This _WIN32-specific patch makes it possible to "wrap" OpenSSL in another

.DLL, in particular static build. The issue has been discussed in RT#1230
and later on openssl-dev, and mutually exclusive approaches were suggested.
This completes compromise solution suggested in RT#1230.
PR: 1230

crypto/bio/bss_file.c

@@ -279,7 +279,7 @@ static long MS_CALLBACK file_ctrl(BIO *b, int cmd, long num, void *ptr)
 #endif
 		{
 #if defined(OPENSSL_SYS_WINDOWS)
-		int fd = fileno((FILE*)ptr);
+		int fd = _fileno((FILE*)ptr);
 		if (num & BIO_FP_TEXT)
 			_setmode(fd,_O_TEXT);
 		else

crypto/des/enc_read.c

@@ -150,7 +150,11 @@ int DES_enc_read(int fd, void *buf, int len, DES_key_schedule *sched,
 	/* first - get the length */
 	while (net_num < HDRSIZE) 
 		{
+#ifndef _WIN32
 		i=read(fd,(void *)&(net[net_num]),HDRSIZE-net_num);
+#else
+		i=_read(fd,(void *)&(net[net_num]),HDRSIZE-net_num);
+#endif
 #ifdef EINTR
 		if ((i == -1) && (errno == EINTR)) continue;
 #endif

crypto/des/enc_writ.c

@@ -156,7 +156,11 @@ int DES_enc_write(int fd, const void *_buf, int len,
 		{
 		/* eay 26/08/92 I was not doing writing from where we
 		 * got up to. */
+#ifndef _WIN32
 		i=write(fd,(void *)&(outbuf[j]),outnum-j);
+#else
+		i=_write(fd,(void *)&(outbuf[j]),outnum-j);
+#endif
 		if (i == -1)
 			{
 #ifdef EINTR

crypto/ocsp/ocsp_ht.c

@@ -56,11 +56,12 @@
  *
  */
 
-#include <openssl/asn1.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <ctype.h>
 #include <string.h>
+#include "e_os.h"
+#include <openssl/asn1.h>
 #include <openssl/ocsp.h>
 #include <openssl/err.h>
 #include <openssl/buffer.h>

crypto/rand/randfile.c

@@ -79,6 +79,13 @@
 # include <sys/stat.h>
 #endif
 
+#ifdef _WIN32
+#define stat	_stat
+#define chmod	_chmod
+#define open	_open
+#define fdopen	_fdopen
+#endif
+
 #undef BUFSIZE
 #define BUFSIZE	1024
 #define RAND_DATA 1024

crypto/ui/ui_openssl.c

@@ -677,6 +677,8 @@ static int noecho_fgets(char *buf, int size, FILE *tty)
 		size--;
 #ifdef WIN16TTY
 		i=_inchar();
+#elif defined(_WIN32)
+		i=_getch();
 #else
 		i=getch();
 #endif

crypto/x509/by_dir.c

@@ -392,6 +392,9 @@ static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
 					postfix,k);
 				}
 #ifndef OPENSSL_NO_POSIX_IO
+#ifdef _WIN32
+#define stat _stat
+#endif
 			{
 			struct stat st;
 			if (stat(b->data,&st) < 0)

e_os.h

@@ -285,6 +285,7 @@ extern "C" {
        /* yes, they have to be #included prior <windows.h> */
 #    endif
 #    include <windows.h>
+#    include <stdio.h>
 #    include <stddef.h>
 #    include <errno.h>
 #    include <string.h>
@@ -300,13 +301,38 @@ static unsigned int _strlen31(const char *str)
 #    endif
 #    include <malloc.h>
 #    if defined(_MSC_VER) && _MSC_VER<=1200 && defined(_MT) && defined(isspace)
-       /* compensate for bug is VC6 ctype.h */
+       /* compensate for bug in VC6 ctype.h */
 #      undef isspace
 #      undef isdigit
 #      undef isalnum
 #      undef isupper
 #      undef isxdigit
 #    endif
+#    if defined(_MSC_VER) && !defined(_DLL) && defined(stdin)
+#      if _MSC_VER>=1300
+#        undef stdin
+#        undef stdout
+#        undef stderr
+         FILE *__iob_func();
+#        define stdin  (&__iob_func()[0])
+#        define stdout (&__iob_func()[1])
+#        define stderr (&__iob_func()[2])
+#      elif defined(I_CAN_LIVE_WITH_LNK4049)
+#        undef stdin
+#        undef stdout
+#        undef stderr
+         /* pre-1300 has __p__iob(), but it's available only in msvcrt.lib,
+          * or in other words with /MD. Declaring implicit import, i.e.
+          * with _imp_ prefix, works correctly with all compiler options,
+	  * but without /MD results in LINK warning LNK4049:
+	  * 'locally defined symbol "__iob" imported'.
+          */
+         extern FILE *_imp___iob;
+#        define stdin  (&_imp___iob[0])
+#        define stdout (&_imp___iob[1])
+#        define stderr (&_imp___iob[2])
+#      endif
+#    endif
 #  endif
 #  include <io.h>
 #  include <fcntl.h>

engines/e_aep.c

@@ -867,10 +867,12 @@ static AEP_RV aep_get_connection(AEP_CONNECTION_HNDL_PTR phConnection)
 
 	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
 
-#ifndef NETWARE_CLIB
-	curr_pid = getpid();
-#else
+#ifdef NETWARE_CLIB
 	curr_pid = GetThreadID();
+#elif defined(_WIN32)
+	curr_pid = _getpid();
+#else
+	curr_pid = getpid();
 #endif
 
 	/*Check if this is the first time this is being called from the current