File Coverage

/usr/include/x86_64-linux-gnu/bits/socket2.h
Criterion Covered Total %
statement 2 6 33.3
branch 1 6 16.6
condition n/a
subroutine n/a
pod n/a
total 3 12 25.0


line stmt bran cond sub pod time code
1             /* Checking macros for socket functions.
2             Copyright (C) 2005-2016 Free Software Foundation, Inc.
3             This file is part of the GNU C Library.
4              
5             The GNU C Library is free software; you can redistribute it and/or
6             modify it under the terms of the GNU Lesser General Public
7             License as published by the Free Software Foundation; either
8             version 2.1 of the License, or (at your option) any later version.
9              
10             The GNU C Library is distributed in the hope that it will be useful,
11             but WITHOUT ANY WARRANTY; without even the implied warranty of
12             MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13             Lesser General Public License for more details.
14              
15             You should have received a copy of the GNU Lesser General Public
16             License along with the GNU C Library; if not, see
17             . */
18              
19             #ifndef _SYS_SOCKET_H
20             # error "Never include directly; use instead."
21             #endif
22              
23             extern ssize_t __recv_chk (int __fd, void *__buf, size_t __n, size_t __buflen,
24             int __flags);
25             extern ssize_t __REDIRECT (__recv_alias, (int __fd, void *__buf, size_t __n,
26             int __flags), recv);
27             extern ssize_t __REDIRECT (__recv_chk_warn,
28             (int __fd, void *__buf, size_t __n, size_t __buflen,
29             int __flags), __recv_chk)
30             __warnattr ("recv called with bigger length than size of destination "
31             "buffer");
32              
33             __fortify_function ssize_t
34             recv (int __fd, void *__buf, size_t __n, int __flags)
35             {
36             if (__bos0 (__buf) != (size_t) -1)
37             {
38             if (!__builtin_constant_p (__n))
39             return __recv_chk (__fd, __buf, __n, __bos0 (__buf), __flags);
40              
41             if (__n > __bos0 (__buf))
42             return __recv_chk_warn (__fd, __buf, __n, __bos0 (__buf), __flags);
43             }
44             return __recv_alias (__fd, __buf, __n, __flags);
45             }
46              
47             extern ssize_t __recvfrom_chk (int __fd, void *__restrict __buf, size_t __n,
48             size_t __buflen, int __flags,
49             __SOCKADDR_ARG __addr,
50             socklen_t *__restrict __addr_len);
51             extern ssize_t __REDIRECT (__recvfrom_alias,
52             (int __fd, void *__restrict __buf, size_t __n,
53             int __flags, __SOCKADDR_ARG __addr,
54             socklen_t *__restrict __addr_len), recvfrom);
55             extern ssize_t __REDIRECT (__recvfrom_chk_warn,
56             (int __fd, void *__restrict __buf, size_t __n,
57             size_t __buflen, int __flags,
58             __SOCKADDR_ARG __addr,
59             socklen_t *__restrict __addr_len), __recvfrom_chk)
60             __warnattr ("recvfrom called with bigger length than size of "
61             "destination buffer");
62              
63             __fortify_function ssize_t
64             recvfrom (int __fd, void *__restrict __buf, size_t __n, int __flags,
65             __SOCKADDR_ARG __addr, socklen_t *__restrict __addr_len)
66             {
67 1 50         if (__bos0 (__buf) != (size_t) -1)
68             {
69 0 0         if (!__builtin_constant_p (__n))
70 0           return __recvfrom_chk (__fd, __buf, __n, __bos0 (__buf), __flags,
71             __addr, __addr_len);
72 0 0         if (__n > __bos0 (__buf))
73 0           return __recvfrom_chk_warn (__fd, __buf, __n, __bos0 (__buf), __flags,
74             __addr, __addr_len);
75             }
76 1           return __recvfrom_alias (__fd, __buf, __n, __flags, __addr, __addr_len);
77             }