/* If the name isn't in buf yet, it's wasn't absolute. */
if (fn != buf) {
- if (dirbuf_len + fn_len >= MAXPATHLEN) {
+ int d_len = dirbuf_len - prefix_skip;
+ if (d_len + fn_len >= MAXPATHLEN) {
rprintf(FERROR, "merge-file name overflows: %s\n", fn);
return NULL;
}
- memcpy(buf, dirbuf + prefix_skip, dirbuf_len - prefix_skip);
- memcpy(buf + dirbuf_len - prefix_skip, fn, fn_len + 1);
+ memcpy(buf, dirbuf + prefix_skip, d_len);
+ memcpy(buf + d_len, fn, fn_len + 1);
fn_len = clean_fname(buf, CFN_COLLAPSE_DOT_DOT_DIRS);
}