[newlib-cygwin] Cygwin: drop macro and code for CYGWIN_VERSION_OLD_STDIO_CRLF_HANDLING

[newlib-cygwin] Cygwin: drop macro and code for CYGWIN_VERSION_OLD_STDIO_CRLF_HANDLING

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=8883f0ea394d204b33d86eee88e198047d3b5400

commit 8883f0ea394d204b33d86eee88e198047d3b5400
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Wed Aug 3 15:38:11 2022 +0200

    Cygwin: drop macro and code for CYGWIN_VERSION_OLD_STDIO_CRLF_HANDLING
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/include/cygwin/version.h | 5 -----
 winsup/cygwin/syscalls.cc              | 6 ------
 2 files changed, 11 deletions(-)

diff --git a/winsup/cygwin/include/cygwin/version.h b/winsup/cygwin/include/cygwin/version.h
index ae1ab83d4..393c96c30 100644
--- a/winsup/cygwin/include/cygwin/version.h
+++ b/winsup/cygwin/include/cygwin/version.h
@@ -34,11 +34,6 @@ details. */
 #define CYGWIN_VERSION_USER_API_VERSION_COMBINED \
   CYGWIN_VERSION_PER_PROCESS_API_VERSION_COMBINED (user_data)
 
-/* Old APIs had getc/putc macros that conflict with new CR/LF handling in the
-   stdio buffers */
-#define CYGWIN_VERSION_OLD_STDIO_CRLF_HANDLING \
-  (CYGWIN_VERSION_USER_API_VERSION_COMBINED <= 20)
-
 #define CYGWIN_VERSION_CHECK_FOR_S_IEXEC \
   (CYGWIN_VERSION_USER_API_VERSION_COMBINED >= 36)
 
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
index a92948fba..e6d68cc07 100644
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -2898,12 +2898,6 @@ ctermid (char *str)
 extern "C" int
 _cygwin_istext_for_stdio (int fd)
 {
-  if (CYGWIN_VERSION_OLD_STDIO_CRLF_HANDLING)
-    {
-      syscall_printf ("fd %d: old API", fd);
-      return 0; /* we do it for old apps, due to getc/putc macros */
-    }
-
   cygheap_fdget cfd (fd, false, false);
   if (cfd < 0)
     {