starttls hogs CPU

[Simon Josefsson]

Without this, starttls busy-loops and hogs all CPU.  Maybe a new
release is in place?

2001-10-13  Simon Josefsson  <jas at extundo.com>

	* starttls.c (main): Clear fd sets before select().

--- starttls.c.~1.6.~	Sat Nov 18 05:44:00 2000
+++ starttls.c	Sat Oct 13 20:09:03 2001
@@ -260,6 +260,7 @@
 
   while (1)
     {
+      FD_ZERO (&readfds);
       FD_SET (tls_fd, &readfds);
       FD_SET (in, &readfds);
       if (select (tls_fd+1, &readfds, NULL, NULL, NULL) == -1
@@ -276,6 +277,7 @@
 	    goto finish;
 	  for (retry = buffer; nbuffer > 0; nbuffer -= wrote, retry += wrote)
 	    {
+	      FD_ZERO (&writefds);
 	      FD_SET (tls_fd, &writefds);
 	      if (select (tls_fd+1, NULL, &writefds, NULL, NULL) == -1)
 		{
@@ -299,6 +301,7 @@
 	    goto finish;
 	  for (retry = buffer; nbuffer > 0; nbuffer -= wrote, retry += wrote)
 	    {
+	      FD_ZERO (&writefds);
 	      FD_SET (out, &writefds);
 	      if (select (out+1, NULL, &writefds, NULL, NULL) == -1)
 		{