-static bool
-is_root_wim_path(const tchar *path)
-{
- const tchar *p;
- for (p = path; *p; p++)
- if (*p != T('\\') && *p != T('/'))
- return false;
- return true;
-}
-
-static void
-free_extract_commands(struct wimlib_extract_command *cmds, size_t num_cmds,
- const tchar *dest_dir)
-{
- for (size_t i = 0; i < num_cmds; i++)
- if (cmds[i].fs_dest_path != dest_dir)
- free(cmds[i].fs_dest_path);
- free(cmds);
-}
-
-static struct wimlib_extract_command *
-prepare_extract_commands(tchar **paths, unsigned num_paths,
- int extract_flags, tchar *dest_dir,
- size_t *num_cmds_ret)
-{
- struct wimlib_extract_command *cmds;
- size_t num_cmds;
- tchar *emptystr = T("");
-
- if (num_paths == 0) {
- num_paths = 1;
- paths = &emptystr;
- }
- num_cmds = num_paths;
- cmds = calloc(num_cmds, sizeof(cmds[0]));
- if (!cmds) {
- imagex_error(T("Out of memory!"));
- return NULL;
- }
-
- for (size_t i = 0; i < num_cmds; i++) {
- cmds[i].extract_flags = extract_flags;
- cmds[i].wim_source_path = paths[i];
- if (is_root_wim_path(paths[i])) {
- cmds[i].fs_dest_path = dest_dir;
- } else {
- size_t len = tstrlen(dest_dir) + 1 + tstrlen(paths[i]);
- cmds[i].fs_dest_path = malloc((len + 1) * sizeof(tchar));
- if (!cmds[i].fs_dest_path) {
- free_extract_commands(cmds, num_cmds, dest_dir);
- return NULL;
- }
- tsprintf(cmds[i].fs_dest_path,
- T("%"TS""OS_PREFERRED_PATH_SEPARATOR_STRING"%"TS),
- dest_dir, tbasename(paths[i]));
- }
- }
- *num_cmds_ret = num_cmds;
- return cmds;
-}
-