From 464df1d5e5ab1322e2dd0a7796939fff1aeefa9a Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 17:49:25 +0200
Subject: Adding upstream version 1.47.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 lib/ext2fs/dblist_dir.c | 88 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 lib/ext2fs/dblist_dir.c

(limited to 'lib/ext2fs/dblist_dir.c')

diff --git a/lib/ext2fs/dblist_dir.c b/lib/ext2fs/dblist_dir.c
new file mode 100644
index 0000000..864a3ca
--- /dev/null
+++ b/lib/ext2fs/dblist_dir.c
@@ -0,0 +1,88 @@
+/*
+ * 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 Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#include "config.h"
+#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_entry2 *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_iterate2(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_entry2 *db_info,
+		       void *priv_data)
+{
+	struct ext2_inode	inode;
+	struct dir_context	*ctx;
+	int			ret;
+
+	ctx = (struct dir_context *) priv_data;
+	ctx->dir = db_info->ino;
+	ctx->errcode = 0;
+
+	ctx->errcode = ext2fs_read_inode(fs, ctx->dir, &inode);
+	if (ctx->errcode)
+		return DBLIST_ABORT;
+	if (inode.i_flags & EXT4_INLINE_DATA_FL)
+		ret = ext2fs_inline_data_dir_iterate(fs, ctx->dir, ctx);
+	else
+		ret = ext2fs_process_dir_block(fs, &db_info->blk,
+					       db_info->blockcnt, 0, 0,
+					       priv_data);
+	if ((ret & BLOCK_ABORT) && !ctx->errcode)
+		return DBLIST_ABORT;
+	return 0;
+}
-- 
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