LCOV - code coverage report
Current view: top level - usr/include/x86_64-linux-gnu/bits - stdlib.h (source / functions) Hit Total Coverage
Test: ROSE Lines: 3 3 100.0 %
Date: 2022-12-08 13:48:47 Functions: 0 0 -
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* Checking macros for stdlib functions.
       2             :    Copyright (C) 2005-2020 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             :    <https://www.gnu.org/licenses/>.  */
      18             : 
      19             : #ifndef _STDLIB_H
      20             : # error "Never include <bits/stdlib.h> directly; use <stdlib.h> instead."
      21             : #endif
      22             : 
      23             : extern char *__realpath_chk (const char *__restrict __name,
      24             :                              char *__restrict __resolved,
      25             :                              size_t __resolvedlen) __THROW __wur;
      26             : extern char *__REDIRECT_NTH (__realpath_alias,
      27             :                              (const char *__restrict __name,
      28             :                               char *__restrict __resolved), realpath) __wur;
      29             : extern char *__REDIRECT_NTH (__realpath_chk_warn,
      30             :                              (const char *__restrict __name,
      31             :                               char *__restrict __resolved,
      32             :                               size_t __resolvedlen), __realpath_chk) __wur
      33             :      __warnattr ("second argument of realpath must be either NULL or at "
      34             :                  "least PATH_MAX bytes long buffer");
      35             : 
      36             : __fortify_function __wur char *
      37        1601 : __NTH (realpath (const char *__restrict __name, char *__restrict __resolved))
      38             : {
      39        1601 :   if (__bos (__resolved) != (size_t) -1)
      40             :     {
      41             : #if defined _LIBC_LIMITS_H_ && defined PATH_MAX
      42             :       if (__bos (__resolved) < PATH_MAX)
      43             :         return __realpath_chk_warn (__name, __resolved, __bos (__resolved));
      44             : #endif
      45        1601 :       return __realpath_chk (__name, __resolved, __bos (__resolved));
      46             :     }
      47             : 
      48             :   return __realpath_alias (__name, __resolved);
      49             : }
      50             : 
      51             : 
      52             : extern int __ptsname_r_chk (int __fd, char *__buf, size_t __buflen,
      53             :                             size_t __nreal) __THROW __nonnull ((2));
      54             : extern int __REDIRECT_NTH (__ptsname_r_alias, (int __fd, char *__buf,
      55             :                                                size_t __buflen), ptsname_r)
      56             :      __nonnull ((2));
      57             : extern int __REDIRECT_NTH (__ptsname_r_chk_warn,
      58             :                            (int __fd, char *__buf, size_t __buflen,
      59             :                             size_t __nreal), __ptsname_r_chk)
      60             :      __nonnull ((2)) __warnattr ("ptsname_r called with buflen bigger than "
      61             :                                  "size of buf");
      62             : 
      63             : __fortify_function int
      64             : __NTH (ptsname_r (int __fd, char *__buf, size_t __buflen))
      65             : {
      66             :   if (__bos (__buf) != (size_t) -1)
      67             :     {
      68             :       if (!__builtin_constant_p (__buflen))
      69             :         return __ptsname_r_chk (__fd, __buf, __buflen, __bos (__buf));
      70             :       if (__buflen > __bos (__buf))
      71             :         return __ptsname_r_chk_warn (__fd, __buf, __buflen, __bos (__buf));
      72             :     }
      73             :   return __ptsname_r_alias (__fd, __buf, __buflen);
      74             : }
      75             : 
      76             : 
      77             : extern int __wctomb_chk (char *__s, wchar_t __wchar, size_t __buflen)
      78             :   __THROW __wur;
      79             : extern int __REDIRECT_NTH (__wctomb_alias, (char *__s, wchar_t __wchar),
      80             :                            wctomb) __wur;
      81             : 
      82             : __fortify_function __wur int
      83             : __NTH (wctomb (char *__s, wchar_t __wchar))
      84             : {
      85             :   /* We would have to include <limits.h> to get a definition of MB_LEN_MAX.
      86             :      But this would only disturb the namespace.  So we define our own
      87             :      version here.  */
      88             : #define __STDLIB_MB_LEN_MAX     16
      89             : #if defined MB_LEN_MAX && MB_LEN_MAX != __STDLIB_MB_LEN_MAX
      90             : # error "Assumed value of MB_LEN_MAX wrong"
      91             : #endif
      92             :   if (__bos (__s) != (size_t) -1 && __STDLIB_MB_LEN_MAX > __bos (__s))
      93             :     return __wctomb_chk (__s, __wchar, __bos (__s));
      94             :   return __wctomb_alias (__s, __wchar);
      95             : }
      96             : 
      97             : 
      98             : extern size_t __mbstowcs_chk (wchar_t *__restrict __dst,
      99             :                               const char *__restrict __src,
     100             :                               size_t __len, size_t __dstlen) __THROW;
     101             : extern size_t __REDIRECT_NTH (__mbstowcs_alias,
     102             :                               (wchar_t *__restrict __dst,
     103             :                                const char *__restrict __src,
     104             :                                size_t __len), mbstowcs);
     105             : extern size_t __REDIRECT_NTH (__mbstowcs_chk_warn,
     106             :                               (wchar_t *__restrict __dst,
     107             :                                const char *__restrict __src,
     108             :                                size_t __len, size_t __dstlen), __mbstowcs_chk)
     109             :      __warnattr ("mbstowcs called with dst buffer smaller than len "
     110             :                  "* sizeof (wchar_t)");
     111             : 
     112             : __fortify_function size_t
     113             : __NTH (mbstowcs (wchar_t *__restrict __dst, const char *__restrict __src,
     114             :                  size_t __len))
     115             : {
     116             :   if (__bos (__dst) != (size_t) -1)
     117             :     {
     118             :       if (!__builtin_constant_p (__len))
     119             :         return __mbstowcs_chk (__dst, __src, __len,
     120             :                                __bos (__dst) / sizeof (wchar_t));
     121             : 
     122             :       if (__len > __bos (__dst) / sizeof (wchar_t))
     123             :         return __mbstowcs_chk_warn (__dst, __src, __len,
     124             :                                      __bos (__dst) / sizeof (wchar_t));
     125             :     }
     126             :   return __mbstowcs_alias (__dst, __src, __len);
     127             : }
     128             : 
     129             : 
     130             : extern size_t __wcstombs_chk (char *__restrict __dst,
     131             :                               const wchar_t *__restrict __src,
     132             :                               size_t __len, size_t __dstlen) __THROW;
     133             : extern size_t __REDIRECT_NTH (__wcstombs_alias,
     134             :                               (char *__restrict __dst,
     135             :                                const wchar_t *__restrict __src,
     136             :                                size_t __len), wcstombs);
     137             : extern size_t __REDIRECT_NTH (__wcstombs_chk_warn,
     138             :                               (char *__restrict __dst,
     139             :                                const wchar_t *__restrict __src,
     140             :                                size_t __len, size_t __dstlen), __wcstombs_chk)
     141             :      __warnattr ("wcstombs called with dst buffer smaller than len");
     142             : 
     143             : __fortify_function size_t
     144             : __NTH (wcstombs (char *__restrict __dst, const wchar_t *__restrict __src,
     145             :                  size_t __len))
     146             : {
     147             :   if (__bos (__dst) != (size_t) -1)
     148             :     {
     149             :       if (!__builtin_constant_p (__len))
     150             :         return __wcstombs_chk (__dst, __src, __len, __bos (__dst));
     151             :       if (__len > __bos (__dst))
     152             :         return __wcstombs_chk_warn (__dst, __src, __len, __bos (__dst));
     153             :     }
     154             :   return __wcstombs_alias (__dst, __src, __len);
     155             : }

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