From 00ffa5c9308826914727d211137dc961c9cff2d4 Mon Sep 17 00:00:00 2001
From: Chen Huitao <h980501427@163.com>
Date: Tue, 14 Jan 2020 09:05:34 -0500
Subject: [PATCH] Remove warnings (#1140)

* remove warnings on windows with vs2019.

* remove warnings.

Backports commit ca6516ff790f2c6b2bc59a6b7472cb25be0f82b8 from unicorn.
---
 qemu/glib_compat.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/qemu/glib_compat.c b/qemu/glib_compat.c
index b32376c4..2f465182 100644
--- a/qemu/glib_compat.c
+++ b/qemu/glib_compat.c
@@ -1265,7 +1265,7 @@ static inline guint g_hash_table_lookup_node_for_insertion (GHashTable    *hash_
   GHashNode *node;
   guint node_index;
   guint hash_value;
-  guint first_tombstone;
+  guint first_tombstone = 0;
   gboolean have_tombstone = FALSE;
   guint step = 0;
 
@@ -2126,7 +2126,10 @@ char *g_strdup_vprintf(const char *format, va_list ap)
        return NULL;
    vsnprintf(str_res, len+1, format, ap);
 #else
-   vasprintf(&str_res, format, ap);
+    int ret = vasprintf(&str_res, format, ap);
+    if (ret == -1) {
+        return NULL;
+    }
 #endif
    return str_res;
 }