Robert de Bath's Big Patch, part 1

[u/mdw/putty] / ldisc.c

diff --git a/ldisc.c b/ldisc.c
index dda7cc3..819360d 100644 (file)
--- a/ldisc.c
+++ b/ldisc.c
@@ -9,13 +9,8 @@
  */
 
 static void c_write (char *buf, int len) {
-    while (len--) {
-       int new_head = (inbuf_head + 1) & INBUF_MASK;
-       if (new_head != inbuf_reap) {
-           inbuf[inbuf_head] = *buf++;
-           inbuf_head = new_head;
-       }
-    }
+    while (len--) 
+        c_write1(*buf++);
 }
 
 static char *term_buf = NULL;
@@ -34,8 +29,7 @@ static int plen(unsigned char c) {
 static void pwrite(unsigned char c) {
     if ((c >= 32 && c <= 126) ||
         (c >= 160)) {
-        char cc = (char)c;
-        c_write(&cc, 1);
+        c_write1(c);
     } else if (c < 128) {
         char cc[2];
         cc[1] = (c == 127 ? '?' : c + 0x40);
@@ -123,7 +117,8 @@ static void term_send(char *buf, int len) {
            }
            break;
          case CTRL('M'):              /* send with newline */
-           back->send(term_buf, term_buflen);
+           if (term_buflen > 0)
+                back->send(term_buf, term_buflen);
            if (cfg.protocol == PROT_RAW)
                back->send("\r\n", 2);
            else
@@ -153,7 +148,8 @@ static void simple_send(char *buf, int len) {
            term_buflen--;
        }
     }
-    back->send(buf, len);
+    if (len > 0)
+        back->send(buf, len);
 }
 
 Ldisc ldisc_term = { term_send };