James Hawkins : setupapi: Fix SetupCloseInfFile when a NULL handle is given , with tests.

[Alexandre Julliard]

Module: wine
Branch: refs/heads/master
Commit: bce44161f1f836fbe53a6c2be6ca16478810f0d5
URL:    http://source.winehq.org/git/?p=wine.git;a=commit;h=bce44161f1f836fbe53a6c2be6ca16478810f0d5

Author: James Hawkins <truiken at gmail.com>
Date:   Mon Jun 26 14:46:04 2006 -0700

setupapi: Fix SetupCloseInfFile when a NULL handle is given, with tests.

---

 dlls/setupapi/parser.c       |    2 ++
 dlls/setupapi/tests/parser.c |    8 ++++++++
 2 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/dlls/setupapi/parser.c b/dlls/setupapi/parser.c
index df30c6a..6b2c5d9 100644
--- a/dlls/setupapi/parser.c
+++ b/dlls/setupapi/parser.c
@@ -1220,6 +1220,8 @@ void WINAPI SetupCloseInfFile( HINF hinf
     struct inf_file *file = hinf;
     unsigned int i;
 
+    if (!file) return;
+
     for (i = 0; i < file->nb_sections; i++) HeapFree( GetProcessHeap(), 0, file->sections[i] );
     HeapFree( GetProcessHeap(), 0, file->filename );
     HeapFree( GetProcessHeap(), 0, file->sections );
diff --git a/dlls/setupapi/tests/parser.c b/dlls/setupapi/tests/parser.c
index acdef8a..da49904 100644
--- a/dlls/setupapi/tests/parser.c
+++ b/dlls/setupapi/tests/parser.c
@@ -387,10 +387,18 @@ static void test_key_names(void)
 
 }
 
+static void test_close_inf_file(void)
+{
+    SetLastError(0xdeadbeef);
+    SetupCloseInfFile(NULL);
+    ok(GetLastError() == 0xdeadbeef, "Expected 0xdeadbeef, got %ld\n", GetLastError());
+}
+
 START_TEST(parser)
 {
     test_invalid_files();
     test_section_names();
     test_key_names();
+    test_close_inf_file();
     DeleteFileA( tmpfile );
 }