From 14b5c93ba139c8d3a7f8d834379d676d529a0ad5 Mon Sep 17 00:00:00 2001
From: Jonathan Gray <jsg@jsg.id.au>
Date: Fri, 26 Apr 2013 18:04:20 +1000
Subject: [PATCH] avoid overflowing buffer with GL_EXTENSIONS, from ioquake3

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

diff --git a/codemp/renderer/tr_init.cpp b/codemp/renderer/tr_init.cpp
index fe059cb..63fae51 100644
--- a/codemp/renderer/tr_init.cpp
+++ b/codemp/renderer/tr_init.cpp
@@ -866,6 +866,27 @@ void GL_SetDefaultState( void )
 #endif
 }
 
+/*
+================
+R_PrintLongString
+
+Workaround for VID_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) );
+		Com_Printf( "%s", buffer );
+		p += 4095;
+		size -= 4095;
+	}
+}
 
 /*
 ================
@@ -898,7 +919,9 @@ void GfxInfo_f( void )
 	Com_Printf ("\nGL_VENDOR: %s\n", glConfig.vendor_string );
 	Com_Printf ("GL_RENDERER: %s\n", glConfig.renderer_string );
 	Com_Printf ("GL_VERSION: %s\n", glConfig.version_string );
-	Com_Printf ("GL_EXTENSIONS: %s\n", glConfig.extensions_string );
+	Com_Printf ("GL_EXTENSIONS: " );
+	R_PrintLongString( glConfig.extensions_string );
+	Com_Printf ("\n");
 	Com_Printf ("GL_MAX_TEXTURE_SIZE: %d\n", glConfig.maxTextureSize );
 	Com_Printf ("GL_MAX_ACTIVE_TEXTURES_ARB: %d\n", glConfig.maxActiveTextures );
 	Com_Printf ("\nPIXELFORMAT: color(%d-bits) Z(%d-bit) stencil(%d-bits)\n", glConfig.colorBits, glConfig.depthBits, glConfig.stencilBits );