[gcr: 1/4] Replaced pointer aliasing in gck-misc with memcpy/memcmp

[Daiki Ueno <dueno src gnome org>]

commit 152c9c361550693ae8b5fc8bfadfcd0abbbeb6be
Author: Gregor Riepl <onitake gmail com>
Date:   Tue Nov 26 22:41:40 2019 +0100

    Replaced pointer aliasing in gck-misc with memcpy/memcmp

 gck/gck-misc.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)
---
diff --git a/gck/gck-misc.c b/gck/gck-misc.c
index 0e3586b..8dc50f6 100644
--- a/gck/gck-misc.c
+++ b/gck/gck-misc.c
@@ -31,6 +31,8 @@
 
 #include <glib/gi18n-lib.h>
 
+#include <string.h>
+
 EGG_SECURE_DEFINE_GLIB_GLOBALS ();
 
 /**
@@ -430,7 +432,7 @@ _gck_ulong_hash (gconstpointer v)
 gboolean
 _gck_ulong_equal (gconstpointer v1, gconstpointer v2)
 {
-       return *((const gulong*)v1) == *((const gulong*)v2);
+       return memcmp(v1, v2, sizeof (gulong)) == 0;
 }
 
 /**
@@ -451,7 +453,7 @@ gck_value_to_ulong (const guchar *value,
        if (!value || length != sizeof (CK_ULONG))
                return FALSE;
        if (result)
-               *result = *((CK_ULONG*)value);
+               memcpy(result, value, sizeof(CK_ULONG));
        return TRUE;
 }
 
@@ -470,10 +472,13 @@ gck_value_to_boolean (const guchar *value,
                       gsize length,
                       gboolean *result)
 {
+       CK_BBOOL tempval = CK_FALSE;
        if (!value || length != sizeof (CK_BBOOL))
                return FALSE;
-       if (result)
-               *result = *((CK_BBOOL*)value) ? TRUE : FALSE;
+       if (result) {
+               memcpy(&tempval, value, sizeof(CK_BBOOL));
+               *result = tempval ? TRUE : FALSE;
+       }
        return TRUE;
 }