X-Git-Url: https://git.ralfj.de/gltest.git/blobdiff_plain/abe5b74c820514f9f5896309e0e192569db35651..867982470c8f197aaa6364da1c52d530a2023dec:/glutil.cpp

diff --git a/glutil.cpp b/glutil.cpp
index 0da85d5..325c131 100644
--- a/glutil.cpp
+++ b/glutil.cpp
@@ -20,6 +20,16 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdarg.h>
+
+void die(const char *msg, ...)
+{
+	va_list ap;
+	va_start(ap, msg);
+	vfprintf(stderr, msg, ap);
+	va_end(ap);
+	exit(1);
+}
 
 static const char *glErrorToString(GLenum e)
 {
@@ -43,6 +53,5 @@ void checkGlError(const char *what)
 {
 	GLenum e = glGetError();
 	if (e == GL_NO_ERROR) return;
-	fprintf(stderr, "GL error %d (%s): %s\n", e, glErrorToString(e), what);
-	exit(1);
+	die("GL error %d (%s): %s\n", e, glErrorToString(e), what);
 }