1 files changed, 57 insertions, 0 deletions
diff --git a/pkg/utilities/nttools/tcheck/cmdsplit.x b/pkg/utilities/nttools/tcheck/cmdsplit.x
new file mode 100644
index 00000000..7fa7e714
--- /dev/null
+++ b/pkg/utilities/nttools/tcheck/cmdsplit.x
@@ -0,0 +1,57 @@
+include "tcheck.h"
+
+# CMDSPLIT -- Split a command into keyword and expression strings
+
+procedure cmdsplit (command, keystart, cmdstart)
+
+char	command[ARB]	# io: Command line
+int	keystart	#  o: Start of keyword substring
+int	cmdstart	#  o: Start of command substring
+#--
+char	comment
+int	ic, jc
+pointer	sp, keyword
+
+data	comment  / '#' /
+
+string	noexpress  "No expression following when"
+
+bool	streq()
+int	stridx(), word_fetch()
+
+begin
+	call smark (sp)
+	call salloc (keyword, SZ_FNAME, TY_CHAR)
+
+	# Strip comments from command line
+
+	ic = stridx (comment, command)
+	if (ic > 0)
+	    command[ic] = EOS
+
+	# Set output variables to default values
+
+	keystart = 1
+	cmdstart = 0
+
+	# Find location of "when" in command and split the line there
+
+	ic = 1
+	jc = 0
+	while (word_fetch (command, ic, Memc[keyword], SZ_FNAME) > 0) {
+	    if (jc > 0 && streq (Memc[keyword], "when")) {
+		command[jc] = EOS
+		cmdstart = ic
+		break
+	    }
+	    jc = ic
+	}
+
+	# Exit with error if no expression was found
+
+	if (cmdstart == 0 && jc > 0)
+	    call error (SYNTAX, noexpress)
+
+	call sfree (sp)
+end
+