[newlib-cygwin/main] fputwc: call __fputwc directly

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=47f079b98e46792c776dbea230d92a6dfc1d428f

commit 47f079b98e46792c776dbea230d92a6dfc1d428f
Author:     Corinna Vinschen <corinna@vinschen.de>
AuthorDate: Fri Jan 19 11:14:33 2024 +0100
Commit:     Corinna Vinschen <corinna@vinschen.de>
CommitDate: Fri Jan 19 11:51:01 2024 +0100

    fputwc: call __fputwc directly
    
    Avoid another hop in the call stack.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 newlib/libc/stdio/fputwc.c   | 7 ++++++-
 newlib/libc/stdio/fputwc_u.c | 2 +-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/newlib/libc/stdio/fputwc.c b/newlib/libc/stdio/fputwc.c
index 12a6170bbc55..e2aadefd53de 100644
--- a/newlib/libc/stdio/fputwc.c
+++ b/newlib/libc/stdio/fputwc.c
@@ -181,5 +181,10 @@ fputwc (wchar_t wc,
   struct _reent *reent = _REENT;
 
   CHECK_INIT(reent, fp);
-  return _fputwc_r (reent, wc, fp);
+  wint_t r;
+
+  _newlib_flockfile_start (fp);
+  r = __fputwc(reent, wc, fp);
+  _newlib_flockfile_end (fp);
+  return r;
 }
diff --git a/newlib/libc/stdio/fputwc_u.c b/newlib/libc/stdio/fputwc_u.c
index 7e7403b998eb..f54bcf30f735 100644
--- a/newlib/libc/stdio/fputwc_u.c
+++ b/newlib/libc/stdio/fputwc_u.c
@@ -44,5 +44,5 @@ fputwc_unlocked (wchar_t wc,
   struct _reent *reent = _REENT;
 
   CHECK_INIT(reent, fp);
-  return _fputwc_unlocked_r (reent, wc, fp);
+  return __fputwc(reent, wc, fp);
 }