diff options
Diffstat (limited to 'lib/sqfs/dir_reader')
| -rw-r--r-- | lib/sqfs/dir_reader/get_path.c | 42 | 
1 files changed, 42 insertions, 0 deletions
| 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 <goliath@infraroot.at> + */ +#define SQFS_BUILDING_DLL +#include "internal.h" + +#include <string.h> +#include <stdlib.h> + +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; +} | 
