add CALC2_COMPAT and version.h

Moved calc version definition from version.c to version.h.
Added CALC2_COMPAT, that when defined attempts to maintain calc
version 2 compatibility.  When MAJOR_VER <= 2, CALC2_COMPAT is
defined.  This is anticipation for a future calc version 3 code.

CHANGES

@@ -20,6 +20,11 @@ The following are the changes from calc version 2.14.3.5 to date:
     Added PTR_LEN (length of a pointer) and PTR_BITS (bit length
     of a pointer) to longbits.h.
 
+    Moved calc version definition from version.c to version.h.
+    Added CALC2_COMPAT, that when defined attempts to maintain calc
+    version 2 compatibility.  When MAJOR_VER <= 2, CALC2_COMPAT is
+    defined.  This is anticipation for a future calc version 3 code.
+
 
 The following are the changes from calc version 2.14.3.4 to 2.14.3.5:
 

Makefile

@@ -1126,7 +1126,8 @@ fposval.h: fposval.c have_fgetsetpos.h have_fpos_pos.h have_offscl.h have_posscl
 	else \
 	    echo 'WARNING!! ./fposval${EXT} failed, using fposval.h.def' 1>&2; \
 	    ${CAT} fposval.h.def >> $@; \
-	    echo 'WARNING!! for more info try: rm -f $@ ; ${MAKE} $@ S= Q=' 1>&2; \
+	    echo 'WARNING!! While this might be OK, it might be a sign something is wrong' 1>&2; \
+	    echo 'WARNING!! For more on what went wrong try: rm -f $@ ; ${MAKE} $@ S= Q=' 1>&2; \
 	fi
 	${Q} echo '' >> $@
 	${Q} echo '' >> $@
@@ -3766,6 +3767,7 @@ addop.o: block.h
 addop.o: byteswap.h
 addop.o: calc.h
 addop.o: calcerr.h
+addop.o: charbit.h
 addop.o: cmath.h
 addop.o: config.h
 addop.o: decl.h
@@ -3774,6 +3776,7 @@ addop.o: func.h
 addop.o: hash.h
 addop.o: have_ban_pragma.h
 addop.o: have_const.h
+addop.o: have_limits.h
 addop.o: have_memmv.h
 addop.o: have_newstr.h
 addop.o: have_stdlib.h
@@ -3803,6 +3806,7 @@ assocfunc.o: banned.h
 assocfunc.o: block.h
 assocfunc.o: byteswap.h
 assocfunc.o: calcerr.h
+assocfunc.o: charbit.h
 assocfunc.o: cmath.h
 assocfunc.o: config.h
 assocfunc.o: decl.h
@@ -3810,6 +3814,7 @@ assocfunc.o: endian_calc.h
 assocfunc.o: hash.h
 assocfunc.o: have_ban_pragma.h
 assocfunc.o: have_const.h
+assocfunc.o: have_limits.h
 assocfunc.o: have_memmv.h
 assocfunc.o: have_newstr.h
 assocfunc.o: have_stdlib.h
@@ -3830,6 +3835,7 @@ blkcpy.o: block.h
 blkcpy.o: byteswap.h
 blkcpy.o: calc.h
 blkcpy.o: calcerr.h
+blkcpy.o: charbit.h
 blkcpy.o: cmath.h
 blkcpy.o: config.h
 blkcpy.o: decl.h
@@ -3839,6 +3845,7 @@ blkcpy.o: hash.h
 blkcpy.o: have_ban_pragma.h
 blkcpy.o: have_const.h
 blkcpy.o: have_fgetsetpos.h
+blkcpy.o: have_limits.h
 blkcpy.o: have_memmv.h
 blkcpy.o: have_newstr.h
 blkcpy.o: have_stdlib.h
@@ -3857,6 +3864,7 @@ block.o: block.c
 block.o: block.h
 block.o: byteswap.h
 block.o: calcerr.h
+block.o: charbit.h
 block.o: cmath.h
 block.o: config.h
 block.o: decl.h
@@ -3864,6 +3872,7 @@ block.o: endian_calc.h
 block.o: hash.h
 block.o: have_ban_pragma.h
 block.o: have_const.h
+block.o: have_limits.h
 block.o: have_memmv.h
 block.o: have_newstr.h
 block.o: have_stdlib.h
@@ -3880,11 +3889,13 @@ byteswap.o: attribute.h
 byteswap.o: banned.h
 byteswap.o: byteswap.c
 byteswap.o: byteswap.h
+byteswap.o: charbit.h
 byteswap.o: cmath.h
 byteswap.o: decl.h
 byteswap.o: endian_calc.h
 byteswap.o: have_ban_pragma.h
 byteswap.o: have_const.h
+byteswap.o: have_limits.h
 byteswap.o: have_memmv.h
 byteswap.o: have_newstr.h
 byteswap.o: have_stdlib.h
@@ -3901,6 +3912,7 @@ calc.o: byteswap.h
 calc.o: calc.c
 calc.o: calc.h
 calc.o: calcerr.h
+calc.o: charbit.h
 calc.o: cmath.h
 calc.o: conf.h
 calc.o: config.h
@@ -3911,6 +3923,7 @@ calc.o: func.h
 calc.o: hash.h
 calc.o: have_ban_pragma.h
 calc.o: have_const.h
+calc.o: have_limits.h
 calc.o: have_memmv.h
 calc.o: have_newstr.h
 calc.o: have_stdlib.h
@@ -3951,6 +3964,7 @@ codegen.o: block.h
 codegen.o: byteswap.h
 codegen.o: calc.h
 codegen.o: calcerr.h
+codegen.o: charbit.h
 codegen.o: cmath.h
 codegen.o: codegen.c
 codegen.o: conf.h
@@ -3961,6 +3975,7 @@ codegen.o: func.h
 codegen.o: hash.h
 codegen.o: have_ban_pragma.h
 codegen.o: have_const.h
+codegen.o: have_limits.h
 codegen.o: have_memmv.h
 codegen.o: have_newstr.h
 codegen.o: have_stdlib.h
@@ -3985,6 +4000,7 @@ comfunc.o: alloc.h
 comfunc.o: attribute.h
 comfunc.o: banned.h
 comfunc.o: byteswap.h
+comfunc.o: charbit.h
 comfunc.o: cmath.h
 comfunc.o: comfunc.c
 comfunc.o: config.h
@@ -3992,6 +4008,7 @@ comfunc.o: decl.h
 comfunc.o: endian_calc.h
 comfunc.o: have_ban_pragma.h
 comfunc.o: have_const.h
+comfunc.o: have_limits.h
 comfunc.o: have_memmv.h
 comfunc.o: have_newstr.h
 comfunc.o: have_stdlib.h
@@ -4004,12 +4021,14 @@ commath.o: alloc.h
 commath.o: attribute.h
 commath.o: banned.h
 commath.o: byteswap.h
+commath.o: charbit.h
 commath.o: cmath.h
 commath.o: commath.c
 commath.o: decl.h
 commath.o: endian_calc.h
 commath.o: have_ban_pragma.h
 commath.o: have_const.h
+commath.o: have_limits.h
 commath.o: have_memmv.h
 commath.o: have_newstr.h
 commath.o: have_stdlib.h
@@ -4024,6 +4043,7 @@ config.o: block.h
 config.o: byteswap.h
 config.o: calc.h
 config.o: calcerr.h
+config.o: charbit.h
 config.o: cmath.h
 config.o: config.c
 config.o: config.h
@@ -4033,6 +4053,7 @@ config.o: endian_calc.h
 config.o: hash.h
 config.o: have_ban_pragma.h
 config.o: have_const.h
+config.o: have_limits.h
 config.o: have_memmv.h
 config.o: have_newstr.h
 config.o: have_stdlib.h
@@ -4058,6 +4079,7 @@ const.o: block.h
 const.o: byteswap.h
 const.o: calc.h
 const.o: calcerr.h
+const.o: charbit.h
 const.o: cmath.h
 const.o: config.h
 const.o: const.c
@@ -4066,6 +4088,7 @@ const.o: endian_calc.h
 const.o: hash.h
 const.o: have_ban_pragma.h
 const.o: have_const.h
+const.o: have_limits.h
 const.o: have_memmv.h
 const.o: have_newstr.h
 const.o: have_stdlib.h
@@ -4084,6 +4107,7 @@ custom.o: block.h
 custom.o: byteswap.h
 custom.o: calc.h
 custom.o: calcerr.h
+custom.o: charbit.h
 custom.o: cmath.h
 custom.o: config.h
 custom.o: custom.c
@@ -4093,6 +4117,7 @@ custom.o: endian_calc.h
 custom.o: hash.h
 custom.o: have_ban_pragma.h
 custom.o: have_const.h
+custom.o: have_limits.h
 custom.o: have_memmv.h
 custom.o: have_newstr.h
 custom.o: have_stdlib.h
@@ -4116,6 +4141,7 @@ file.o: block.h
 file.o: byteswap.h
 file.o: calc.h
 file.o: calcerr.h
+file.o: charbit.h
 file.o: cmath.h
 file.o: config.h
 file.o: decl.h
@@ -4128,6 +4154,7 @@ file.o: have_ban_pragma.h
 file.o: have_const.h
 file.o: have_fgetsetpos.h
 file.o: have_fpos_pos.h
+file.o: have_limits.h
 file.o: have_memmv.h
 file.o: have_newstr.h
 file.o: have_stdlib.h
@@ -4147,6 +4174,7 @@ fposval.o: alloc.h
 fposval.o: attribute.h
 fposval.o: banned.h
 fposval.o: byteswap.h
+fposval.o: charbit.h
 fposval.o: decl.h
 fposval.o: endian_calc.h
 fposval.o: fposval.c
@@ -4154,6 +4182,7 @@ fposval.o: have_ban_pragma.h
 fposval.o: have_const.h
 fposval.o: have_fgetsetpos.h
 fposval.o: have_fpos_pos.h
+fposval.o: have_limits.h
 fposval.o: have_memmv.h
 fposval.o: have_newstr.h
 fposval.o: have_offscl.h
@@ -4170,6 +4199,7 @@ func.o: block.h
 func.o: byteswap.h
 func.o: calc.h
 func.o: calcerr.h
+func.o: charbit.h
 func.o: cmath.h
 func.o: config.h
 func.o: custom.h
@@ -4182,6 +4212,7 @@ func.o: hash.h
 func.o: have_ban_pragma.h
 func.o: have_const.h
 func.o: have_fgetsetpos.h
+func.o: have_limits.h
 func.o: have_memmv.h
 func.o: have_newstr.h
 func.o: have_rusage.h
@@ -4215,6 +4246,7 @@ hash.o: block.h
 hash.o: byteswap.h
 hash.o: calc.h
 hash.o: calcerr.h
+hash.o: charbit.h
 hash.o: cmath.h
 hash.o: config.h
 hash.o: decl.h
@@ -4223,6 +4255,7 @@ hash.o: hash.c
 hash.o: hash.h
 hash.o: have_ban_pragma.h
 hash.o: have_const.h
+hash.o: have_limits.h
 hash.o: have_memmv.h
 hash.o: have_newstr.h
 hash.o: have_stdlib.h
@@ -4339,6 +4372,7 @@ help.o: block.h
 help.o: byteswap.h
 help.o: calc.h
 help.o: calcerr.h
+help.o: charbit.h
 help.o: cmath.h
 help.o: conf.h
 help.o: config.h
@@ -4347,6 +4381,7 @@ help.o: endian_calc.h
 help.o: hash.h
 help.o: have_ban_pragma.h
 help.o: have_const.h
+help.o: have_limits.h
 help.o: have_memmv.h
 help.o: have_newstr.h
 help.o: have_stdlib.h
@@ -4368,6 +4403,7 @@ hist.o: block.h
 hist.o: byteswap.h
 hist.o: calc.h
 hist.o: calcerr.h
+hist.o: charbit.h
 hist.o: cmath.h
 hist.o: config.h
 hist.o: decl.h
@@ -4375,6 +4411,7 @@ hist.o: endian_calc.h
 hist.o: hash.h
 hist.o: have_ban_pragma.h
 hist.o: have_const.h
+hist.o: have_limits.h
 hist.o: have_memmv.h
 hist.o: have_newstr.h
 hist.o: have_stdlib.h
@@ -4402,6 +4439,7 @@ input.o: block.h
 input.o: byteswap.h
 input.o: calc.h
 input.o: calcerr.h
+input.o: charbit.h
 input.o: cmath.h
 input.o: conf.h
 input.o: config.h
@@ -4410,6 +4448,7 @@ input.o: endian_calc.h
 input.o: hash.h
 input.o: have_ban_pragma.h
 input.o: have_const.h
+input.o: have_limits.h
 input.o: have_memmv.h
 input.o: have_newstr.h
 input.o: have_stdlib.h
@@ -4440,6 +4479,7 @@ label.o: block.h
 label.o: byteswap.h
 label.o: calc.h
 label.o: calcerr.h
+label.o: charbit.h
 label.o: cmath.h
 label.o: config.h
 label.o: decl.h
@@ -4448,6 +4488,7 @@ label.o: func.h
 label.o: hash.h
 label.o: have_ban_pragma.h
 label.o: have_const.h
+label.o: have_limits.h
 label.o: have_memmv.h
 label.o: have_newstr.h
 label.o: have_stdlib.h
@@ -4470,6 +4511,7 @@ lib_calc.o: block.h
 lib_calc.o: byteswap.h
 lib_calc.o: calc.h
 lib_calc.o: calcerr.h
+lib_calc.o: charbit.h
 lib_calc.o: cmath.h
 lib_calc.o: conf.h
 lib_calc.o: config.h
@@ -4480,6 +4522,7 @@ lib_calc.o: func.h
 lib_calc.o: hash.h
 lib_calc.o: have_ban_pragma.h
 lib_calc.o: have_const.h
+lib_calc.o: have_limits.h
 lib_calc.o: have_memmv.h
 lib_calc.o: have_newstr.h
 lib_calc.o: have_stdlib.h
@@ -4507,10 +4550,12 @@ lib_util.o: alloc.h
 lib_util.o: attribute.h
 lib_util.o: banned.h
 lib_util.o: byteswap.h
+lib_util.o: charbit.h
 lib_util.o: decl.h
 lib_util.o: endian_calc.h
 lib_util.o: have_ban_pragma.h
 lib_util.o: have_const.h
+lib_util.o: have_limits.h
 lib_util.o: have_memmv.h
 lib_util.o: have_newstr.h
 lib_util.o: have_stdlib.h
@@ -4525,6 +4570,7 @@ listfunc.o: banned.h
 listfunc.o: block.h
 listfunc.o: byteswap.h
 listfunc.o: calcerr.h
+listfunc.o: charbit.h
 listfunc.o: cmath.h
 listfunc.o: config.h
 listfunc.o: decl.h
@@ -4532,6 +4578,7 @@ listfunc.o: endian_calc.h
 listfunc.o: hash.h
 listfunc.o: have_ban_pragma.h
 listfunc.o: have_const.h
+listfunc.o: have_limits.h
 listfunc.o: have_memmv.h
 listfunc.o: have_newstr.h
 listfunc.o: have_stdlib.h
@@ -4558,6 +4605,7 @@ matfunc.o: banned.h
 matfunc.o: block.h
 matfunc.o: byteswap.h
 matfunc.o: calcerr.h
+matfunc.o: charbit.h
 matfunc.o: cmath.h
 matfunc.o: config.h
 matfunc.o: decl.h
@@ -4565,6 +4613,7 @@ matfunc.o: endian_calc.h
 matfunc.o: hash.h
 matfunc.o: have_ban_pragma.h
 matfunc.o: have_const.h
+matfunc.o: have_limits.h
 matfunc.o: have_memmv.h
 matfunc.o: have_newstr.h
 matfunc.o: have_stdlib.h
@@ -4587,6 +4636,7 @@ math_error.o: block.h
 math_error.o: byteswap.h
 math_error.o: calc.h
 math_error.o: calcerr.h
+math_error.o: charbit.h
 math_error.o: cmath.h
 math_error.o: config.h
 math_error.o: decl.h
@@ -4594,6 +4644,7 @@ math_error.o: endian_calc.h
 math_error.o: hash.h
 math_error.o: have_ban_pragma.h
 math_error.o: have_const.h
+math_error.o: have_limits.h
 math_error.o: have_memmv.h
 math_error.o: have_newstr.h
 math_error.o: have_stdlib.h
@@ -4614,6 +4665,7 @@ obj.o: block.h
 obj.o: byteswap.h
 obj.o: calc.h
 obj.o: calcerr.h
+obj.o: charbit.h
 obj.o: cmath.h
 obj.o: config.h
 obj.o: decl.h
@@ -4622,6 +4674,7 @@ obj.o: func.h
 obj.o: hash.h
 obj.o: have_ban_pragma.h
 obj.o: have_const.h
+obj.o: have_limits.h
 obj.o: have_memmv.h
 obj.o: have_newstr.h
 obj.o: have_stdlib.h
@@ -4647,6 +4700,7 @@ opcodes.o: block.h
 opcodes.o: byteswap.h
 opcodes.o: calc.h
 opcodes.o: calcerr.h
+opcodes.o: charbit.h
 opcodes.o: cmath.h
 opcodes.o: config.h
 opcodes.o: custom.h
@@ -4658,6 +4712,7 @@ opcodes.o: hash.h
 opcodes.o: have_ban_pragma.h
 opcodes.o: have_const.h
 opcodes.o: have_fgetsetpos.h
+opcodes.o: have_limits.h
 opcodes.o: have_memmv.h
 opcodes.o: have_newstr.h
 opcodes.o: have_stdlib.h
@@ -4682,10 +4737,12 @@ pix.o: alloc.h
 pix.o: attribute.h
 pix.o: banned.h
 pix.o: byteswap.h
+pix.o: charbit.h
 pix.o: decl.h
 pix.o: endian_calc.h
 pix.o: have_ban_pragma.h
 pix.o: have_const.h
+pix.o: have_limits.h
 pix.o: have_memmv.h
 pix.o: have_newstr.h
 pix.o: have_stdlib.h
@@ -4701,6 +4758,7 @@ poly.o: banned.h
 poly.o: block.h
 poly.o: byteswap.h
 poly.o: calcerr.h
+poly.o: charbit.h
 poly.o: cmath.h
 poly.o: config.h
 poly.o: decl.h
@@ -4708,6 +4766,7 @@ poly.o: endian_calc.h
 poly.o: hash.h
 poly.o: have_ban_pragma.h
 poly.o: have_const.h
+poly.o: have_limits.h
 poly.o: have_memmv.h
 poly.o: have_newstr.h
 poly.o: have_stdlib.h
@@ -4724,10 +4783,12 @@ prime.o: alloc.h
 prime.o: attribute.h
 prime.o: banned.h
 prime.o: byteswap.h
+prime.o: charbit.h
 prime.o: decl.h
 prime.o: endian_calc.h
 prime.o: have_ban_pragma.h
 prime.o: have_const.h
+prime.o: have_limits.h
 prime.o: have_memmv.h
 prime.o: have_newstr.h
 prime.o: have_stdlib.h
@@ -4742,11 +4803,13 @@ qfunc.o: alloc.h
 qfunc.o: attribute.h
 qfunc.o: banned.h
 qfunc.o: byteswap.h
+qfunc.o: charbit.h
 qfunc.o: config.h
 qfunc.o: decl.h
 qfunc.o: endian_calc.h
 qfunc.o: have_ban_pragma.h
 qfunc.o: have_const.h
+qfunc.o: have_limits.h
 qfunc.o: have_memmv.h
 qfunc.o: have_newstr.h
 qfunc.o: have_stdlib.h
@@ -4762,11 +4825,13 @@ qio.o: args.h
 qio.o: attribute.h
 qio.o: banned.h
 qio.o: byteswap.h
+qio.o: charbit.h
 qio.o: config.h
 qio.o: decl.h
 qio.o: endian_calc.h
 qio.o: have_ban_pragma.h
 qio.o: have_const.h
+qio.o: have_limits.h
 qio.o: have_memmv.h
 qio.o: have_newstr.h
 qio.o: have_stdlib.h
@@ -4781,11 +4846,13 @@ qmath.o: alloc.h
 qmath.o: attribute.h
 qmath.o: banned.h
 qmath.o: byteswap.h
+qmath.o: charbit.h
 qmath.o: config.h
 qmath.o: decl.h
 qmath.o: endian_calc.h
 qmath.o: have_ban_pragma.h
 qmath.o: have_const.h
+qmath.o: have_limits.h
 qmath.o: have_memmv.h
 qmath.o: have_newstr.h
 qmath.o: have_stdlib.h
@@ -4799,11 +4866,13 @@ qmod.o: alloc.h
 qmod.o: attribute.h
 qmod.o: banned.h
 qmod.o: byteswap.h
+qmod.o: charbit.h
 qmod.o: config.h
 qmod.o: decl.h
 qmod.o: endian_calc.h
 qmod.o: have_ban_pragma.h
 qmod.o: have_const.h
+qmod.o: have_limits.h
 qmod.o: have_memmv.h
 qmod.o: have_newstr.h
 qmod.o: have_stdlib.h
@@ -4817,10 +4886,12 @@ qtrans.o: alloc.h
 qtrans.o: attribute.h
 qtrans.o: banned.h
 qtrans.o: byteswap.h
+qtrans.o: charbit.h
 qtrans.o: decl.h
 qtrans.o: endian_calc.h
 qtrans.o: have_ban_pragma.h
 qtrans.o: have_const.h
+qtrans.o: have_limits.h
 qtrans.o: have_memmv.h
 qtrans.o: have_newstr.h
 qtrans.o: have_stdlib.h
@@ -4835,6 +4906,7 @@ quickhash.o: banned.h
 quickhash.o: block.h
 quickhash.o: byteswap.h
 quickhash.o: calcerr.h
+quickhash.o: charbit.h
 quickhash.o: cmath.h
 quickhash.o: config.h
 quickhash.o: decl.h
@@ -4842,6 +4914,7 @@ quickhash.o: endian_calc.h
 quickhash.o: hash.h
 quickhash.o: have_ban_pragma.h
 quickhash.o: have_const.h
+quickhash.o: have_limits.h
 quickhash.o: have_memmv.h
 quickhash.o: have_newstr.h
 quickhash.o: have_stdlib.h
@@ -4863,6 +4936,7 @@ sample_many.o: block.h
 sample_many.o: byteswap.h
 sample_many.o: calc.h
 sample_many.o: calcerr.h
+sample_many.o: charbit.h
 sample_many.o: cmath.h
 sample_many.o: config.h
 sample_many.o: decl.h
@@ -4870,6 +4944,7 @@ sample_many.o: endian_calc.h
 sample_many.o: hash.h
 sample_many.o: have_ban_pragma.h
 sample_many.o: have_const.h
+sample_many.o: have_limits.h
 sample_many.o: have_memmv.h
 sample_many.o: have_newstr.h
 sample_many.o: have_stdlib.h
@@ -4891,6 +4966,7 @@ sample_rand.o: block.h
 sample_rand.o: byteswap.h
 sample_rand.o: calc.h
 sample_rand.o: calcerr.h
+sample_rand.o: charbit.h
 sample_rand.o: cmath.h
 sample_rand.o: config.h
 sample_rand.o: decl.h
@@ -4898,6 +4974,7 @@ sample_rand.o: endian_calc.h
 sample_rand.o: hash.h
 sample_rand.o: have_ban_pragma.h
 sample_rand.o: have_const.h
+sample_rand.o: have_limits.h
 sample_rand.o: have_memmv.h
 sample_rand.o: have_newstr.h
 sample_rand.o: have_stdlib.h
@@ -4916,6 +4993,7 @@ seed.o: alloc.h
 seed.o: attribute.h
 seed.o: banned.h
 seed.o: byteswap.h
+seed.o: charbit.h
 seed.o: decl.h
 seed.o: endian_calc.h
 seed.o: have_arc4random.h
@@ -4926,6 +5004,7 @@ seed.o: have_getpgid.h
 seed.o: have_getprid.h
 seed.o: have_getsid.h
 seed.o: have_gettime.h
+seed.o: have_limits.h
 seed.o: have_memmv.h
 seed.o: have_newstr.h
 seed.o: have_rusage.h
@@ -4951,6 +5030,7 @@ sha1.o: banned.h
 sha1.o: block.h
 sha1.o: byteswap.h
 sha1.o: calcerr.h
+sha1.o: charbit.h
 sha1.o: cmath.h
 sha1.o: config.h
 sha1.o: decl.h
@@ -4958,6 +5038,7 @@ sha1.o: endian_calc.h
 sha1.o: hash.h
 sha1.o: have_ban_pragma.h
 sha1.o: have_const.h
+sha1.o: have_limits.h
 sha1.o: have_memmv.h
 sha1.o: have_newstr.h
 sha1.o: have_stdlib.h
@@ -4976,6 +5057,7 @@ size.o: banned.h
 size.o: block.h
 size.o: byteswap.h
 size.o: calcerr.h
+size.o: charbit.h
 size.o: cmath.h
 size.o: config.h
 size.o: decl.h
@@ -4983,6 +5065,7 @@ size.o: endian_calc.h
 size.o: hash.h
 size.o: have_ban_pragma.h
 size.o: have_const.h
+size.o: have_limits.h
 size.o: have_memmv.h
 size.o: have_newstr.h
 size.o: have_stdlib.h
@@ -5004,6 +5087,7 @@ str.o: block.h
 str.o: byteswap.h
 str.o: calc.h
 str.o: calcerr.h
+str.o: charbit.h
 str.o: cmath.h
 str.o: config.h
 str.o: decl.h
@@ -5011,6 +5095,7 @@ str.o: endian_calc.h
 str.o: hash.h
 str.o: have_ban_pragma.h
 str.o: have_const.h
+str.o: have_limits.h
 str.o: have_memmv.h
 str.o: have_newstr.h
 str.o: have_stdlib.h
@@ -5045,6 +5130,7 @@ symbol.o: block.h
 symbol.o: byteswap.h
 symbol.o: calc.h
 symbol.o: calcerr.h
+symbol.o: charbit.h
 symbol.o: cmath.h
 symbol.o: config.h
 symbol.o: decl.h
@@ -5053,6 +5139,7 @@ symbol.o: func.h
 symbol.o: hash.h
 symbol.o: have_ban_pragma.h
 symbol.o: have_const.h
+symbol.o: have_limits.h
 symbol.o: have_memmv.h
 symbol.o: have_newstr.h
 symbol.o: have_stdlib.h
@@ -5077,6 +5164,7 @@ token.o: block.h
 token.o: byteswap.h
 token.o: calc.h
 token.o: calcerr.h
+token.o: charbit.h
 token.o: cmath.h
 token.o: config.h
 token.o: decl.h
@@ -5084,6 +5172,7 @@ token.o: endian_calc.h
 token.o: hash.h
 token.o: have_ban_pragma.h
 token.o: have_const.h
+token.o: have_limits.h
 token.o: have_memmv.h
 token.o: have_newstr.h
 token.o: have_stdlib.h
@@ -5105,6 +5194,7 @@ value.o: block.h
 value.o: byteswap.h
 value.o: calc.h
 value.o: calcerr.h
+value.o: charbit.h
 value.o: cmath.h
 value.o: config.h
 value.o: decl.h
@@ -5115,6 +5205,7 @@ value.o: hash.h
 value.o: have_ban_pragma.h
 value.o: have_const.h
 value.o: have_fgetsetpos.h
+value.o: have_limits.h
 value.o: have_memmv.h
 value.o: have_newstr.h
 value.o: have_stdlib.h
@@ -5139,6 +5230,7 @@ version.o: block.h
 version.o: byteswap.h
 version.o: calc.h
 version.o: calcerr.h
+version.o: charbit.h
 version.o: cmath.h
 version.o: config.h
 version.o: decl.h
@@ -5146,6 +5238,7 @@ version.o: endian_calc.h
 version.o: hash.h
 version.o: have_ban_pragma.h
 version.o: have_const.h
+version.o: have_limits.h
 version.o: have_memmv.h
 version.o: have_newstr.h
 version.o: have_stdlib.h
@@ -5166,10 +5259,12 @@ zfunc.o: alloc.h
 zfunc.o: attribute.h
 zfunc.o: banned.h
 zfunc.o: byteswap.h
+zfunc.o: charbit.h
 zfunc.o: decl.h
 zfunc.o: endian_calc.h
 zfunc.o: have_ban_pragma.h
 zfunc.o: have_const.h
+zfunc.o: have_limits.h
 zfunc.o: have_memmv.h
 zfunc.o: have_newstr.h
 zfunc.o: have_stdlib.h
@@ -5182,11 +5277,13 @@ zio.o: args.h
 zio.o: attribute.h
 zio.o: banned.h
 zio.o: byteswap.h
+zio.o: charbit.h
 zio.o: config.h
 zio.o: decl.h
 zio.o: endian_calc.h
 zio.o: have_ban_pragma.h
 zio.o: have_const.h
+zio.o: have_limits.h
 zio.o: have_memmv.h
 zio.o: have_newstr.h
 zio.o: have_stdlib.h
@@ -5200,10 +5297,12 @@ zmath.o: alloc.h
 zmath.o: attribute.h
 zmath.o: banned.h
 zmath.o: byteswap.h
+zmath.o: charbit.h
 zmath.o: decl.h
 zmath.o: endian_calc.h
 zmath.o: have_ban_pragma.h
 zmath.o: have_const.h
+zmath.o: have_limits.h
 zmath.o: have_memmv.h
 zmath.o: have_newstr.h
 zmath.o: have_stdlib.h
@@ -5215,11 +5314,13 @@ zmod.o: alloc.h
 zmod.o: attribute.h
 zmod.o: banned.h
 zmod.o: byteswap.h
+zmod.o: charbit.h
 zmod.o: config.h
 zmod.o: decl.h
 zmod.o: endian_calc.h
 zmod.o: have_ban_pragma.h
 zmod.o: have_const.h
+zmod.o: have_limits.h
 zmod.o: have_memmv.h
 zmod.o: have_newstr.h
 zmod.o: have_stdlib.h
@@ -5233,11 +5334,13 @@ zmul.o: alloc.h
 zmul.o: attribute.h
 zmul.o: banned.h
 zmul.o: byteswap.h
+zmul.o: charbit.h
 zmul.o: config.h
 zmul.o: decl.h
 zmul.o: endian_calc.h
 zmul.o: have_ban_pragma.h
 zmul.o: have_const.h
+zmul.o: have_limits.h
 zmul.o: have_memmv.h
 zmul.o: have_newstr.h
 zmul.o: have_stdlib.h
@@ -5253,6 +5356,7 @@ zprime.o: banned.h
 zprime.o: block.h
 zprime.o: byteswap.h
 zprime.o: calcerr.h
+zprime.o: charbit.h
 zprime.o: cmath.h
 zprime.o: config.h
 zprime.o: decl.h
@@ -5260,6 +5364,7 @@ zprime.o: endian_calc.h
 zprime.o: hash.h
 zprime.o: have_ban_pragma.h
 zprime.o: have_const.h
+zprime.o: have_limits.h
 zprime.o: have_memmv.h
 zprime.o: have_newstr.h
 zprime.o: have_stdlib.h
@@ -5281,6 +5386,7 @@ zrand.o: banned.h
 zrand.o: block.h
 zrand.o: byteswap.h
 zrand.o: calcerr.h
+zrand.o: charbit.h
 zrand.o: cmath.h
 zrand.o: config.h
 zrand.o: decl.h
@@ -5288,6 +5394,7 @@ zrand.o: endian_calc.h
 zrand.o: hash.h
 zrand.o: have_ban_pragma.h
 zrand.o: have_const.h
+zrand.o: have_limits.h
 zrand.o: have_memmv.h
 zrand.o: have_newstr.h
 zrand.o: have_stdlib.h
@@ -5308,6 +5415,7 @@ zrandom.o: banned.h
 zrandom.o: block.h
 zrandom.o: byteswap.h
 zrandom.o: calcerr.h
+zrandom.o: charbit.h
 zrandom.o: cmath.h
 zrandom.o: config.h
 zrandom.o: decl.h
@@ -5315,6 +5423,7 @@ zrandom.o: endian_calc.h
 zrandom.o: hash.h
 zrandom.o: have_ban_pragma.h
 zrandom.o: have_const.h
+zrandom.o: have_limits.h
 zrandom.o: have_memmv.h
 zrandom.o: have_newstr.h
 zrandom.o: have_stdlib.h

custom/Makefile

@@ -694,6 +694,7 @@ c_argv.o: ../block.h
 c_argv.o: ../byteswap.h
 c_argv.o: ../calc.h
 c_argv.o: ../calcerr.h
+c_argv.o: ../charbit.h
 c_argv.o: ../cmath.h
 c_argv.o: ../config.h
 c_argv.o: ../custom.h
@@ -702,6 +703,7 @@ c_argv.o: ../endian_calc.h
 c_argv.o: ../hash.h
 c_argv.o: ../have_ban_pragma.h
 c_argv.o: ../have_const.h
+c_argv.o: ../have_limits.h
 c_argv.o: ../have_memmv.h
 c_argv.o: ../have_newstr.h
 c_argv.o: ../have_stdlib.h
@@ -713,6 +715,7 @@ c_argv.o: ../qmath.h
 c_argv.o: ../sha1.h
 c_argv.o: ../str.h
 c_argv.o: ../value.h
+c_argv.o: ../version.h
 c_argv.o: ../zmath.h
 c_argv.o: c_argv.c
 c_devnull.o: ../alloc.h
@@ -721,6 +724,7 @@ c_devnull.o: ../banned.h
 c_devnull.o: ../block.h
 c_devnull.o: ../byteswap.h
 c_devnull.o: ../calcerr.h
+c_devnull.o: ../charbit.h
 c_devnull.o: ../cmath.h
 c_devnull.o: ../config.h
 c_devnull.o: ../custom.h
@@ -729,6 +733,7 @@ c_devnull.o: ../endian_calc.h
 c_devnull.o: ../hash.h
 c_devnull.o: ../have_ban_pragma.h
 c_devnull.o: ../have_const.h
+c_devnull.o: ../have_limits.h
 c_devnull.o: ../have_memmv.h
 c_devnull.o: ../have_newstr.h
 c_devnull.o: ../have_stdlib.h
@@ -741,6 +746,7 @@ c_devnull.o: ../qmath.h
 c_devnull.o: ../sha1.h
 c_devnull.o: ../str.h
 c_devnull.o: ../value.h
+c_devnull.o: ../version.h
 c_devnull.o: ../zmath.h
 c_devnull.o: c_devnull.c
 c_help.o: ../alloc.h
@@ -749,6 +755,7 @@ c_help.o: ../banned.h
 c_help.o: ../block.h
 c_help.o: ../byteswap.h
 c_help.o: ../calcerr.h
+c_help.o: ../charbit.h
 c_help.o: ../cmath.h
 c_help.o: ../config.h
 c_help.o: ../custom.h
@@ -757,6 +764,7 @@ c_help.o: ../endian_calc.h
 c_help.o: ../hash.h
 c_help.o: ../have_ban_pragma.h
 c_help.o: ../have_const.h
+c_help.o: ../have_limits.h
 c_help.o: ../have_memmv.h
 c_help.o: ../have_newstr.h
 c_help.o: ../have_stdlib.h
@@ -769,6 +777,7 @@ c_help.o: ../qmath.h
 c_help.o: ../sha1.h
 c_help.o: ../str.h
 c_help.o: ../value.h
+c_help.o: ../version.h
 c_help.o: ../zmath.h
 c_help.o: c_help.c
 c_pmodm127.o: ../alloc.h
@@ -777,6 +786,7 @@ c_pmodm127.o: ../banned.h
 c_pmodm127.o: ../block.h
 c_pmodm127.o: ../byteswap.h
 c_pmodm127.o: ../calcerr.h
+c_pmodm127.o: ../charbit.h
 c_pmodm127.o: ../cmath.h
 c_pmodm127.o: ../config.h
 c_pmodm127.o: ../custom.h
@@ -785,6 +795,7 @@ c_pmodm127.o: ../endian_calc.h
 c_pmodm127.o: ../hash.h
 c_pmodm127.o: ../have_ban_pragma.h
 c_pmodm127.o: ../have_const.h
+c_pmodm127.o: ../have_limits.h
 c_pmodm127.o: ../have_memmv.h
 c_pmodm127.o: ../have_newstr.h
 c_pmodm127.o: ../have_stdlib.h
@@ -796,6 +807,7 @@ c_pmodm127.o: ../qmath.h
 c_pmodm127.o: ../sha1.h
 c_pmodm127.o: ../str.h
 c_pmodm127.o: ../value.h
+c_pmodm127.o: ../version.h
 c_pmodm127.o: ../zmath.h
 c_pmodm127.o: c_pmodm127.c
 c_pzasusb8.o: ../alloc.h
@@ -804,6 +816,7 @@ c_pzasusb8.o: ../banned.h
 c_pzasusb8.o: ../block.h
 c_pzasusb8.o: ../byteswap.h
 c_pzasusb8.o: ../calcerr.h
+c_pzasusb8.o: ../charbit.h
 c_pzasusb8.o: ../cmath.h
 c_pzasusb8.o: ../config.h
 c_pzasusb8.o: ../custom.h
@@ -812,6 +825,7 @@ c_pzasusb8.o: ../endian_calc.h
 c_pzasusb8.o: ../hash.h
 c_pzasusb8.o: ../have_ban_pragma.h
 c_pzasusb8.o: ../have_const.h
+c_pzasusb8.o: ../have_limits.h
 c_pzasusb8.o: ../have_memmv.h
 c_pzasusb8.o: ../have_newstr.h
 c_pzasusb8.o: ../have_stdlib.h
@@ -823,6 +837,7 @@ c_pzasusb8.o: ../qmath.h
 c_pzasusb8.o: ../sha1.h
 c_pzasusb8.o: ../str.h
 c_pzasusb8.o: ../value.h
+c_pzasusb8.o: ../version.h
 c_pzasusb8.o: ../zmath.h
 c_pzasusb8.o: c_pzasusb8.c
 c_register.o: ../alloc.h
@@ -832,6 +847,7 @@ c_register.o: ../block.h
 c_register.o: ../byteswap.h
 c_register.o: ../calc.h
 c_register.o: ../calcerr.h
+c_register.o: ../charbit.h
 c_register.o: ../cmath.h
 c_register.o: ../config.h
 c_register.o: ../custom.h
@@ -840,6 +856,7 @@ c_register.o: ../endian_calc.h
 c_register.o: ../hash.h
 c_register.o: ../have_ban_pragma.h
 c_register.o: ../have_const.h
+c_register.o: ../have_limits.h
 c_register.o: ../have_memmv.h
 c_register.o: ../have_newstr.h
 c_register.o: ../have_stdlib.h
@@ -851,6 +868,7 @@ c_register.o: ../qmath.h
 c_register.o: ../sha1.h
 c_register.o: ../str.h
 c_register.o: ../value.h
+c_register.o: ../version.h
 c_register.o: ../zmath.h
 c_register.o: c_register.c
 c_sysinfo.o: ../alloc.h
@@ -860,6 +878,7 @@ c_sysinfo.o: ../block.h
 c_sysinfo.o: ../byteswap.h
 c_sysinfo.o: ../calc.h
 c_sysinfo.o: ../calcerr.h
+c_sysinfo.o: ../charbit.h
 c_sysinfo.o: ../cmath.h
 c_sysinfo.o: ../conf.h
 c_sysinfo.o: ../config.h
@@ -870,6 +889,7 @@ c_sysinfo.o: ../fposval.h
 c_sysinfo.o: ../hash.h
 c_sysinfo.o: ../have_ban_pragma.h
 c_sysinfo.o: ../have_const.h
+c_sysinfo.o: ../have_limits.h
 c_sysinfo.o: ../have_memmv.h
 c_sysinfo.o: ../have_newstr.h
 c_sysinfo.o: ../have_stdlib.h
@@ -884,6 +904,7 @@ c_sysinfo.o: ../qmath.h
 c_sysinfo.o: ../sha1.h
 c_sysinfo.o: ../str.h
 c_sysinfo.o: ../value.h
+c_sysinfo.o: ../version.h
 c_sysinfo.o: ../zmath.h
 c_sysinfo.o: ../zrand.h
 c_sysinfo.o: ../zrandom.h
@@ -894,6 +915,7 @@ custtbl.o: ../banned.h
 custtbl.o: ../block.h
 custtbl.o: ../byteswap.h
 custtbl.o: ../calcerr.h
+custtbl.o: ../charbit.h
 custtbl.o: ../cmath.h
 custtbl.o: ../config.h
 custtbl.o: ../custom.h
@@ -902,6 +924,7 @@ custtbl.o: ../endian_calc.h
 custtbl.o: ../hash.h
 custtbl.o: ../have_ban_pragma.h
 custtbl.o: ../have_const.h
+custtbl.o: ../have_limits.h
 custtbl.o: ../have_memmv.h
 custtbl.o: ../have_newstr.h
 custtbl.o: ../have_stdlib.h
@@ -912,5 +935,6 @@ custtbl.o: ../qmath.h
 custtbl.o: ../sha1.h
 custtbl.o: ../str.h
 custtbl.o: ../value.h
+custtbl.o: ../version.h
 custtbl.o: ../zmath.h
 custtbl.o: custtbl.c

version.c

@@ -34,6 +34,7 @@
 # include <string.h>
 #endif
 
+#include "version.h"
 #if defined(CALC_VER)
 # include <stdlib.h>
 # include <unistd.h>
@@ -51,42 +52,6 @@ static char *program;
 #include "banned.h"	/* include after system header <> includes */
 
 
-/*
- * MAJOR_VER
- *
- *      The MAJOR_VER remains at 2.  That are concepts for version 3 calc,
- *      but that is a long way off.  One of the main reasons why MAJOR_VER
- *      might incremented is if fundamental calc data objects (such as when ZVALUE
- *      or NUMBER or COMPLEX need to change) that would cause an incompatibility
- *      with existing hardware accelerators that are using fundamental calc data objects.
- *
- * MINOR_VER
- *
- *      The MINOR_VER changes when there are incompatible changes to the calc library
- *      or calc custom library.   The MINOR_VER might change if we need to make a major
- *      change to the math engine.  For example, when the way 0^x was evaluated, we
- *      changed MINOR_VER from 13 to 14.
- *
- * MAJOR_PATCH
- *
- *      The MAJOR_PATCH changes when there is an update to the calc library
- *      or calc custom library.  For example, the MAJOR_PATCH might increment when there
- *      are new builtin functions available, or when there is a change to how existing
- *      builtin functions process arguments.
- *
- * MINOR_PATCH
- *
- *      The MINOR_PATCH changes whenever there is any change in the calc release.
- *      For example, when the documentation changes, the MINOR_PATCH will increment.
- *      Moreover, when we are working towards a new production release,
- *      bug fix and improvement updates will cause MINOR_PATCH to increment.
- */
-#define MAJOR_VER	2	/* major library version */
-#define MINOR_VER	14	/* minor library version */
-#define MAJOR_PATCH	3	/* major software version level */
-#define MINOR_PATCH	5	/* minor software version level */
-
-
 /*
  * calc version constants
  */

version.h

@@ -0,0 +1,82 @@
+/*
+ * version - determine the version of calc
+ *
+ * Copyright (C) 2023  David I. Bell and Landon Curt Noll
+ *
+ * Primary author:  David I. Bell
+ *
+ * Calc is open software; you can redistribute it and/or modify it under
+ * the terms of the version 2.1 of the GNU Lesser General Public License
+ * as published by the Free Software Foundation.
+ *
+ * Calc is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU Lesser General
+ * Public License for more details.
+ *
+ * A copy of version 2.1 of the GNU Lesser General Public License is
+ * distributed with calc under the filename COPYING-LGPL.  You should have
+ * received a copy with calc; if not, write to Free Software Foundation, Inc.
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Under source code control:	1990/05/22 11:00:58
+ * File existed as early as:	1990
+ *
+ * chongo <was here> /\oo/\	http://www.isthe.com/chongo/
+ * Share and enjoy!  :-)	http://www.isthe.com/chongo/tech/comp/calc/
+ */
+
+
+#if !defined(INCLUDE_VERSION_H)
+#define INCLUDE_VERSION_H
+
+
+/*
+ * MAJOR_VER
+ *
+ *	The MAJOR_VER is 2 is the classical version of calc.
+ *	By default, MAJOR_VER == 2 also defines CALC2_COMPAT.
+ *
+ *      One of the main reasons why MAJOR_VER might incremented is
+ *	if fundamental calc data objects (such as when ZVALUE or NUMBER
+ *	or COMPLEX need to change) that would cause an incompatibility
+ *      with existing hardware accelerators that are using fundamental
+ *	calc data objects.
+ *
+ * MINOR_VER
+ *
+ *      The MINOR_VER changes when there are incompatible changes to the calc library
+ *      or calc custom library.   The MINOR_VER might change if we need to make a major
+ *      change to the math engine.  For example, when the way 0^x was evaluated, we
+ *      changed MINOR_VER from 13 to 14.
+ *
+ * MAJOR_PATCH
+ *
+ *      The MAJOR_PATCH changes when there is an update to the calc library
+ *      or calc custom library.  For example, the MAJOR_PATCH might increment when there
+ *      are new builtin functions available, or when there is a change to how existing
+ *      builtin functions process arguments.
+ *
+ * MINOR_PATCH
+ *
+ *      The MINOR_PATCH changes whenever there is any change in the calc release.
+ *      For example, when the documentation changes, the MINOR_PATCH will increment.
+ *      Moreover, when we are working towards a new production release,
+ *      bug fix and improvement updates will cause MINOR_PATCH to increment.
+ */
+#define MAJOR_VER	2	/* major library version */
+#define MINOR_VER	14	/* minor library version */
+#define MAJOR_PATCH	3	/* major software version level */
+#define MINOR_PATCH	5	/* minor software version level */
+
+/*
+ * calc version 2 compatibility
+ *
+ * Set MAJOR_VER <= 2 OR define CALC2_COMPAT.
+ */
+#if MAJOR_VER <= 2
+#define CALC2_COMPAT	/* enable calc version 2 compatibility */
+#endif
+
+
+#endif /* !INCLUDE_VERSION_H*/

zmath.h

@@ -35,6 +35,7 @@
 
 
 #if defined(CALC_SRC)	/* if we are building from the calc source tree */
+# include "version.h"
 # include "decl.h"
 # include "alloc.h"
 # include "endian_calc.h"
@@ -42,7 +43,9 @@
 # include "byteswap.h"
 # include "have_stdlib.h"
 # include "attribute.h"
+# include "charbit.h"
 #else
+# include <calc/version.h>
 # include <calc/decl.h>
 # include <calc/alloc.h>
 # include <calc/endian_calc.h>
@@ -50,6 +53,7 @@
 # include <calc/byteswap.h>
 # include <calc/have_stdlib.h>
 # include <calc/attribute.h>
+# include <calc/charbit.h>
 #endif
 #ifdef HAVE_STDLIB_H
 # include <stdlib.h>
@@ -61,14 +65,6 @@
 #endif
 
 
-#if !defined(TRUE)
-#define TRUE	((BOOL) 1)			/* booleans */
-#endif
-#if !defined(FALSE)
-#define FALSE	((BOOL) 0)
-#endif
-
-
 /*
  * NOTE: FULL must be twice the storage size of a HALF
  *	 HALF must be BASEB bits long
@@ -125,6 +121,30 @@ typedef SB32 SFULL;			/* signed FULL */
 #define HALF_LEN (sizeof(HALF))			/* length of HALF in bites */
 #define FULL_LEN (sizeof(FULL))			/* length of FULL in bites */
 
+
+/*
+ * calc historic booleans
+ */
+#if defined(CALC2_COMPAT)
+typedef SB32 BOOL;			/* calc v2 compatible TRUE or FALSE value */
+#else /* CALC2_COMPAT */
+typedef bool BOOL;			/* TRUE or FALSE value as C boolean */
+#endif /* CALC2_COMPAT */
+
+/*
+ * calc historic booleans
+ */
+#undef TRUE
+#undef FALSE
+#if defined(CALC2_COMPAT)
+#define TRUE	((BOOL) 1)			/* booleans */
+#define FALSE	((BOOL) 0)
+#else
+#define TRUE	((bool) true)
+#define FALSE	((bool) false)
+#endif
+
+
 /*
  * ROUNDUP(value, mult) - round up value to the next multiple of mult
  *
@@ -164,8 +184,19 @@ typedef FULL PRINT;			/* cast for zio printing functions */
 #define SWAP_B8_IN_PRINT(dest, src)	SWAP_B8_IN_FULL(dest, src)
 #endif
 typedef SB32 FLAG;			/* small value (e.g. comparison) */
-typedef SB32 BOOL;			/* TRUE or FALSE value */
+
-typedef SB32 LEN;			/* unit of length storage */
+/*
+ * length of internal integer values in units of HALF
+ */
+#if defined(CALC2_COMPAT)
+typedef SB32 LEN;			/* calc v2 compatible unit of length storage */
+#elif PTR_LEN >= 8
+typedef SB64 LEN;			/* use unit of length storage for 8 or more octet pointers */
+#elif PTR_LEN == 4
+typedef SB32 LEN;			/* use unit of length storage for 4 octet pointers */
+#else
+typedef SB32 LEN;			/* else assume we can support at least 4 octet pointers */
+#endif
 
 #define SWAP_B32_IN_HASH(dest, src)	(*(dest) = *(src))
 #define SWAP_B16_IN_HASH(dest, src)	SWAP_B16_IN_B32(dest, src)
@@ -235,9 +266,29 @@ typedef SB32 LEN;			/* unit of length storage */
 
 
 /*
- * LEN storage size must be <= FULL storage size
+ * MAXDATA - largest data object in bytes we will use
+ *
+ * We start with MAXDATA as 1/16 of the maximum address space.
+ * We limit to 1/16 because for a maximum complex value we
+ * will need 4 huge integers, plus other data, code and stack space.
  */
-#define MAXLEN	((LEN) 0x7fffffff >> 3) /* longest value allowed */
+#if defined(CALC2_COMPAT)
+#define MAXDATA (0x80000000>>3)		/* calc v2 compatible supported address space */
+#elif PTR_LEN >= 8
+#define MAXDATA ((LEN) 1<<(64-4))	/* 1/16 of a 64-bit address space */
+#elif PTR_LEN >= 4 && PTR_LEN < 8
+#define MAXDATA ((LEN) 1<<(32-2))	/* 1/16 of a 32-bit address space */
+#else
+   /\oo/\ unsupproted PTR_LEN /\oo/\ !!	/* firewall - reject PTR_LEN as unsupported */
+#endif
+
+/*
+ * MAXLEN - maximum length of internal integer values in units of HALF
+ *
+ * We limit MAXLEN based on 1 less than the number of HALFs that
+ * will fit into MAXDATA bytes.
+ */
+#define MAXLEN ((LEN) ((MAXDATA / HALF_LEN) - 1))	/* longest value allowed */
 
 
 #define MAXREDC 256			/* number of entries in REDC cache */