------------------------------------------------------ */