--- rxvt-unicode/src/rxvt.h	2005/12/20 20:58:31	1.164
+++ rxvt-unicode/src/rxvt.h	2005/12/22 19:44:21	1.169
@@ -164,18 +164,6 @@
   unsigned int button;   /* detail */
 };
 
-#define MAX_IT(current, other)  if ((other) > (current)) (current) = (other)
-#define MIN_IT(current, other)  if ((other) < (current)) (current) = (other)
-#define SWAP_IT(one, two, typeof)                                       \
-    do {                                                                \
-        typeof          swapittmp;                                      \
-        (swapittmp) = (one); (one) = (two); (two) = (swapittmp);        \
-    } while (/* CONSTCOND */ 0)
-#define BOUND_POSITIVE_INT16(val)                       \
-    (int16_t) ((val) <= 0                                \
-              ? 0                                       \
-              : min ((val), (((uint16_t)-1)>>1)))
-
 #if ENABLE_FRILLS
 typedef struct _mwmhints {
   CARD32 flags;
@@ -365,9 +353,9 @@
 
 /* flags for rxvt_scr_gotorc () */
 enum {
-  C_RELATIVE = 1    ,       /* col movement is relative */
-  R_RELATIVE =     2,       /* row movement is relative */
-  RELATIVE   = 1 | 2,
+  C_RELATIVE = 1,       /* col movement is relative */
+  R_RELATIVE = 2,       /* row movement is relative */
+  RELATIVE   = C_RELATIVE | R_RELATIVE,
 };
 
 /* modes for rxvt_scr_insdel_chars (), rxvt_scr_insdel_lines () */
@@ -643,11 +631,12 @@
   Rs_transparent_all,
 #endif
 #if ENABLE_FRILLS
+  Rs_pty_fd,
+  Rs_hold,
   Rs_ext_bwidth,
   Rs_int_bwidth,
   Rs_borderLess,
   Rs_lineSpace,
-  Rs_pty_fd,
   Rs_cursorUnderline,
 #endif
 #if CURSOR_BLINK
@@ -827,21 +816,27 @@
 #define Width2Pixel(n)          ((int32_t)(n) * (int32_t)fwidth)
 #define Height2Pixel(n)         ((int32_t)(n) * (int32_t)fheight)
 
-#define TermWin_TotalWidth()    ((int32_t)width)
-#define TermWin_TotalHeight()   ((int32_t)height)
+#define TermWin_TotalWidth()    ((int32_t)this->width)
+#define TermWin_TotalHeight()   ((int32_t)this->height)
+
+// for m >= -n, ensure remainder lies between 0..n-1
+#define MOD(m,n) (((m) + (n)) % (n))
+
+#define LINENO(n) MOD (term_start + int(n), total_rows)
+#define ROW(n) row_buf [LINENO (n)]
 
 /* how to build & extract colors and attributes */
 #define GET_BASEFG(x)           (((x) & RS_fgMask))
 #define GET_BASEBG(x)           (((x) & RS_bgMask)>>Color_Bits)
 #ifndef NO_BRIGHTCOLOR
-# define GET_FGCOLOR(x)                                         \
-    ((((x) & RS_Bold) == 0                                      \
+# define GET_FGCOLOR(x)                                          \
+    ((((x) & RS_Bold) == 0                                       \
       || GET_BASEFG (x) < minCOLOR                               \
       || GET_BASEFG (x) >= minBrightCOLOR)                       \
      ? GET_BASEFG (x)                                            \
      : (GET_BASEFG (x) + (minBrightCOLOR - minCOLOR)))
-# define GET_BGCOLOR(x)                                         \
-    ((((x) & RS_Blink) == 0                                     \
+# define GET_BGCOLOR(x)                                          \
+    ((((x) & RS_Blink) == 0                                      \
       || GET_BASEBG (x) < minCOLOR                               \
       || GET_BASEBG (x) >= minBrightCOLOR)                       \
      ? GET_BASEBG (x)                                            \
@@ -1330,6 +1325,7 @@
 
   rxvt_term ();
   ~rxvt_term ();
+  void child_exit (); // child has exited, usually destroys
   void destroy ();
   void emergency_cleanup ();
 
@@ -1476,11 +1472,13 @@
     l.r = (rend_t *)ralloc->alloc ();
   }
 
+#if 0
   void lfree (line_t &l)
   {
     talloc->free (l.t);
     ralloc->free (l.r);
   }
+#endif
 
   void lresize (line_t &l)
   {
@@ -1490,7 +1488,7 @@
     l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
     l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
 
-    MIN_IT (l.l, (int16_t)ncol);
+    l.l = min (l.l, ncol);
 
     if (ncol > prev_ncol)
       scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
@@ -1500,7 +1498,6 @@
   void scr_blank_screen_mem (line_t &l, rend_t efs);
   int scr_scroll_text (int row1, int row2, int count);
   void scr_reset ();
-  void scr_reset_realloc ();
   void scr_release ();
   void scr_clear (bool really = false);
   void scr_refresh (unsigned char refresh_type);