src/lxc/parse.h

   1 /*
   2  * lxc: linux Container library
   3  *
   4  * (C) Copyright IBM Corp. 2007, 2008
   5  *
   6  * Authors:
   7  * Daniel Lezcano <daniel.lezcano at free.fr>
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  22  */
  23 #ifndef __LXC_PARSE_H
  24 #define __LXC_PARSE_H
  25
  26 #include <stdio.h>
  27 #include <sys/types.h>
  28
  29 #include "compiler.h"
  30
  31 typedef int (*lxc_dir_cb)(const char *name, const char *directory,
  32                           const char *file, void *data);
  33
  34 typedef int (*lxc_file_cb)(char *buffer, void *data);
  35
  36 __hot extern int lxc_file_for_each_line(const char *file, lxc_file_cb callback,
  37                                         void *data);
  38
  39 __hot extern int lxc_file_for_each_line_mmap(const char *file,
  40                                              lxc_file_cb callback, void *data);
  41
  42 /* mmap() wrapper. lxc_strmmap() will take care to \0-terminate files so that
  43  * normal string-handling functions can be used on the buffer. */
  44 extern void *lxc_strmmap(void *addr, size_t length, int prot, int flags, int fd,
  45                          off_t offset);
  46 /* munmap() wrapper. Use it to free memory mmap()ed with lxc_strmmap(). */
  47 extern int lxc_strmunmap(void *addr, size_t length);
  48
  49 #endif