sbase

commit 7be2449aa9281c072dc2de33a8818a548dc40ad2
parent bfcf46ac5eae942a123498c0aa356ee9f647ba72
Author: FRIGN <dev@frign.de>
Date:   Mon, 20 Apr 2015 21:38:46 +0200

tr(1): Show an error when classes and non-classes are mixed

Diffstat:
M
tr.c
 | 
2
++

1 file changed, 2 insertions(+), 0 deletions(-)
diff --git a/tr.c b/tr.c
@@ -197,6 +197,8 @@ main(int argc, char *argv[])
 		set2ranges = makeset(argv[1], &set2, &set2check);
 	if (dflag == sflag && !set2ranges && !set2check)
 		eprintf("set2 must be non-empty.\n");
+	if (argc == 2 && !set2check != !set1check)
+		eprintf("can't mix classes with non-classes.\n");
 	if (set2check && set2check != islowerrune && set2check != isupperrune)
 		eprintf("set2 can only be the 'lower' or 'upper' class.\n");
 	if (set2check && cflag && !dflag)