From 9845d179b353cb18133e7e57930c4aad00500fc0 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Fri, 13 Oct 1995 13:16:34 +0000
Subject: [PATCH] (prjoin): Rewrite loop that iterates over field specs.

---
 src/join.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/join.c b/src/join.c
index 59d240f62f..f90b48f7a1 100644
--- a/src/join.c
+++ b/src/join.c
@@ -406,11 +406,14 @@ prjoin (struct line *line1, struct line *line2)
     {
       const struct outlist *o;
 
-      prfield (outlist->field - 1, outlist->file == 1 ? line1 : line2);
-      for (o = outlist->next; o; o = o->next)
+      o = outlist;
+      while (1)
 	{
-	  putchar (tab ? tab : ' ');
 	  prfield (o->field - 1, o->file == 1 ? line1 : line2);
+	  o = o->next;
+	  if (o == NULL)
+	    break;
+	  putchar (tab ? tab : ' ');
 	}
       putchar ('\n');
     }
-- 
2.47.3