sclose() function-like macro definition used to close a socket,

ares__close_sockets.c

@@ -54,14 +54,14 @@ void ares__close_sockets(ares_channel channel, struct server_state *server)
   if (server->tcp_socket != ARES_SOCKET_BAD)
     {
       SOCK_STATE_CALLBACK(channel, server->tcp_socket, 0, 0);
-      closesocket(server->tcp_socket);
+      sclose(server->tcp_socket);
       server->tcp_socket = ARES_SOCKET_BAD;
       server->tcp_connection_generation = ++channel->tcp_connection_generation;
     }
   if (server->udp_socket != ARES_SOCKET_BAD)
     {
       SOCK_STATE_CALLBACK(channel, server->udp_socket, 0, 0);
-      closesocket(server->udp_socket);
+      sclose(server->udp_socket);
       server->udp_socket = ARES_SOCKET_BAD;
     }
 }

ares_private.h

@@ -4,7 +4,7 @@
 /* $Id$ */
 
 /* Copyright 1998 by the Massachusetts Institute of Technology.
- * Copyright (C) 2004-2008 by Daniel Stenberg
+ * Copyright (C) 2004-2009 by Daniel Stenberg
  *
  * Permission to use, copy, modify, and distribute this
  * software and its documentation for any purpose and without
@@ -32,16 +32,11 @@
 
 #if !defined(WIN32) || defined(WATT32)
 #include <netinet/in.h>
-/* We define closesocket() here so that we can use this function all over
-   the source code for closing sockets. */
-#define closesocket(x) close(x)
 #endif
 
 #ifdef WATT32
 #include <tcp.h>
 #include <sys/ioctl.h>
-#undef  closesocket
-#define closesocket(s)    close_s(s)
 #define writev(s,v,c)     writev_s(s,v,c)
 #define HAVE_WRITEV 1
 #endif

ares_process.c

@@ -896,7 +896,7 @@ static int open_tcp_socket(ares_channel channel, struct server_state *server)
   /* Configure it. */
   if (configure_socket(s, channel) < 0)
     {
-       closesocket(s);
+       sclose(s);
        return -1;
     }
 
@@ -911,7 +911,7 @@ static int open_tcp_socket(ares_channel channel, struct server_state *server)
   if (setsockopt(s, IPPROTO_TCP, TCP_NODELAY,
                  (void *)&opt, sizeof(opt)) == -1)
     {
-       closesocket(s);
+       sclose(s);
        return -1;
     }
 #endif
@@ -927,7 +927,7 @@ static int open_tcp_socket(ares_channel channel, struct server_state *server)
 
       if (err != EINPROGRESS && err != EWOULDBLOCK)
         {
-          closesocket(s);
+          sclose(s);
           return -1;
         }
     }
@@ -938,7 +938,7 @@ static int open_tcp_socket(ares_channel channel, struct server_state *server)
                                         channel->sock_create_cb_data);
       if (err < 0)
         {
-          closesocket(s);
+          sclose(s);
           return err;
         }
     }
@@ -963,7 +963,7 @@ static int open_udp_socket(ares_channel channel, struct server_state *server)
   /* Set the socket non-blocking. */
   if (configure_socket(s, channel) < 0)
     {
-       closesocket(s);
+       sclose(s);
        return -1;
     }
 
@@ -978,7 +978,7 @@ static int open_udp_socket(ares_channel channel, struct server_state *server)
 
       if (err != EINPROGRESS && err != EWOULDBLOCK)
         {
-          closesocket(s);
+          sclose(s);
           return -1;
         }
     }
@@ -989,7 +989,7 @@ static int open_udp_socket(ares_channel channel, struct server_state *server)
                                         channel->sock_create_cb_data);
       if (err < 0)
         {
-          closesocket(s);
+          sclose(s);
           return err;
         }
     }

config.dos

@@ -154,6 +154,7 @@
   #define HAVE_AF_INET6                    1
   #define HAVE_ARPA_INET_H                 1
   #define HAVE_ARPA_NAMESER_H              1
+  #define HAVE_CLOSESOCKET_CAMEL           1
   #define HAVE_GETHOSTNAME                 1
   #define HAVE_NETDB_H                     1
   #define HAVE_NETINET_IN_H                1
@@ -167,6 +168,7 @@
   #define HAVE_SYS_UIO_H                   1
   #define NS_INADDRSZ                      4
   #define HAVE_STRUCT_SOCKADDR_IN6         1
+  #define CloseSocket(s)  close_s((s))
 #endif
 
 #undef word

setup_once.h

@@ -222,6 +222,19 @@ struct timeval {
 #endif /* if 0 */
 
 
+/*
+ * Function-like macro definition used to close a socket.
+ */
+
+#if defined(HAVE_CLOSESOCKET)
+#  define sclose(x)  closesocket((x))
+#elif defined(HAVE_CLOSESOCKET_CAMEL)
+#  define sclose(x)  CloseSocket((x))
+#else
+#  define sclose(x)  close((x))
+#endif
+
+
 /*
  * Uppercase macro versions of ANSI/ISO is*() functions/macros which
  * avoid negative number inputs with argument byte codes > 127.