PW_MAX_NAME
if (left < PW_MAX_NAME + 1)
len = fs_read_attr(fd, B_PW_NAME, B_STRING_TYPE, 0LL, buf, PW_MAX_NAME);
#define PWBUFFSZ (PW_MAX_NAME + PW_MAX_DIR + PW_MAX_GECOS + PW_MAX_PASSWD + PW_MAX_SHELL + 4)
if (!name || strlen(name) > PW_MAX_NAME) {