1 files changed, 86 insertions, 0 deletions
diff --git a/src/glut/glx/glut_util.c b/src/glut/glx/glut_util.c
new file mode 100644
index 00000000000..e18a47fb83c
--- /dev/null
+++ b/src/glut/glx/glut_util.c
@@ -0,0 +1,86 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/* This program is freely distributable without licensing fees
+   and is provided without guarantee or warrantee expressed or
+   implied. This program is -not- in the public domain. */
+
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "glutint.h"
+
+/* strdup is actually not a standard ANSI C or POSIX routine
+   so implement a private one for GLUT.  OpenVMS does not have a
+   strdup; Linux's standard libc doesn't declare strdup by default
+   (unless BSD or SVID interfaces are requested). */
+char *
+__glutStrdup(const char *string)
+{
+  char *copy;
+
+  copy = (char*) malloc(strlen(string) + 1);
+  if (copy == NULL)
+    return NULL;
+  strcpy(copy, string);
+  return copy;
+}
+
+void
+__glutWarning(char *format,...)
+{
+  va_list args;
+
+  va_start(args, format);
+  fprintf(stderr, "GLUT: Warning in %s: ",
+    __glutProgramName ? __glutProgramName : "(unamed)");
+  vfprintf(stderr, format, args);
+  va_end(args);
+  putc('\n', stderr);
+}
+
+/* CENTRY */
+void APIENTRY 
+glutReportErrors(void)
+{
+  GLenum error;
+
+  while ((error = glGetError()) != GL_NO_ERROR)
+    __glutWarning("GL error: %s", gluErrorString(error));
+}
+/* ENDCENTRY */
+
+void
+__glutFatalError(char *format,...)
+{
+  va_list args;
+
+  va_start(args, format);
+  fprintf(stderr, "GLUT: Fatal Error in %s: ",
+    __glutProgramName ? __glutProgramName : "(unamed)");
+  vfprintf(stderr, format, args);
+  va_end(args);
+  putc('\n', stderr);
+#ifdef _WIN32
+  if (__glutExitFunc) {
+    __glutExitFunc(1);
+  }
+#endif
+  exit(1);
+}
+
+void
+__glutFatalUsage(char *format,...)
+{
+  va_list args;
+
+  va_start(args, format);
+  fprintf(stderr, "GLUT: Fatal API Usage in %s: ",
+    __glutProgramName ? __glutProgramName : "(unamed)");
+  vfprintf(stderr, format, args);
+  va_end(args);
+  putc('\n', stderr);
+  abort();
+}