2.5-18.1

1 files changed, 56 insertions, 0 deletions

diff --git a/socket/bits/socket2.h b/socket/bits/socket2.h
new file mode 100644
index 0000000000..2543ea37d4
--- /dev/null
+++ b/socket/bits/socket2.h
@@ -0,0 +1,56 @@
+/* Checking macros for socket functions.
+   Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _SYS_SOCKET_H
+# error "Never include <bits/socket2.h> directly; use <sys/socket.h> instead."
+#endif
+
+extern ssize_t __recv_chk (int __fd, void *__buf, size_t __n, size_t __buflen,
+			   int __flags);
+extern ssize_t __REDIRECT (__recv_alias, (int __fd, void *__buf, size_t __n,
+					  int __flags), recv);
+
+extern __always_inline ssize_t
+recv (int __fd, void *__buf, size_t __n, int __flags)
+{
+  if (__bos0 (__buf) != (size_t) -1
+      && (!__builtin_constant_p (__n) || __n > __bos0 (__buf)))
+    return __recv_chk (__fd, __buf, __n, __bos0 (__buf), __flags);
+  return __recv_alias (__fd, __buf, __n, __flags);
+}
+
+extern ssize_t __recvfrom_chk (int __fd, void *__restrict __buf, size_t __n,
+			       size_t __buflen, int __flags,
+			       __SOCKADDR_ARG __addr,
+			       socklen_t *__restrict __addr_len);
+extern ssize_t __REDIRECT (__recvfrom_alias,
+			   (int __fd, void *__restrict __buf, size_t __n,
+			    int __flags, __SOCKADDR_ARG __addr,
+			    socklen_t *__restrict __addr_len), recvfrom);
+
+extern __always_inline ssize_t
+recvfrom (int __fd, void *__restrict __buf, size_t __n, int __flags,
+	  __SOCKADDR_ARG __addr, socklen_t *__restrict __addr_len)
+{
+  if (__bos0 (__buf) != (size_t) -1
+      && (!__builtin_constant_p (__n) || __n > __bos0 (__buf)))
+    return __recvfrom_chk (__fd, __buf, __n, __bos0 (__buf), __flags,
+			   __addr, __addr_len);
+  return __recvfrom_alias (__fd, __buf, __n, __flags, __addr, __addr_len);
+}