Martin Storsjo : loader: Fix the generic case in get_self_exe().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a75596c94db26e9e86d6fb222ce4de5e939c2195
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=a75596c94db26e9e86d6fb222ce4de5e939c2195

Author: Martin Storsjo <martin at martin.st>
Date:   Wed Aug 19 23:57:06 2020 +0300

loader: Fix the generic case in get_self_exe().

Previously this just returned the matched directory, not the path
to the executable itself.

Signed-off-by: Martin Storsjo <martin at martin.st>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 loader/main.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/loader/main.c b/loader/main.c
index 0e6b6f66b5..3c06728504 100644
--- a/loader/main.c
+++ b/loader/main.c
@@ -216,13 +216,15 @@ static const char *get_self_exe( char *argv0 )
         for (p = strtok( path, ":" ); p; p = strtok( NULL, ":" ))
         {
             char *name = build_path( p, argv0 );
-            int found = !access( name, X_OK );
+            if (!access( name, X_OK ))
+            {
+                free( path );
+                return name;
+            }
             free( name );
-            if (found) break;
         }
-        if (p) p = strdup( p );
         free( path );
-        return p;
+        return NULL;
     }
     return argv0;
 #endif