Fix Compile Error On Windows (Visual Studio)

async.c

@@ -32,7 +32,12 @@
 #include "fmacros.h"
 #include <stdlib.h>
 #include <string.h>
+#ifndef _WIN32
 #include <strings.h>
+#else
+#define strcasecmp stricmp
+#define strncasecmp  strnicmp
+#endif
 #include <assert.h>
 #include <ctype.h>
 #include <errno.h>

hiredis.h

@@ -35,7 +35,11 @@
 #define __HIREDIS_H
 #include "read.h"
 #include <stdarg.h> /* for va_list */
+#ifndef _WIN32
 #include <sys/time.h> /* for struct timeval */
+#else
+#include <winsock2.h>
+#endif
 #include <stdint.h> /* uintXX_t, etc */
 #include "sds.h" /* for sds */
 

sds.h

@@ -34,6 +34,9 @@
 #define __SDS_H
 
 #define SDS_MAX_PREALLOC (1024*1024)
+#ifdef _WIN32
+#define __attribute__(x)
+#endif
 
 #include <sys/types.h>
 #include <stdarg.h>

sockcompat.h

@@ -50,6 +50,8 @@
 #include <ws2tcpip.h>
 #include <stddef.h>
 
+typedef signed long ssize_t;
+
 /* Emulate the parts of the BSD socket API that we need (override the winsock signatures). */
 int win32_getaddrinfo(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res);
 const char *win32_gai_strerror(int errcode);