From 6822f7a99cc0f1dd49c3a4965f3eea6693ee4b72 Mon Sep 17 00:00:00 2001
From: vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4>
Date: Tue, 14 Sep 2021 14:03:49 +0000
Subject: [src/inp_str.c] Added a FIXME on a deprecated use of ungetc.

git-svn-id: https://scm.gforge.inria.fr/anonscm/svn/mpfr/trunk@14579 280ebfd0-de03-0410-8827-d642c229c3f4
---
 src/inp_str.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/inp_str.c b/src/inp_str.c
index 676255480..a725cc19b 100644
--- a/src/inp_str.c
+++ b/src/inp_str.c
@@ -73,6 +73,10 @@ mpfr_inp_str (mpfr_ptr rop, FILE *stream, int base, mpfr_rnd_t rnd_mode)
         break;
       c = getc (stream);
     }
+  /* FIXME: The use of ungetc has been deprecated since C99 when it
+     occurs at the beginning of a binary stream, and this may happen
+     on /dev/null. One could add a "if (c != EOF)" test, but let's
+     wait for some discussion in comp.std.c first... */
   ungetc (c, stream);
 
   if (MPFR_UNLIKELY (str_size == (size_t) -1 || str_size == 0 ||
-- 
cgit v1.2.1