(root)/
glibc-2.38/
sysdeps/
unix/
sysv/
linux/
ppoll_chk.c
       1  /* Fortify ppoll implementation.  Linux version.
       2     Copyright (C) 2022-2023 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  #include <poll.h>
      20  
      21  int
      22  __ppoll64_chk (struct pollfd *fds, nfds_t nfds,
      23  	       const struct __timespec64 *tmo, const __sigset_t *ss,
      24  	       __SIZE_TYPE__ fdslen)
      25  {
      26    if (fdslen / sizeof (*fds) < nfds)
      27      __chk_fail ();
      28  
      29    return __ppoll64 (fds, nfds, tmo, ss);
      30  }
      31  
      32  #if __TIMESIZE != 64
      33  int
      34  __ppoll_chk (struct pollfd *fds, nfds_t nfds, const struct timespec *tmo,
      35  	     const __sigset_t *ss, __SIZE_TYPE__ fdslen)
      36  {
      37    if (fdslen / sizeof (*fds) < nfds)
      38      __chk_fail ();
      39  
      40    return ppoll (fds, nfds, tmo, ss);
      41  }
      42  #endif