project(odhcp6c C)
set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -std=c99")
-add_definitions(-D_GNU_SOURCE -Wall -Werror -Wextra -pedantic)
+add_definitions(-D_GNU_SOURCE -Os -Wall -Werror -Wextra -pedantic)
add_executable(odhcp6c src/odhcp6c.c src/dhcpv6.c src/ra.c src/script.c src/md5.c)
target_link_libraries(odhcp6c resolv)
struct icmpv6_opt *opt;
icmpv6_for_each_option(opt, &adv[1], &buf[len]) {
if (opt->type == ND_OPT_MTU) {
- update_proc("conf", "mtu", ntohl(*((uint32_t*)&opt->data[2])));
+ uint32_t *mtu = (uint32_t*)&opt->data[2];
+ update_proc("conf", "mtu", ntohl(*mtu));
} else if (opt->type == ND_OPT_ROUTE_INFORMATION && opt->len <= 3) {
entry.router = from.sin6_addr;
entry.target = any;
entry.priority = pref_to_priority(opt->data[1]);
entry.length = opt->data[0];
- entry.valid = ntohl(*((uint32_t*)&opt->data[2]));
+ uint32_t *valid = (uint32_t*)&opt->data[2];
+ entry.valid = ntohl(*valid);
memcpy(&entry.target, &opt->data[6], (opt->len - 1) * 8);
if (entry.length > 128 || IN6_IS_ADDR_LINKLOCAL(&entry.target)
entry.router = from.sin6_addr;
entry.priority = 0;
entry.length = 128;
- entry.valid = ntohl(*((uint32_t*)&opt->data[2]));
+ uint32_t *valid = (uint32_t*)&opt->data[2];
+ entry.valid = ntohl(*valid);
entry.preferred = 0;
for (ssize_t i = 0; i < (opt->len - 1) / 2; ++i) {