From b36ebd8834d01141192d14523b0ae18e5d0bb2fc Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Wed, 10 Nov 1999 08:13:51 +0000
Subject: [PATCH] (APPEND): Correct check for too small buffer according to
 changed snprintf return value.

---
 misc/efgcvt_r.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/misc/efgcvt_r.c b/misc/efgcvt_r.c
index 80770e6a827..1a039efc0bd 100644
--- a/misc/efgcvt_r.c
+++ b/misc/efgcvt_r.c
@@ -101,7 +101,8 @@ APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign, buf, len)
 
   n = __snprintf (buf, len, "%.*" FLOAT_FMT_FLAG "f", MIN (ndigit, NDIGIT_MAX),
 		  value);
-  if (n < 0)
+  /* Check for a too small buffer.  */
+  if (n >= len)
     return -1;
 
   i = 0;
-- 
2.47.2