From 1391da81e02b3a1279f58f96b6420369e50a07b6 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Tue, 15 Jun 2004 18:00:03 +0000
Subject: [PATCH] (decode_switches): Pay attention to TABSIZE even if
 POSIXLY_CORRECT is set.  POSIX reserves upper-case environment variables to
 the implementation, so it's OK for ls to depend on TABSIZE.

---
 src/ls.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/ls.c b/src/ls.c
index 81f0d2ee69..b986e68c14 100644
--- a/src/ls.c
+++ b/src/ls.c
@@ -1416,12 +1416,10 @@ decode_switches (int argc, char **argv)
   }
 #endif
 
-  /* Using the TABSIZE environment variable is not POSIX-approved.
-     Ignore it when POSIXLY_CORRECT is set.  */
   {
-    char const *p;
+    char const *p = getenv ("TABSIZE");
     tabsize = 8;
-    if (!getenv ("POSIXLY_CORRECT") && (p = getenv ("TABSIZE")))
+    if (p)
       {
 	unsigned long int tmp_ulong;
 	if (xstrtoul (p, NULL, 0, &tmp_ulong, NULL) == LONGINT_OK
-- 
2.47.3