src/glu/sgi/libutil/error.c

   1 /*
   2 ** License Applicability. Except to the extent portions of this file are
   3 ** made subject to an alternative license as permitted in the SGI Free
   4 ** Software License B, Version 1.1 (the "License"), the contents of this
   5 ** file are subject only to the provisions of the License. You may not use
   6 ** this file except in compliance with the License. You may obtain a copy
   7 ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
   8 ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
   9 **
  10 ** http://oss.sgi.com/projects/FreeB
  11 **
  12 ** Note that, as provided in the License, the Software is distributed on an
  13 ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
  14 ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
  15 ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
  16 ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
  17 **
  18 ** Original Code. The Original Code is: OpenGL Sample Implementation,
  19 ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
  20 ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
  21 ** Copyright in any portions created by third parties is as indicated
  22 ** elsewhere herein. All Rights Reserved.
  23 **
  24 ** Additional Notice Provisions: The application programming interfaces
  25 ** established by SGI in conjunction with the Original Code are The
  26 ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
  27 ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
  28 ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
  29 ** Window System(R) (Version 1.3), released October 19, 1998. This software
  30 ** was created using the OpenGL(R) version 1.2.1 Sample Implementation
  31 ** published by SGI, but has not been independently verified as being
  32 ** compliant with the OpenGL(R) version 1.2.1 Specification.
  33 **
  34 */
  35
  36 #include "gluos.h"
  37 #include "gluint.h"
  38 #include <GL/glu.h>
  39 #include <stdio.h>
  40 #include <stdlib.h>
  41
  42
  43 struct token_string
  44 {
  45    GLuint Token;
  46    const char *String;
  47 };
  48
  49 static const struct token_string Errors[] = {
  50    { GL_NO_ERROR, "no error" },
  51    { GL_INVALID_ENUM, "invalid enumerant" },
  52    { GL_INVALID_VALUE, "invalid value" },
  53    { GL_INVALID_OPERATION, "invalid operation" },
  54    { GL_STACK_OVERFLOW, "stack overflow" },
  55    { GL_STACK_UNDERFLOW, "stack underflow" },
  56    { GL_OUT_OF_MEMORY, "out of memory" },
  57    { GL_TABLE_TOO_LARGE, "table too large" },
  58 #ifdef GL_EXT_framebuffer_object
  59    { GL_INVALID_FRAMEBUFFER_OPERATION_EXT, "invalid framebuffer operation" },
  60 #endif
  61    /* GLU */
  62    { GLU_INVALID_ENUM, "invalid enumerant" },
  63    { GLU_INVALID_VALUE, "invalid value" },
  64    { GLU_OUT_OF_MEMORY, "out of memory" },
  65    { GLU_INCOMPATIBLE_GL_VERSION, "incompatible gl version" },
  66    { GLU_INVALID_OPERATION, "invalid operation" },
  67    { ~0, NULL } /* end of list indicator */
  68 };
  69
  70
  71
  72 const GLubyte* GLAPIENTRY
  73 gluErrorString(GLenum errorCode)
  74 {
  75     int i;
  76     for (i = 0; Errors[i].String; i++) {
  77         if (Errors[i].Token == errorCode)
  78             return (const GLubyte *) Errors[i].String;
  79     }
  80     if ((errorCode >= GLU_NURBS_ERROR1) && (errorCode <= GLU_NURBS_ERROR37)) {
  81         return (const GLubyte *) __gluNURBSErrorString(errorCode - (GLU_NURBS_ERROR1 - 1));
  82     }
  83     if ((errorCode >= GLU_TESS_ERROR1) && (errorCode <= GLU_TESS_ERROR6)) {
  84         return (const GLubyte *) __gluTessErrorString(errorCode - (GLU_TESS_ERROR1 - 1));
  85     }
  86     return (const GLubyte *) 0;
  87 }
  88