many rewrites, let rote_vt_write be a more simple wrapper around write

[apps/madtty.git] / madtty / inject.c

diff --git a/madtty/inject.c b/madtty/inject.c
index 14ce8a1..29755fb 100644 (file)
--- a/madtty/inject.c
+++ b/madtty/inject.c
@@ -71,7 +71,7 @@ static void cursor_line_down(RoteTerm *rt)
 
     /* clear last row of the scrolling region */
     for (i = 0; i < rt->cols; i++) {
-        rt->cells[rt->pd->scrollbottom][i].ch = 0x20;
+        rt->cells[rt->pd->scrollbottom][i].ch   = 0x20;
         rt->cells[rt->pd->scrollbottom][i].attr = 0x70;
     }
 }
@@ -113,11 +113,12 @@ static inline void put_normal_char(RoteTerm *rt, int c)
     if (rt->insert) {
         int i;
 
-        for(i = rt->cols - 1; i >= rt->ccol+1; i--)
+        for(i = rt->cols - 1; i >= rt->ccol+1; i--) {
             rt->cells[rt->crow][i] = rt->cells[rt->crow][i-1];
+        }
     }
 
-    rt->cells[rt->crow][rt->ccol].ch = c;
+    rt->cells[rt->crow][rt->ccol].ch   = c;
     rt->cells[rt->crow][rt->ccol].attr = rt->curattr;
     rt->ccol++;
 
@@ -253,15 +254,10 @@ static void try_interpret_escape_seq(RoteTerm *rt)
         cancel_escape_sequence(rt);
 }
 
-void rote_vt_inject(RoteTerm *rt, const char *data, int len)
+int rote_vt_inject(RoteTerm *rt, const char *data, int len)
 {
-    int i;
-
-    for (i = 0; i < len; i++, data++) {
-        if (*data == 0)
-            continue;  /* completely ignore NUL */
-
-        if (*data >= 1 && *data <= 31) {
+    for (; len-- > 0; data++) {
+        if ((unsigned char)*data <= 31) {
             handle_control_char(rt, *data);
             continue;
         }
@@ -279,6 +275,8 @@ void rote_vt_inject(RoteTerm *rt, const char *data, int len)
             put_normal_char(rt, *data);
         }
     }
+
+    return 0;
 }
 
 /****************************************************************************/
@@ -381,7 +379,7 @@ static void interpret_csi_ED(RoteTerm *rt, int param[], int pcount)
              c <= (r == end_row ? end_col : rt->cols - 1);
              c++)
         {
-            rt->cells[r][c].ch = 0x20;
+            rt->cells[r][c].ch   = 0x20;
             rt->cells[r][c].attr = rt->curattr;
         }
     }
@@ -441,7 +439,7 @@ static void interpret_csi_EL(RoteTerm *rt, int param[], int pcount)
     }
 
     for (i = erase_start; i <= erase_end; i++) {
-        rt->cells[rt->crow][i].ch = 0x20;
+        rt->cells[rt->crow][i].ch   = 0x20;
         rt->cells[rt->crow][i].attr = rt->curattr;
     }
 
@@ -459,7 +457,7 @@ static void interpret_csi_ICH(RoteTerm *rt, int param[], int pcount)
     }
 
     for (i = rt->ccol; i < rt->ccol + n; i++) {
-        rt->cells[rt->crow][i].ch = 0x20;
+        rt->cells[rt->crow][i].ch   = 0x20;
         rt->cells[rt->crow][i].attr = rt->curattr;
     }
 
@@ -476,7 +474,7 @@ static void interpret_csi_DCH(RoteTerm *rt, int param[], int pcount)
         if (i + n < rt->cols) {
             rt->cells[rt->crow][i] = rt->cells[rt->crow][i + n];
         } else {
-            rt->cells[rt->crow][i].ch = 0x20;
+            rt->cells[rt->crow][i].ch   = 0x20;
             rt->cells[rt->crow][i].attr = rt->curattr;
         }
     }
@@ -497,7 +495,8 @@ static void interpret_csi_IL(RoteTerm *rt, int param[], int pcount)
     for (i = rt->crow; i < rt->crow + n && i <= rt->pd->scrollbottom; i++) {
         rt->line_dirty[i] = true;
         for (j = 0; j < rt->cols; j++) {
-            rt->cells[i][j].ch = 0x20, rt->cells[i][j].attr = rt->curattr;
+            rt->cells[i][j].ch   = 0x20;
+            rt->cells[i][j].attr = rt->curattr;
         }
     }
 
@@ -515,7 +514,8 @@ static void interpret_csi_DL(RoteTerm *rt, int param[], int pcount)
             memcpy(rt->cells[i], rt->cells[i+n], sizeof(RoteCell) * rt->cols);
         } else {
             for (j = 0; j < rt->cols; j++) {
-                rt->cells[i][j].ch = 0x20, rt->cells[i][j].attr = rt->curattr;
+                rt->cells[i][j].ch   = 0x20;
+                rt->cells[i][j].attr = rt->curattr;
             }
         }
     }
@@ -528,7 +528,7 @@ static void interpret_csi_ECH(RoteTerm *rt, int param[], int pcount)
     int i;
 
     for (i = rt->ccol; i < rt->ccol + n && i < rt->cols; i++) {
-        rt->cells[rt->crow][i].ch = 0x20;
+        rt->cells[rt->crow][i].ch   = 0x20;
         rt->cells[rt->crow][i].attr = rt->curattr;
     }