1 files changed, 80 insertions, 0 deletions
diff --git a/pkg/utilities/nttools/stxtools/tpbreak.x b/pkg/utilities/nttools/stxtools/tpbreak.x
new file mode 100644
index 00000000..be5aed1d
--- /dev/null
+++ b/pkg/utilities/nttools/stxtools/tpbreak.x
@@ -0,0 +1,80 @@
+# TP_BREAK -- Break an image name into bracket delimeted substrings
+#
+# B.Simon	02-Jun-89	Original
+
+procedure tp_break (imname, part, npart, maxch)
+
+char	imname[ARB]		# i: Image name
+char	part[maxch,ARB]		# o: Array of image name parts
+int	npart			# i: Maximum number of parts
+int	maxch			# i: Maximum length of part
+#--
+bool	inside
+char	ch
+int	ic, jc, ipart
+pointer	sp, errmsg
+
+string	syntax  "Syntax error in image name (%s)"
+
+begin
+	# Allocate memory for error message
+
+	call smark (sp)
+	call salloc (errmsg, SZ_LINE, TY_CHAR)
+
+	# Initialize output to null string
+
+	do ipart = 1, npart
+	    part[1,ipart] = EOS
+
+	# Break image name into bracket delimeted components
+	# The variable inside is used as a check that brackets are paired
+
+	jc = 1
+	ipart = 1
+	inside = false
+
+	for (ic = 1; ipart <= npart && imname[ic] != EOS; ic = ic + 1) {
+
+	    ch = imname[ic]
+	    if (ch == '\\') {
+		ic = ic + 1
+
+	    } else if (ch == '[') {
+		if (inside) {
+		    call sprintf (Memc[errmsg], SZ_LINE, syntax)
+		    call pargstr (imname)
+		    call error (1, Memc[errmsg])
+		}
+		part[jc,ipart] = EOS
+		ipart = ipart + 1
+		inside = true
+		jc = 1
+
+	    } else if (ch == ']') {
+		if (! inside) {
+		    call sprintf (Memc[errmsg], SZ_LINE, syntax)
+		    call pargstr (imname)
+		    call error (1, Memc[errmsg])
+		}
+		inside = false
+
+	    } else if (ipart > 1 && ! inside) {
+		call sprintf (Memc[errmsg], SZ_LINE, syntax)
+		call pargstr (imname)
+		call error (1, Memc[errmsg])
+	    }
+
+	    part[jc,ipart] = imname[ic]
+	    jc = jc + 1
+
+	    if (jc > maxch) {
+		call sprintf (Memc[errmsg], SZ_LINE, syntax)
+		call pargstr (imname)
+		call error (1, Memc[errmsg])
+	    }
+	}
+
+	part[jc,ipart] = EOS
+	call sfree (sp)
+end