From: Florian Weimer <fweimer@redhat.com>
Date: Wed, 7 Jul 2021 16:33:52 +0000 (+0200)
Subject: libio: Add hidden prototype for ungetc
X-Git-Tag: glibc-2.34~128
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=771473a8c4f44d11e8e6521a96f4e92c20984eb3;p=thirdparty%2Fglibc.git

libio: Add hidden prototype for ungetc

And make ungetc the primary symbol, with _IO_ungetc as an alias.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
---

diff --git a/include/stdio.h b/include/stdio.h
index 2e0dc80c16f..311adcf9539 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -212,6 +212,7 @@ libc_hidden_ldbl_proto (dprintf)
 libc_hidden_ldbl_proto (fprintf)
 libc_hidden_ldbl_proto (vfprintf)
 libc_hidden_ldbl_proto (sprintf)
+libc_hidden_proto (ungetc)
 libc_hidden_proto (fwrite)
 libc_hidden_proto (perror)
 libc_hidden_proto (remove)
diff --git a/libio/ioungetc.c b/libio/ioungetc.c
index dcf1c4ca9e0..e68a4aaca87 100644
--- a/libio/ioungetc.c
+++ b/libio/ioungetc.c
@@ -27,7 +27,7 @@
 #include "libioP.h"
 
 int
-_IO_ungetc (int c, FILE *fp)
+ungetc (int c, FILE *fp)
 {
   int result;
   CHECK_FILE (fp, EOF);
@@ -40,5 +40,5 @@ _IO_ungetc (int c, FILE *fp)
   _IO_release_lock (fp);
   return result;
 }
-
-weak_alias (_IO_ungetc, ungetc)
+libc_hidden_def (ungetc)
+strong_alias (ungetc, _IO_ungetc)