Selected changes for MSDOS, contributed by Gisle Vanem <giva@bgnett.no>.

PR: 669

apps/s_apps.h

@@ -112,6 +112,14 @@
 #include <sys/types.h>
 #include <openssl/opensslconf.h>
 
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
+#include <conio.h>
+#endif
+
+#ifdef OPENSSL_SYS_MSDOS
+#define _kbhit kbhit
+#endif
+
 #if defined(OPENSSL_SYS_VMS) && !defined(FD_SET)
 /* VAX C does not defined fd_set and friends, but it's actually quite simple */
 /* These definitions are borrowed from SOCKETSHR.	/Richard Levitte */

apps/s_client.c

@@ -136,10 +136,6 @@ typedef unsigned int u_int;
 #include <openssl/rand.h>
 #include "s_apps.h"
 
-#ifdef OPENSSL_SYS_WINDOWS
-#include <conio.h>
-#endif
-
 #ifdef OPENSSL_SYS_WINCE
 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
 #ifdef fileno
@@ -260,7 +256,7 @@ int MAIN(int argc, char **argv)
 	char *engine_id=NULL;
 	ENGINE *e=NULL;
 #endif
-#ifdef OPENSSL_SYS_WINDOWS
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
 	struct timeval tv;
 #endif
 
@@ -644,7 +640,7 @@ re_start:
 
 		if (!ssl_pending)
 			{
-#ifndef OPENSSL_SYS_WINDOWS
+#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
 			if (tty_on)
 				{
 				if (read_tty)  FD_SET(fileno(stdin),&readfds);
@@ -671,8 +667,8 @@ re_start:
 			 * will choke the compiler: if you do have a cast then
 			 * you can either go for (int *) or (void *).
 			 */
-#ifdef OPENSSL_SYS_WINDOWS
-			/* Under Windows we make the assumption that we can
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
+                        /* Under Windows/DOS we make the assumption that we can
 			 * always write to the tty: therefore if we need to
 			 * write to the tty we just fall through. Otherwise
 			 * we timeout the select every second and see if there
@@ -686,7 +682,7 @@ re_start:
 					tv.tv_usec = 0;
 					i=select(width,(void *)&readfds,(void *)&writefds,
 						 NULL,&tv);
-#ifdef OPENSSL_SYS_WINCE
+#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
 					if(!i && (!_kbhit() || !read_tty) ) continue;
 #else
 					if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
@@ -855,8 +851,8 @@ printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240
 				}
 			}
 
-#ifdef OPENSSL_SYS_WINDOWS
-#ifdef OPENSSL_SYS_WINCE
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
+#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
 		else if (_kbhit())
 #else
 		else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))

apps/s_server.c

@@ -151,10 +151,6 @@ typedef unsigned int u_int;
 #include <openssl/rand.h>
 #include "s_apps.h"
 
-#ifdef OPENSSL_SYS_WINDOWS
-#include <conio.h>
-#endif
-
 #ifdef OPENSSL_SYS_WINCE
 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
 #ifdef fileno
@@ -1001,7 +997,7 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 	unsigned long l;
 	SSL *con=NULL;
 	BIO *sbio;
-#ifdef OPENSSL_SYS_WINDOWS
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
 	struct timeval tv;
 #endif
 
@@ -1075,7 +1071,7 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 		if (!read_from_sslcon)
 			{
 			FD_ZERO(&readfds);
-#ifndef OPENSSL_SYS_WINDOWS
+#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
 			FD_SET(fileno(stdin),&readfds);
 #endif
 			FD_SET(s,&readfds);
@@ -1085,8 +1081,8 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 			 * the compiler: if you do have a cast then you can either
 			 * go for (int *) or (void *).
 			 */
-#ifdef OPENSSL_SYS_WINDOWS
-			/* Under Windows we can't select on stdin: only
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
+                        /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
 			 * on sockets. As a workaround we timeout the select every
 			 * second and check for any keypress. In a proper Windows
 			 * application we wouldn't do this because it is inefficient.