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/*
* cook - file construction tool
* Copyright (C) 1993-1995, 1997-1999, 2001, 2004, 2006, 2007 Peter Miller;
* All rights reserved.
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
*
* MANIFEST: interface definition for cook/os.c
*
* This file was originally called cook/os.h, but <os.h> is a system
* include file on some systems, and this caused portability problems.
*/
#ifndef COOK_OS_INTERFACE_H
#define COOK_OS_INTERFACE_H
#include <common/ac/time.h>
#include <common/str.h>
#include <common/str_list.h>
time_t os_mtime_oldest(string_ty *);
time_t os_mtime_newest(string_ty *);
int os_mtime_adjust(string_ty *, time_t);
int os_touch(string_ty *);
/**
* The os_execute_magic_characters function is used to determine if the
* given string contains any characters "magic" to the shell.
*
* \returns
* zero if there are no magic characters, non-zero if there is at
* least one magic character
*/
int os_execute_magic_characters(string_ty *);
/**
* The os_execute_magic_characters_list function is used to determine if the
* given list of string contains any characters "magic" to the shell.
*
* \returns
* zero if there are no magic characters, non-zero if there is at
* least one magic character
*/
int os_execute_magic_characters_list(string_list_ty *);
int os_execute(string_list_ty *cmd, string_ty *input, int errok);
int os_exists(string_ty *);
int os_exists_symlink(string_ty *);
int os_exists_dir(string_ty *);
/**
* The os_executable function is used to test if the given path exists
* and is executable.
*
* \param path
* The path to test for existence and executablity.
* \returns
* 1 if exists and is executable, 0 if noes not exist, -1 on any
* other error (the error has already been printed).
*/
int os_executable(string_ty *path);
string_ty *os_accdir(void);
string_ty *os_curdir(void);
string_ty *os_dirname(string_ty *);
string_ty *os_dirname_relative(string_ty *);
string_ty *os_entryname(string_ty *);
string_ty *os_pathname(string_ty *);
int os_legal_path(string_ty *);
int os_delete(string_ty *path, int echo);
int os_clear_stat(string_ty *);
int exit_status(char *cmd, int status, int errok);
int os_mkdir(string_ty *path, int echo);
/**
* The os_symlink function may be used to create symbolic links.
*
* @param from
* The existing file which is to form the content of the symbolic link
* @param to
* The new file to be created as a symbolic link.
* @returns
* zero on success, -1 on failure
*/
int os_symlink(string_ty *from, string_ty *to, int echo);
#endif /* COOK_OS_INTERFACE_H */
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