BACKLOG_ROW_GET() should not be called with a "screen" value

the backlog is independent of the screen size. Thus a single line in the
backlog can span many lines on the screen.

src/bin/miniview.c

@@ -502,7 +502,8 @@ _deferred_renderer(void *data)
 {
    Miniview *mv = data;
    Evas_Coord ox, oy, ow, oh;
-   int history_len, wret, pos;
+   int history_len, pos;
+   ssize_t wret;
    unsigned int *pixels, y;
    Termcell *cells;
    Termpty *ty;

src/bin/termio.c

@@ -2037,7 +2037,8 @@ termio_selection_get(Evas_Object *obj, int c1x, int c1y, int c2x, int c2y,
    for (y = c1y; y <= c2y; y++)
      {
         Termcell *cells;
-        int w, last0, v, start_x, end_x;
+        ssize_t w;
+        int last0, v, start_x, end_x;
 
         w = 0;
         last0 = -1;
@@ -2427,7 +2428,8 @@ termio_paste_selection(Evas_Object *obj, Elm_Sel_Type type)
 static void
 _sel_line(Termio *sd, int cy)
 {
-   int y, w = 0;
+   int y;
+   ssize_t w = 0;
    Termcell *cells;
 
    termpty_backlog_lock();
@@ -2772,7 +2774,8 @@ static void
 _sel_word(Termio *sd, int cx, int cy)
 {
    Termcell *cells;
-   int x, y, w = 0;
+   int x, y;
+   ssize_t w = 0;
    Eina_Bool done = EINA_FALSE;
 
    termpty_backlog_lock();
@@ -3183,7 +3186,7 @@ _selection_dbl_fix(Termio *sd
 {
 #if defined(SUPPORT_DBLWIDTH)
    int start_x, start_y, end_x, end_y;
-   int w = 0;
+   ssize_t w = 0;
    Termcell *cells;
    /* Only change the end position */
 
@@ -4489,7 +4492,8 @@ _smart_apply(Evas_Object *obj)
    Evas_Coord ox, oy, ow, oh;
    Eina_List *l, *ln;
    Termblock *blk;
-   int x, y, w, ch1 = 0, ch2 = 0, inv = 0, preedit_x = 0, preedit_y = 0;
+   int x, y, ch1 = 0, ch2 = 0, inv = 0, preedit_x = 0, preedit_y = 0;
+   ssize_t w;
 
    EINA_SAFETY_ON_NULL_RETURN(sd);
    evas_object_geometry_get(obj, &ox, &oy, &ow, &oh);

src/bin/termpty.c

@@ -711,28 +711,12 @@ add_new_ts:
 ssize_t
 termpty_row_length(Termpty *ty, int y)
 {
-   Termsave *ts;
+   ssize_t wret;
+   Termcell *cells = termpty_cellrow_get(ty, y, &wret);
 
    if (y >= 0)
-     {
-        Termcell *cells;
-        if (y >= ty->h)
-          {
-             ERR("invalid row given: %d while ty->h=%d", y, ty->h);
-             return 0;
-          }
-        cells = &(TERMPTY_SCREEN(ty, 0, y));
-        return termpty_line_length(cells, ty->w);
-     }
-   if ((y < -(int)ty->backsize) || !ty->back)
-     {
-        ERR("invalid row given: %d; ty->back:%p ty->backsize:%zd",
-            y, ty->back, ty->backsize);
-        return 0;
-     }
-   ts = BACKLOG_ROW_GET(ty, y);
-
-   return ts->cells ? ts->w : 0;
+     return termpty_line_length(cells, ty->w);
+   return cells ? wret : 0;
 }
 
 ssize_t
@@ -800,7 +784,7 @@ termpty_backscroll_adjust(Termpty *ty, int *scroll)
 }
 
 static Termcell*
-_termpty_cellrow_from_beacon_get(Termpty *ty, int requested_y, int *wret)
+_termpty_cellrow_from_beacon_get(Termpty *ty, int requested_y, ssize_t *wret)
 {
    int backlog_y = ty->backlog_beacon.backlog_y;
    int screen_y = ty->backlog_beacon.screen_y;
@@ -845,7 +829,7 @@ _termpty_cellrow_from_beacon_get(Termpty *ty, int requested_y, int *wret)
 }
 
 Termcell *
-termpty_cellrow_get(Termpty *ty, int y_requested, int *wret)
+termpty_cellrow_get(Termpty *ty, int y_requested, ssize_t *wret)
 {
    if (y_requested >= 0)
      {

src/bin/termpty.h

@@ -236,7 +236,7 @@ void       termpty_free(Termpty *ty);
 void       termpty_backlog_lock(void);
 void       termpty_backlog_unlock(void);
 
-Termcell  *termpty_cellrow_get(Termpty *ty, int y, int *wret);
+Termcell  *termpty_cellrow_get(Termpty *ty, int y, ssize_t *wret);
 ssize_t termpty_row_length(Termpty *ty, int y);
 void       termpty_write(Termpty *ty, const char *input, int len);
 void       termpty_resize(Termpty *ty, int new_w, int new_h);