From 3946cf086183f8dd4d5d115f52ba1b87560b7ce4 Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Mon, 4 Jul 2022 20:01:59 +0200 Subject: Move sqfs_tree_node_get_path to libsquashfs Signed-off-by: David Oberhollenzer --- lib/sqfs/Makemodule.am | 1 + lib/sqfs/dir_reader/get_path.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+) create mode 100644 lib/sqfs/dir_reader/get_path.c (limited to 'lib/sqfs') diff --git a/lib/sqfs/Makemodule.am b/lib/sqfs/Makemodule.am index d49482e..ad3d42d 100644 --- a/lib/sqfs/Makemodule.am +++ b/lib/sqfs/Makemodule.am @@ -20,6 +20,7 @@ libsquashfs_la_SOURCES += lib/sqfs/read_table.c lib/sqfs/comp/compressor.c libsquashfs_la_SOURCES += lib/sqfs/comp/internal.h libsquashfs_la_SOURCES += lib/sqfs/dir_reader/dir_reader.c libsquashfs_la_SOURCES += lib/sqfs/dir_reader/read_tree.c +libsquashfs_la_SOURCES += lib/sqfs/dir_reader/get_path.c libsquashfs_la_SOURCES += lib/sqfs/dir_reader/internal.h libsquashfs_la_SOURCES += lib/sqfs/inode.c lib/sqfs/xattr/xattr_writer.c libsquashfs_la_SOURCES += lib/sqfs/xattr/xattr_writer_flush.c diff --git a/lib/sqfs/dir_reader/get_path.c b/lib/sqfs/dir_reader/get_path.c new file mode 100644 index 0000000..bdd8317 --- /dev/null +++ b/lib/sqfs/dir_reader/get_path.c @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: LGPL-3.0-or-later */ +/* + * get_path.c + * + * Copyright (C) 2019 David Oberhollenzer + */ +#define SQFS_BUILDING_DLL +#include "internal.h" + +#include +#include + +char *sqfs_tree_node_get_path(const sqfs_tree_node_t *node) +{ + const sqfs_tree_node_t *it; + char *str, *ptr; + size_t len = 0; + + if (node->parent == NULL) + return strdup("/"); + + for (it = node; it != NULL && it->parent != NULL; it = it->parent) { + len += strlen((const char *)it->name) + 1; + } + + str = malloc(len + 1); + if (str == NULL) + return NULL; + + ptr = str + len; + *ptr = '\0'; + + for (it = node; it != NULL && it->parent != NULL; it = it->parent) { + len = strlen((const char *)it->name); + ptr -= len; + + memcpy(ptr, (const char *)it->name, len); + *(--ptr) = '/'; + } + + return str; +} -- cgit v1.2.3