stty: code shrink

The current implementation of 'stty' for Windows only uses a
limited subset of the flags in 'struct termios'.  Remove some
unused features.

Saves 16-40 bytes.

Signed-off-by: Ron Yorston <rmy@pobox.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/coreutils/stty.c b/coreutils/stty.c
index db4e2299d..2c3066a02 100644
--- a/coreutils/stty.c
+++ b/coreutils/stty.c
@@ -268,10 +268,15 @@ enum speed_setting {
 
 /* Which member(s) of 'struct termios' a mode uses */
 enum {
+#if !ENABLE_PLATFORM_MINGW32
         control, input, output, local, combination
+#else
+        local, combination
+#endif
 };
 static tcflag_t *get_ptr_to_tcflag(unsigned type, const struct termios *mode)
 {
+#if !ENABLE_PLATFORM_MINGW32
         static const uint8_t tcflag_offsets[] ALIGN1 = {
                 offsetof(struct termios, c_cflag), /* control */
                 offsetof(struct termios, c_iflag), /* input */
@@ -282,6 +287,9 @@ static tcflag_t *get_ptr_to_tcflag(unsigned type, const struct termios *mode)
                 return (tcflag_t*) (((char*)mode) + tcflag_offsets[type]);
         }
         return NULL;
+#else
+        return (type == local) ? (tcflag_t*)&mode->c_lflag : NULL;
+#endif
 }
 
 /* Flags for 'struct mode_info' */
@@ -1090,7 +1098,11 @@ static void do_display(const struct termios *mode, int all)
         int i;
         tcflag_t *bitsp;
         unsigned long mask;
+#if !ENABLE_PLATFORM_MINGW32
         int prev_type = control;
+#else
+        int prev_type = local;
+#endif
 
         display_speed(mode, 1);
         if (all)