From b1e04dbac4d2504f2a91359c1cd1310afcf60bc6 Mon Sep 17 00:00:00 2001
From: Jonathan Gray <jsg@jsg.id.au>
Date: Sun, 28 Apr 2013 18:07:05 +1000
Subject: [PATCH] avoid overflowing buffer with GL_EXTENSIONS, from ioquake3

---
 CODE-mp/renderer/tr_init.cpp | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/CODE-mp/renderer/tr_init.cpp b/CODE-mp/renderer/tr_init.cpp
index c9d0403..294bd52 100644
--- a/CODE-mp/renderer/tr_init.cpp
+++ b/CODE-mp/renderer/tr_init.cpp
@@ -707,6 +707,27 @@ void GL_SetDefaultState( void )
 	qglDisable( GL_BLEND );
 }
 
+/*
+================
+R_PrintLongString
+
+Workaround for ri.Printf's 4096 characters buffer limit.
+================
+*/
+void R_PrintLongString(const char *string) {
+	char buffer[4096];
+	const char *p;
+	int size = strlen(string);
+
+	p = string;
+	while(size > 0)
+	{
+		Q_strncpyz(buffer, p, sizeof (buffer) );
+		ri.Printf( PRINT_ALL, "%s", buffer );
+		p += 4095;
+		size -= 4095;
+	}
+}
 
 /*
 ================
@@ -737,7 +758,9 @@ void GfxInfo_f( void )
 	ri.Printf( PRINT_ALL, "\nGL_VENDOR: %s\n", glConfig.vendor_string );
 	ri.Printf( PRINT_ALL, "GL_RENDERER: %s\n", glConfig.renderer_string );
 	ri.Printf( PRINT_ALL, "GL_VERSION: %s\n", glConfig.version_string );
-	ri.Printf( PRINT_ALL, "GL_EXTENSIONS: %s\n", glConfig.extensions_string );
+	ri.Printf( PRINT_ALL, "GL_EXTENSIONS: " );
+	R_PrintLongString( glConfig.extensions_string );
+	ri.Printf( PRINT_ALL, "\n" );
 	ri.Printf( PRINT_ALL, "GL_MAX_TEXTURE_SIZE: %d\n", glConfig.maxTextureSize );
 	ri.Printf( PRINT_ALL, "GL_MAX_ACTIVE_TEXTURES_ARB: %d\n", glConfig.maxActiveTextures );
 	ri.Printf( PRINT_ALL, "\nPIXELFORMAT: color(%d-bits) Z(%d-bit) stencil(%d-bits)\n", glConfig.colorBits, glConfig.depthBits, glConfig.stencilBits );