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

diff --git a/sysdeps/unix/sysv/linux/sendmsg.c b/sysdeps/unix/sysv/linux/sendmsg.c
index a5ef238c4a2e2c18638b26b50b1381b66badb35e..42c4250749393d33eb2b202368e9cea607a4da6e 100644 (file)
--- a/sysdeps/unix/sysv/linux/sendmsg.c
+++ b/sysdeps/unix/sysv/linux/sendmsg.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 2015-2016 Free Software Foundation, Inc.
+/* Compatibility implementation of sendmsg.
+   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
@@ -13,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sys/socket.h>
 #include <sysdep-cancel.h>
@@ -23,26 +24,11 @@
 ssize_t
 __libc_sendmsg (int fd, const struct msghdr *msg, int flags)
 {
-  /* 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;
-  if (msg != NULL)
-    {
-      hdr = *msg;
-      hdr.__glibc_reserved1 = 0;
-      hdr.__glibc_reserved2 = 0;
-      msg = &hdr;
-    }
-#endif
-
-#ifdef __ASSUME_SENDMSG_SYSCALL
+# ifdef __ASSUME_SENDMSG_SYSCALL
   return SYSCALL_CANCEL (sendmsg, fd, msg, flags);
-#else
+# else
   return SOCKETCALL_CANCEL (sendmsg, fd, msg, flags);
-#endif
+# endif
 }
+weak_alias (__libc_sendmsg, sendmsg)
 weak_alias (__libc_sendmsg, __sendmsg)
-versioned_symbol (libc, __libc_sendmsg, sendmsg, GLIBC_2_24);