Merge branch 'msvc'

This topic branch provides compatibility for Windows, without the
MINGW32 dependency.

It is based on https://github.com/LibVNC/libvncserver/pull/22.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

compat/msvc/stdint.h

+// ISO C9x  compliant stdint.h for Microsoft Visual Studio
+// Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124 
+// 
+//  Copyright (c) 2006-2008 Alexander Chemeris
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+// 
+//   1. Redistributions of source code must retain the above copyright notice,
+//      this list of conditions and the following disclaimer.
+// 
+//   2. Redistributions in binary form must reproduce the above copyright
+//      notice, this list of conditions and the following disclaimer in the
+//      documentation and/or other materials provided with the distribution.
+// 
+//   3. The name of the author may be used to endorse or promote products
+//      derived from this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
+// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// 
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _MSC_VER // [
+#error "Use this header only with Microsoft Visual C++ compilers!"
+#endif // _MSC_VER ]
+
+#ifndef _MSC_STDINT_H_ // [
+#define _MSC_STDINT_H_
+
+#if _MSC_VER > 1000
+#pragma once
+#endif
+
+#include <limits.h>
+
+// For Visual Studio 6 in C++ mode and for many Visual Studio versions when
+// compiling for ARM we should wrap <wchar.h> include with 'extern "C++" {}'
+// or compiler give many errors like this:
+//   error C2733: second C linkage of overloaded function 'wmemchr' not allowed
+#ifdef __cplusplus
+extern "C" {
+#endif
+#  include <wchar.h>
+#ifdef __cplusplus
+}
+#endif
+
+// Define _W64 macros to mark types changing their size, like intptr_t.
+#ifndef _W64
+#  if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
+#     define _W64 __w64
+#  else
+#     define _W64
+#  endif
+#endif
+
+
+// 7.18.1 Integer types
+
+// 7.18.1.1 Exact-width integer types
+
+// Visual Studio 6 and Embedded Visual C++ 4 doesn't
+// realize that, e.g. char has the same size as __int8
+// so we give up on __intX for them.
+#if (_MSC_VER < 1300)
+   typedef char              int8_t;
+   typedef short             int16_t;
+   typedef int               int32_t;
+   typedef unsigned char     uint8_t;
+   typedef unsigned short    uint16_t;
+   typedef unsigned int      uint32_t;
+#else
+   typedef __int8            int8_t;
+   typedef __int16           int16_t;
+   typedef __int32           int32_t;
+   typedef unsigned __int8   uint8_t;
+   typedef unsigned __int16  uint16_t;
+   typedef unsigned __int32  uint32_t;
+#endif
+typedef __int64              int64_t;
+typedef unsigned __int64     uint64_t;
+
+
+// 7.18.1.2 Minimum-width integer types
+typedef int8_t    int_least8_t;
+typedef int16_t   int_least16_t;
+typedef int32_t   int_least32_t;
+typedef int64_t   int_least64_t;
+typedef uint8_t   uint_least8_t;
+typedef uint16_t  uint_least16_t;
+typedef uint32_t  uint_least32_t;
+typedef uint64_t  uint_least64_t;
+
+// 7.18.1.3 Fastest minimum-width integer types
+typedef int8_t    int_fast8_t;
+typedef int16_t   int_fast16_t;
+typedef int32_t   int_fast32_t;
+typedef int64_t   int_fast64_t;
+typedef uint8_t   uint_fast8_t;
+typedef uint16_t  uint_fast16_t;
+typedef uint32_t  uint_fast32_t;
+typedef uint64_t  uint_fast64_t;
+
+// 7.18.1.4 Integer types capable of holding object pointers
+#ifdef _WIN64 // [
+   typedef __int64           intptr_t;
+   typedef unsigned __int64  uintptr_t;
+#else // _WIN64 ][
+   typedef _W64 int               intptr_t;
+   typedef _W64 unsigned int      uintptr_t;
+#endif // _WIN64 ]
+
+// 7.18.1.5 Greatest-width integer types
+typedef int64_t   intmax_t;
+typedef uint64_t  uintmax_t;
+
+
+// 7.18.2 Limits of specified-width integer types
+
+#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [   See footnote 220 at page 257 and footnote 221 at page 259
+
+// 7.18.2.1 Limits of exact-width integer types
+#define INT8_MIN     ((int8_t)_I8_MIN)
+#define INT8_MAX     _I8_MAX
+#define INT16_MIN    ((int16_t)_I16_MIN)
+#define INT16_MAX    _I16_MAX
+#define INT32_MIN    ((int32_t)_I32_MIN)
+#define INT32_MAX    _I32_MAX
+#define INT64_MIN    ((int64_t)_I64_MIN)
+#define INT64_MAX    _I64_MAX
+#define UINT8_MAX    _UI8_MAX
+#define UINT16_MAX   _UI16_MAX
+#define UINT32_MAX   _UI32_MAX
+#define UINT64_MAX   _UI64_MAX
+
+// 7.18.2.2 Limits of minimum-width integer types
+#define INT_LEAST8_MIN    INT8_MIN
+#define INT_LEAST8_MAX    INT8_MAX
+#define INT_LEAST16_MIN   INT16_MIN
+#define INT_LEAST16_MAX   INT16_MAX
+#define INT_LEAST32_MIN   INT32_MIN
+#define INT_LEAST32_MAX   INT32_MAX
+#define INT_LEAST64_MIN   INT64_MIN
+#define INT_LEAST64_MAX   INT64_MAX
+#define UINT_LEAST8_MAX   UINT8_MAX
+#define UINT_LEAST16_MAX  UINT16_MAX
+#define UINT_LEAST32_MAX  UINT32_MAX
+#define UINT_LEAST64_MAX  UINT64_MAX
+
+// 7.18.2.3 Limits of fastest minimum-width integer types
+#define INT_FAST8_MIN    INT8_MIN
+#define INT_FAST8_MAX    INT8_MAX
+#define INT_FAST16_MIN   INT16_MIN
+#define INT_FAST16_MAX   INT16_MAX
+#define INT_FAST32_MIN   INT32_MIN
+#define INT_FAST32_MAX   INT32_MAX
+#define INT_FAST64_MIN   INT64_MIN
+#define INT_FAST64_MAX   INT64_MAX
+#define UINT_FAST8_MAX   UINT8_MAX
+#define UINT_FAST16_MAX  UINT16_MAX
+#define UINT_FAST32_MAX  UINT32_MAX
+#define UINT_FAST64_MAX  UINT64_MAX
+
+// 7.18.2.4 Limits of integer types capable of holding object pointers
+#ifdef _WIN64 // [
+#  define INTPTR_MIN   INT64_MIN
+#  define INTPTR_MAX   INT64_MAX
+#  define UINTPTR_MAX  UINT64_MAX
+#else // _WIN64 ][
+#  define INTPTR_MIN   INT32_MIN
+#  define INTPTR_MAX   INT32_MAX
+#  define UINTPTR_MAX  UINT32_MAX
+#endif // _WIN64 ]
+
+// 7.18.2.5 Limits of greatest-width integer types
+#define INTMAX_MIN   INT64_MIN
+#define INTMAX_MAX   INT64_MAX
+#define UINTMAX_MAX  UINT64_MAX
+
+// 7.18.3 Limits of other integer types
+
+#ifdef _WIN64 // [
+#  define PTRDIFF_MIN  _I64_MIN
+#  define PTRDIFF_MAX  _I64_MAX
+#else  // _WIN64 ][
+#  define PTRDIFF_MIN  _I32_MIN
+#  define PTRDIFF_MAX  _I32_MAX
+#endif  // _WIN64 ]
+
+#define SIG_ATOMIC_MIN  INT_MIN
+#define SIG_ATOMIC_MAX  INT_MAX
+
+#ifndef SIZE_MAX // [
+#  ifdef _WIN64 // [
+#     define SIZE_MAX  _UI64_MAX
+#  else // _WIN64 ][
+#     define SIZE_MAX  _UI32_MAX
+#  endif // _WIN64 ]
+#endif // SIZE_MAX ]
+
+// WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h>
+#ifndef WCHAR_MIN // [
+#  define WCHAR_MIN  0
+#endif  // WCHAR_MIN ]
+#ifndef WCHAR_MAX // [
+#  define WCHAR_MAX  _UI16_MAX
+#endif  // WCHAR_MAX ]
+
+#define WINT_MIN  0
+#define WINT_MAX  _UI16_MAX
+
+#endif // __STDC_LIMIT_MACROS ]
+
+
+// 7.18.4 Limits of other integer types
+
+#if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [   See footnote 224 at page 260
+
+// 7.18.4.1 Macros for minimum-width integer constants
+
+#define INT8_C(val)  val##i8
+#define INT16_C(val) val##i16
+#define INT32_C(val) val##i32
+#define INT64_C(val) val##i64
+
+#define UINT8_C(val)  val##ui8
+#define UINT16_C(val) val##ui16
+#define UINT32_C(val) val##ui32
+#define UINT64_C(val) val##ui64
+
+// 7.18.4.2 Macros for greatest-width integer constants
+#define INTMAX_C   INT64_C
+#define UINTMAX_C  UINT64_C
+
+#endif // __STDC_CONSTANT_MACROS ]
+
+
+#endif // _MSC_STDINT_H_ ]

compat/msvc/sys/time.h

+#pragma once
+
+//http://social.msdn.microsoft.com/Forums/en/vcgeneral/thread/430449b3-f6dd-4e18-84de-eebd26a8d668
+#include < time.h >
+#include <windows.h> //I've ommited this line.
+#if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
+  #define DELTA_EPOCH_IN_MICROSECS  11644473600000000Ui64
+#else
+  #define DELTA_EPOCH_IN_MICROSECS  11644473600000000ULL
+#endif
+
+struct timespec {
+
+time_t tv_sec; /* Seconds since 00:00:00 GMT, */
+
+/* 1 January 1970 */
+
+long tv_nsec; /* Additional nanoseconds since */
+
+/* tv_sec */
+
+};
+
+struct timezone
+{
+  int  tz_minuteswest; /* minutes W of Greenwich */
+  int  tz_dsttime;     /* type of dst correction */
+};
+
+static __inline int gettimeofday(struct timeval *tv, struct timezone *tz)
+{
+  FILETIME ft;
+  unsigned __int64 tmpres = 0;
+  static int tzflag;
+
+  if (NULL != tv)
+  {
+    GetSystemTimeAsFileTime(&ft);
+
+    tmpres |= ft.dwHighDateTime;
+    tmpres <<= 32;
+    tmpres |= ft.dwLowDateTime;
+
+    /*converting file time to unix epoch*/
+    tmpres -= DELTA_EPOCH_IN_MICROSECS;
+    tv->tv_sec = (long)(tmpres / 1000000UL);
+    tv->tv_usec = (long)(tmpres % 1000000UL);
+  }
+
+  if (NULL != tz)
+  {
+    if (!tzflag)
+    {
+      _tzset();
+      tzflag++;
+    }
+    tz->tz_minuteswest = _timezone / 60;
+    tz->tz_dsttime = _daylight;
+  }
+
+  return 0;
+}
\ No newline at end of file

compat/msvc/unistd.h

+#pragma once
+
+#include <process.h>

libvncclient/listen.c

@@ -27,11 +27,13 @@
 #endif
 #include <unistd.h>
 #include <sys/types.h>
-#ifdef __MINGW32__
+#ifdef WIN32
 #define close closesocket
 #include <winsock2.h>
+#ifdef _MINGW32
 #undef max
-#else
+#endif // #ifdef _MINGW32
+#else // #ifdef WIN32
 #include <sys/wait.h>
 #include <sys/utsname.h>
 #endif
@@ -46,7 +48,7 @@
 void
 listenForIncomingConnections(rfbClient* client)
 {
-#ifdef __MINGW32__
+#ifdef WIN32
   /* FIXME */
   rfbClientErr("listenForIncomingConnections on MinGW32 NOT IMPLEMENTED\n");
   return;

libvncclient/rfbproto.c

@@ -64,6 +64,10 @@
 #include "minilzo.h"
 #include "tls.h"
 
+#ifdef _MSC_VER
+#  define snprintf _snprintf
+#endif
+
 /*
  * rfbClientLog prints a time-stamped message to the log file (stderr).
  */

libvncclient/sockets.c

@@ -38,7 +38,9 @@
 #ifdef WIN32
 #undef SOCKET
 #include <winsock2.h>
+#ifdef MINGW32
 #define EWOULDBLOCK WSAEWOULDBLOCK
+#endif
 #define close closesocket
 #define read(sock,buf,len) recv(sock,buf,len,0)
 #define write(sock,buf,len) send(sock,buf,len,0)
@@ -57,6 +59,10 @@
 #endif
 #include "tls.h"
 
+#ifdef _MSC_VER
+#  define snprintf _snprintf
+#endif
+
 void PrintInHex(char *buf, int len);
 
 rfbBool errorMessageOnReadFailure = TRUE;
@@ -105,7 +111,7 @@ ReadFromRFBServer(rfbClient* client, char *out, unsigned int n)
 	  diff.tv_sec--;
 	  diff.tv_usec+=1000000;
         }
-#ifndef __MINGW32__
+#ifndef WIN32
         sleep (diff.tv_sec);
         usleep (diff.tv_usec);
 #else

libvncclient/tls_openssl.c

@@ -27,28 +27,57 @@
 #include <openssl/rand.h>
 #include <openssl/x509.h>
 
+#ifdef _MSC_VER
+typedef CRITICAL_SECTION MUTEX_TYPE;
+#define MUTEX_INIT(mutex) InitializeCriticalSection(&mutex)
+#define MUTEX_FREE(mutex) DeleteCriticalSection(&mutex)
+#define MUTEX_LOCK(mutex) EnterCriticalSection(&mutex)
+#define MUTEX_UNLOCK(mutex) LeaveCriticalSection(&mutex)
+#define CURRENT_THREAD_ID GetCurrentThreadId()
+#else
+typedef pthread_mutex_t MUTEX_TYPE;
+#define MUTEX_INIT(mutex) {\
+	pthread_mutexattr_t mutexAttr;\
+	pthread_mutexattr_init(&mutexAttr);\
+	pthread_mutexattr_settype(&mutexAttr, PTHREAD_MUTEX_RECURSIVE);\
+	pthread_mutex_init(&mutex, &mutexAttr);\
+}
+#define MUTEX_FREE(mutex) pthread_mutex_destroy(&mutex)
+#define MUTEX_LOCK(mutex) pthread_mutex_lock(&mutex)
+#define MUTEX_UNLOCK(mutex) pthread_mutex_unlock(&mutex)
+#define CURRENT_THREAD_ID pthread_self()
+#endif
+
+#ifndef _MSC_VER
 #include <pthread.h>
+#endif
 
 #include "tls.h"
 
+#ifdef _MSC_VER
+#include <BaseTsd.h> // That's for SSIZE_T
+typedef SSIZE_T ssize_t;
+#define snprintf _snprintf
+#endif
+
 static rfbBool rfbTLSInitialized = FALSE;
-static pthread_mutex_t *mutex_buf = NULL;
+static MUTEX_TYPE *mutex_buf = NULL;
 
 struct CRYPTO_dynlock_value {
-	pthread_mutex_t mutex;
+	MUTEX_TYPE mutex;
 };
 
 static void locking_function(int mode, int n, const char *file, int line)
 {
 	if (mode & CRYPTO_LOCK)
-		pthread_mutex_lock(&mutex_buf[n]);
+		MUTEX_LOCK(mutex_buf[n]);
 	else
-		pthread_mutex_unlock(&mutex_buf[n]);
+		MUTEX_UNLOCK(mutex_buf[n]);
 }
 
 static unsigned long id_function(void)
 {
-	return ((unsigned long) pthread_self());
+	return ((unsigned long) CURRENT_THREAD_ID);
 }
 
 static struct CRYPTO_dynlock_value *dyn_create_function(const char *file, int line)
@@ -59,7 +88,7 @@ static struct CRYPTO_dynlock_value *dyn_create_function(const char *file, int li
 		malloc(sizeof(struct CRYPTO_dynlock_value));
 	if (!value)
 		goto err;
-	pthread_mutex_init(&value->mutex, NULL);
+	MUTEX_INIT(value->mutex);
 
 	return value;
 
@@ -70,16 +99,16 @@ err:
 static void dyn_lock_function (int mode, struct CRYPTO_dynlock_value *l, const char *file, int line)
 {
 	if (mode & CRYPTO_LOCK)
-		pthread_mutex_lock(&l->mutex);
+		MUTEX_LOCK(l->mutex);
 	else
-		pthread_mutex_unlock(&l->mutex);
+		MUTEX_UNLOCK(l->mutex);
 }
 
 
 static void
 dyn_destroy_function(struct CRYPTO_dynlock_value *l, const char *file, int line)
 {
-	pthread_mutex_destroy(&l->mutex);
+	MUTEX_FREE(l->mutex);
 	free(l);
 }
 
@@ -117,14 +146,14 @@ InitializeTLS(void)
 
   if (rfbTLSInitialized) return TRUE;
 
-  mutex_buf = malloc(CRYPTO_num_locks() * sizeof(pthread_mutex_t));
+  mutex_buf = malloc(CRYPTO_num_locks() * sizeof(MUTEX_TYPE));
   if (mutex_buf == NULL) {
     rfbClientLog("Failed to initialized OpenSSL: memory.\n");
     return (-1);
   }
 
   for (i = 0; i < CRYPTO_num_locks(); i++)
-    pthread_mutex_init(&mutex_buf[i], NULL);
+    MUTEX_INIT(mutex_buf[i]);
 
   CRYPTO_set_locking_callback(locking_function);
   CRYPTO_set_id_callback(id_function);
@@ -145,7 +174,6 @@ ssl_verify (int ok, X509_STORE_CTX *ctx)
 {
   unsigned char md5sum[16], fingerprint[40], *f;
   rfbClient *client;
-  char *prompt, *cert_str;
   int err, i;
   unsigned int md5len;
   //char buf[257];
@@ -194,7 +222,7 @@ static int sock_read_ready(SSL *ssl, uint32_t ms)
 	FD_SET(SSL_get_fd(ssl), &fds);
 
 	tv.tv_sec = ms / 1000;
-	tv.tv_usec = (ms % 1000) * 1000;
+	tv.tv_usec = (ms % 1000) * ms;
 	
 	r = select (SSL_get_fd(ssl) + 1, &fds, NULL, NULL, &tv); 
 
@@ -203,8 +231,6 @@ static int sock_read_ready(SSL *ssl, uint32_t ms)
 
 static int wait_for_data(SSL *ssl, int ret, int timeout)
 {
-  struct timeval tv;
-  fd_set fds;
   int err;
   int retval = 1;
 
@@ -237,7 +263,6 @@ open_ssl_connection (rfbClient *client, int sockfd, rfbBool anonTLS)
   SSL_CTX *ssl_ctx = NULL;
   SSL *ssl = NULL;
   int n, finished = 0;
-  BIO *sbio;
 
   ssl_ctx = SSL_CTX_new (SSLv23_client_method ());
   SSL_CTX_set_default_verify_paths (ssl_ctx);
@@ -276,8 +301,6 @@ open_ssl_connection (rfbClient *client, int sockfd, rfbBool anonTLS)
 static rfbBool
 InitializeTLSSession(rfbClient* client, rfbBool anonTLS)
 {
-  int ret;
-
   if (client->tlsSession) return TRUE;
 
   client->tlsSession = open_ssl_connection (client, client->sock, anonTLS);
@@ -310,7 +333,11 @@ return TRUE;
     if (ret != -1)
     {
       rfbClientLog("TLS handshake blocking.\n");
-      sleep(1);
+#ifdef WIN32
+      Sleep(1000);
+#else
+	  sleep(1);
+#endif
       timeout--;
       continue;
     }
@@ -415,7 +442,6 @@ HandleVeNCryptAuth(rfbClient* client)
   uint32_t authScheme;
   rfbBool anonTLS;
 //  gnutls_certificate_credentials_t x509_cred = NULL;
-  int ret;
 
   if (!InitializeTLS()) return FALSE;
 
@@ -577,7 +603,7 @@ void FreeTLS(rfbClient* client)
     CRYPTO_set_id_callback(NULL);
 
     for (i = 0; i < CRYPTO_num_locks(); i++)
-      pthread_mutex_destroy(&mutex_buf[i]);
+      MUTEX_FREE(mutex_buf[i]);
     free(mutex_buf);
     mutex_buf = NULL;
   }

libvncclient/vncviewer.c

@@ -21,6 +21,11 @@
  * vncviewer.c - the Xt-based VNC viewer.
  */
 
+#ifdef WIN32
+#undef SOCKET
+#include <winsock2.h>
+#endif
+
 #ifdef __STRICT_ANSI__
 #define _BSD_SOURCE
 #define _POSIX_SOURCE
@@ -40,12 +45,10 @@ static rfbBool DummyPoint(rfbClient* client, int x, int y) {
 static void DummyRect(rfbClient* client, int x, int y, int w, int h) {
 }
 
-#ifdef __MINGW32__
+#ifdef WIN32
 static char* NoPassword(rfbClient* client) {
   return strdup("");
 }
-#undef SOCKET
-#include <winsock2.h>
 #define close closesocket
 #else
 #include <stdio.h>
@@ -53,9 +56,9 @@ static char* NoPassword(rfbClient* client) {
 #endif
 
 static char* ReadPassword(rfbClient* client) {
-#ifdef __MINGW32__
+#ifdef WIN32
 	/* FIXME */
-	rfbClientErr("ReadPassword on MinGW32 NOT IMPLEMENTED\n");
+	rfbClientErr("ReadPassword on Windows NOT IMPLEMENTED\n");
 	return NoPassword(client);
 #else
 	int i;

libvncclient/zrle.c

@@ -189,7 +189,7 @@ HandleZRLE (rfbClient* client, int rx, int ry, int rw, int rh)
 	} /* while ( remaining > 0 ) */
 
 	if ( inflateResult == Z_OK ) {
-		void* buf=client->raw_buffer;
+		char* buf=client->raw_buffer;
 		int i,j;
 
 		remaining = client->raw_buffer_size-client->decompStream.avail_out;

rfb/rfbproto.h

@@ -65,7 +65,7 @@
 #define LIBVNCSERVER_WORDS_BIGENDIAN
 #define rfbBool int
 #include <sys/timeb.h>
-#include <winsock.h>
+#include <winsock2.h>
 #undef SOCKET
 #define SOCKET int
 #else
@@ -108,6 +108,10 @@ typedef int8_t rfbBool;
 #define TRUE -1
 #endif
 
+#ifdef _MSC_VER
+#include <stdint.h>
+#endif
+
 typedef uint32_t rfbKeySym;
 typedef uint32_t rfbPixel;