From 06560e9c0e60fa994f489018fd9c35509d3bad0b Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sun, 13 Oct 1996 17:58:50 +0000
Subject: [PATCH] (__xstrtol): Return an error for invalid suffix. Before,
 e.g., `split -b 1M' would be silently accepted and treated like `split -b 1'.
  Reported by Franc,ois.

---
 lib/xstrtol.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/xstrtol.c b/lib/xstrtol.c
index 8755cf475..dec0ec79b 100644
--- a/lib/xstrtol.c
+++ b/lib/xstrtol.c
@@ -102,8 +102,11 @@ __xstrtol (s, ptr, base, val, valid_suffixes)
 	return LONGINT_INVALID_SUFFIX_CHAR;
     }
 
-  if (**p != '\0' && strchr (valid_suffixes, **p))
+  if (**p != '\0')
     {
+      if (!strchr (valid_suffixes, **p))
+	return LONGINT_INVALID_SUFFIX_CHAR;
+
       switch (**p)
 	{
 	case 'b':
-- 
2.11.0