4 files changed, 48 insertions, 5 deletions

diff --git a/code/qcommon/common.c b/code/qcommon/common.c
index eb46426..7848dee 100644
--- a/code/qcommon/common.c
+++ b/code/qcommon/common.c
@@ -2965,8 +2965,11 @@ PrintCvarMatches
 ===============
 */
 static void PrintCvarMatches( const char *s ) {
+	char value[ TRUNCATE_LENGTH ];
+
 	if ( !Q_stricmpn( s, shortestMatch, strlen( shortestMatch ) ) ) {
-		Com_Printf( "    %s = \"%s\"\n", s, Cvar_VariableString( s ) );
+		Com_TruncateLongString( value, Cvar_VariableString( s ) );
+		Com_Printf( "    %s = \"%s\"\n", s, value );
 	}
 }
 
diff --git a/code/qcommon/cvar.c b/code/qcommon/cvar.c
index 2f59810..2600880 100644
--- a/code/qcommon/cvar.c
+++ b/code/qcommon/cvar.c
@@ -469,7 +469,10 @@ Handles variable inspection and changing from the console
 ============
 */
 qboolean Cvar_Command( void ) {
-	cvar_t			*v;
+	cvar_t	*v;
+	char		string[ TRUNCATE_LENGTH ];
+	char		resetString[ TRUNCATE_LENGTH ];
+	char		latchedString[ TRUNCATE_LENGTH ];
 
 	// check variables
 	v = Cvar_FindVar (Cmd_Argv(0));
@@ -479,9 +482,13 @@ qboolean Cvar_Command( void ) {
 
 	// perform a variable print or set
 	if ( Cmd_Argc() == 1 ) {
-		Com_Printf ("\"%s\" is:\"%s" S_COLOR_WHITE "\" default:\"%s" S_COLOR_WHITE "\"\n", v->name, v->string, v->resetString );
+		Com_TruncateLongString( string, v->string );
+		Com_TruncateLongString( resetString, v->resetString );
+		Com_Printf ("\"%s\" is:\"%s" S_COLOR_WHITE "\" default:\"%s" S_COLOR_WHITE "\"\n",
+				v->name, string, resetString );
 		if ( v->latchedString ) {
-			Com_Printf( "latched: \"%s\"\n", v->latchedString );
+			Com_TruncateLongString( latchedString, v->latchedString );
+			Com_Printf( "latched: \"%s\"\n", latchedString );
 		}
 		return qtrue;
 	}
@@ -645,11 +652,21 @@ void Cvar_WriteVariables( fileHandle_t f ) {
 		if( var->flags & CVAR_ARCHIVE ) {
 			// write the latched value, even if it hasn't taken effect yet
 			if ( var->latchedString ) {
+				if( strlen( var->name ) + strlen( var->latchedString ) + 10 > sizeof( buffer ) ) {
+					Com_Printf( S_COLOR_YELLOW "WARNING: value of variable "
+							"\"%s\" too long to write to file\n", var->name );
+					continue;
+				}
 				Com_sprintf (buffer, sizeof(buffer), "seta %s \"%s\"\n", var->name, var->latchedString);
 			} else {
+				if( strlen( var->name ) + strlen( var->string ) + 10 > sizeof( buffer ) ) {
+					Com_Printf( S_COLOR_YELLOW "WARNING: value of variable "
+							"\"%s\" too long to write to file\n", var->name );
+					continue;
+				}
 				Com_sprintf (buffer, sizeof(buffer), "seta %s \"%s\"\n", var->name, var->string);
 			}
-			FS_Printf (f, "%s", buffer);
+			FS_Write( buffer, strlen( buffer ), f );
 		}
 	}
 }
diff --git a/code/qcommon/q_shared.c b/code/qcommon/q_shared.c
index 2100390..de54e17 100644
--- a/code/qcommon/q_shared.c
+++ b/code/qcommon/q_shared.c
@@ -918,6 +918,26 @@ char	* QDECL va( char *format, ... ) {
 	return buf;
 }
 
+/*
+============
+Com_TruncateLongString
+
+Assumes buffer is atleast TRUNCATE_LENGTH big
+============
+*/
+void Com_TruncateLongString( char *buffer, const char *s )
+{
+	int length = strlen( s );
+
+	if( length <= TRUNCATE_LENGTH )
+		Q_strncpyz( buffer, s, TRUNCATE_LENGTH );
+	else
+	{
+		Q_strncpyz( buffer, s, ( TRUNCATE_LENGTH / 2 ) - 3 );
+		Q_strcat( buffer, TRUNCATE_LENGTH, " ... " );
+		Q_strcat( buffer, TRUNCATE_LENGTH, s + length - ( TRUNCATE_LENGTH / 2 ) + 3 );
+	}
+}
 
 /*
 =====================================================================
diff --git a/code/qcommon/q_shared.h b/code/qcommon/q_shared.h
index 2dc5500..6e55a4d 100644
--- a/code/qcommon/q_shared.h
+++ b/code/qcommon/q_shared.h
@@ -682,6 +682,9 @@ void	Swap_Init (void);
 */
 char	* QDECL va(char *format, ...);
 
+#define TRUNCATE_LENGTH	64
+void Com_TruncateLongString( char *buffer, const char *s );
+
 //=============================================
 
 //