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//
// aegis - project change supervisor
// Copyright (C) 2002, 2004-2006, 2008, 2012 Peter Miller
//
// 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/>.
//

#ifndef LIBAEGIS_DIR_STACK_H
#define LIBAEGIS_DIR_STACK_H

#include <common/str_list.h>

enum dir_stack_walk_message_t
{
    dir_stack_walk_dir_before,
    dir_stack_walk_dir_after,
    dir_stack_walk_file,
    dir_stack_walk_special,
    dir_stack_walk_symlink
};

struct stat; // forward

#define TOP_LEVEL_SYMLINK (~(~0u >> 1))

void dir_stack_readdir(string_list_ty *stack, string_ty *path,
    string_list_ty *result);

typedef void (*dir_stack_walk_callback_t)(void *arg,
    dir_stack_walk_message_t msg, string_ty *relpath, struct stat *statbuf,
    int depth, int ignore_symlinks);

void dir_stack_walk(string_list_ty *viewpath, string_ty *path,
    dir_stack_walk_callback_t callback, void *arg, int ignore_symlinks);

string_ty *dir_stack_find(string_list_ty *viewpath, size_t start_pos,
    string_ty *path, struct stat *statbuf, int *depth,
    int ignore_symlinks);

void dir_stack_stat(string_list_ty *viewpath, string_ty *filename,
    struct stat *statbuf, int *depth, int ignore_symlinks);

string_ty *dir_stack_relative(string_list_ty *viewpath, string_ty *abspath);

// vim: set ts=8 sw=4 et :
#endif // LIBAEGIS_DIR_STACK_H