Matteo Bruni : wpp: Assure if_stack is clean before returning.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b40bb31995b70a9bf88f194deac34084c16a4c86
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=b40bb31995b70a9bf88f194deac34084c16a4c86

Author: Matteo Bruni <matteo.mystral at gmail.com>
Date:   Thu Feb  4 18:56:52 2010 +0100

wpp: Assure if_stack is clean before returning.

---

 libs/wpp/wpp.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/libs/wpp/wpp.c b/libs/wpp/wpp.c
index 47989f1..de4286f 100644
--- a/libs/wpp/wpp.c
+++ b/libs/wpp/wpp.c
@@ -193,9 +193,11 @@ int wpp_parse( const char *input, FILE *output )
 
     ret = ppy_parse();
     /* If there were errors during processing, return an error code */
-    if(!ret && pp_status.state) ret = pp_status.state;
+    if (!ret && pp_status.state) ret = pp_status.state;
 
     if (input) wpp_callbacks->close(pp_status.file);
+    /* Clean if_stack, it could remain dirty on errors */
+    while (pp_get_if_depth()) pp_pop_if();
     pp_pop_define_state();
     return ret;
 }