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* Incorrect typesetting for suspend macro syntax.Kaz Kylheku2016-03-291-1/+1
| | | | | * txr.1: Wrong troff macro used for syntax of suspend macro, rendering it invisible.
* Doc restructuring: Filesystem Access seection gone.Kaz Kylheku2016-03-281-237/+235
| | | | | | | * txr.1: open-file, open-tail and open-directory moved into Input and Output (Streams) section. remove-path and rename-path moved into System Programming. Filesystem Access section removed.
* New macro: lset.Kaz Kylheku2016-03-281-0/+31
| | | | | | | | | * lisplib.c (place_set_entries): Added "lset" to autoload list. * share/txr/stdlib/place.tl (lset): New macro. * txr.1: Documented lset.
* Adding rightmost item search functions.Kaz Kylheku2016-03-271-1/+79
| | | | | | | | | | | | | | | | | | * eval.c (eval_init): Registered intrinsics rmemq, rmemql, rmemqual, rmember, rmember-if, rposqual, rposql, rposq, rpos, rpos-if, rfind, rfind-if and rsearch. * lib.c (rmemq, rmemql, rmemqual, rmember, rmember-if, rposqual, rposql, rposq, rpos, rpos-if, rfind, rfind-if, rsearch): New functions. (rsearch_list): New static function. (search): Omit unreachable return statement. * lib.h (rmemq, rmemql, rmemqual, rmember, rmember-if, rposqual, rposql, rposq, rpos, rpos-if, rfind, rfind-if, rsearch): Declared. * txr.1: Documented.
* Doc fixes under condlet.Kaz Kylheku2016-03-261-6/+4
| | | | * txr.1: Fix inaccurate wording referring to pairs.
* Methods in time struct: time-local and time-utc.Kaz Kylheku2016-03-241-1/+38
| | | | | | | | | | | * lib.c (time_local_s, time_utc_s): New symbol variables. (time_meth): New static function. (time_init): Initialize new symbol variables. Create the time struct with two static slots, and initialize those static slots to be methods. * txr.1: Introduce "the epoch" term. Document the new methods.
* Mistake in time-string-local doc.Kaz Kylheku2016-03-241-2/+2
| | | | | * txr.1: Fixed wrongly copied and pasted reference to time-string-local and time-string-utc.
* HTML formatting issue in tree-case and tc.Kaz Kylheku2016-03-241-2/+2
| | | | * txr.1: similar stray space removed in two places.
* Stray word removed, and formatting fix.Kaz Kylheku2016-03-241-2/+2
| | | | * txr.1: Under Macro parameter lists again.
* HTML issue in doc.Kaz Kylheku2016-03-241-1/+1
| | | | | | * txr.1: One piece of syntax under the section Macro parameter lists looks fine in a man page rendering and in the PDF, but not in the HTML.
* New semantics for @(if) directive.Kaz Kylheku2016-03-221-35/+45
| | | | | | | | | | | | | | | * eval.h (if_s): Declared. * match.c (v_if): New static function. (dir_tables_init): Register v_if in v_directive_table under if symbol. * parser.y (IF): Token assigned to <lineno> type. (if_clause, elif_clauses_opt, else_clause_opt): New syntactic representation, understood by v_if. * txr.1: Documented if semantics more precisely, dropped the text about it being syntactic sugar for a cases with require, added compatibility note.
* Version 136.txr-136Kaz Kylheku2016-03-201-2/+2
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Improve documentation of file open modes.Kaz Kylheku2016-03-201-73/+82
| | | | | | | * txr.1: Restructured mode-string under open-file to give the syntax as a grammar, and explain its elements using indented paragraphs. No longer refers user to find documentation on the C fopen function.
* Permissive stream open mode strings.Kaz Kylheku2016-03-191-3/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is more to this patch than just more permissive mode strings. Now if a socket can be opened with mode "l2" for instance, and these options are effectively applied to the socket-specific "r+b" default, not to "r". * stream.c (parse_mode): New argument specifying a default mode. The syntax is relaxed, allowing previously required elements to be omitted. (normalize_mode): New argument specifying a default mode. Format mode is always called now, because an input string is no longer necessarily a valid fopen string even in cases when it doesn't specify any extensions. (open_file, open_fileno, open_tail, open_command, open_process): Use new normalize_mode argument for defaulting; normalize_mode no longer defaults to "r". * stream.h (stdio_mode_init_trivial): Macro removed. (stdio_mode_init_blank, stdio_mode_init_r, stdio_mode_init_rpb): New initializer macros. (parse_mode, normalize_mode): Declarations updated. * socket.c (sock_accept): In datagram socket case, use new parse_mode argument for defaulting using stdio_mode_init_rpb, rather than overriding a missing string with "r+b". (open_sockfd): Likewise, and use new normalize_mode argument similarly for defaulting the mode on a stream socket. * txr.1: Documented mode string permissiveness.
* Size mode meaningful in datagram sockets.Kaz Kylheku2016-03-191-0/+26
| | | | | | | | | | | | | | | | | | | | | | * socket.c (struct dgram_stream): new rx_max member. (make_dgram_sock_stream): New arguments: a struct stdio_mode, and pointer to prototype dgram socket. If a size is specified in the mode, then use that as rx_max. Otherwise if a prototype socket is specified, use its rx_max as the new socket's rx_max. Otherwise default on 65536. (dgram_get_byte_callback): Use d->rx_max as the capture size, rather than a hard-coded 65536. (sock_accept): Use d->rx_max as capture size for datagram. Parse the mode. Pass the parsed mode to make_dgram_sock_stream, as well as the accepting socket, so it can set up the rx_max for the new socket. (open_sockfd): Parse the mode and pass to make_dgram_sock_stream. * stream.c (parse_mode): Static function becomes extern. * stream.h (parse_mode): Declared. * txr.1: Documented.
* Buffer size digit in file open mode string.Kaz Kylheku2016-03-191-0/+13
| | | | | | | | | | | | | | | | | * streamn.c (struct stdio_handle): New member, buf. (stdio_stream_destroy): Free the stdio_handle's buf. (parse_mode): Handle digit character, converting it to integer value stored in m.buforder. (set_mode_props): Allocate a buffer and install into FILE * stream if the mode specifies a buforder. (make_stdio_stream_common): Initialize buffer to null. * stream.h (struct stdio_mode): New signed bitfield member, buforder. (stdio_mode_init_trivial): Initialize buforder member to -1. * txr.1: Documented size order digit.
* Sockets are r+b by default, not r+.Kaz Kylheku2016-03-181-1/+10
| | | | | | * socket.c (open_sockfd): Default mode string is "r+b". * txr.1: Documented.
* New l and u letters in stream open mode strings.Kaz Kylheku2016-03-181-3/+30
| | | | | | | | | | | | | | * stream.c (parse_mode): Recognize "l" and "u", and set new flags. (set_mode_props): More complicated behavior to integrate the new options with the line mode defaulting behavior of "i". * stream.h (struct stdio_mode): New members unbuf and linebuf. All members become bit fields of width 1. (stdio_mode_init_trivial): Initializers for new members. * txr.1: Documented.
* Support binding in @(repeat)/@(rep) :vars.Kaz Kylheku2016-03-161-6/+35
| | | | | | | | | | | | | | | | * match.c (extract_bindings): Check for (var expr) syntax, evaluate and bind. * match.h (vars_k): Declared. * parser.y (expand_repeat_rep_args): New static function. (repeat_rep_helper): The :counter and :var arguments of repeat/rep must be macro-expanded, since there can be Lisp expressions there. This supports the new feature, but also fixes the bug of :counter (var form) not expanding form. * txr.1: Updated documentation about :vars in @(repeat).
* Timeout parameter in sock-accept.Kaz Kylheku2016-03-151-1/+10
| | | | | | | | | | * socket.c (sock_accept): New third parameter specifying timeout. If a timeout is specified, use the select function to select socket for reading, datagram or stream. (sock_load_init): Update registration of sock-accept intrinsic to three arguments, one optional. * txr.1: Documented sock-accept's timeout parameter.
* Make connect interruptible and support timeout.Kaz Kylheku2016-03-151-1/+10
| | | | | | | | | | * socket.c (to_connect): New static function. (sock_connect): Use to_connect instead of calling connect directly. (lock_load_init): sock-connect intrinsic registration updated to three arguments, one optional. * txr.1: Documented sock-connect timeout.
* Implement socket timeouts.Kaz Kylheku2016-03-151-0/+33
| | | | | | | | | | | | | | | | | * lib.c (timeout_error_s): New symbol variable. (obj_init): Intern timeout-error, init new variable. * lib.h (timeout_error_s): Declared. * socket.c (sock_timeout, sock_send_timeout, sock_recv_timeout): New static functions. (sock_load_init): Register sock-send-timeout and sock-recv-timeout intrinsics. * stream.c (stdio_maybe_read_error, stdio_maybe_error): Convert EAGAIN into timeout_error_s. * txr.1: Documented.
* Bad formatting under sock-shutdown.Kaz Kylheku2016-03-151-0/+1
| | | | * txr.1: Missing .desc macro.
* @(output)_destination can be a stream.Kaz Kylheku2016-03-141-6/+12
| | | | | | | | | | * match.c (complex_open): If name is a stream object, just return it. (v_output): Do not close the output stream if it came from a destination expression specifying an existing stream, and thus wasn't created inside complex_open. * txr.1: Document stream destination in output directive.
* sock-connect return value change.Kaz Kylheku2016-03-141-1/+1
| | | | | | | * socket.c (sock_connect): return a useful value rather than t, namely the socket. * txr.1: Documented.
* All stdio streams get line buffering with i mode.Kaz Kylheku2016-03-141-4/+15
| | | | | | | | | | | * socket.c (open_sockfd): We no longer need to set stream sockets to line buffered mode here; it's done in set_mode_props. * stream.c (set_mode_props): If the mode specifies interactive, streams open for writing are also switched to line buffering. * txr.1: Documented under open-file, and open-socket.
* Obsolete statement about datagram sockets in doc.Kaz Kylheku2016-03-141-2/+0
| | | | | * txr.1: Datagram sockets don't use stdio streams any more, and do not use full buffering.
* Version 135.txr-135Kaz Kylheku2016-03-101-2/+2
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Documenting datagram streams.Kaz Kylheku2016-03-091-0/+99
| | | | | * txr.1: Briefly introduce datagram streams in sockets overview and describe in more detail in special section.
* Allow nil value in setenv.Kaz Kylheku2016-03-081-1/+45
| | | | | | | * sysif.c (setenv_wrap): If value is nil, and overwrite is missing or t, call unsetenv. * txr.1: Documented.
* Formatting under make-struct.Kaz Kylheku2016-03-071-1/+1
| | | | * txr.1: Syntax issue.
* Support umask function.Kaz Kylheku2016-03-021-0/+16
| | | | | | | * sysif.c (umask_wrap): New function. (sysif_init): Register umask intrinsic. * txr.1: Documented.
* Version 134.txr-134Kaz Kylheku2016-03-011-2/+2
| | | | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated. * inst.nsi: include .tl files in installer
* Prefix override in IP prefix functions.Kaz Kylheku2016-03-011-2/+22
| | | | | | | | | | | * share/txr/stdlib/socket.tl (sys:str-inaddr-net-impl): New argument weff. Overrides prefix. Bugfix here: we must base the number of octets on the calculated width before wextra is added to it. (str-inaddr-net, str-inaddr6-net): New optional width argument. * txr.1: Documented.
* Functions for address prefixes to slash notation.Kaz Kylheku2016-02-291-0/+48
| | | | | | | | | | | * lisplib.c (sock_set_entries): Autload entries for str-inaddr-net and str-in6addr-net. * share/txr/stdlib/socket.tl (str-inaddr-net, str-in6addr-net): New functions. * txr.1: Documented str-inaddr, str-in6-addr, str-inaddr-net and str-in6addr-net.
* expand-left and nexpand-left functions.Kaz Kylheku2016-02-291-1/+73
| | | | | | | | * eval.c (expand_left, nexpand_left): New static functions. (eval_init): Registered expand-left and nexpand-left intrinsics. * txr.1: Documented.
* Implement @(next nil).Kaz Kylheku2016-02-291-0/+12
| | | | | | | | * match.c (v_next): If argument to @(next) is nil, then evaluate remaining query in context with no list of files, and no data. * txr.1: Documented @(next nil).
* Doc: syslog-related fixes.Kaz Kylheku2016-02-281-4/+5
| | | | | | * txr.1: Refer to parameter as options, not option, and use .meta consistently. Don't refer to Syslog section in all caps.
* Doc: elsif doesn't exist.Kaz Kylheku2016-02-281-1/+1
| | | | * txr.1: replace nonexistent @(elsif) in example with @(elif).
* Documenting sockets.Kaz Kylheku2016-02-281-0/+572
| | | | * txr.1: Documented.
* Adding --eargs mechanism.Kaz Kylheku2016-02-021-1/+81
| | | | | | * txr.c (txr_main): Implement --eargs. * txr.1: Documented.
* Support setuid operation.Kaz Kylheku2016-01-231-0/+46
| | | | | | | | | | | | | | | | | | | | | * sysif.c (orig_euid, real_uid, repress_called, is_setuid): New static variables. (repress_privilege, drop_privilage, simulate_setuid): New functions. (RC_MAGIC): New preprocessor symbol. * sysif.c (repress_privilege, drop_privilage, simulate_setuid): Declared. * txr.c (txr_main): Call repress_privilege to check and remember whether we are in setuid mode, and temporarily drop the effective uid to the real one. (txr_main): Permanently drop privileges in all cases except script execution. In script execution cases, go through simulate_setuid to either set or preserve the effective user ID, or else drop privs. * txr.1: Documented setuid operation in new section.
* Semantics fix: unhandled exceptions must still unwind.Kaz Kylheku2016-01-221-13/+16
| | | | | | | | | | | | | | | | | * unwind.c (unhandled_ex): New static structure. (unwind_to_exit_point): The code to print the unhandled exception info and bail the process is moved here out of uw_throw. We do this in the situation when we have an unhandled exception, which is represented by the fact that the exception pointer points to the unhandled_ex structure. (uw_throw): If unhandled hook isn't a function, we don't abort; we go through the unwinding and unhandled processing. Also, ditto if the unhandled function returns, ditto. Unhandled processing is entered by substituting unhandled_ex for the not-found exception, and allowing unwind_to_exit point to be called. * txr.1: Document new behavior for unhandled exceptions and *unhandled-hook*.
* Version 133.txr-133Kaz Kylheku2016-01-211-2/+2
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Support for Base 64 encoding.Kaz Kylheku2016-01-211-0/+63
| | | | | | | | | | | | | * filter.c (tobase64_k, frombase64_k): New keyword symbol variables. (col_check, get_base64_char, b64_code): New static functions. (base64_decode, base64_encode): New functions. (filter_init): Initialize new keyword symbol variables, and register base64-encode and base64-decode intrinsic functions. * filter.h (base64_encode, base64_decode): Declared. * txr.1: Documented base64-encode, base64-decode, as well as :tobase64 and :frombase64.
* Grammar fix under string quasiliterals.Kaz Kylheku2016-01-191-1/+1
| | | | * txr.1: "variables substitutions".
* Grammar fix under cadr function.Kaz Kylheku2016-01-191-1/+1
| | | | * txr.1: "They encodes" fixed.
* New random-state-get-vec function.Kaz Kylheku2016-01-181-3/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | * arith.c (UINT_PTR_MAX_MP): New static variable. (biggnum_from_uintptr): New function. (in_uint_ptr_range): New static function. (c_uint_ptr_num): New function. (arith_init): Initialize UINT_PTR_MAX_MP. * arith.h (bignum_from_uintptr, c_uint_ptr_num): Declared. * eval.c (eval_init): Register random-state-get-vec. * mpi/mpi.c (mp_set_uintptr, mp_get_uintptr): New functions. (mp_set_intptr, mp_get_intptr): Expressed in terms of mp_set_uintptr and mp_get_uintptr. * mpi/mpi.h (mp_set_uintptr, mp_get_uintptr): Declared. * rand.c (make_random_state): Handle vector seed. (random_state_get_vec): New function. * rand.h (random_state_get_vec): Declared. * txr.1: Documented new feature in make-random-state and new random-state-get-vec function.
* Don't allow non-positive modulus in rand and random.Kaz Kylheku2016-01-181-0/+7
| | | | | | | | | | * rand.c (random): In fixnum case, allow only m >= 1. The code is restructured so that this check is done before we do some arithmetic with derived values, where the behavior can become undefined. * txr.1: Document the restriction on modulus range for rand and random.
* New function, split*.Kaz Kylheku2016-01-171-3/+15
| | | | | | | | | | | | | | | | | | * eval.c (eval_init): Register split*. * lib.c (split_star_func): New static function. (partition_split_common): Take pointer-to-function argument instead of boolean. Hoist this C function into the lazy cons. (partition): Pass pointer to partition_func ito partition_split_common, intsead of a flag requesting the use of partition_func. (split): Pass apointer to split_func into partition_split_common. (split_star): New function. * lib.h (split_star): Declared. * txr.1: Documented split*.
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