[glibc] hurd: More 64-bit integer casting fixes

[glibc] hurd: More 64-bit integer casting fixes

[Samuel Thibault]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0001a23f7a3701ef0ef7b25901c5e9990beea8f4

commit 0001a23f7a3701ef0ef7b25901c5e9990beea8f4
Author: Sergey Bugaev <bugaevc@gmail.com>
Date:   Sun Mar 19 18:09:55 2023 +0300

    hurd: More 64-bit integer casting fixes
    
    Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
    Message-Id: <20230319151017.531737-13-bugaevc@gmail.com>

Diff:
---
 sysdeps/mach/hurd/ioctl.c          | 4 ++--
 sysdeps/mach/hurd/x86/init-first.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/sysdeps/mach/hurd/ioctl.c b/sysdeps/mach/hurd/ioctl.c
index 0f5de5d3fb..ab913a5943 100644
--- a/sysdeps/mach/hurd/ioctl.c
+++ b/sysdeps/mach/hurd/ioctl.c
@@ -149,10 +149,10 @@ __ioctl (int fd, unsigned long int request, ...)
 	     Rather than pointing to the value, ARG is the value itself.  */
 #ifdef MACH_MSG_TYPE_BIT
 	  *t++ = io2mach_type (1, _IOTS (integer_t));
-	  *(integer_t *) t = (integer_t) arg;
+	  *(integer_t *) t = (integer_t) (intptr_t) arg;
 	  t = (void *) t + sizeof (integer_t);
 #else
-	  *(integer_t *) p = (integer_t) arg;
+	  *(integer_t *) p = (integer_t) (intptr_t) arg;
 	  p = (void *) p + sizeof (integer_t);
 #endif
 	}
diff --git a/sysdeps/mach/hurd/x86/init-first.c b/sysdeps/mach/hurd/x86/init-first.c
index 6ca27155a4..48c330ec06 100644
--- a/sysdeps/mach/hurd/x86/init-first.c
+++ b/sysdeps/mach/hurd/x86/init-first.c
@@ -1,4 +1,4 @@
-/* Initialization code run first thing by the ELF startup code.  For i386/Hurd.
+/* Initialization code run first thing by the ELF startup code.  For x86/Hurd.
    Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -92,7 +92,7 @@ posixland_init (int argc, char **argv, char **envp)
 static void
 init (void **data)
 {
-  int argc = (int) *data;
+  int argc = (int) (uintptr_t) *data;
   char **argv = (void *) (data + 1);
   char **envp = &argv[argc + 1];
   struct hurd_startup_data *d;