- if (!path.alloc) {
- path.buf = xmalloc(PATH_MAX);
- path.alloc = PATH_MAX;
- path.len = path.eof = 0;
- }
- if (path.alloc < baselen + filenamelen + 1) {
- free(path.buf);
- path.buf = xmalloc(baselen + filenamelen + 1);
- path.alloc = baselen + filenamelen + 1;
- }
- memcpy(path.buf, base, baselen);
- memcpy(path.buf + baselen, filename, filenamelen);
- path.len = baselen + filenamelen;
- path.buf[path.len] = '\0';
+ strbuf_reset(&path);
+ strbuf_grow(&path, PATH_MAX);
+ strbuf_add(&path, base, baselen);
+ strbuf_addstr(&path, filename);