5 files changed, 19 insertions, 24 deletions
diff --git a/lib/config-amigaos.h b/lib/config-amigaos.h
index 3da27426d..189a0a6a0 100644
--- a/lib/config-amigaos.h
+++ b/lib/config-amigaos.h
@@ -26,6 +26,7 @@
 #ifdef __AMIGA__ /* Any AmigaOS flavour */
 
 #define HAVE_ARPA_INET_H 1
+#define HAVE_CLOSESOCKET_CAMEL 1
 #define HAVE_GETHOSTBYADDR 1
 #define HAVE_INET_ADDR 1
 #define HAVE_INTTYPES_H 1
diff --git a/lib/config.dos b/lib/config.dos
index 26f25fd51..df4809133 100644
--- a/lib/config.dos
+++ b/lib/config.dos
@@ -155,6 +155,11 @@
   #define HAVE_SYS_TIME_H 1
 #endif
 
+#ifdef MSDOS  /* Watt-32 */
+  #define HAVE_CLOSESOCKET_CAMEL  1
+  #define CloseSocket(s)          close_s((s))
+#endif
+
 #undef word
 #undef byte
 
diff --git a/lib/memdebug.h b/lib/memdebug.h
index 4c84247b1..96cf4ad38 100644
--- a/lib/memdebug.h
+++ b/lib/memdebug.h
@@ -116,9 +116,6 @@ CURL_EXTERN int curl_fclose(FILE *file, int line, const char *source);
 /* sclose is probably already defined, redefine it! */
 #undef sclose
 #define sclose(sockfd) curl_sclose(sockfd,__LINE__,__FILE__)
-/* ares-adjusted define: */
-#undef closesocket
-#define closesocket(sockfd) curl_sclose(sockfd,__LINE__,__FILE__)
 
 #undef fopen
 #define fopen(file,mode) curl_fopen(file,mode,__LINE__,__FILE__)
diff --git a/lib/setup.h b/lib/setup.h
index 1ca3e9b9d..25ca451f3 100644
--- a/lib/setup.h
+++ b/lib/setup.h
@@ -341,7 +341,6 @@
 #endif
 
 /* Below we define some functions. They should
-   1. close a socket
 
    4. set the SIGALRM signal timeout
    5. set dir/file naming defines
@@ -349,12 +348,6 @@
 
 #ifdef WIN32
 
-#  if !defined(__CYGWIN__)
-#    define sclose(x) closesocket(x)
-#  else
-#    define sclose(x) close(x)
-#  endif
-
 #  define DIR_CHAR      "\\"
 #  define DOT_CHAR      "_"
 
@@ -363,7 +356,6 @@
 #  ifdef MSDOS  /* Watt-32 */
 
 #    include <sys/ioctl.h>
-#    define sclose(x)         close_s(x)
 #    define select(n,r,w,x,t) select_s(n,r,w,x,t)
 #    define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z))
 #    include <tcp.h>
@@ -374,21 +366,8 @@
 #      undef byte
 #    endif
 
-#  else /* MSDOS */
-
-#    ifdef __BEOS__
-#      define sclose(x) closesocket(x)
-#    else /* __BEOS__ */
-#      define sclose(x) close(x)
-#    endif /* __BEOS__ */
-
 #  endif /* MSDOS */
 
-#  ifdef _AMIGASF
-#    undef sclose
-#    define sclose(x) CloseSocket(x)
-#  endif
-
 #  ifdef __minix
      /* Minix 3 versions up to at least 3.1.3 are missing these prototypes */
      extern char * strtok_r(char *s, const char *delim, char **last);
diff --git a/lib/setup_once.h b/lib/setup_once.h
index 4c4d3f599..9ad69e58d 100644
--- a/lib/setup_once.h
+++ b/lib/setup_once.h
@@ -230,6 +230,19 @@ struct timeval {
 
 
 /*
+ * 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.
  */