widl: Set name return value (passed by reference) in the alias case alias case in get_user_type.

Gerald Pfeifer gerald at pfeifer.com
Sat Nov 4 14:21:56 CDT 2017

So, I admit I don't really know this code, but looking at it (triggered 
by a warning issued by GCC development versions), I noticed that this 
variable passed by reference is not initialized here.

(For reference, "typegen.c:3715:16: warning: 'uname' may be used 
uninitialized in this function" is the warning in question.)

If this is not the right fix, perhaps something else can be changed?


Signed-off-by: Gerald Pfeifer <gerald at pfeifer.com>
 tools/widl/typegen.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/widl/typegen.c b/tools/widl/typegen.c
index e63600c71b..32b5eba9b8 100644
--- a/tools/widl/typegen.c
+++ b/tools/widl/typegen.c
@@ -314,7 +314,11 @@ static type_t *get_user_type(const type_t *t, const char **pname)
         if (type_is_alias(t))
+        {
             t = type_alias_get_aliasee(t);
+            if (pname)
+                *pname = t->name;
+        }
             return NULL;

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