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LibC: Add simple `getnameinfo` 

This doesn't actually do any name resolution but just formats input to
string.
This commit is contained in:
Bananymous 2025-05-27 07:12:10 +03:00
parent 4721344518
commit ee7c9b6731
1 changed files with 27 additions and 2 deletions
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29
userspace/libraries/LibC/netdb.cpp
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@ -147,9 +147,34 @@ error_close_socket:
return EAI_FAIL;
}
int getnameinfo(const struct sockaddr* __restrict, socklen_t, char* __restrict, socklen_t, char* __restrict, socklen_t, int)
#include <BAN/Debug.h>
int getnameinfo(const struct sockaddr* __restrict sa, socklen_t salen, char* __restrict node, socklen_t nodelen, char* __restrict service, socklen_t servicelen, int flags)
{
ASSERT_NOT_REACHED();
printf("getnameinfo(%p, %p, %p, 0x%X)\n", sa, node, service, flags);
switch (sa->sa_family)
{
case AF_INET:
if (salen < static_cast<socklen_t>(sizeof(sockaddr_in)))
return EAI_FAMILY;
if (service && snprintf(service, servicelen, "%d", reinterpret_cast<sockaddr_in*>(service)->sin_port) < 0)
return EAI_SYSTEM;
break;
case AF_INET6:
if (salen < static_cast<socklen_t>(sizeof(sockaddr_in6)))
return EAI_FAMILY;
if (service && snprintf(service, servicelen, "%d", reinterpret_cast<sockaddr_in6*>(service)->sin6_port) < 0)
return EAI_SYSTEM;
break;
default:
return EAI_FAIL;
}
if (node && inet_ntop(sa->sa_family, sa, node, nodelen) == nullptr)
return EAI_SYSTEM;
return 0;
}
struct hostent* gethostbyname(const char* name)