From caa6272fe8e96aa713f4e4d243f78d8b271991bb Mon Sep 17 00:00:00 2001
From: Marius Kintel <marius@kintel.net>
Date: Sat, 4 Feb 2012 02:40:46 +0100
Subject: Don't try to handle non-existing use'd libraries


diff --git a/src/lexer.l b/src/lexer.l
index 11f2aff..5e24e7f 100644
--- a/src/lexer.l
+++ b/src/lexer.l
@@ -120,9 +120,12 @@ use[ \t\r\n>]*"<"	{ BEGIN(cond_use); }
             usepath = boosty::absolute(fs::path(get_librarydir()) / filename);
           }
         }
-	handle_dep(usepath.string());
-	parserlval.text = strdup(usepath.string().c_str());
-	return TOK_USE;
+        /* Only accept regular files which exists */
+        if (usepath.has_parent_path() && fs::exists(usepath)) {
+          handle_dep(usepath.string());
+          parserlval.text = strdup(usepath.string().c_str());
+          return TOK_USE;
+        }
  }
 }
 
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