(root)/
glibc-2.38/
io/
access.c
       1  /* Copyright (C) 1991-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <errno.h>
      19  #include <stddef.h>
      20  #include <unistd.h>
      21  
      22  /* Test for access to FILE without setting errno.   */
      23  int
      24  __access_noerrno (const char *file, int type)
      25  {
      26    return -1;
      27  }
      28  
      29  /* Test for access to FILE.  */
      30  int
      31  __access (const char *file, int type)
      32  {
      33    if (file == NULL || (type & ~(R_OK|W_OK|X_OK|F_OK)) != 0)
      34      {
      35        __set_errno (EINVAL);
      36        return -1;
      37      }
      38  
      39    __set_errno (ENOSYS);
      40    return -1;
      41  }
      42  libc_hidden_def (__access)
      43  stub_warning (access)
      44  
      45  weak_alias (__access, access)