source: MondoRescue/branches/stable/mindi-busybox/e2fsprogs/ext2fs/dblist_dir.c@ 821

/*
 * dblist_dir.c --- iterate by directory entry
 *
 * Copyright 1997 by Theodore Ts'o
 *
 * %Begin-Header%
 * This file may be redistributed under the terms of the GNU Public
 * License.
 * %End-Header%
 *
 */

#include <stdio.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <string.h>
#include <time.h>

#include "ext2_fs.h"
#include "ext2fsP.h"

static int db_dir_proc(ext2_filsys fs, struct ext2_db_entry *db_info,
               void *priv_data);

errcode_t ext2fs_dblist_dir_iterate(ext2_dblist dblist,
                    int flags,
                    char    *block_buf,
                    int (*func)(ext2_ino_t dir,
                        int entry,
                        struct ext2_dir_entry *dirent,
                        int offset,
                        int blocksize,
                        char    *buf,
                        void    *priv_data),
                    void *priv_data)
{
    errcode_t       retval;
    struct dir_context  ctx;

    EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST);

    ctx.dir = 0;
    ctx.flags = flags;
    if (block_buf)
        ctx.buf = block_buf;
    else {
        retval = ext2fs_get_mem(dblist->fs->blocksize, &ctx.buf);
        if (retval)
            return retval;
    }
    ctx.func = func;
    ctx.priv_data = priv_data;
    ctx.errcode = 0;

    retval = ext2fs_dblist_iterate(dblist, db_dir_proc, &ctx);

    if (!block_buf)
        ext2fs_free_mem(&ctx.buf);
    if (retval)
        return retval;
    return ctx.errcode;
}

static int db_dir_proc(ext2_filsys fs, struct ext2_db_entry *db_info,
               void *priv_data)
{
    struct dir_context  *ctx;

    ctx = (struct dir_context *) priv_data;
    ctx->dir = db_info->ino;

    return ext2fs_process_dir_block(fs, &db_info->blk,
                    db_info->blockcnt, 0, 0, priv_data);
}