1036 static uint8_t* set_optval(uint8_t *optptr, uint16_t opt, void *var, size_t len)  in set_optval()  argument
1038   while (*optptr != DHCP_OPT_END) optptr++;  in set_optval()
1039   *optptr++ = (uint8_t)(opt & 0x00FF);  in set_optval()
1040   *optptr++ = (uint8_t) len;  in set_optval()
1041   memcpy(optptr, var, len);  in set_optval()
1042   optptr += len;  in set_optval()
1043   *optptr = DHCP_OPT_END;  in set_optval()
1044   return optptr;  in set_optval()
1047 static uint8_t* set_optval6(uint8_t *optptr, uint16_t opt, void *var, size_t len)  in set_optval6()  argument
1049   *((uint16_t*)optptr) = htons(opt);  in set_optval6()
1050   *(uint16_t*)(optptr+2) = htons(len);  in set_optval6()
1051   memcpy(optptr+4, var, len);  in set_optval6()
1052   optptr += len+4;  in set_optval6()
1053   return optptr;  in set_optval6()
1057 static uint8_t* get_optval(uint8_t *optptr, uint16_t opt, void *var)  in get_optval()  argument
1063     while (*optptr == DHCP_OPT_PADDING) optptr++;  in get_optval()
1064     if ((*optptr & 0x00FF) == DHCP_OPT_END) break;  in get_optval()
1065     if ((*optptr & 0x00FF) == DHCP_OPT_OPTION_OVERLOAD) {  in get_optval()
1066       overloaded = optptr[2];  in get_optval()
1067       optptr += optptr[1] + 2;  in get_optval()
1069     len = optptr[1];  in get_optval()
1070     if (*optptr == (opt & 0x00FF))  in get_optval()
1074           memcpy(var, optptr+2, sizeof(uint32_t));  in get_optval()
1075           optptr += len + 2;  in get_optval()
1076           return optptr;  in get_optval()
1079           memcpy(var, optptr+2, sizeof(uint16_t));  in get_optval()
1080           optptr += len + 2;  in get_optval()
1081           return optptr;  in get_optval()
1084           memcpy(var, optptr+2, sizeof(uint8_t));  in get_optval()
1085           optptr += len + 2;  in get_optval()
1086           return optptr;  in get_optval()
1089           var = xstrndup((char*) optptr, len);  in get_optval()
1090           optptr += len + 2;  in get_optval()
1091           return optptr;  in get_optval()
1094     optptr += len + 2;  in get_optval()
1098   return optptr;  in get_optval()
1101 static uint8_t* get_optval6(uint8_t *optptr, uint16_t opt, uint16_t *datalen, void **var)  in get_optval6()  argument
1106   memcpy(&optcode, optptr, sizeof(uint16_t));  in get_optval6()
1107   memcpy(&len, optptr+2, sizeof(uint16_t));  in get_optval6()
1110     return optptr;  in get_optval6()
1117     memcpy(*var, optptr+4, len);  in get_optval6()
1118     optptr = optptr + len + 4;  in get_optval6()
1122     optptr = get_optval6(optptr+len+4, opt, datalen, var);  in get_optval6()
1125   return optptr;  in get_optval6()
1131   uint8_t len, *optptr;  in get_reqparam()  local
1133   for (optptr = gstate.rcvd.rcvd_pkt.options;  in get_reqparam()
1134       *optptr && *optptr!=((DHCP_OPT_PARAM_REQ) & 0x00FF); optptr+=optptr[1]+2);  in get_reqparam()
1135   len = *++optptr;  in get_reqparam()
1137   memcpy(*list, ++optptr, len);  in get_reqparam()
1142 static uint8_t* set_reqparam(uint8_t *optptr, uint8_t *list)  in set_reqparam()  argument
1152         for (; *optptr && *optptr!=DHCP_OPT_END; optptr+=optptr[1]+2);  in set_reqparam()
1153         *optptr++ = (uint8_t) (options_list[count].code & 0x00FF);  in set_reqparam()
1154         *optptr++ = (uint8_t) options_list[count].len;  in set_reqparam()
1155         memcpy(optptr, options_list[count].val, options_list[count].len);  in set_reqparam()
1156         optptr += options_list[count].len;  in set_reqparam()
1157         *optptr = DHCP_OPT_END;  in set_reqparam()
1162   return optptr;  in set_reqparam()
1609   uint8_t *optptr, msgtype = 0;  in dhcpd_main()  local
1761             optptr = prepare_send_pkt6(DHCP6ADVERTISE);  in dhcpd_main()
1842               optptr = set_optval6(optptr, DHCP6_OPT_IA_NA, server_ia_na,  in dhcpd_main()
1872               optptr = set_optval6(optptr, DHCP6_OPT_SERVERID, server_duid,  in dhcpd_main()
1876               optptr = set_optval6(optptr, DHCP6_OPT_CLIENTID, client_duid,  in dhcpd_main()
1887             optptr = prepare_send_pkt6(DHCP6REPLY);  in dhcpd_main()
1893             optptr = set_optval6(optptr, DHCP6_OPT_CLIENTID, client_duid,  in dhcpd_main()
1950               optptr = set_optval6(optptr, DHCP6_OPT_IA_NA,  in dhcpd_main()
1959             optptr = set_optval6(optptr, DHCP6_OPT_SERVERID,  in dhcpd_main()
1973             optptr = prepare_send_pkt6(DHCP6REPLY);  in dhcpd_main()
2012             optptr = prepare_send_pkt();  in dhcpd_main()
2017               optptr = set_optval(optptr, DHCP_OPT_MESSAGE_TYPE, &msgtype, 1);  in dhcpd_main()
2024             optptr = set_optval(optptr, DHCP_OPT_MESSAGE_TYPE, &msgtype, 1);  in dhcpd_main()
2025             optptr = set_optval(optptr, DHCP_OPT_SERVER_ID, &gconfig.server_nip, 4);  in dhcpd_main()
2026             optptr = set_optval(optptr, DHCP_OPT_LEASE_TIME, &reqested_lease, 4);  in dhcpd_main()
2027             optptr = set_reqparam(optptr, gstate.rqopt);  in dhcpd_main()
2033             optptr = prepare_send_pkt();  in dhcpd_main()
2045               optptr = set_optval(optptr, DHCP_OPT_MESSAGE_TYPE, &msgtype, 1);  in dhcpd_main()
2049             optptr = set_optval(optptr, DHCP_OPT_MESSAGE_TYPE, &msgtype, 1);  in dhcpd_main()
2050             optptr = set_optval(optptr, DHCP_OPT_SERVER_ID, &gconfig.server_nip, 4);  in dhcpd_main()
2052             optptr = set_optval(optptr, DHCP_OPT_LEASE_TIME, &reqested_lease, 4);  in dhcpd_main()