Code simplification in term.c.

* src/term.c: Do not include sys/ioctl.h, not needed.
(init_tty): Reorder code to reduce the number of #ifdefs.  No code
changes.

2 files changed, 73 insertions, 77 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index e6bf911952e..3b80698932c 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,9 @@
+2010-09-26  Dan Nicolaescu  <dann@ics.uci.edu>
+
+        * term.c: Do not include sys/ioctl.h, not needed.
+        (init_tty): Reorder code to reduce the number of #ifdefs.  No code
+        changes.
+
 2010-09-26  Teodor Zlatanov  <tzz@lifelogs.com>
 
         * process.h: Set up GnuTLS support.
diff --git a/src/term.c b/src/term.c
index 1b4484470e0..934d1b9cf72 100644
--- a/src/term.c
+++ b/src/term.c
@@ -31,10 +31,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <unistd.h>
 #endif
 
-#ifdef HAVE_SYS_IOCTL_H
-#include <sys/ioctl.h>
-#endif
-
 #include <signal.h>
 #include <stdarg.h>
 #include <setjmp.h>
@@ -3407,6 +3403,15 @@ init_tty (const char *name, const char *terminal_type, int must_succeed)
   tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm));
   Wcm_clear (tty);
 
+  encode_terminal_src_size = 0;
+  encode_terminal_dst_size = 0;
+
+#ifdef HAVE_GPM
+  terminal->mouse_position_hook = term_mouse_position;
+  mouse_face_window = Qnil;
+#endif
+
+  
 #ifndef DOS_NT
   set_tty_hooks (terminal);
 
@@ -3460,78 +3465,6 @@ init_tty (const char *name, const char *terminal_type, int must_succeed)
 
   add_keyboard_wait_descriptor (fileno (tty->input));
 
-#endif  /* !DOS_NT */
-
-  encode_terminal_src_size = 0;
-  encode_terminal_dst_size = 0;
-
-#ifdef HAVE_GPM
-  terminal->mouse_position_hook = term_mouse_position;
-  mouse_face_window = Qnil;
-#endif
-
-#ifdef DOS_NT
-#ifdef WINDOWSNT
-  initialize_w32_display (terminal);
-#else  /* MSDOS */
-  if (strcmp (terminal_type, "internal") == 0)
-    terminal->type = output_msdos_raw;
-  initialize_msdos_display (terminal);
-#endif  /* MSDOS */
-  tty->output = stdout;
-  tty->input = stdin;
-  /* The following two are inaccessible from w32console.c.  */
-  terminal->delete_frame_hook = &tty_free_frame_resources;
-  terminal->delete_terminal_hook = &delete_tty;
-
-  tty->name = xstrdup (name);
-  terminal->name = xstrdup (name);
-  tty->type = xstrdup (terminal_type);
-
-  add_keyboard_wait_descriptor (0);
-
-  Wcm_clear (tty);
-
-#ifdef WINDOWSNT
-  {
-    struct frame *f = XFRAME (selected_frame);
-
-    FrameRows (tty) = FRAME_LINES (f);
-    FrameCols (tty) = FRAME_COLS (f);
-    tty->specified_window = FRAME_LINES (f);
-
-    FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
-    FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none;
-  }
-#else  /* MSDOS */
-  {
-    int height, width;
-    get_tty_size (fileno (tty->input), &width, &height);
-    FrameCols (tty) = width;
-    FrameRows (tty) = height;
-  }
-#endif  /* MSDOS */
-  tty->delete_in_insert_mode = 1;
-
-  UseTabs (tty) = 0;
-  terminal->scroll_region_ok = 0;
-
-  /* Seems to insert lines when it's not supposed to, messing up the
-     display.  In doing a trace, it didn't seem to be called much, so I
-     don't think we're losing anything by turning it off.  */
-  terminal->line_ins_del_ok = 0;
-#ifdef WINDOWSNT
-  terminal->char_ins_del_ok = 1;
-  baud_rate = 19200;
-#else  /* MSDOS */
-  terminal->char_ins_del_ok = 0;
-  init_baud_rate (fileno (tty->input));
-#endif  /* MSDOS */
-
-  tty->TN_max_colors = 16;  /* Required to be non-zero for tty-display-color-p */
-
-#else  /* not DOS_NT */
-
   Wcm_clear (tty);
 
   tty->termcap_term_buffer = (char *) xmalloc (buffer_size);
@@ -3683,7 +3616,64 @@ use the Bourne shell command `TERM=... export TERM' (C-shell:\n\
   tty->TF_underscore = tgetflag ("ul");
   tty->TF_teleray = tgetflag ("xt");
 
-#endif /* !DOS_NT  */
+#else /* DOS_NT */
+#ifdef WINDOWSNT
+  {
+    struct frame *f = XFRAME (selected_frame);
+
+    initialize_w32_display (terminal);
+
+    FrameRows (tty) = FRAME_LINES (f);
+    FrameCols (tty) = FRAME_COLS (f);
+    tty->specified_window = FRAME_LINES (f);
+
+    FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
+    FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none;
+    terminal->char_ins_del_ok = 1;
+    baud_rate = 19200;
+  }
+#else  /* MSDOS */
+  {
+    int height, width;
+    if (strcmp (terminal_type, "internal") == 0)
+      terminal->type = output_msdos_raw;
+    initialize_msdos_display (terminal);
+
+    get_tty_size (fileno (tty->input), &width, &height);
+    FrameCols (tty) = width;
+    FrameRows (tty) = height;
+    terminal->char_ins_del_ok = 0;
+    init_baud_rate (fileno (tty->input));
+  }
+#endif  /* MSDOS */
+  tty->output = stdout;
+  tty->input = stdin;
+  /* The following two are inaccessible from w32console.c.  */
+  terminal->delete_frame_hook = &tty_free_frame_resources;
+  terminal->delete_terminal_hook = &delete_tty;
+
+  tty->name = xstrdup (name);
+  terminal->name = xstrdup (name);
+  tty->type = xstrdup (terminal_type);
+
+  add_keyboard_wait_descriptor (0);
+
+  /* FIXME: this should be removed,  done earlier. */
+  Wcm_clear (tty);
+
+  tty->delete_in_insert_mode = 1;
+
+  UseTabs (tty) = 0;
+  terminal->scroll_region_ok = 0;
+
+  /* Seems to insert lines when it's not supposed to, messing up the
+     display.  In doing a trace, it didn't seem to be called much, so I
+     don't think we're losing anything by turning it off.  */
+  terminal->line_ins_del_ok = 0;
+
+  tty->TN_max_colors = 16;  /* Required to be non-zero for tty-display-color-p */
+#endif  /* DOS_NT */
+
   terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD));
   init_kboard (terminal->kboard);
   terminal->kboard->Vwindow_system = Qnil;