Update copyright dates with scripts/update-copyrights.

[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / recvmsg.c

diff --git a/sysdeps/unix/sysv/linux/recvmsg.c b/sysdeps/unix/sysv/linux/recvmsg.c
index 25a319358b9547976704cde91f44b93d6cfea696..3cd30b00e4797af80e65335804835c315aa8bfd9 100644 (file)
--- a/sysdeps/unix/sysv/linux/recvmsg.c
+++ b/sysdeps/unix/sysv/linux/recvmsg.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 2015-2016 Free Software Foundation, Inc.
+/* Linux recvmsg syscall wrapper.
+   Copyright (C) 2016-2019 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -23,35 +24,11 @@
 ssize_t
 __libc_recvmsg (int fd, struct msghdr *msg, int flags)
 {
-  ssize_t ret;
-
-  /* POSIX specifies that both msghdr::msg_iovlen and msghdr::msg_controllen
-     to be int and socklen_t respectively.  However Linux defines it as
-     both size_t.  So for 64-bit it requires some adjustments by copying to
-     temporary header and zeroing the pad fields.  */
-#if __WORDSIZE == 64
-  struct msghdr hdr, *orig = msg;
-  if (msg != NULL)
-    {
-      hdr = *msg;
-      hdr.__glibc_reserved1 = 0;
-      hdr.__glibc_reserved2 = 0;
-      msg = &hdr;
-    }
-#endif
-
-#ifdef __ASSUME_RECVMSG_SYSCALL
-  ret = SYSCALL_CANCEL (recvmsg, fd, msg, flags);
-#else
-  ret = SOCKETCALL_CANCEL (recvmsg, fd, msg, flags);
-#endif
-
-#if __WORDSIZE == 64
-  if (orig != NULL)
-    *orig = hdr;
-#endif
-
-  return ret;
+# ifdef __ASSUME_RECVMSG_SYSCALL
+  return SYSCALL_CANCEL (recvmsg, fd, msg, flags);
+# else
+  return SOCKETCALL_CANCEL (recvmsg, fd, msg, flags);
+# endif
 }
+weak_alias (__libc_recvmsg, recvmsg)
 weak_alias (__libc_recvmsg, __recvmsg)
-versioned_symbol (libc, __libc_recvmsg, recvmsg, GLIBC_2_24);