kc3-lang/gnulib/lib/openat-priv.h

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• Hash : c4194dcc
  Author :
  Date : 2009-09-08T20:47:40
  

  linkat: new module
  
  * modules/linkat: New file.
  * lib/at-func2.c (at_func2): Likewise.
  * lib/linkat.c (linkat): Likewise.
  * m4/linkat.m4 (gl_FUNC_LINKAT): Likewise.
  * lib/openat-priv.h (at_func2): Add declaration.
  * m4/unistd_h.m4 (gl_UNISTD_H_DEFAULTS): Add witnesses.
  * modules/unistd (Makefile.am): Substitute them.
  * lib/unistd.in.h (linkat): Declare it.
  * MODULES.html.sh (systems lacking POSIX:2008): Mention module.
  * doc/posix-functions/linkat.texi (linkat): Likewise.
  * doc/posix-functions/link.texi (link): Tweak wording.
  * tests/test-link.c (main): Move guts...
  * tests/test-link.h (test_link): ...into new file.
  * modules/linkat-tests: New test.
  * tests/test-linkat.c: Likewise.
  * modules/link-tests (Files): Ship new file.
  (Depends-on): Add stdbool.
  
  Signed-off-by: Eric Blake <ebb9@byu.net>
  

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• lib/openat-priv.h

• /* Internals for openat-like functions.
  
     Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  
  /* written by Jim Meyering */
  
  #ifndef _GL_HEADER_OPENAT_PRIV
  #define _GL_HEADER_OPENAT_PRIV
  
  #include <errno.h>
  #include <stdlib.h>
  
  #define OPENAT_BUFFER_SIZE 512
  char *openat_proc_name (char buf[OPENAT_BUFFER_SIZE], int fd, char const *file);
  
  /* Trying to access a BUILD_PROC_NAME file will fail on systems without
     /proc support, and even on systems *with* ProcFS support.  Return
     nonzero if the failure may be legitimate, e.g., because /proc is not
     readable, or the particular .../fd/N directory is not present.  */
  #define EXPECTED_ERRNO(Errno)			\
    ((Errno) == ENOTDIR || (Errno) == ENOENT	\
     || (Errno) == EPERM || (Errno) == EACCES	\
     || (Errno) == ENOSYS /* Solaris 8 */		\
     || (Errno) == EOPNOTSUPP /* FreeBSD */)
  
  /* Wrapper function shared among linkat and renameat.  */
  int at_func2 (int fd1, char const *file1,
  	      int fd2, char const *file2,
  	      int (*func) (char const *file1, char const *file2));
  
  #endif /* _GL_HEADER_OPENAT_PRIV */
  

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