src/glut/os2/glut_util.cpp

   1
   2 /* Copyright (c) Mark J. Kilgard, 1994. */
   3
   4 /* This program is freely distributable without licensing fees
   5    and is provided without guarantee or warrantee expressed or
   6    implied. This program is -not- in the public domain. */
   7
   8 #include <stdlib.h>
   9 #include <stdarg.h>
  10 #include <string.h>
  11 #include <stdio.h>
  12
  13 #include "glutint.h"
  14
  15 #if !defined(__OS2__)
  16
  17 /* strdup is actually not a standard ANSI C or POSIX routine
  18    so implement a private one for GLUT.  OpenVMS does not have a
  19    strdup; Linux's standard libc doesn't declare strdup by default
  20    (unless BSD or SVID interfaces are requested). */
  21 char *
  22 __glutStrdup(const char *string)
  23 {
  24   char *copy;
  25
  26   copy = (char*) malloc(strlen(string) + 1);
  27   if (copy == NULL)
  28     return NULL;
  29   strcpy(copy, string);
  30   return copy;
  31 }
  32 #endif
  33
  34 void
  35 __glutWarning(char *format,...)
  36 {
  37   va_list args;
  38
  39   va_start(args, format);
  40   fprintf(stderr, "GLUT: Warning in %s: ",
  41     __glutProgramName ? __glutProgramName : "(unamed)");
  42   vfprintf(stderr, format, args);
  43   va_end(args);
  44   putc('\n', stderr);
  45 }
  46
  47 /* CENTRY */
  48 void GLUTAPIENTRY
  49 glutReportErrors(void)
  50 {
  51   GLenum error;
  52
  53   while ((error = glGetError()) != GL_NO_ERROR)
  54     __glutWarning("GL error: %s", gluErrorString(error));
  55 }
  56 /* ENDCENTRY */
  57
  58 void
  59 __glutFatalError(char *format,...)
  60 {
  61   va_list args;
  62
  63   va_start(args, format);
  64   fprintf(stderr, "GLUT: Fatal Error in %s: ",
  65     __glutProgramName ? __glutProgramName : "(unamed)");
  66   vfprintf(stderr, format, args);
  67   va_end(args);
  68   putc('\n', stderr);
  69 /*                   || defined(__OS2__) */
  70 #if defined(_WIN32)
  71   if (__glutExitFunc) {
  72     __glutExitFunc(1);
  73   }
  74 #endif
  75   exit(1);
  76 }
  77
  78 void
  79 __glutFatalUsage(char *format,...)
  80 {
  81   va_list args;
  82
  83   va_start(args, format);
  84   fprintf(stderr, "GLUT: Fatal API Usage in %s: ",
  85     __glutProgramName ? __glutProgramName : "(unamed)");
  86   vfprintf(stderr, format, args);
  87   va_end(args);
  88   putc('\n', stderr);
  89   abort();
  90 }