Gerald Pfeifer : wmc: Avoid uninitialized variable in init_argv0_dir.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4bbdbc759a8c1b8eab8aea8c8f581eafe5ed4d78
URL:    https://gitlab.winehq.org/wine/wine/-/commit/4bbdbc759a8c1b8eab8aea8c8f581ea...

Author: Gerald Pfeifer 
Date:   Tue Dec 20 00:02:19 2022 +0100

wmc: Avoid uninitialized variable in init_argv0_dir.

init_argv0_dir has conditional code for different operating systems. In
case of FreeBSD a variable remains uninitialized in the error case, yet
is then used. Fix that by handling the error case.

---

tools/wmc/wmc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/wmc/wmc.c b/tools/wmc/wmc.c
index f5ff7abcdf9..145acb5d718 100644
--- a/tools/wmc/wmc.c
+++ b/tools/wmc/wmc.c
@@ -160,6 +160,8 @@ static void init_argv0_dir( const char *argv0 )
     char *path = xmalloc( path_size );
     if (!sysctl( pathname, ARRAY_SIZE(pathname), path, &path_size, NULL, 0 ))
         dir = realpath( path, NULL );
+    else
+        dir = NULL;
     free( path );
 #else
     dir = realpath( argv0, NULL );