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* New function: mkfifo.Kaz Kylheku2020-01-231-0/+21
| | | | | | | * configure: detect mkfifo. (sysif_init): Register mkfifo intrinsic. * txr.1: Documented.
* New functions utimes, lutimes.Kaz Kylheku2020-01-211-0/+108
| | | | | | | | | | | | | * configure: Detect various functions for setting file timestamps. * sysif.c (get_fd): Define this function for use by utimes also. (timens, do_utimes): New static functions. (wrap_utimes, wrap_lutimes): New static functions. (sysif_init): Register utimes and lutimes intrinsics. * txr.1: Documented.
* chmod: work on streams and descriptors using fchmod.Kaz Kyheku2020-01-151-2/+3
| | | | | | | | | * configure: extend chmod detection to cover fchmod. * sysif.c (get_fd): New static functions. (chmod_wrap): Include fchmod wrapping for integer or stream argument. (sysif_init): Register fchmod intrinsic.
* Version 231.txr-231Kaz Kylheku2020-01-121-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* configure: don't try to remove phony target.Kaz Kylheku2020-01-101-1/+0
| | | | | | | * configure: there is no need to 'rm -f conftest.yacc' before requesting that target, because it's correctly marked as a phony target. Even if a file by that name exists, make will execute the rule.
* build: deal with the mess of new Bison warnings.Kaz Kylheku2020-01-101-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | Newer versions of Bison produce spurious warnings in Yacc mode about %pure-parser being not POSIX conforming and also deprecated. Plus some strange fluff about "fix-its" that can be applied if option --update is specified. Let's detect at configure time whether the Yacc program being used is actually Bison 3.0 or greater, and if so, give it some flags to shut up these warnings. * Makefile (YACC_FLAGS): New variable, conditionally set based on yacc_is_newer_bison, also new variable, that being generated into config.make. (y.tab.c): Invoke $(TXR_YACC) with $(YACC_FLAGS). (conftest.yacc-version): New phony target for running Yacc with --version, out of the configure script. * configure (yacc_is_newer_bison): New variable. (gen_config_make): Generate yacc_is_newer_bison make variable. New test for whether Yacc is Bison. If so, and the version is >= 3.0, sets the yacc_is_newer_bison variable to y.
* gcc: disable annoying code quoting.Kaz Kylheku2020-01-081-0/+27
| | | | | | | | | | | | | Newer versions of gcc add a lot of aggravating spewage to the diagnostics, by including copies of the lines of code where the error occurs followed by a line showing the error location with a caret and some tilde underlining. * configure: new test to see whether the compiler emits a caret line for a program that has a syntax error (missing closing brace). If so, we test whether the compiler accepts the option -fno-diagnostics-show-caret, and if so, we add that option to DIAG_FLAGS in config.make.
* config.h: double definition of FLO_MAX_DIGKaz Kylheku2020-01-071-0/+1
| | | | | | * configure: add missing break statement into the loop that determines the definition for FLO_MAX_DIG, so we don't add multiple definitions. This reproduces on the Musl library.
* Copyright year bump 2020.Kaz Kylheku2019-12-311-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * LICENSE, LICENSE-CYG, METALICENSE, Makefile, alloca.h, args.c, args.h, arith.c, arith.h, buf.c, buf.h, cadr.c, cadr.h, chksum.c, chksum.h, chksums/crc32.c, chksums/crc32.h, combi.c, combi.h, configure, debug.c, debug.h, eval.c, eval.h, ffi.c, ffi.h, filter.c, filter.h, ftw.c, ftw.h, gc.c, gc.h, glob.c, glob.h, hash.c, hash.h, itypes.c, itypes.h, jmp.S, lib.c, lib.h, linenoise/linenoise.c, linenoise/linenoise.h, lisplib.c, lisplib.h, match.c, match.h, parser.c, parser.h, parser.l, parser.y, protsym.c, rand.c, rand.h, regex.c, regex.h, share/txr/stdlib/asm.tl, share/txr/stdlib/awk.tl, share/txr/stdlib/build.tl, share/txr/stdlib/cadr.tl, share/txr/stdlib/compiler.tl, share/txr/stdlib/conv.tl, share/txr/stdlib/debugger.tl, share/txr/stdlib/defset.tl, share/txr/stdlib/doloop.tl, share/txr/stdlib/error.tl, share/txr/stdlib/except.tl, share/txr/stdlib/ffi.tl, share/txr/stdlib/getopts.tl, share/txr/stdlib/getput.tl, share/txr/stdlib/hash.tl, share/txr/stdlib/ifa.tl, share/txr/stdlib/keyparams.tl, share/txr/stdlib/op.tl, share/txr/stdlib/package.tl, share/txr/stdlib/param.tl, share/txr/stdlib/path-test.tl, share/txr/stdlib/place.tl, share/txr/stdlib/pmac.tl, share/txr/stdlib/save-exe.tl, share/txr/stdlib/socket.tl, share/txr/stdlib/stream-wrap.tl, share/txr/stdlib/struct.tl, share/txr/stdlib/tagbody.tl, share/txr/stdlib/termios.tl, share/txr/stdlib/trace.tl, share/txr/stdlib/txr-case.tl, share/txr/stdlib/type.tl, share/txr/stdlib/vm-param.tl, share/txr/stdlib/with-resources.tl, share/txr/stdlib/with-stream.tl, share/txr/stdlib/yield.tl, signal.c, signal.h, socket.c, socket.h, stream.c, stream.h, struct.c, struct.h, strudel.c, strudel.h, sysif.c, sysif.h, syslog.c, syslog.h, termios.c, termios.h, tree.c, tree.h, txr.1, txr.c, txr.h, unwind.c, unwind.h, utf8.c, utf8.h, vm.c, vm.h, vmop.h, win/cleansvg.txr: Extended copyright notices to 2020.
* Version 230.txr-230Kaz Kylheku2019-12-201-1/+1
| | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise.
* config: improve check for PIE-disabling flags.Kaz Kylheku2019-12-191-2/+2
| | | | | | | * configure: the logic must be cumulative; the test for the code generation flag (e.g. -fno-pie) needs to incorporate the previously detected linker flag (e.g. -no-pie). On x86_64, -fno-pie by itself without -no-pie fails with errors.
* configure: better check for missing make.Kaz Kylheku2019-12-191-2/+2
| | | | | | * configure: don't fail with a "unbound variable $3" error if make is not found; correctly print "missing" and quit cleanly.
* configure: disable building as PIE.Kaz Kylheku2019-12-181-0/+25
| | | | | | | | | | | | | | | | On some GNU/Linux distributions, the compiler is configured for PIE (position-independent executables). This is horrible garbage which causes our "make tests" to run more than 22% slower (e.g. 8.22 seconds versus 6.69) which is unacceptable. Worse, this was implicated in a crash in TXR's exception handling logic. The committed workaround for that problem stays in place for users who want to build TXR in the PIE style anyway. * configure: detect which, if any, of the known gcc and clang options are available for disabling PIE and add those to opt_flags (which turns into OPT_FLAGS in config.make).
* Version 229.txr-229Kaz Kylheku2019-12-141-1/+1
| | | | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated. * protsym.c: Likewise.
* Add hyperbolic functions: sinh, cosh, and others.Kaz Kylheku2019-12-071-0/+20
| | | | | | | | | | | | | | | | | | | | * arith.c (sinh_s, cosh_s, tanh_s, asinh_s, acosh_s, atanh_s): New symbol variables. (sinh, cosh, tanh, asinh, acosh, atanh): New static functions. (sineh, cosih, tangh, asineh, acosih, atangh): New functions. (arith_init): Register sinh, cosh, tanh, asinh, acosh and atanh intrinsic functions, and initialize the new symbol variables. * configure: Detect availability of hyperbolic functions in math library and defne HAVE_HYPERBOLICS as 1 in config.h accordingly. * lib.h (sineh, cosih, tangh, asineh, acosih, atangh): Declared. * txr.1: Documented new hyperbolic functions and their method counterparts that a numeric struct can implement.
* Version 228.txr-228Kaz Kylheku2019-11-181-1/+1
| | | | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated. * protsym.c: Likewise.
* stat: support high resolution time stamps.Kaz Kylheku2019-10-291-0/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | * configure (have_sys_stat): New variable. Set to y when our test detects <sys/stat.h>. New test added for the presence of high resolution time stamps in struct stat. If we have these, we #define HAVE_STAT_NSEC 1 in config.h. * share/txr/stdlib/path-test.tl (path-newer): Compare nanosecond parts of the modification time if the seconds are equal, improving the resolution of the test. * sysif.c (atime_nsec_s, mtime_nsec_s, ctime_nsec_s): New symbol variables. (stat_to_struct): If nanosecond resolution is available, set the new nanosecond slots from the three tv_nsec fields in struct stat. Otherwise, set the new slots to zero. (sysif_init): Initialize the new symbol variables. Add the three new slots to the stat struct. * sysif.c (atime_nsec_s, mtime_nsec_s, ctime_nsec_s): Declared. * txr.1: Documented new atime-nsec, mtime-nsec and ctime-nsec slots of stat structure. Added note to path-newer mentioning high resolution support.
* Version 227.txr-227Kaz Kylheku2019-10-261-1/+1
| | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise.
* configure: stray exitKaz Kylheku2019-10-261-3/+0
| | | | | * configure: remove stray exit statement added while debugging memalign test on Solaris.
* Version 226.txr-226Kaz Kylheku2019-10-251-1/+1
| | | | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated. * protsym.c: Likewise.
* configure: memalign fixes.Kaz Kylheku2019-10-251-1/+23
| | | | | | | | | | | | | | | | | | | | | This fixes build problems on Mac OS and Solaris due to the introduction of the use of memalign. * configure: After detecting that __EXTENSIONS__ is required on Solaris and adding that to lang_flags, we must call gen_config_make so that it becomes available to subsequent configure tests. On Solaris, memalign is just in <stdlib.h>, so let's test for that first, then test for a memalign in <malloc.h>, and in that case add HAVE_MALLOC_H into config.h. Also, fixing two bugs here. Firstly, the memalign test used inverted logic, causing HAVE_MEMALIGN to be defined on platforms that don't have it. Secondly, the dummy while loop that is just supposed to be a control structure for forward breaks turned infinite due to a missing break at the bottom. * lib.c: if HAVE_MALLOC_H is defined and nonzero, then include <malloc.h>.
* gc: align objects more strictly.Kaz Kylheku2019-09-121-0/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In this commit, we ensure that objects in the heap are aligned to at east eight byte boundaries (the minimum alignment from most malloc implementations on 32 and 64 bit systems). If possible, we align objects to a multiple of their size, sizeof (obj_t), which is 16 bytes on 32 bit platforms and 32 bytes on 64 bit platforms. We do this by making the object array the first field of the heap structure, and by allocating it with an aligned allocator function, if possible. * configure: detect memory alignment function: either memalign (preferred) or else posix_memalign (ugly duckling). We conditionally add either HAVE_MEMALIGN or HAVE_POSIX_MEMALIGN into config.h. * gc.c (OBJ_ALIGN): New macro. (struct heap, heap_t): Put the block member first, so objects are aligned with the containing heap. (in_heap): If the pointer is not aligned to a multiple of OBJ_ALIGN, it can't be a heap object; return zero. If allocations of the heap are aligned, then we don't need the additional alignment check in the loop body; if the pointer lands in the array, then the earlier OBJ_ALIGN check assures us it must be aligned. If we have only malloc alignment, we must do the check; the pointer could be to an address divisible by 8 which is in the middle of an obj_t. * lib.c: If HAVE_MEMALIGN is true, then include <malloc.h> so we have it declared. (memalign): If HAVE_POSIX_MEMALIGN is true, this static function is defined; it's compatible with the Glibc memalign. If HAVE_MEMALIGN and HAVE_POSIX_MEMALIGN are false, then memalign is defined as a malloc wrapper which doesn't align. (chk_malloc_gc_more): Use memalign instead of malloc. If aligned allocation is available, this will cause the heap to be aligned to a multiple of the object size.
* All HAVE_* macros should be tested with #if, not #ifdef.Kaz Kylheku2019-09-121-3/+3
| | | | | | | | | | | | | | | | | * configure: In several config tests, test HAVE_SUPERLONG_T, HAVE_LONGLONG_T and HAVE_SYS_WAIT with #if. * lib.c: Test HAVE_GETENVIRONMENTSTRINGS with #if. * lib.h: Test HAVE_DOUBLE_INTPTR_T with #if. * mpi/mpi.c: Likewise. * mpi/mpi.h: Likewise. * socket.c: Test HAVE_GETADDRINFO with #if in three places. * stream.c: Test HAVE_SYS_WAIT and HAVE_SOCKETS with #if.
* Version 225.txr-225Kaz Kylheku2019-09-111-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Version 224.txr-224Kaz Kylheku2019-08-291-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* crypt: detect and use glibc's crypt_r.Kaz Kylheku2019-08-261-0/+29
| | | | | | | | | | * configure: New test for crypt_r, depositing HAVE_CRYPT_R preprocessor symbol in config.h. * sysif.c: Conditionally include <crypt.h> header. (crypt_wrap): Use crypt_r if HAVE_CRYPT_R is nonzero. (sysif_init): Register crypt intrinsic if we HAVE_CRYPT or if we HAVE_CRYPT_R.
* Version 223: ten years!txr-223Kaz Kylheku2019-08-141-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Version 222.txr-222Kaz Kylheku2019-07-301-1/+1
| | | | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated. * protsym.c: Likewise.
* Version 221.txr-221Kaz Kylheku2019-07-231-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Version 220.txr-220Kaz Kylheku2019-07-081-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Version 219.txr-219Kaz Kylheku2019-07-011-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Version 218.txr-218Kaz Kylheku2019-06-191-1/+1
| | | | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated. * protsym.c: Likewise.
* Version 217.txr-217Kaz Kylheku2019-06-101-1/+1
| | | | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated. * protsym.c: Likewise.
* Adding fcntl interface.Kaz Kylheku2019-06-091-1/+1
| | | | | | | | | | | | | | | | | | | * configure: changing HAVE_FCNTL_H to HAVE_FCNTL. * sysif.c (flock_s, type_s, whence_s, start_s, len_s, pid_s): New symbol variables. (flock_pack, flock_unpack, fcntl_wrap): New static functions. (sysif_init): Initialize new symbol variables. Create flock struct type. Register new intrinsic variables: o-accmode, o-rdonly, o-wronly, o-rdwr, o-creat, o-noctty, o-trunc, o-append, o-nonblock, o-sync, o-async, o-directory, o-nofollow, o-cloexec, o-direct, o-noatime, o-path, f-dupfd, f-dupfd-cloexec, f-getfd, f-setfd, fd-cloexec, f-getfl, f-setfl, f-getlk, f-setlk, f-setlkw, f-rdlck, f-wrlck, f-unlck, seek-set, seek-cur and seek-end. Register fcntl intrinsic function. * txr.1: Documented.
* bugfix: c_num won't convert most negative value.Kaz Kylheku2019-05-251-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | This bug causes a problem particularly in FFI. THe conversion of an integer to the FFI int type begins by conversion via c_num to the cnum type, which is at least as wide as int. Alas, the INT_MIN value (e.g. #x-80000000 on 32 bits) will not convert! Fixing this has a ripple effect. We alter the INT_PTR_MIN constant to include this value. This causes the derived NUM_MIN to also include the extra negative value, extending the fixnum range by one value. Everything seems to be okay. * configure: Decrease value of INT_PTR_MIN and DOUBLE_INTPTR_MIN constants by one to include the most negative two's complement value. * ffi.c (make_ffi_type_enum): We must not subtract 1 from INT_PTR_MIN here any more. * mpi.c (mp_in_range): If the bignum is negative, then extend the range check by one value, so that we don't reject the most negative two's complement value.
* Version 216.txr-216Kaz Kylheku2019-05-201-1/+1
| | | | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated. * protsym.c: Likewise.
* build: allow $(pwd)/configure to work.Kaz Kylheku2019-04-291-1/+12
| | | | | | | | | | | | | | | | | | | | | When the build is being done in the source directory, allow the configure script to be executed via path names other than just ./configure, such as an absolute path. Some distros use this. * configure (build_in_srcdir): New variable. (inode): New function. Rather than checking whether "$source_dir" is ".", we test whether they are the same inode. If they are the same, we now also set the build_in_srcdir variable in addition to generating the usual warning. (gen_config_make): Propagate the build_in_srcdir into config.make. * Makefile: use the build_in_srcdir variable from config.make to determine whether we are building in the source directory, rather than relying on top_srcdir being blank.
* Version 215.txr-215Kaz Kylheku2019-03-301-1/+1
| | | | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated. * protsym.c: Likewise.
* Version 214.txr-214Kaz Kylheku2019-03-221-1/+1
| | | | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated. * protsym.c: Likewise.
* float: turn out-of-range calculations into exceptions.Kaz Kylheku2019-03-121-0/+27
| | | | | | | | | | | | | | | On platforms that have the C99 fpclassify, we can use it to banish infinity and NaN representations. If such a thing arises, we throw an exception rather than producing an object that prints as #<bad-float>. * configure: add detection for fpclassify. * lib.c (bad_float): New inline function and macro. (flo): If the argument is other than zero, a normal value or a subnormal, then throw an exception. We thereby refuse to admit such objects into our numeric object system.
* Version 213.txr-213Kaz Kylheku2019-03-081-1/+1
| | | | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated. * protsym.c: Likewise.
* Version 212.txr-212Kaz Kylheku2019-02-241-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Version 211.txr-211Kaz Kylheku2019-02-181-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Version 210.txr-210Kaz Kylheku2019-02-141-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Version 209.txr-209Kaz Kylheku2019-02-081-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Version 208.txr-208Kaz Kylheku2019-01-281-1/+1
| | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise.
* Version 207.txr-207Kaz Kylheku2019-01-261-1/+1
| | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise.
* configure: problems with 128 bit integer detection.Kaz Kylheku2019-01-261-10/+11
| | | | | | | | | | | * configure: we can't assume that we can just edit "int" to "uint" in forming the superulong_t type. Let's consolidate the detection of the signed and unsigned superlong. Only if both are available, then emit material into config.h, along with a single constant: HAVE_SUPERLONG_T. * mpi/mpi-types.h: Don't refer to removed HAVE_USUPERLONG_T. Change superulong_t to usuperlong_t.
* Extend infrastructure for double_intptr_t.Kaz Kylheku2019-01-251-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | We support an unsigned version of the type, and add functions for converting between Lisp values and both types. * arith.c (bignum_dbl_uipt): New function, unsigned companion to existing bignum_dbl_ipt. (c_dbl_num, c_dbl_unum): New functions. * arith.h (bignum_dbl_uipt, c_dbl_num, c_dbl_unum): Declared. * configure (superulong_t, SIZEOF_DOUBLE_INTPTR, DOUBLE_INTPTR_MAX, DOUBLE_INTPTR_MIN, DOUBLE_UINTPTR_MAX, double_uintptr_t): New definitions going into config.h. * lib.h (dbl_cnum, dbl_ucnum): New typedefs: double-sized analogs of cnum and ucnum. * mpi/mpi.c (mp_set_double_uintptr, mp_get_double_uintptr, mp_get_double_intptr): New functions. (s_mp_in_big_range): New static function. (mp_in_double_intptr_range, mp_in_double_uintptr_range): New functions. * mpi/mpi.h (mp_set_double_uintptr, mp_get_double_intptr, mp_get_double_uintptr, mp_in_double_intptr_range, mp_in_double_uintptr_range): Declared.
* Fix some instances of 4 bytes = 32 bits assumption.Kaz Kylheku2019-01-231-4/+10
| | | | | | | | | | | | | | | | | * hash.c (equal_hash, eql_hash, cobj_eq_hash_op, hash_hash_op): Multiply object size by CHAR_BIT and switch on number of bits, rather than bytes. * sysif.c (off_t_num): Likewise. * arith.c, ffi.c, itypes.c, rand.c: In numerous #if directive, fix size tests from bytes to bits. * configure: in the test that detects integer types, and in the test for enabling large file offsets, detect one more variable from the system: the value of CHAR_BIT. This turns into SIZEOF_BYTE. We use that value instead of a hard-coded 8.
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