sbase

commit 403b047a3043000953241ffd5fc67437e9ba117e
parent 061932a31b028fca69214ff84ee5c7747fd19435
Author: Jakob Kramer <jakob.kramer@gmx.de>
Date:   Sun,  5 Apr 2015 21:36:04 +0200

sort: allow keys where start_col > end_col

Useful in (rare) cases like:

	$ printf 'aaaa c\nx a\n0 b\n' | sort -k 2,1.3

And this is how POSIX wants it.

Diffstat:
M
sort.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sort.c b/sort.c
@@ -157,7 +157,7 @@ parse_keydef(struct keydef *kd, char *s, int flags)
 		return -1;
 	if (*rest == ',') {
 		kd->end_column = strtol(rest+1, &rest, 10);
-		if (kd->end_column && kd->end_column < kd->start_column)
+		if (kd->end_column < 1)
 			return -1;
 		if (*rest == '.') {
 			kd->end_char = strtol(rest+1, &rest, 10);