[PATCH 7/9] widl: Guard against re-import of the main input file.

[Rémi Bernon]

From: Rémi Bernon

---
 tools/widl/parser.l | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/widl/parser.l b/tools/widl/parser.l
index 951998de381..ac8bb21e8fe 100644
--- a/tools/widl/parser.l
+++ b/tools/widl/parser.l
@@ -506,6 +506,15 @@ void push_import( const char *import_name, struct location *where )
     struct import *import;
     FILE *file;

+    if (list_empty( &imports ))
+    {
+        /* add the main file to the imported file list */
+        char *tmp = strrchr( input_name, '/' );
+        import = xmalloc( sizeof(struct import) );
+        import->name = xstrdup( tmp ? tmp + 1 : input_name );
+        list_add_tail( &imports, &import->entry );
+    }
+
     state = xmalloc( sizeof(struct import_state ));
     list_add_head( &import_stack, &state->entry );
     parse_only = !list_empty( &import_stack );