X-Git-Url: http://www.dxcluster.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXUtil.pm;h=d1079035b1ada28fa5b1133ef3c8bd06a3d3ea5c;hb=1910df7183401a62084e85c3ace179df492a6fbe;hp=9264d50501b05440e35c481e69f0e6d3c60807ef;hpb=0a26d8269de811ac52450fcb411ebac7cab1d382;p=spider.git

diff --git a/perl/DXUtil.pm b/perl/DXUtil.pm
index 9264d505..d1079035 100644
--- a/perl/DXUtil.pm
+++ b/perl/DXUtil.pm
@@ -16,7 +16,7 @@ require Exporter;
 @ISA = qw(Exporter);
 @EXPORT = qw(atime ztime cldate cldatetime slat slong yesno promptf 
 			 parray parraypairs shellregex readfilestr writefilestr
-             print_all_fields cltounix iscallsign unpad
+             print_all_fields cltounix iscallsign unpad is_callsign
             );
 
 @month = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
@@ -289,7 +289,20 @@ sub unpad
 	return $s;
 }
 
+# check that a field only has callsign characters in it
+sub is_callsign
+{
+	return $_[0] !~ /[^A-Z0-9\-]/;
+}
 
+# check that a PC protocol field is valid text
+sub is_pctext
+{
+	return $_[0] !~ /[^\x20-\xA8\xE0-\xEF]/;
+}
 
-
-
+# check that a PC prot flag is set correctly
+sub is_pcflag
+{
+	return $_[0] !~ /^[^01\*]$/;
+}