cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / x86_64-linux-gnu / bits / socket2.h

diff --git a/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/socket2.h b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/socket2.h
new file mode 100644 (file)
index 0000000..a129e69
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/socket2.h
@@ -0,0 +1,77 @@
+/* Checking macros for socket functions.
+   Copyright (C) 2005-2018 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#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 ssize_t __REDIRECT (__recv_chk_warn,
+                          (int __fd, void *__buf, size_t __n, size_t __buflen,
+                           int __flags), __recv_chk)
+     __warnattr ("recv called with bigger length than size of destination "
+                "buffer");
+
+__fortify_function ssize_t
+recv (int __fd, void *__buf, size_t __n, int __flags)
+{
+  if (__bos0 (__buf) != (size_t) -1)
+    {
+      if (!__builtin_constant_p (__n))
+       return __recv_chk (__fd, __buf, __n, __bos0 (__buf), __flags);
+
+      if (__n > __bos0 (__buf))
+       return __recv_chk_warn (__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 ssize_t __REDIRECT (__recvfrom_chk_warn,
+                          (int __fd, void *__restrict __buf, size_t __n,
+                           size_t __buflen, int __flags,
+                           __SOCKADDR_ARG __addr,
+                           socklen_t *__restrict __addr_len), __recvfrom_chk)
+     __warnattr ("recvfrom called with bigger length than size of "
+                "destination buffer");
+
+__fortify_function 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)
+    {
+      if (!__builtin_constant_p (__n))
+       return __recvfrom_chk (__fd, __buf, __n, __bos0 (__buf), __flags,
+                              __addr, __addr_len);
+      if (__n > __bos0 (__buf))
+       return __recvfrom_chk_warn (__fd, __buf, __n, __bos0 (__buf), __flags,
+                                   __addr, __addr_len);
+    }
+  return __recvfrom_alias (__fd, __buf, __n, __flags, __addr, __addr_len);
+}