(tty_setup_colors): Treat any negative argument as -1.

[gnu-emacs] / src / term.c

diff --git a/src/term.c b/src/term.c
index bae059ea4398babc8e7c923b4fa9e97dbd8ca37a..8e4eb21c362dd63729258bd4b175bebd6cafeb48 100644 (file)
--- a/src/term.c
+++ b/src/term.c
@@ -2066,6 +2066,10 @@ void
 tty_setup_colors (mode)
      int mode;
 {
+  /* Canonicalize all negative values of MODE.  */
+  if (mode < -1)
+    mode = -1;
+
   switch (mode)
     {
       case -1:  /* no colors at all */
@@ -2108,7 +2112,7 @@ set_tty_color_mode (f, val)
   tty_color_mode_alist = Fintern_soft (build_string ("tty-color-mode-alist"),
                                       Qnil);
 
-  if (NATNUMP (val))
+  if (INTEGERP (val))
     color_mode = val;
   else
     {
@@ -2127,11 +2131,11 @@ set_tty_color_mode (f, val)
     current_mode = XCDR (current_mode_spec);
   else
     current_mode = Qnil;
-  if (NATNUMP (color_mode))
+  if (INTEGERP (color_mode))
     mode = XINT (color_mode);
   else
     mode = 0;  /* meaning default */
-  if (NATNUMP (current_mode))
+  if (INTEGERP (current_mode))
     old_mode = XINT (current_mode);
   else
     old_mode = 0;
@@ -2160,7 +2164,7 @@ term_init (terminal_type)
   char *area;
   char **address = &area;
   char *buffer = NULL;
-  const int buffer_size = 4096;
+  int buffer_size = 4096;
   register char *p;
   int status;
   struct frame *sf = XFRAME (selected_frame);
@@ -2596,3 +2600,5 @@ The function should accept no arguments.  */);
   defsubr (&Stty_display_color_cells);
 }
 
+/* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193
+   (do not change this comment) */