Repatch (from linux) of OSX IRAF

1 files changed, 97 insertions, 0 deletions

diff --git a/pkg/utilities/nttools/texpand/span.x b/pkg/utilities/nttools/texpand/span.x
new file mode 100644
index 00000000..b8d69141
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+++ b/pkg/utilities/nttools/texpand/span.x
@@ -0,0 +1,97 @@
+# SPAN -- Copy characters while they match a set
+#
+# B.Simon	25-Apr-88	Original
+
+int procedure span (set, str, ic, outstr, maxch)
+
+char	set[ARB]	#  i: Set of characters used in matching
+char	str[ARB]	#  i: Input string
+int	ic		# io: Index to input string character
+char	outstr[ARB]	#  o: Output string
+int	maxch		#  i: Maximum length of output string
+#--
+bool	match
+int	jc, kc, setlen
+
+int	strlen()
+
+begin
+	# Loop over characters in the input string
+
+	setlen = strlen (set)
+	for (jc = 1; str[ic] != EOS && jc <= maxch; ic = ic + 1) {
+
+	    # See if the current character in the input string
+	    # matches the characters in the set
+
+	    match = false
+	    do kc = 1, setlen {
+		if (str[ic] == set[kc]) {
+		    match = true
+		    break
+		}
+	    }
+
+	    # Copy character to the output string if it matches
+
+	    if (! match)
+		break
+
+	    outstr[jc] = str[ic]
+	    jc = jc + 1
+
+	}
+
+	# Return number of characters in output string
+
+	outstr[jc] = EOS
+	return (jc - 1)
+end
+
+# NOSPAN -- Copy characters while they do not match a set
+
+int procedure nospan (set, str, ic, outstr, maxch)
+
+char	set[ARB]	#  i: Set of characters used in matching
+char	str[ARB]	#  i: Input string
+int	ic		# io: Index to input string character
+char	outstr[ARB]	#  o: Output string
+int	maxch		#  i: Maximum length of output string
+#--
+bool	match
+int	jc, kc, setlen
+
+int	strlen()
+
+begin
+	# Loop over characters in the input string
+
+	setlen = strlen (set)
+	for (jc = 1; str[ic] != EOS && jc <= maxch; ic = ic + 1) {
+
+	    # See if the current character in the input string
+	    # matches the characters in the set
+
+	    match = false
+	    do kc = 1, setlen {
+		if (str[ic] == set[kc]) {
+		    match = true
+		    break
+		}
+	    }
+
+	    # Copy character to the output string if it does not match
+
+	    if (match)
+		break
+
+	    outstr[jc] = str[ic]
+	    jc = jc + 1
+
+	}
+
+	# Return number of characters in output string
+
+	outstr[jc] = EOS
+	return (jc - 1)
+end