X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Ftermcap.pl;h=f295a2d476b53b9b360abe329f4c5448d04a2434;hb=004caa160f94253de79aa75f9b412f94823dcb96;hp=ab693f28d7ac4b7d437d79be4f0ccf4054dd93f7;hpb=a687059cbaf2c6fdccb5e0fae2aee80ec15625a8;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/lib/termcap.pl b/lib/termcap.pl
index ab693f2..f295a2d 100644
--- a/lib/termcap.pl
+++ b/lib/termcap.pl
@@ -1,27 +1,37 @@
-;# $Header: termcap.pl,v 3.0 89/10/18 15:19:58 lwall Locked $
+;# $RCSfile: termcap.pl,v $$Revision: 4.1 $$Date: 92/08/07 18:24:16 $
+#
+# This library is no longer being maintained, and is included for backward
+# compatibility with Perl 4 programs which may require it.
+#
+# In particular, this should not be used as an example of modern Perl
+# programming techniques.
+#
+# Suggested alternative: Term::Cap
+#
 ;#
 ;# Usage:
-;#	do 'ioctl.pl';
+;#	require 'ioctl.pl';
 ;#	ioctl(TTY,$TIOCGETP,$foo);
 ;#	($ispeed,$ospeed) = unpack('cc',$foo);
-;#	do 'termcap.pl';
-;#	do Tgetent('vt100');	# sets $TC{'cm'}, etc.
-;#	do Tgoto($TC{'cm'},$row,$col);
-;#	do Tputs($TC{'dl'},$affcnt,'FILEHANDLE');
+;#	require 'termcap.pl';
+;#	&Tgetent('vt100');	# sets $TC{'cm'}, etc.
+;#	&Tputs(&Tgoto($TC{'cm'},$col,$row), 0, 'FILEHANDLE');
+;#	&Tputs($TC{'dl'},$affcnt,'FILEHANDLE');
 ;#
 sub Tgetent {
     local($TERM) = @_;
     local($TERMCAP,$_,$entry,$loop,$field);
 
-    warn "Tgetent: no ospeed set" unless $ospeed;
-    foreach $key (keys(TC)) {
+    # warn "Tgetent: no ospeed set" unless $ospeed;
+    foreach $key (keys %TC) {
 	delete $TC{$key};
     }
     $TERM = $ENV{'TERM'} unless $TERM;
+    $TERM =~ s/(\W)/\\$1/g;
     $TERMCAP = $ENV{'TERMCAP'};
     $TERMCAP = '/etc/termcap' unless $TERMCAP;
     if ($TERMCAP !~ m:^/:) {
-	if (index($TERMCAP,"|$TERM|") < $[) {
+	if ($TERMCAP !~ /(^|\|)$TERM[:\|]/) {
 	    $TERMCAP = '/etc/termcap';
 	}
     }
@@ -33,7 +43,7 @@ sub Tgetent {
 	    while (<TERMCAP>) {
 		next if /^#/;
 		next if /^\t/;
-		if (/\\|$TERM[:\\|]/) {
+		if (/(^|\\|)${TERM}[:\\|]/) {
 		    chop;
 		    while (chop eq '\\\\') {
 			\$_ .= <TERMCAP>;
@@ -47,7 +57,7 @@ sub Tgetent {
 	    \$entry .= \$_;
 	    ";
 	    eval $loop;
-	} while s/:tc=([^:]+):/:/, $TERM = $1;
+	} while s/:tc=([^:]+):/:/ && ($TERM = $1);
 	$TERMCAP = $entry;
     }
 
@@ -62,6 +72,9 @@ sub Tgetent {
 	    $entry = $1;
 	    $_ = $2;
 	    s/\\E/\033/g;
+	    s/\\(200)/pack('c',0)/eg;			# NUL character
+	    s/\\(0\d\d)/pack('c',oct($1))/eg;	# octal
+	    s/\\(0x[0-9A-Fa-f][0-9A-Fa-f])/pack('c',hex($1))/eg;	# hex
 	    s/\\(\d\d\d)/pack('c',$1 & 0177)/eg;
 	    s/\\n/\n/g;
 	    s/\\r/\r/g;
@@ -70,7 +83,7 @@ sub Tgetent {
 	    s/\\f/\f/g;
 	    s/\\\^/\377/g;
 	    s/\^\?/\177/g;
-	    s/\^(.)/pack('c',$1 & 031)/eg;
+	    s/\^(.)/pack('c',ord($1) & 31)/eg;
 	    s/\\(.)/$1/g;
 	    s/\377/^/g;
 	    $TC{$entry} = $_ if $TC{$entry} eq '';
@@ -104,17 +117,18 @@ sub Tgoto {
     local($result) = '';
     local($after) = '';
     local($code,$tmp) = @_;
-    @_ = ($tmp,$code);
+    local(@tmp);
+    @tmp = ($tmp,$code);
     local($online) = 0;
     while ($string =~ /^([^%]*)%(.)(.*)/) {
 	$result .= $1;
 	$code = $2;
 	$string = $3;
 	if ($code eq 'd') {
-	    $result .= sprintf("%d",shift(@_));
+	    $result .= sprintf("%d",shift(@tmp));
 	}
 	elsif ($code eq '.') {
-	    $tmp = shift(@_);
+	    $tmp = shift(@tmp);
 	    if ($tmp == 0 || $tmp == 4 || $tmp == 10) {
 		if ($online) {
 		    ++$tmp, $after .= $TC{'up'} if $TC{'up'};
@@ -127,32 +141,32 @@ sub Tgoto {
 	    $online = !$online;
 	}
 	elsif ($code eq '+') {
-	    $result .= sprintf("%c",shift(@_)+ord($string));
+	    $result .= sprintf("%c",shift(@tmp)+ord($string));
 	    $string = substr($string,1,99);
 	    $online = !$online;
 	}
 	elsif ($code eq 'r') {
-	    ($code,$tmp) = @_;
-	    @_ = ($tmp,$code);
+	    ($code,$tmp) = @tmp;
+	    @tmp = ($tmp,$code);
 	    $online = !$online;
 	}
 	elsif ($code eq '>') {
 	    ($code,$tmp,$string) = unpack("CCa99",$string);
-	    if ($_[$[] > $code) {
-		$_[$[] += $tmp;
+	    if ($tmp[$[] > $code) {
+		$tmp[$[] += $tmp;
 	    }
 	}
 	elsif ($code eq '2') {
-	    $result .= sprintf("%02d",shift(@_));
+	    $result .= sprintf("%02d",shift(@tmp));
 	    $online = !$online;
 	}
 	elsif ($code eq '3') {
-	    $result .= sprintf("%03d",shift(@_));
+	    $result .= sprintf("%03d",shift(@tmp));
 	    $online = !$online;
 	}
 	elsif ($code eq 'i') {
-	    ($code,$tmp) = @_;
-	    @_ = ($code+1,$tmp+1);
+	    ($code,$tmp) = @tmp;
+	    @tmp = ($code+1,$tmp+1);
 	}
 	else {
 	    return "OOPS";