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[wpinet] uv::AddrToName: Add StringAssignable constraint (#7627)

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This commit is contained in:
Peter Johnson
2025-01-03 13:28:29 -08:00
committed by GitHub
parent 12a1475ee4
commit 93521420c8
1 changed files with 12 additions and 5 deletions
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17
wpinet/src/main/native/include/wpinet/uv/util.h
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@@ -16,6 +16,13 @@
namespace wpi::uv {
namespace detail {
template <typename T>
concept StringAssignable = requires(T a, const char* p) {
{ a.assign(p, p) }; // NOLINT(readability/braces)
};
} // namespace detail
/**
* Convert a binary structure containing an IPv4 address to a string.
* @param addr Binary structure
@@ -23,7 +30,7 @@ namespace wpi::uv {
* @param port Output port number
* @return Error (same as `uv_ip4_name()`).
*/
template <typename T>
template <detail::StringAssignable T>
int AddrToName(const sockaddr_in& addr, T* ip, unsigned int* port) {
char name[128];
int err = uv_ip4_name(&addr, name, 128);
@@ -43,7 +50,7 @@ int AddrToName(const sockaddr_in& addr, T* ip, unsigned int* port) {
* @param port Output port number
* @return Error (same as `uv_ip6_name()`).
*/
template <typename T>
template <detail::StringAssignable T>
int AddrToName(const sockaddr_in6& addr, T* ip, unsigned int* port) {
char name[128];
int err = uv_ip6_name(&addr, name, 128);
@@ -63,7 +70,7 @@ int AddrToName(const sockaddr_in6& addr, T* ip, unsigned int* port) {
* @param port Output port number
* @return Error (same as `uv_ip6_name()`).
*/
template <typename T>
template <detail::StringAssignable T>
int AddrToName(const sockaddr_storage& addr, T* ip, unsigned int* port) {
if (addr.ss_family == AF_INET) {
return AddrToName(reinterpret_cast<const sockaddr_in&>(addr), ip, port);
@@ -82,7 +89,7 @@ int AddrToName(const sockaddr_storage& addr, T* ip, unsigned int* port) {
* @param ip Output string (any type that has `assign(char*, char*)`)
* @return Error (same as `uv_inet_ntop()`).
*/
template <typename T>
template <detail::StringAssignable T>
int AddrToName(const in_addr& addr, T* ip) {
char name[128];
int err = uv_inet_ntop(AF_INET, &addr, name, 128);
@@ -100,7 +107,7 @@ int AddrToName(const in_addr& addr, T* ip) {
* @param ip Output string (any type that has `assign(char*, char*)`)
* @return Error (same as `uv_inet_ntop()`).
*/
template <typename T>
template <detail::StringAssignable T>
int AddrToName(const in6_addr& addr, T* ip) {
char name[128];
int err = uv_inet_ntop(AF_INET6, &addr, name, 128);