From cdccc69c62579b0c13b35fad0728079652b8f3c9 Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Tue, 31 Jan 2023 11:21:30 +0100 Subject: Move library source into src sub-directory Signed-off-by: David Oberhollenzer --- lib/fstree/src/get_path.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 lib/fstree/src/get_path.c (limited to 'lib/fstree/src/get_path.c') diff --git a/lib/fstree/src/get_path.c b/lib/fstree/src/get_path.c new file mode 100644 index 0000000..decf92e --- /dev/null +++ b/lib/fstree/src/get_path.c @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-3.0-or-later */ +/* + * get_path.c + * + * Copyright (C) 2019 David Oberhollenzer + */ +#include "config.h" + +#include "fstree.h" + +#include +#include + +char *fstree_get_path(tree_node_t *node) +{ + 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(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(it->name); + ptr -= len; + + memcpy(ptr, it->name, len); + *(--ptr) = '/'; + } + + return str; +} -- cgit v1.2.3