6 files changed, 38 insertions, 36 deletions

diff --git a/src/core/hle/service/sockets/bsd.cpp b/src/core/hle/service/sockets/bsd.cpp
index 9e94a462f..119d6ba5b 100644
--- a/src/core/hle/service/sockets/bsd.cpp
+++ b/src/core/hle/service/sockets/bsd.cpp
@@ -186,7 +186,7 @@ void BSD::Poll(Kernel::HLERequestContext& ctx) {
     ExecuteWork(ctx, PollWork{
                          .nfds = nfds,
                          .timeout = timeout,
-                         .read_buffer = ctx.ReadBuffer(),
+                         .read_buffer = ctx.ReadBufferSpan(),
                          .write_buffer = std::vector<u8>(ctx.GetWriteBufferSize()),
                      });
 }
@@ -208,8 +208,7 @@ void BSD::Bind(Kernel::HLERequestContext& ctx) {
     const s32 fd = rp.Pop<s32>();
 
     LOG_DEBUG(Service, "called. fd={} addrlen={}", fd, ctx.GetReadBufferSize());
-
-    BuildErrnoResponse(ctx, BindImpl(fd, ctx.ReadBuffer()));
+    BuildErrnoResponse(ctx, BindImpl(fd, ctx.ReadBufferSpan()));
 }
 
 void BSD::Connect(Kernel::HLERequestContext& ctx) {
@@ -220,7 +219,7 @@ void BSD::Connect(Kernel::HLERequestContext& ctx) {
 
     ExecuteWork(ctx, ConnectWork{
                          .fd = fd,
-                         .addr = ctx.ReadBuffer(),
+                         .addr = ctx.ReadBufferSpan(),
                      });
 }
 
@@ -312,7 +311,7 @@ void BSD::SetSockOpt(Kernel::HLERequestContext& ctx) {
     const u32 level = rp.Pop<u32>();
     const OptName optname = static_cast<OptName>(rp.Pop<u32>());
 
-    const std::vector<u8> buffer = ctx.ReadBuffer();
+    const auto buffer = ctx.ReadBufferSpan();
     const u8* optval = buffer.empty() ? nullptr : buffer.data();
     size_t optlen = buffer.size();
 
@@ -383,7 +382,7 @@ void BSD::Send(Kernel::HLERequestContext& ctx) {
     ExecuteWork(ctx, SendWork{
                          .fd = fd,
                          .flags = flags,
-                         .message = ctx.ReadBuffer(),
+                         .message = ctx.ReadBufferSpan(),
                      });
 }
 
@@ -398,8 +397,8 @@ void BSD::SendTo(Kernel::HLERequestContext& ctx) {
     ExecuteWork(ctx, SendToWork{
                          .fd = fd,
                          .flags = flags,
-                         .message = ctx.ReadBuffer(0),
-                         .addr = ctx.ReadBuffer(1),
+                         .message = ctx.ReadBufferSpan(0),
+                         .addr = ctx.ReadBufferSpan(1),
                      });
 }
 
@@ -412,7 +411,7 @@ void BSD::Write(Kernel::HLERequestContext& ctx) {
     ExecuteWork(ctx, SendWork{
                          .fd = fd,
                          .flags = 0,
-                         .message = ctx.ReadBuffer(),
+                         .message = ctx.ReadBufferSpan(),
                      });
 }
 
@@ -489,7 +488,7 @@ std::pair<s32, Errno> BSD::SocketImpl(Domain domain, Type type, Protocol protoco
     return {fd, Errno::SUCCESS};
 }
 
-std::pair<s32, Errno> BSD::PollImpl(std::vector<u8>& write_buffer, std::vector<u8> read_buffer,
+std::pair<s32, Errno> BSD::PollImpl(std::vector<u8>& write_buffer, std::span<const u8> read_buffer,
                                     s32 nfds, s32 timeout) {
     if (write_buffer.size() < nfds * sizeof(PollFD)) {
         return {-1, Errno::INVAL};
@@ -584,7 +583,7 @@ std::pair<s32, Errno> BSD::AcceptImpl(s32 fd, std::vector<u8>& write_buffer) {
     return {new_fd, Errno::SUCCESS};
 }
 
-Errno BSD::BindImpl(s32 fd, const std::vector<u8>& addr) {
+Errno BSD::BindImpl(s32 fd, std::span<const u8> addr) {
     if (!IsFileDescriptorValid(fd)) {
         return Errno::BADF;
     }
@@ -595,7 +594,7 @@ Errno BSD::BindImpl(s32 fd, const std::vector<u8>& addr) {
     return Translate(file_descriptors[fd]->socket->Bind(Translate(addr_in)));
 }
 
-Errno BSD::ConnectImpl(s32 fd, const std::vector<u8>& addr) {
+Errno BSD::ConnectImpl(s32 fd, std::span<const u8> addr) {
     if (!IsFileDescriptorValid(fd)) {
         return Errno::BADF;
     }
@@ -800,15 +799,15 @@ std::pair<s32, Errno> BSD::RecvFromImpl(s32 fd, u32 flags, std::vector<u8>& mess
     return {ret, bsd_errno};
 }
 
-std::pair<s32, Errno> BSD::SendImpl(s32 fd, u32 flags, const std::vector<u8>& message) {
+std::pair<s32, Errno> BSD::SendImpl(s32 fd, u32 flags, std::span<const u8> message) {
     if (!IsFileDescriptorValid(fd)) {
         return {-1, Errno::BADF};
     }
     return Translate(file_descriptors[fd]->socket->Send(message, flags));
 }
 
-std::pair<s32, Errno> BSD::SendToImpl(s32 fd, u32 flags, const std::vector<u8>& message,
-                                      const std::vector<u8>& addr) {
+std::pair<s32, Errno> BSD::SendToImpl(s32 fd, u32 flags, std::span<const u8> message,
+                                      std::span<const u8> addr) {
     if (!IsFileDescriptorValid(fd)) {
         return {-1, Errno::BADF};
     }
diff --git a/src/core/hle/service/sockets/bsd.h b/src/core/hle/service/sockets/bsd.h
index 81e855e0f..56bb3f8b1 100644
--- a/src/core/hle/service/sockets/bsd.h
+++ b/src/core/hle/service/sockets/bsd.h
@@ -4,6 +4,7 @@
 #pragma once
 
 #include <memory>
+#include <span>
 #include <vector>
 
 #include "common/common_types.h"
@@ -44,7 +45,7 @@ private:
 
         s32 nfds;
         s32 timeout;
-        std::vector<u8> read_buffer;
+        std::span<const u8> read_buffer;
         std::vector<u8> write_buffer;
         s32 ret{};
         Errno bsd_errno{};
@@ -65,7 +66,7 @@ private:
         void Response(Kernel::HLERequestContext& ctx);
 
         s32 fd;
-        std::vector<u8> addr;
+        std::span<const u8> addr;
         Errno bsd_errno{};
     };
 
@@ -98,7 +99,7 @@ private:
 
         s32 fd;
         u32 flags;
-        std::vector<u8> message;
+        std::span<const u8> message;
         s32 ret{};
         Errno bsd_errno{};
     };
@@ -109,8 +110,8 @@ private:
 
         s32 fd;
         u32 flags;
-        std::vector<u8> message;
-        std::vector<u8> addr;
+        std::span<const u8> message;
+        std::span<const u8> addr;
         s32 ret{};
         Errno bsd_errno{};
     };
@@ -143,11 +144,11 @@ private:
     void ExecuteWork(Kernel::HLERequestContext& ctx, Work work);
 
     std::pair<s32, Errno> SocketImpl(Domain domain, Type type, Protocol protocol);
-    std::pair<s32, Errno> PollImpl(std::vector<u8>& write_buffer, std::vector<u8> read_buffer,
+    std::pair<s32, Errno> PollImpl(std::vector<u8>& write_buffer, std::span<const u8> read_buffer,
                                    s32 nfds, s32 timeout);
     std::pair<s32, Errno> AcceptImpl(s32 fd, std::vector<u8>& write_buffer);
-    Errno BindImpl(s32 fd, const std::vector<u8>& addr);
-    Errno ConnectImpl(s32 fd, const std::vector<u8>& addr);
+    Errno BindImpl(s32 fd, std::span<const u8> addr);
+    Errno ConnectImpl(s32 fd, std::span<const u8> addr);
     Errno GetPeerNameImpl(s32 fd, std::vector<u8>& write_buffer);
     Errno GetSockNameImpl(s32 fd, std::vector<u8>& write_buffer);
     Errno ListenImpl(s32 fd, s32 backlog);
@@ -157,9 +158,9 @@ private:
     std::pair<s32, Errno> RecvImpl(s32 fd, u32 flags, std::vector<u8>& message);
     std::pair<s32, Errno> RecvFromImpl(s32 fd, u32 flags, std::vector<u8>& message,
                                        std::vector<u8>& addr);
-    std::pair<s32, Errno> SendImpl(s32 fd, u32 flags, const std::vector<u8>& message);
-    std::pair<s32, Errno> SendToImpl(s32 fd, u32 flags, const std::vector<u8>& message,
-                                     const std::vector<u8>& addr);
+    std::pair<s32, Errno> SendImpl(s32 fd, u32 flags, std::span<const u8> message);
+    std::pair<s32, Errno> SendToImpl(s32 fd, u32 flags, std::span<const u8> message,
+                                     std::span<const u8> addr);
     Errno CloseImpl(s32 fd);
 
     s32 FindFreeFileDescriptorHandle() noexcept;
diff --git a/src/core/internal_network/network.cpp b/src/core/internal_network/network.cpp
index 447fbffaa..452212964 100644
--- a/src/core/internal_network/network.cpp
+++ b/src/core/internal_network/network.cpp
@@ -546,7 +546,7 @@ std::pair<s32, Errno> Socket::RecvFrom(int flags, std::vector<u8>& message, Sock
     return {-1, GetAndLogLastError()};
 }
 
-std::pair<s32, Errno> Socket::Send(const std::vector<u8>& message, int flags) {
+std::pair<s32, Errno> Socket::Send(std::span<const u8> message, int flags) {
     ASSERT(message.size() < static_cast<size_t>(std::numeric_limits<int>::max()));
     ASSERT(flags == 0);
 
@@ -559,7 +559,7 @@ std::pair<s32, Errno> Socket::Send(const std::vector<u8>& message, int flags) {
     return {-1, GetAndLogLastError()};
 }
 
-std::pair<s32, Errno> Socket::SendTo(u32 flags, const std::vector<u8>& message,
+std::pair<s32, Errno> Socket::SendTo(u32 flags, std::span<const u8> message,
                                      const SockAddrIn* addr) {
     ASSERT(flags == 0);
 
diff --git a/src/core/internal_network/socket_proxy.cpp b/src/core/internal_network/socket_proxy.cpp
index 1e1c42cea..7a77171c2 100644
--- a/src/core/internal_network/socket_proxy.cpp
+++ b/src/core/internal_network/socket_proxy.cpp
@@ -182,7 +182,7 @@ std::pair<s32, Errno> ProxySocket::ReceivePacket(int flags, std::vector<u8>& mes
     return {static_cast<u32>(read_bytes), Errno::SUCCESS};
 }
 
-std::pair<s32, Errno> ProxySocket::Send(const std::vector<u8>& message, int flags) {
+std::pair<s32, Errno> ProxySocket::Send(std::span<const u8> message, int flags) {
     LOG_WARNING(Network, "(STUBBED) called");
     ASSERT(message.size() < static_cast<size_t>(std::numeric_limits<int>::max()));
     ASSERT(flags == 0);
@@ -200,7 +200,7 @@ void ProxySocket::SendPacket(ProxyPacket& packet) {
     }
 }
 
-std::pair<s32, Errno> ProxySocket::SendTo(u32 flags, const std::vector<u8>& message,
+std::pair<s32, Errno> ProxySocket::SendTo(u32 flags, std::span<const u8> message,
                                           const SockAddrIn* addr) {
     ASSERT(flags == 0);
 
diff --git a/src/core/internal_network/socket_proxy.h b/src/core/internal_network/socket_proxy.h
index f12b5f567..9421492bc 100644
--- a/src/core/internal_network/socket_proxy.h
+++ b/src/core/internal_network/socket_proxy.h
@@ -4,6 +4,7 @@
 #pragma once
 
 #include <mutex>
+#include <span>
 #include <vector>
 #include <queue>
 
@@ -48,11 +49,11 @@ public:
     std::pair<s32, Errno> ReceivePacket(int flags, std::vector<u8>& message, SockAddrIn* addr,
                                         std::size_t max_length);
 
-    std::pair<s32, Errno> Send(const std::vector<u8>& message, int flags) override;
+    std::pair<s32, Errno> Send(std::span<const u8> message, int flags) override;
 
     void SendPacket(ProxyPacket& packet);
 
-    std::pair<s32, Errno> SendTo(u32 flags, const std::vector<u8>& message,
+    std::pair<s32, Errno> SendTo(u32 flags, std::span<const u8> message,
                                  const SockAddrIn* addr) override;
 
     Errno SetLinger(bool enable, u32 linger) override;
diff --git a/src/core/internal_network/sockets.h b/src/core/internal_network/sockets.h
index 2e328c645..4c7489258 100644
--- a/src/core/internal_network/sockets.h
+++ b/src/core/internal_network/sockets.h
@@ -5,6 +5,7 @@
 
 #include <map>
 #include <memory>
+#include <span>
 #include <utility>
 
 #if defined(_WIN32)
@@ -66,9 +67,9 @@ public:
     virtual std::pair<s32, Errno> RecvFrom(int flags, std::vector<u8>& message,
                                            SockAddrIn* addr) = 0;
 
-    virtual std::pair<s32, Errno> Send(const std::vector<u8>& message, int flags) = 0;
+    virtual std::pair<s32, Errno> Send(std::span<const u8> message, int flags) = 0;
 
-    virtual std::pair<s32, Errno> SendTo(u32 flags, const std::vector<u8>& message,
+    virtual std::pair<s32, Errno> SendTo(u32 flags, std::span<const u8> message,
                                          const SockAddrIn* addr) = 0;
 
     virtual Errno SetLinger(bool enable, u32 linger) = 0;
@@ -138,9 +139,9 @@ public:
 
     std::pair<s32, Errno> RecvFrom(int flags, std::vector<u8>& message, SockAddrIn* addr) override;
 
-    std::pair<s32, Errno> Send(const std::vector<u8>& message, int flags) override;
+    std::pair<s32, Errno> Send(std::span<const u8> message, int flags) override;
 
-    std::pair<s32, Errno> SendTo(u32 flags, const std::vector<u8>& message,
+    std::pair<s32, Errno> SendTo(u32 flags, std::span<const u8> message,
                                  const SockAddrIn* addr) override;
 
     Errno SetLinger(bool enable, u32 linger) override;