1 files changed, 42 insertions, 0 deletions
diff --git a/src/Fl_System_Driver.cxx b/src/Fl_System_Driver.cxx
index 711d9abaa..9a372885d 100644
--- a/src/Fl_System_Driver.cxx
+++ b/src/Fl_System_Driver.cxx
@@ -19,6 +19,8 @@
 
 #include <FL/Fl_System_Driver.H>
 #include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
 
 const int Fl_System_Driver::flNoValue =	    0x0000;
 const int Fl_System_Driver::flWidthValue =  0x0004;
@@ -38,6 +40,46 @@ Fl_System_Driver::~Fl_System_Driver()
 {
 }
 
+void Fl_System_Driver::warning(const char* format, ...) {
+  va_list args;
+  va_start(args, format);
+  driver()->warning(format, args);
+  va_end(args);
+}
+
+void Fl_System_Driver::warning(const char* format, va_list args) {
+  vfprintf(stderr, format, args);
+  fputc('\n', stderr);
+  fflush(stderr);
+}
+
+void Fl_System_Driver::error(const char* format, ...) {
+  va_list args;
+  va_start(args, format);
+  driver()->error(format, args);
+  va_end(args);
+}
+
+void Fl_System_Driver::error(const char *format, va_list args) {
+  vfprintf(stderr, format, args);
+  fputc('\n', stderr);
+  fflush(stderr);
+}
+
+void Fl_System_Driver::fatal(const char* format, ...) {
+  va_list args;
+  va_start(args, format);
+  driver()->fatal(format, args);
+  va_end(args);
+}
+
+void Fl_System_Driver::fatal(const char *format, va_list args) {
+  vfprintf(stderr, format, args);
+  fputc('\n', stderr);
+  fflush(stderr);
+  exit(1);
+}
+
 /* the following function was stolen from the X sources as indicated. */
 
 /* Copyright 	Massachusetts Institute of Technology  1985, 1986, 1987 */