diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sqfshelper/Makemodule.am | 1 | ||||
| -rw-r--r-- | lib/sqfshelper/get_path.c | 43 |
2 files changed, 44 insertions, 0 deletions
diff --git a/lib/sqfshelper/Makemodule.am b/lib/sqfshelper/Makemodule.am index 32d9852..67f81a4 100644 --- a/lib/sqfshelper/Makemodule.am +++ b/lib/sqfshelper/Makemodule.am @@ -12,5 +12,6 @@ libsqfshelper_a_SOURCES += lib/sqfshelper/compress.c lib/sqfshelper/comp_opt.c libsqfshelper_a_SOURCES += include/data_reader.h lib/sqfshelper/data_reader.c libsqfshelper_a_SOURCES += include/data_writer.h lib/sqfshelper/data_writer.c libsqfshelper_a_SOURCES += lib/sqfshelper/write_xattr.c include/highlevel.h +libsqfshelper_a_SOURCES += lib/sqfshelper/get_path.c noinst_LIBRARIES += libsqfshelper.a diff --git a/lib/sqfshelper/get_path.c b/lib/sqfshelper/get_path.c new file mode 100644 index 0000000..a432b4a --- /dev/null +++ b/lib/sqfshelper/get_path.c @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-3.0-or-later */ +/* + * get_path.c + * + * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> + */ +#include "config.h" + +#include "highlevel.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; +} |