X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/d90f09f3abebfe6f7cfc94a4ceea3c08b2d44649..c9def1b8e8960113ab4fd91d0b69d5b422cf339f:/ldisc.c

diff --git a/ldisc.c b/ldisc.c
index dda7cc36..819360d4 100644
--- 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 };