From 39d4d12c08e033d997c25d28078c65f3ab8f6a11 Mon Sep 17 00:00:00 2001
From: Marcus Meissner <marcus@jet.franken.de>
Date: Sat, 8 Aug 2009 11:00:36 +0200
Subject: [PATCH] wrc: Handle "no files == stdin".

---
 tools/wrc/wrc.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tools/wrc/wrc.c b/tools/wrc/wrc.c
index 6a856eb7f91..5879d92c1f7 100644
--- a/tools/wrc/wrc.c
+++ b/tools/wrc/wrc.c
@@ -514,6 +514,13 @@ int main(int argc,char *argv[])
             }
             if (load_file( input_name, output_name )) exit(1);
         }
+	/* stdin special case. NULL means "stdin" for wpp. */
+        if (nb_files == 0)
+        {
+            if(!output_name && !preprocess_only)
+		output_name = strdup("wrc.tab.res");
+            if (load_file( NULL, output_name )) exit(1);
+        }
 
 	if(debuglevel & DEBUGLEVEL_DUMP)
 		dump_resources(resource_top);