X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Usermode%2FApplications%2Ftelnet_src%2Fmain.c;h=708935d19a79a170e310ff219b5eecb50ff7de14;hb=ee247b1e92a4a92eb0fa8f842e34e454b47b8327;hp=d1f8d1754a8aa2c0800a6ce4ff03d5fd9902f228;hpb=954abc650a400e5d8798ed3565a02645a9eeec55;p=tpg%2Facess2.git

diff --git a/Usermode/Applications/telnet_src/main.c b/Usermode/Applications/telnet_src/main.c
index d1f8d175..708935d1 100644
--- a/Usermode/Applications/telnet_src/main.c
+++ b/Usermode/Applications/telnet_src/main.c
@@ -7,8 +7,6 @@
 #include <readline.h>
 #include <string.h>
 
-#define BUFSIZ	128
-
 // === PROTOTYPES ===
  int	main(int argc, char *argv[], char *envp[]);
  int	OpenTCP(const char *AddressString, short PortNumber);
@@ -20,9 +18,20 @@ int main(int argc, char *argv[], char *envp[])
 	 int	client_running = 1;
 	 int	bUseReadline = !!argv[3];	// HACK: If third argument is present, use ReadLine
 	tReadline	*readline_info;
+	 int	port;
+	
+	if( argc < 2 || argc > 3 ) {
+		fprintf(stderr, "Usage: telnet <host> [<port>]\n Port defaults to 23\n");
+		return 0;
+	}
+	
+	if(argc == 3)
+		port = atoi(argv[2]);
+	else
+		port = 23;
 	
 	// Connect to the remove server
-	server_fd = OpenTCP( argv[1], atoi(argv[2]) );
+	server_fd = OpenTCP( argv[1], port );
 	if( server_fd == -1 ) {
 		fprintf(stderr, "Unable to create socket\n");
 		return -1;
@@ -53,8 +62,8 @@ int main(int argc, char *argv[], char *envp[])
 			// Read from server, and write to stdout
 			do
 			{
-				len = read(server_fd, BUFSIZ, buffer);
-				write(1, len, buffer);
+				len = _SysRead(server_fd, buffer, BUFSIZ);
+				_SysWrite(1, buffer, len);
 			} while( len == BUFSIZ );
 		}
 		
@@ -67,17 +76,17 @@ int main(int argc, char *argv[], char *envp[])
 				char	*line = Readline_NonBlock(readline_info);
 				if( line )
 				{
-					write(server_fd, strlen(line), line);
-					write(server_fd, 1, "\n");
+					_SysWrite(server_fd, line, strlen(line));
+					_SysWrite(server_fd, "\n", 1);
 				}
 			}
 			else
 			{
 				do
 				{
-					len = read(0, BUFSIZ, buffer);
-					write(server_fd, len, buffer);
-					write(1, len, buffer);
+					len = _SysRead(0, buffer, BUFSIZ);
+					_SysWrite(server_fd, buffer, len);
+					_SysWrite(1, buffer, len);
 				} while( len == BUFSIZ );
 			}
 		}
@@ -90,7 +99,7 @@ int main(int argc, char *argv[], char *envp[])
 		}
 	}
 	
-	close(server_fd);
+	_SysClose(server_fd);
 	return 0;
 }
 
@@ -118,11 +127,11 @@ int OpenTCP(const char *AddressString, short PortNumber)
 	}
 	
 	// Set remote port and address
-	ioctl(fd, 5, &PortNumber);
-	ioctl(fd, 6, addrBuffer);
+	_SysIOCtl(fd, 5, &PortNumber);
+	_SysIOCtl(fd, 6, addrBuffer);
 	
 	// Connect
-	if( ioctl(fd, 7, NULL) == 0 ) {
+	if( _SysIOCtl(fd, 7, NULL) == 0 ) {
 		fprintf(stderr, "Unable to start connection\n");
 		return -1;
 	}