[hackers] [PATCH][sbase] paste: Allow null delim

---
 paste.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/paste.c b/paste.c
index b0ac761..0159fe0 100644
--- a/paste.c
+++ b/paste.c
_AT_@ -53,7 +53,8 @@ nextline:
 
 		for (; efgetrune(&c, dsc[i].fp, dsc[i].name) ;) {
 			for (m = last + 1; m < i; m++)
-				efputrune(&(delim[m % delimlen]), stdout, "<stdout>");
+				if (delim[m % delimlen] != '\0')
+					efputrune(&(delim[m % delimlen]), stdout, "<stdout>");
 			last = i;
 			if (c == '\n') {
 				if (i != fdescrlen - 1)
_AT_@ -68,7 +69,8 @@ nextline:
 			if (i == fdescrlen - 1)
 				putchar('\n');
 			else
-				efputrune(&d, stdout, "<stdout>");
+				if (d != '\0')
+					efputrune(&d, stdout, "<stdout>");
 			last++;
 		}
 	}
_AT_@ -96,7 +98,7 @@ main(int argc, char *argv[])
 		seq = 1;
 		break;
 	case 'd':
-		adelim = EARGF(usage());
+		adelim = ARGF();
 		unescape(adelim);
 		break;
 	default:
_AT_@ -109,8 +111,12 @@ main(int argc, char *argv[])
 	/* populate delimiters */
 	/* TODO: fix libutf to accept sizes */
 	delim = ereallocarray(NULL, utflen(adelim) + 1, sizeof(*delim));
-	if (!(delimlen = utftorunestr(adelim, delim)))
+	if (*adelim == '\0') {
+		delimlen = 1;
+		*delim = '\0';
+	} else if (!(delimlen = utftorunestr(adelim, delim))) {
 		usage();
+	}
 
 	/* populate file list */
 	dsc = ereallocarray(NULL, argc, sizeof(*dsc));
-- 
2.25.1