From 5f0d7bbbe8f670bdfdd83ff0ff6ac2dc515aed14 Mon Sep 17 00:00:00 2001
From: Tim Schumacher <timschumi@gmx.de>
Date: Wed, 15 Jun 2022 12:39:09 +0200
Subject: [PATCH] megvii: Return a char pointer for some stubs instead

`mg_facepp[3]` and `mg_facepp[4]` seem to return version strings, which
occasionally get logged if the return value is non-zero.

Return a dummy string for those functions to avoid crashing in strlen.

Change-Id: Icc5d2ab2f72c480f03e652e3849aceaf4cfb498b
---
 megvii/megvii.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/megvii/megvii.c b/megvii/megvii.c
index eaf0584..f0fe1b0 100644
--- a/megvii/megvii.c
+++ b/megvii/megvii.c
@@ -8,12 +8,16 @@ static int stub_fail() {
     return -1;
 }
 
+static char *stub_fail_str() {
+    return "stub";
+}
+
 void *mg_facepp[] = {
     &stub_fail,
     &stub_fail,
     &stub_fail,
-    &stub_fail,
-    &stub_fail,
+    &stub_fail_str,
+    &stub_fail_str,
     &stub_fail,
     &stub_fail,
     &stub_fail,