From 30740ca4131d1f574718262451b4410207dc8d4e Mon Sep 17 00:00:00 2001
From: Mitya Selivanov <automainint@guattari.tech>
Date: Sun, 14 Jul 2024 21:12:37 +0200
Subject: Reworking the build system

---
 kit/sockets.h | 107 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 kit/sockets.h

(limited to 'kit/sockets.h')

diff --git a/kit/sockets.h b/kit/sockets.h
new file mode 100644
index 0000000..276ecc5
--- /dev/null
+++ b/kit/sockets.h
@@ -0,0 +1,107 @@
+#ifndef KIT_SOCKETS_H
+#define KIT_SOCKETS_H
+
+#include "types.h"
+#include "status.h"
+
+#ifndef KIT_DISABLE_SYSTEM_SOCKETS
+#  ifdef __GNUC__
+#    pragma GCC diagnostic push
+#    pragma GCC diagnostic ignored "-Wunused-function"
+#    pragma GCC diagnostic ignored "-Wunknown-pragmas"
+#  endif
+
+#  ifdef __cplusplus
+extern "C" {
+#  endif
+
+#  if defined(_WIN32) && !defined(__CYGWIN__)
+
+#    define WIN32_LEAN_AND_MEAN
+#    include <winsock2.h>
+#    include <ws2tcpip.h>
+
+#    define socket_t SOCKET
+#    define socklen_t i32
+
+static s32 kit_sockets_init(void) {
+  WSADATA data;
+  memset(&data, 0, sizeof data);
+  WORD version = MAKEWORD(2, 2);
+  return WSAStartup(version, &data) == ERROR_SUCCESS
+             ? KIT_OK
+             : KIT_ERROR_SOCKETS_STARTUP_FAILED;
+}
+
+static s32 kit_sockets_cleanup(void) {
+  WSACleanup();
+  return KIT_OK;
+}
+
+static i32 kit_socket_set_blocking(socket_t s) {
+  u_long flag = 0;
+  return ioctlsocket(s, FIONBIO, &flag) == 0
+             ? KIT_OK
+             : KIT_ERROR_SOCKET_CONTROL_FAILED;
+}
+
+static i32 kit_socket_set_nonblocking(socket_t s) {
+  u_long flag = 1;
+  return ioctlsocket(s, FIONBIO, &flag) == 0
+             ? KIT_OK
+             : KIT_ERROR_SOCKET_CONTROL_FAILED;
+}
+
+#  else
+
+#    include <arpa/inet.h>
+#    include <errno.h>
+#    include <fcntl.h>
+#    include <netinet/in.h>
+#    include <signal.h>
+#    include <sys/ioctl.h>
+#    include <sys/select.h>
+#    include <sys/socket.h>
+#    include <sys/types.h>
+#    include <unistd.h>
+#    include <netdb.h>
+
+#    define socket_t i32
+#    define closesocket close
+#    define INVALID_SOCKET -1
+
+static s32 kit_sockets_init(void) {
+  signal(SIGPIPE, SIG_IGN);
+  return KIT_OK;
+}
+
+static s32 kit_sockets_cleanup(void) {
+  return KIT_OK;
+}
+
+static i32 kit_socket_set_blocking(socket_t s) {
+  i32 flags = fcntl(s, F_GETFL, 0);
+  return fcntl(s, F_SETFL, flags & ~O_NONBLOCK) == 0
+             ? KIT_OK
+             : KIT_ERROR_SOCKET_CONTROL_FAILED;
+}
+
+static i32 kit_socket_set_nonblocking(socket_t s) {
+  i32 flags = fcntl(s, F_GETFL, 0);
+  return fcntl(s, F_SETFL, flags | O_NONBLOCK) == 0
+             ? KIT_OK
+             : KIT_ERROR_SOCKET_CONTROL_FAILED;
+}
+
+#  endif
+
+#  ifdef __cplusplus
+}
+#  endif
+
+#  ifdef __GNUC__
+#    pragma GCC diagnostic pop
+#  endif
+#endif
+
+#endif
-- 
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