fix many build errors, wanrings and deprecations

src/med/buffer.d

@@ -251,8 +251,8 @@ int makelist()
         int    nbytes;
         int    s;
         int    type;
-        char  b[6+1];
-        char  line[128];
+        char[6+1] b;
+        char[128] line;
 
         blistp.b_flag &= ~BFCHG;               /* Don't complain!      */
         if ((s=buffer_clear(blistp)) != TRUE)         /* Blow old text away   */

src/med/console.d

@@ -187,7 +187,7 @@ void updateline(int row,attchar_t[] buffer,attchar_t[] physical)
     int col;
     int numcols;
     CHAR_INFO *psb;
-    CHAR_INFO sbbuf[256];
+    CHAR_INFO[256] sbbuf;
     CHAR_INFO *sb;
     COORD sbsize;
     static COORD sbcoord;

src/med/disp.d

@@ -31,7 +31,7 @@ struct disp_t
     ubyte mode;
     ubyte inited;
     ubyte ega;
-    ubyte reserved[3];
+    ubyte[3] reserved;
     short nowrap;
 
     union

src/med/display.d

@@ -34,7 +34,10 @@ import window;
 import main;
 import buffer;
 import disprev;
+import console;
+import termio;
 import terminal;
+import xterm;
 import url;
 import utf;
 
@@ -313,12 +316,13 @@ int getcol2(const(char)[] dotp, int doto)
 int coltodoto(LINE* lp, int col)
 {
     size_t len = llength(lp);
-    size_t i = 0;
+    int i = 0;
     while (i < len)
     {
-	if (getcol(lp,i) >= col)
+	if (getcol(lp, i) >= col)
 	    return i;
-	decodeUTF8(lp.l_text, i);
+	ulong j = i;
+	decodeUTF8(lp.l_text, j);
     }
     return i;
 }
@@ -589,7 +593,7 @@ else
             wp.w_flag  = 0;
             wp.w_force = 0;
 }
-        } /* if any update flags on */           
+        } /* if any update flags on */
 debug (WFDEBUG)
 {
         modeline(wp);
@@ -963,7 +967,7 @@ int mlyesno(string prompt)
  */
 
 const HISTORY_MAX = 10;
-string history[HISTORY_MAX];
+string[HISTORY_MAX] history;
 int history_top;
 
 int HDEC(int hi)	{ return (hi == 0) ? HISTORY_MAX - 1 : hi - 1; }
@@ -1182,7 +1186,8 @@ int mlreply(string prompt, string init, out string result)
 	    //case InsKEY:
 	    case 0x11:			/* ^Q, quote next		*/
 	        c = term.t_getchar();
-            default:
+	        goto default;
+	    default:
 		if (c < 0 || c >= 0x7F)
 		{   // Error
 		    ctrlg(FALSE, 0);

src/med/file.d

@@ -22,6 +22,7 @@ import core.stdc.stdlib;
 import std.stdio;
 import std.path;
 import std.string;
+import std.file;
 import std.utf;
 
 import ed;
@@ -164,7 +165,7 @@ int file_readin(string fname)
 	{
 	    /* If the current buffer now becomes undisplayed		*/
 	    if (--curbp.b_nwnd == 0)
-	    {   
+	    {
 		curbp.b_dotp  = curwp.w_dotp;
 		curbp.b_doto  = curwp.w_doto;
 		curbp.b_markp = curwp.w_markp;
@@ -173,7 +174,7 @@ int file_readin(string fname)
 	    curbp = bp;
 	    curwp.w_bufp  = bp;
 	    if (bp.b_nwnd++ == 0)	/* if buffer not already displayed */
-	    {   
+	    {
 		curwp.w_dotp  = bp.b_dotp;
 		curwp.w_doto  = bp.b_doto;
 		curwp.w_markp = bp.b_markp;
@@ -183,9 +184,9 @@ int file_readin(string fname)
 	    {
 		/* Set dot to be at place where other window has it	*/
 		foreach (wp; windows)
-		{   
+		{
 		    if (wp!=curwp && wp.w_bufp==bp)
-		    {   
+		    {
 			curwp.w_dotp  = wp.w_dotp;
 			curwp.w_doto  = wp.w_doto;
 			curwp.w_markp = wp.w_markp;
@@ -570,4 +571,3 @@ int file_writeregion(string dfilename, REGION* region)
 	return FALSE;
     }
 }
-

src/med/fileio.d

@@ -72,6 +72,7 @@ bool ffreadonly(string name)
     }
     else
     {
+      import core.sys.posix.sys.stat;
 	return exists && (a & S_IWUSR) == 0;
     }
 }