[xemacs-hg @ 2002-04-03 10:47:37 by ben] fix tty problem et al internals/internals.texi: Add section on correctly merging a branch back into the trunk. console-tty.c, eval.c, event-unixoid.c, file-coding.c, file-coding.h, lisp.h, print.c, sysdep.c: Fix data corruption error in print.c from print_depth becoming negative. Borrow primitives internal_bind_int, internal_bind_lisp_object from my stderr-proc ws, soon to be integrated; use them to properly bind print_depth et al. First fix for TTY problem. The basic problem is I switched things so that the TTY I/O is filtered through a coding system, for the support of kterm and such, that speak JIS or similar encodings. (#### I ***swear*** I had this working way back in 19.12.) Anyway, this introduced buffering issues, in which instead of one char being read, it tried to read 1024 chars. I tried setting the stdin descriptor non-blocking, but it doesn't appear to work on Cygwin. (#### Andy, do you know anything about this?) So I fixed it elsewhere. If you get weirdness on the TTY, look in console-tty.c and see how it gets the coding system; maybe there's a way to change it (and if not, there should be!). Also fix warning in sysdep.c.

--- a/src/lisp.h	Mon Apr 01 03:59:04 2002 +0000
+++ b/src/lisp.h	Wed Apr 03 10:47:52 2002 +0000
@@ -774,6 +774,9 @@
 #define VALBITS (BITS_PER_EMACS_INT - GCBITS)
 #define EMACS_INT_MAX ((EMACS_INT) ((1UL << (INT_VALBITS - 1)) -1UL))
 #define EMACS_INT_MIN (-(EMACS_INT_MAX) - 1)
+/* WARNING: evaluates its arg twice. */
+#define NUMBER_FITS_IN_AN_EMACS_INT(num) \
+  ((num) <= EMACS_INT_MAX && (num) >= EMACS_INT_MIN)
 
 #ifdef USE_UNION_TYPE
 # include "lisp-union.h"
@@ -3070,6 +3073,8 @@
 int record_unwind_protect (Lisp_Object (*) (Lisp_Object), Lisp_Object);
 int record_unwind_protect_freeing (void *ptr);
 int record_unwind_protect_freeing_dynarr (void *ptr);
+int internal_bind_int (int *addr, int newval);
+int internal_bind_lisp_object (Lisp_Object *addr, Lisp_Object newval);
 void do_autoload (Lisp_Object, Lisp_Object);
 Lisp_Object un_autoload (Lisp_Object);
 void warn_when_safe_lispobj (Lisp_Object, Lisp_Object, Lisp_Object);