Factor out read_line().

diff --git a/remoteglot.pl b/remoteglot.pl
index 29c1785be99aa35f0ca3bae5de52765bfd2cadd9..c6323870037adb08629e5f3aff0749a0c01a5ffe 100755 (executable)
--- a/remoteglot.pl
+++ b/remoteglot.pl
@@ -164,27 +164,7 @@ while (1) {
        
        # any fun on the UCI channel?
        if ($nfound > 0 && vec($rout, fileno($engine->{'read'}), 1) == 1) {
-               # 
-               # Read until we've got a full line -- if the engine sends part of
-               # a line and then stops we're pretty much hosed, but that should
-               # never happen.
-               #
-               my $line = '';
-               while ($line !~ /\n/) {
-                       my $tmp;
-                       my $ret = sysread $engine->{'read'}, $tmp, 1;
-
-                       if (!defined($ret)) {
-                               next if ($!{EINTR});
-                               die "error in reading from the UCI engine: $!";
-                       } elsif ($ret == 0) {
-                               die "EOF from UCI engine";
-                       }
-
-                       $line .= $tmp;
-               }
-
-               $line =~ tr/\r\n//d;
+               my $line = read_line($engine->{'read'});
                handle_uci($line);
                $sleep = 0;
 
@@ -1021,3 +1001,30 @@ sub open_engine {
        
        return $engine;
 }
+
+sub read_line {
+       my $fh = shift;
+
+       # 
+       # Read until we've got a full line -- if the engine sends part of
+       # a line and then stops we're pretty much hosed, but that should
+       # never happen.
+       #
+       my $line = '';
+       while ($line !~ /\n/) {
+               my $tmp;
+               my $ret = sysread $engine->{'read'}, $tmp, 1;
+
+               if (!defined($ret)) {
+                       next if ($!{EINTR});
+                       die "error in reading from the UCI engine: $!";
+               } elsif ($ret == 0) {
+                       die "EOF from UCI engine";
+               }
+
+               $line .= $tmp;
+       }
+
+       $line =~ tr/\r\n//d;
+       return $line;
+}