File Coverage

/usr/include/x86_64-linux-gnu/bits/stdlib.h
Criterion Covered Total %
statement 0 17 0.0
branch n/a
condition n/a
subroutine n/a
total 0 17 0.0


line stmt bran cond sub time code
1           /* Checking macros for stdlib functions.
2           Copyright (C) 2005, 2007 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, write to the Free
17           Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18           02111-1307 USA. */
19            
20           #ifndef _STDLIB_H
21           # error "Never include directly; use instead."
22           #endif
23            
24           extern char *__realpath_chk (__const char *__restrict __name,
25           char *__restrict __resolved,
26           size_t __resolvedlen) __THROW __wur;
27           extern char *__REDIRECT_NTH (__realpath_alias,
28           (__const char *__restrict __name,
29           char *__restrict __resolved), realpath) __wur;
30           extern char *__REDIRECT_NTH (__realpath_chk_warn,
31           (__const char *__restrict __name,
32           char *__restrict __resolved,
33           size_t __resolvedlen), __realpath_chk) __wur
34           __warnattr ("second argument of realpath must be either NULL or at "
35           "least PATH_MAX bytes long buffer");
36            
37           __extern_always_inline __wur char *
38           __NTH (realpath (__const char *__restrict __name, char *__restrict __resolved))
39           {
40           if (__bos (__resolved) != (size_t) -1)
41           {
42           #if defined _LIBC_LIMITS_H_ && defined PATH_MAX
43           if (__bos (__resolved) < PATH_MAX)
44           return __realpath_chk_warn (__name, __resolved, __bos (__resolved));
45           #endif
46           return __realpath_chk (__name, __resolved, __bos (__resolved));
47           }
48            
49           return __realpath_alias (__name, __resolved);
50           }
51            
52            
53           extern int __ptsname_r_chk (int __fd, char *__buf, size_t __buflen,
54           size_t __nreal) __THROW __nonnull ((2));
55           extern int __REDIRECT_NTH (__ptsname_r_alias, (int __fd, char *__buf,
56           size_t __buflen), ptsname_r)
57           __nonnull ((2));
58           extern int __REDIRECT_NTH (__ptsname_r_chk_warn,
59           (int __fd, char *__buf, size_t __buflen,
60           size_t __nreal), __ptsname_r_chk)
61           __nonnull ((2)) __warnattr ("ptsname_r called with buflen bigger than "
62           "size of buf");
63            
64           __extern_always_inline int
65           __NTH (ptsname_r (int __fd, char *__buf, size_t __buflen))
66           {
67           if (__bos (__buf) != (size_t) -1)
68           {
69           if (!__builtin_constant_p (__buflen))
70           return __ptsname_r_chk (__fd, __buf, __buflen, __bos (__buf));
71           if (__buflen > __bos (__buf))
72           return __ptsname_r_chk_warn (__fd, __buf, __buflen, __bos (__buf));
73           }
74           return __ptsname_r_alias (__fd, __buf, __buflen);
75           }
76            
77            
78           extern int __wctomb_chk (char *__s, wchar_t __wchar, size_t __buflen)
79           __THROW __wur;
80           extern int __REDIRECT_NTH (__wctomb_alias, (char *__s, wchar_t __wchar),
81           wctomb) __wur;
82            
83           __extern_always_inline __wur int
84           __NTH (wctomb (char *__s, wchar_t __wchar))
85           {
86           /* We would have to include to get a definition of MB_LEN_MAX.
87           But this would only disturb the namespace. So we define our own
88           version here. */
89           #define __STDLIB_MB_LEN_MAX 16
90           #if defined MB_LEN_MAX && MB_LEN_MAX != __STDLIB_MB_LEN_MAX
91           # error "Assumed value of MB_LEN_MAX wrong"
92           #endif
93 0         if (__bos (__s) != (size_t) -1 && __STDLIB_MB_LEN_MAX > __bos (__s))
94 0         return __wctomb_chk (__s, __wchar, __bos (__s));
95 0         return __wctomb_alias (__s, __wchar);
96           }
97            
98            
99           extern size_t __mbstowcs_chk (wchar_t *__restrict __dst,
100           __const char *__restrict __src,
101           size_t __len, size_t __dstlen) __THROW;
102           extern size_t __REDIRECT_NTH (__mbstowcs_alias,
103           (wchar_t *__restrict __dst,
104           __const char *__restrict __src,
105           size_t __len), mbstowcs);
106           extern size_t __REDIRECT_NTH (__mbstowcs_chk_warn,
107           (wchar_t *__restrict __dst,
108           __const char *__restrict __src,
109           size_t __len, size_t __dstlen), __mbstowcs_chk)
110           __warnattr ("mbstowcs called with dst buffer smaller than len "
111           "* sizeof (wchar_t)");
112            
113           __extern_always_inline size_t
114           __NTH (mbstowcs (wchar_t *__restrict __dst, __const char *__restrict __src,
115           size_t __len))
116           {
117 0         if (__bos (__dst) != (size_t) -1)
118           {
119 0         if (!__builtin_constant_p (__len))
120 0         return __mbstowcs_chk (__dst, __src, __len,
121 0         __bos (__dst) / sizeof (wchar_t));
122            
123 0         if (__len > __bos (__dst) / sizeof (wchar_t))
124 0         return __mbstowcs_chk_warn (__dst, __src, __len,
125 0         __bos (__dst) / sizeof (wchar_t));
126           }
127 0         return __mbstowcs_alias (__dst, __src, __len);
128           }
129            
130            
131           extern size_t __wcstombs_chk (char *__restrict __dst,
132           __const wchar_t *__restrict __src,
133           size_t __len, size_t __dstlen) __THROW;
134           extern size_t __REDIRECT_NTH (__wcstombs_alias,
135           (char *__restrict __dst,
136           __const wchar_t *__restrict __src,
137           size_t __len), wcstombs);
138           extern size_t __REDIRECT_NTH (__wcstombs_chk_warn,
139           (char *__restrict __dst,
140           __const wchar_t *__restrict __src,
141           size_t __len, size_t __dstlen), __wcstombs_chk)
142           __warnattr ("wcstombs called with dst buffer smaller than len");
143            
144           __extern_always_inline size_t
145           __NTH (wcstombs (char *__restrict __dst, __const wchar_t *__restrict __src,
146           size_t __len))
147           {
148 0         if (__bos (__dst) != (size_t) -1)
149           {
150 0         if (!__builtin_constant_p (__len))
151 0         return __wcstombs_chk (__dst, __src, __len, __bos (__dst));
152 0         if (__len > __bos (__dst))
153 0         return __wcstombs_chk_warn (__dst, __src, __len, __bos (__dst));
154           }
155 0         return __wcstombs_alias (__dst, __src, __len);
156           }