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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2022-07-04 20:01:59 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2022-07-08 19:17:35 +0200
commit3946cf086183f8dd4d5d115f52ba1b87560b7ce4 (patch)
tree2659b940b757d1bd177d00562bf8e41a333ef12e /lib/sqfs/dir_reader/get_path.c
parent8c0aa2504199036eaaa09673ea93dcdcd79606ef (diff)
Move sqfs_tree_node_get_path to libsquashfs
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/sqfs/dir_reader/get_path.c')
-rw-r--r--lib/sqfs/dir_reader/get_path.c42
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;
+}