* ioext.h: removed scm_duplicate_port prototype.

[bpt/guile.git] / libguile / ChangeLog

Mon Jul 21 04:03:42 1997  Gary Houston  <ghouston@actrix.gen.nz>

	* ioext.h: removed scm_duplicate_port prototype.

	* ioext.c (scm_primitive_dup2): return the new file descriptor
	instead of SCM_UNSPECIFIED, since similarity to scm_primitive_dup
	is convenient.
	(scm_fdopen): bug fix: don't try to make port unbuffered until its
	stream has been set.
	(scm_duplicate_port): deleted, there's now an implementation in
	boot-9.scm.
	(scm_primitive_dup2): do nothing if newfd == oldfd.

Sun Jul 20 03:55:49 1997  Gary Houston  <ghouston@actrix.gen.nz>

	* filesys.c (scm_close): oops, don't call SCM_INUM twice on the
	argument.

	* ioext.h: new prototypes.
	* ioext.c (scm_primitive_dup, scm_primitive_dup2): new procedures.

	* fluids.c (next_fluid_num): don't do
	SCM_THREAD_CRITICAL_SECTION_START/END unless USE_THREADS is defined.

	* ports.h: prototypes too.
	* ports.c (scm_mode_bits, scm_port_mode): moved from fports.c.

	* fports.h: prototype too.
	* fports.c (scm_evict_ports): moved from ioext.c.

Sat Jul 19 04:56:52 1997  Gary Houston  <ghouston@actrix.gen.nz>

	* ports.c (scm_close_port): return a boolean instead of unspecified.
	throw an error if an error other than EBADF occurs.

	* filesys.h: scm_close prototype.
	* filesys.c (scm_close): new procedure, can close file descriptors
	and ports (scsh compatible).

	* ports.c (scm_flush_all_ports): SCM_PROC incorrectly allowed an
	optional argument.

Fri Jul 18 11:19:53 1997  Marius Vollmer  <mvo@zagadka.ping.de>

	* fluids.c, fluid.h: New files.
	* Makefile.am (libguile_la_SOURCES): Added "fluids.c".
  	(modinclude_HEADERS): Added "fluids.h"
	
	* init.c: Include "fluids.h".  (scm_boot_guile_1): Added call to
 	scm_init_fluids to initialize the fluid machine.
  	(scm_start_stack): Initialize the fluids of the first root with
 	scm_make_initial_fluids.

	* root.h: Added "fluids" member to scm_root_state.
	* root.c: Include "fluids.h".  (scm_mark_root): Mark "fluids".
	(scm_make_root): Call scm_copy_fluids to make fluid bindings
 	unique for the new root when it has a parent.
	
	* smob.h: Include "libguile/print.h" to make scm_print_state
 	visible.

	* dynl.c (free_dynl_obj): New function to free the dynamic object
 	data. (dynl_smob): Use it.
	* dynl.c (scm_dynamic_link): Moved allocating of the memory for
 	the dynamic object data below the linking of the object to avoid
 	memory leak when the linking code throws an error.  Now the code
 	leaks a whole dynamically linked library when must_malloc throws,
 	but that should be much less likely.

Fri Jul 11 00:19:47 1997  Jim Blandy  <jimb@floss.red-bean.com>

	Changes to compile under gnu-win32, from Marcus Daniels:
	* stime.c (tzset): If tzset isn't provided, make it a NOP.
	(scm_localtime): Change SCM_EOF to SCM_EOL.
	(scm_mktime): Likewise.
	* socket.c: Don't include sys/un.h unless autoconf tells
	us Unix domain sockets are available.
	(scm_fill_sockaddr): Ignore Unix domain code.
	(scm_addr_vector): Likewise.
	(scm_init_addr_buffer): Likewise.
	(scm_socketpair): Don't include unless socketpair was
	found during autoconf.
	* simpos.c (SYSTNAME): Treat cygwin like Unix.
	* scmsigs.c (scm_pause): Don't include unless pause was found
	during autoconf.
	* posix.c (scm_getgroups): Don't include unless support function
	was found during autoconf (in this case, getgroups).
	(scm_setpwent): For setpwent.
	(scm_setegid): For setegid.
	* net_db.c (scm_inet_netof): Don't include unless support
	function was found during autoconf (in this case, inet_netof).
	(scm_lnaof): For inet_lnaof.
	(scm_inet_makeaddr): For inet_makeaddr.
	(scm_getnet): For getnetent, getnetbyname, getnetbyaddr.
	(scm_getproto): For getprotoent.
	(scm_getserv): For getservent.
	(scm_sethost): For sethostent, endhostent.
	(scm_setnet): For setnetent, endnetent.
	(scm_setproto): For setprotoent, endprotoent.
	(scm_setserv): For setservent, endservent.
	* scmconfig.h.in: Regenerated.

Thu Jul 10 00:22:24 1997  Jim Blandy  <jimb@floss.red-bean.com>

	* stime.c (scm_localtime, scm_mktime): Pass SCM_EOL to
	scm_misc_error, not SCM_EOF.

	* error.c (scm_wta): Pass SCM_EOL to scm_misc_error as the list of
	arguments for formatting the error message, not SCM_BOOL_F.  I
	think this is left over from the (eq? '() #f) days.

	* read.c (recsexpr): Give this a dummy definition if
	DEBUG_EXTENSIONS isn't #defined.

Fri Jul  4 23:42:17 1997  Marius Vollmer  <mvo@zagadka.ping.de>

	* coop-threads.c (scm_wait_condition_variable): Lock mutex again
 	after waiting.

Thu Jul  3 16:31:24 1997  Marius Vollmer  <mvo@zagadka.ping.de>

	* root.c (cwdr_outer_body): Bugfix: Pass `c' instead of `&c' to
 	scm_internal_catch.

Sat Jun 28 16:14:09 1997  Tim Pierce  <twp@twp.tezcat.com>

	* Makefile.am (libguile_la_LIBADD): Remove @ALLOCA@, since
	alloca.lo will be included in @LIBLOBJS@.  Something better than
	this should be possible.
	* Makefile.in: Regenerated.

Sat Jun 28 03:40:15 1997  Gary Houston  <ghouston@actrix.gen.nz>

	* simpos.h: prototype for scm_primitive_exit.
	* simpos.c (scm_primitive_exit): new procedure, terminates the 
	process	without unwinding the stack.

Sat Jun 28 03:45:25 1997  Tim Pierce  <twp@twp.tezcat.com>

	* regex-posix.c (scm_make_regexp): Make `flags' a variable-length
	argument and logior its components together, so the user doesn't
	have to do this explicitly.  Also, if regexp/basic is supplied, then
	turn off REG_EXTENDED.
	(scm_init_regex_posix): New regexp/basic symbol.
	(REG_BASIC): #define this if it is not already present.

Fri Jun 27 20:36:35 1997  Tim Pierce  <twpierce@bio-5.bsd.uchicago.edu>

	* Makefile.am (libguile_la_LIBADD): Include @ALLOCA@.
	(MOSTLYCLEANFILES): New target, changed from CLEANFILES.
	(CLEANFILES): New target, clean versiondat.h, libpath.h.
	(DISTCLEANFILES): New target, clean *.x.
	* Makefile.in: Regenerated.

Tue Jun 24 00:29:07 1997  Jim Blandy  <jimb@floss.red-bean.com>

	* script.c (scm_compile_shell_switches): Add 1997 to copyright
	years in usage message.

	* Makefile.am (libguile_la_LDFLAGS): Bump library version.
	* Makefile.in: Regenerated.

	* regex-posix.c (scm_init_regex_posix): Delete the regexp/nosub
	flag; I don't think we support it.
	(scm_make_regexp): Make sure the user doesn't pass the
	regexp/nosub flag.

	* regex-posix.c (scm_make_regexp, scm_regexp_exec): Add optional
	FLAGS arguments.
	(scm_init_regex_posix): Define constants for the REG_mumble flags;
	name them according to the SCSH convention: regexp/mumble.

	* regex-posix.h (scm_make_regexp, scm_regexp_exec): Update prototypes.

Mon Jun 23 18:44:49 1997  Jim Blandy  <jimb@floss.red-bean.com>

	* Makefile.am (libpath.h): Include the values of all the standard
	Makefile directory variables.  Print a message, but don't print
	all the commands.
	(versiondat.h): Print a message, but don't print all the commands.
	* load.c: #include "alist.h".
	(init_build_info): New function.
	(scm_init_load): Call it.
	* Makefile.in: Regenerated.

Sun Jun 22 19:12:58 1997  Jim Blandy  <jimb@floss.red-bean.com>

	* root.c: Establish a reliable catch-all handler for the new root.
	After all the Scheme handler function might signal an error too,
	and we don't want to lose that.
	(cwdr_inner_body): Renamed from cwdr_body.
	(cwdr_outer_body): New function, to establish the user's handler,
	and pass control to cwdr_inner_body.
	(cwdr): Establish the reliable catch-all handler here, and pass
	control to cwdr_outer_body.
	(struct cwdr_body_data): New field, handler, to allow cwdr to pass
	the user's handler through to cwdr_outer_body.
	* throw.c (scm_handle_by_message): Move guts into....
	(handler_message): New static function.
	(scm_handle_by_message_noexit): New function.
	* throw.h (scm_handle_by_message_noexit): New prototype.

	* __scm.h: (SCM_FENCE): New macro: optimizer will not move code
	across this.  Only works on GCC.  Otherwise, we hope for the best.
	(SCM_DEFER_INTS, SCM_ALLOW_INTS): Use FENCE appropriately.  I have
	the feeling that real thread systems will not need this...

Sun Jun 22 15:46:35 1997  Jim Blandy  <jimb@floss.red-bean.com>

	Try to detect when people are using one version of libguile and a
	different version of ice-9.  People have been skewing things and
	sending in bug reports.
	* Makefile.am (versiondat.h): New file to generate.
	* version.c: #include "versiondat.h", to get version info.
	(scm_libguile_config_stamp): New function.
	* script.c: #include "version.h".
	(scm_compile_switches): Call scm_version to get version number.
	* scmconfig.h.in, Makefile.in: Regenerated.
	* Makefile.in: Regenerated.

	* Makefile.am (ETAGS_ARGS): Catch SCM_PROC, etc. so we can find
	primitive definitions under their Scheme names.

	* Makefile.am (libguile_la_LDFLAGS): Update library version to
	1:2.  Helps avoid confusion between installed and uninstalled libs.

	* scmconfig.h.in: Regenerated.  (Needed after June 3 change to
	../configure.in.)

	* gdb_interface.h (GDB_INTERFACE): Remove semicolon and trailing
	backslash from definition; this should be used like: GDB_INTERFACE;

Sun Jun 22 04:00:32 1997  Gary Houston  <ghouston@actrix.gen.nz>

	* ioext.c (scm_duplicate_port): bug fix: don't try to make the
	new port unbuffered until its stream has been set.

Sat Jun 21 18:44:03 1997  Gary Houston  <ghouston@actrix.gen.nz>

	* ports.h: new prototype.
	* ports.c (scm_flush_all_ports): new procedure, scsh compatible.

Sat Jun 21 00:25:03 1997  Jim Blandy  <jimb@floss.red-bean.com>

	Make things compile neatly under Sun's C compiler.
	* dynl.c (scm_dynamic_func): Cast return value from sysdep_dynl_func.
	* extchrs.c (xmbtowc): Make the second arg a normal char, not
	unsigned, because that's what the ANSI function takes.
	* extchrs.h (xmbtowc): Corresponding change to prototype.
	* genio.c (scm_gen_getc): Make buf plain chars.  Nobody wants
	uchars here.
	* mbstrings.c (scm_mb_ilength): Use ANSI arg syntax.  Make DATA
	argument plain char *.
	* strings.c (scm_string): Use SCM_ROCHARS, since c is a plain
	char.
	* tag.c (scm_tag): Remove unreachable statement.
	* unif.c (scm_array_to_list): If we want to shift a 1 bit to the
	top of the word, it should be unsigned.

	* eval.c (scm_lookupcar1): Don't declare var2 unless USE_THREADS
	is defined, to avoid warnings; it's only used in the
	conflict-checking code.  Which might go away anyway.
	(SCM_CEVAL): All goto's targeting the `dispatch' label are in
	conditionals; put the label definition in an #if too, to stifle
	warnings.

	* Makefile.am (EXTRA_DIST): Include ChangeLog-gh and
	ChangeLog-threads in the distribution.
	* Makefile.in: Regenerated.

Fri Jun 20 10:03:41 1997  Tim Pierce  <twpierce@bio-5.bsd.uchicago.edu>

	* guile-snarf.in: Changed regexp to support CPPs that insert
	whitespace between lexical tokens (which munges the `%%%' snarf
	cookie).

Tue Jun 17 13:49:56 1997  Tim Pierce  <twpierce@bio-5.bsd.uchicago.edu>

	* load.c (scm_init_load_path): Append $(datadir)/guile to
	%load-path, so modules do not have to be installed in Guile's
	current version directory.

Mon Jun 16 17:20:55 1997  Marius Vollmer  <mvo@zagadka.ping.de>

	* dynl.c (scm_dynamic_call, scm_dynamic_args_call): Wrap dynamic
 	function call in SCM_DEFER_INTS/SCM_ALLOW_INTS.
	(scm_dynamic_link, scm_dynamic_unlink, scm_dynamic_func): Always
 	call the sysdep functions with deferred ints.
	* dynl.c, dynl-dl.c, dynl-dld.c, dynl-shl.c (sysdep_dynl_link,
 	sysdep_dynl_unlink, sysdep_dynl_func): Expect to be called with
 	deferred interrupts and insert SCM_ALLOW_INTS before throwing an
 	error.

	* dynl.c (scm_dynamic_unlink, scm_dynamic_call): Return
 	SCM_UNSPECIFIED.

Sat Jun 14 19:00:58 1997  Gary Houston  <ghouston@actrix.gen.nz>

	* scmsigs.c (sys_deliver_signals): add a comment about a probable bug.

Wed Jun 11 00:33:00 1997  Jim Blandy  <jimb@floss.red-bean.com>

	* Makefile.in: Regenerated after xtra_PLUGIN_guile_libs change in
	../configure.in.

Sun Jun  8 14:37:26 1997  Marius Vollmer  <mvo@zagadka.ping.de>

	* eval.c (scm_lookupcar1): New procedure to cope with a race
 	condition during lookup (when using threads).
	(scm_lookupcar): Implement in terms of scm_lookupcar1.
	(SCM_CEVAL): Use scm_lookupcar1 instead of scm_lookupcar in one
 	place.

Fri Jun  6 19:05:07 1997  Jim Blandy  <jimb@totoro.cyclic.com>

	* regex-posix.c (scm_regexp_exec): Use the `start' argument if
	supplied.  (Change from Tim Pierce.) 

Thu Jun  5 16:38:19 1997  Marius Vollmer  <mvo@zagadka.ping.de>

	* struct.c (init_struct): Forget to mention this in the "Wed Jun 4
 	23:47:01 1997" changelog: Slots are now initialized with `#f' by
 	default and not `()'.  `#f' is the canonical non-value in Scheme,
 	right?

Wed Jun  4 23:47:01 1997  Marius Vollmer  <mvo@zagadka.ping.de>

	* struct.c (struct_printer): New variable that holds a handle on
 	the Scheme variable *struct-printer*.  This variable can be set by
 	Scheme code to override the printing of structures.
	(scm_print_struct): If struct_printer is set, call it.  If it is
	not set, or returns #f, print the structure in the old fashion.
	Include "eval.h" for scm_apply.
	
Tue Jun  3 23:01:39 1997  Marius Vollmer  <mvo@zagadka.ping.de>

	* struct.c (scm_struct_ref, scm_struct_set_x): Use
 	scm_struct_i_n_words to get the number of fields, not
 	-scm_struct_n_extra_words.

	On the route to fancier struct printing:
	* struct.c (scm_print_struct): New function to print a structure.
  	Include "genio.h" to support it.  This function doesn't do
 	anything interesting right now, but I think it should be here
 	anyway.
	* struct.h: Include "print.h" and add prototype for
 	scm_print_struct.
	* print.c (scm_iprin1): Call scm_print_struct instead of trying to
 	print structures ourself.
	
Sun Jun  1 07:58:41 1997  Gary Houston  <ghouston@actrix.gen.nz>

	* scmsigs.c (sys_deliver_signals): bug fix: reset got_signal[i]
	before applying the handler in case it doesn't return.

Sat May 31 18:57:51 1997  Gary Houston  <ghouston@actrix.gen.nz>

	* scmsigs.h, async.h: updated.
	
	* _scm.h: if HAVE_RESTARTS is defined then don't use a SYSCALL
	loop.

	* posix.c (scm_uname): interpret only negative values as an error.
  	Solaris normally returns a positive value.

	* script.c (scm_compile_shell_switches): if we are not going into
	an interactive repl, set scm_mask_ints to zero so that asyncs can
	run.

	* simpos.c (scm_system):  don't ignore/unignore signals around
	the "system" call.

	* posix.c (scm_open_pipe): don't ignore/unignore signals around
	the "popen" call.

	* init.c (scm_boot_guile_1): don't call scm_init_signals, it's
	done in boot-9.scm instead.

	* scmsigs.c, async.c: Major rewriting of signal handling code.
	(scm_sigaction): new procedure.
 	(scm_sleep): don't wrap sleep in SCM_SYSCALL, it would mess up the
	timing.
	(scm_raise): return unspecified, throw error on failure.

Thu May 29 02:47:36 1997  Jim Blandy  <jimb@floss.cyclic.com>

	* regex-posix.c (scm_init_regex_posix): Register the "regex"
	feature, to help boot-9.scm decide whether to import the regex
	module. 

Thu May 29 02:19:40 1997  Jim Blandy  <jimb@floss.cyclic.com>

	* eval.c: Include scmconfig.h at the beginning of the file so that
 	HAVE_ALLOCA_H may properly be defined.  Thanks to Bill Janssen for
 	pointing this out.

	* regex-posix.c: #include "_scm.h" before conditionally #including
	<regex.h>; the former defines HAVE_REGCOMP.

	* regex-posix.c: #include <regex.h> conditionally, so the file is
	CPP'able (for dependency scanning) even on systems that don't have
	a <regex.h> header.

Tue May 27 23:48:38 1997  Jim Blandy  <jimb@floss.cyclic.com>

	Add new R4RS-compliant syntax for keywords.
	* read.c (scm_lreadr): Recognize `#:' as a prefix for keywords,
	regardless of the setting of the `keywords' read option.
	* kw.c (prin_kw): Print keywords using the `#:' syntax, so they
	can be re-read no matter what the setting of the `keywords' read
	option.

Tue May 27 22:47:31 1997  Tim Pierce  <twp@twp.tezcat.com>

	Add support for POSIX regular expressions.
	
	* regex-posix.c, regex-posix.h: New files. (Some code
	is taken liberally from rx/rgx.c in the old Guile dist.)

	* init.c: Include regex-posix.h.
	(scm_boot_guile_1): Call scm_init_regex_posix.
	
	* Makefile.am (EXTRA_libguile_la_SOURCES, modinclude_HEADERS):
	Add regex-posix.[ch] sources.
	* Makefile.in: Regenerated.
	
	* scmconfig.h.in: Add HAVE_REGCOMP macro.  (automake is supposed
	to do this automatically?  It didn't for me, bleh.)
	
Mon May 26 18:51:29 1997  Jim Blandy  <jimb@floss.cyclic.com>

	* fports.c (print_pipe_port): New function.
	(scm_fptob): Use print_pipe_port instead of scm_prinport; the
	latter doesn't even take the right arguments.

	* Makefile.am: Increment shared lib revision number.  I think
	sometimes the uninstalled Guile finds the installed shared lib;
	Gord says doing this might help.  As things turned out, I can't
	say whether it does.
	* Makefile.in: Regenerated.

	* gh_init.c (gh_enter): Cast c_main_prog to a void * before
 	passing it as the closure argument to scm_boot_guile.  (Bill
 	Janssen)
	
	* ports.c (print_void_port, putc_void_port, puts_void_port,
	write_void_port, flush_void_port, getc_void_port, close_void_port,
	noop0): Use ANSI prototypes instead of K&R declarations, so the
	initialization of void_port_ptob gets aggressively type-checked.
	Fix arguments of print_void_port and write_void_port.  (Bill
	Janssen)

	* COPYING, __scm.h, _scm.h, alist.c, alist.h, append.c, append.h,
 	appinit.c, arbiters.c, arbiters.h, async.c, async.h, backtrace.c,
 	backtrace.h, boolean.c, boolean.h, chars.c, chars.h,
 	continuations.c, continuations.h, coop-defs.h, coop-threads.c,
 	coop-threads.c.cygnus, coop-threads.h, coop-threads.h.cygnus,
 	coop.c, debug.c, debug.h, dynl-dl.c, dynl-dld.c, dynl-shl.c,
 	dynl-vms.c, dynl.c, dynl.h, dynwind.c, dynwind.h, eq.c, eq.h,
 	error.c, error.h, eval.c, eval.h, extchrs.h, feature.c, feature.h,
 	filesys.c, filesys.h, fports.c, fports.h, fsu-pthreads.h, gc.c,
 	gc.h, gdbint.c, gdbint.h, genio.c, genio.h, gh.h, gh_data.c,
 	gh_eval.c, gh_funcs.c, gh_init.c, gh_io.c, gh_list.c,
 	gh_predicates.c, gh_test_c.c, gh_test_repl.c, gscm.c, gscm.h,
 	gsubr.c, gsubr.h, guile.c, hash.c, hash.h, hashtab.c, hashtab.h,
 	init.c, init.h, ioext.c, ioext.h, kw.c, kw.h, libguile.h, list.c,
 	list.h, load.c, load.h, mallocs.c, mallocs.h, markers.c,
 	markers.h, mbstrings.c, mbstrings.h, mit-pthreads.c,
 	mit-pthreads.h, net_db.c, net_db.h, numbers.c, numbers.h,
 	objprop.c, objprop.h, options.c, options.h, pairs.c, pairs.h,
 	ports.c, ports.h, posix.c, posix.h, print.c, print.h, procprop.c,
 	procprop.h, procs.c, procs.h, putenv.c, ramap.c, ramap.h, read.c,
 	read.h, root.c, root.h, scmhob.h, scmsigs.c, scmsigs.h, script.c,
 	script.h, sequences.c, sequences.h, simpos.c, simpos.h, smob.c,
 	smob.h, snarf.h, socket.c, socket.h, srcprop.c, srcprop.h,
 	stackchk.c, stackchk.h, stacks.c, stacks.h, stime.c, stime.h,
 	strings.c, strings.h, strop.c, strop.h, strorder.c, strorder.h,
 	strports.c, strports.h, struct.c, struct.h, symbols.c, symbols.h,
 	tag.c, tag.h, tags.h, threads.c, threads.h, throw.c, throw.h,
 	unif.c, unif.h, variable.c, variable.h, vectors.c, vectors.h,
 	version.c, version.h, vports.c, vports.h, weaks.c, weaks.h: New
 	address for FSF.

Mon May 26 12:37:30 1997  Jim Blandy  <jimb@floss.cyclic.com>

	* script.c (scm_find_executable): Use prototype-style definition
 	here; apparently it's not quite right to have const in a prototype
 	and then use a K&R declaration.  I wonder if stuff like this will
 	go away if we compile with -Wrequire-prototypes, or whatever that
 	is...  (Bernard URBAN)

	* scmhob.h: New text from Bernard URBAN.

Sat May 17 17:14:36 1997  Jim Blandy  <jimb@floss.cyclic.com>

	* script.c: Don't #define const on hpux.  Configure takes care of
	this.  (Thanks to Larry Schwimmer.)

	* script.c: Use the HAVE_UNISTD_H symbol provided by autoconf to
	decide whether to #include <unistd.h>, instead of listing a bunch
	of systems.  Don't #include stdio twice.  Removed dyked-out
	definition of scm_find_impl_file.

Fri May 16 03:06:08 1997  Jim Blandy  <jimb@floss.cyclic.com>

	* Makefile.am (libguile_la_LDFLAGS): Update libguile's shared
	library version info to 1:0.
	* Makefile.in: Regenerated.

	* backtrace.c, backtrace.h, debug.c, debug.h, eq.c,
 	gdb_interface.h, gdbint.c, gdbint.h, gh_data.c, gh_init.c,
 	gh_io.c, gh_list.c, gh_predicates.c, gh_test_c.c, gh_test_repl.c,
 	init.c, net_db.c, options.c, options.h, ports.c, print.c, read.c,
 	script.h, snarf.h, srcprop.c, srcprop.h, stacks.c, stacks.h,
 	throw.c: Update copyright years; these files have been worked on
	significantly in 1997, but only had copyright years for 1996.
	Also, change name of copyright holder on some from Mikael
	Djurfeldt to Free Software Foundation; he has signed papers
	assigning the changes to the FSF.
	
	* script.c (scm_shell_usage): Pass FATAL to exit.  There's no
	reason not to give the user the option.

	* net_db.c (scm_gethost, scm_getnet, scm_getproto, scm_getserv):
	Return #f on end-of-file when scanning table (i.e. when called
	with no arguments).  Try to catch errors, when we can.
	* posix.c (scm_getgrgid, scm_getpwuid): Same.
	
	* script.h (scm_shell_usage, scm_compile_shell_switches): New
	external declarations.  These are useful.

Thu May 15 05:21:36 1997  Gary Houston  <ghouston@actrix.gen.nz>

	* posix.c: don't include <sys/select.h> or define macros for
	select, since they were not used in this file.

	* filesys.c (scm_select): make the fifth parameter microseconds,
	not milliseconds.  let the fourth parameter be either a real value
	or an integer or #f.  The first, second and third arguments can
	now be vectors: the type of the corresponding return set will be
	the same.
	(set_element, get_element): new static procedures.

Wed May 14 12:18:12 1997  Jim Blandy  <jimb@floss.cyclic.com>

	* strports.c (scm_eval_string): New function.
	(scm_eval_0str): Trivially re-implemented in terms of
	scm_eval_string.
	* strports.h (scm_eval_string): New extern decl.

	* net_db.c (h_errno): Add extern decl for this.

	* fports.c (local_pclose): New function.
	(scm_pipob): Use it in the initializer here.

	From Tim Pierce:
	* net_db.c (scm_gethost, scm_getproto, scm_getnet, scm_getserv):
	Use a meaningful error message when signalling an error.  For
	this, scm_gethost must check h_errno rather than errno.

Tue May 13 16:40:06 1997  Jim Blandy  <jimb@floss.cyclic.com>

	* Makefile.in: Regenerated, using automake-1.1p.

Tue May 13 04:34:52 1997  Gary Houston  <ghouston@actrix.gen.nz>

	* socket.c (scm_addr_vector): use SCM_UNDEFINED in scm_listify,
	not SCM_UNSPECIFIED.

	* script.c (scm_compile_shell_switches): don't append (quit) if
	interactive.
	(scm_shell): call scm_exit_status and exit on the result of the
	evaluation.

Mon May 12 17:23:58 1997  Jim Blandy  <jimb@floss.cyclic.com>

	Ensure that shared substrings are handled properly when passed to
	a system call or other foreign function.  Many thanks to Tim
	Pierce!
	* symbols.h (SCM_COERCE_SUBSTR): new macro.
	* filesys.c (scm_chmod, scm_rename, scm_delete_file, scm_mkdir,
 	scm_rmdir, scm_opendir, scm_chdir, scm_symlink, scm_readlink,
 	scm_lstat), ports.c (scm_sys_make_void_port), posix.c (scm_utime,
 	scm_putenv, scm_setlocale, scm_mknod), stime.c (setzone,
 	scm_strftime), vports.c (scm_make_soft_port), backtrace.c
 	(scm_display_error_message): use RO macros when strings may be RO.
	* error.c (scm_error_scm), filesys.c (scm_chown, scm_chmod,
 	scm_rename, scm_delete_file, scm_mkdir, scm_rmdir, scm_opendir,
 	scm_chdir, scm_symlink, scm_readlink, scm_lstat), ioext.c
 	(scm_freopen, scm_duplicate_port, scm_fdopen), net_db.c
 	(scm_gethost, scm_getnet, scm_getproto, scm_getserv), ports.c
 	(scm_sys_make_void_port), posix.c (scm_getgrgid, scm_utime,
 	scm_setlocale, scm_mknod), stime.c (setzone, scm_strptime,
 	scm_strftime), vports.c (scm_make_soft_port): use
 	SCM_COERCE_SUBSTR to make sure shared substrings are
 	null-terminated.

Mon May 12 15:33:10 1997  Jim Blandy  <jimb@totoro.cyclic.com>

	* error.c (scm_error): Add newline to error message.

	* init.c (scm_init_standard_ports): Doc fix.

Thu May  8 14:38:01 1997  Marius Vollmer  <mvo@zagadka.ping.de>

	* dynl-shl.c: Completely replaced with new code from Bernard
 	URBAN.

	* script.c (scm_ice_9_already_loaded): New variable.
	(scm_compile_shell_switches): Use it.

Mon May  5 20:35:08 1997  Gary Houston  <ghouston@actrix.gen.nz>

	* filesys.c (scm_input_waiting_p): add missing third argument to
	scm_misc_error.

	* stime.c (scm_localtime): copy the result of localtime before
	calling gmtime in case they share a buffer.
	(scm_localtime, scm_mktime): throw an error if neither HAVE_TM_ZONE
	nor HAVE_TZNAME.

Fri May  2 19:07:11 1997  Gary Houston  <ghouston@actrix.gen.nz>

	* eq.c (scm_equal_p): use SCM_TYP7SD (y) not SCM_TYP7SD (x).
	
Thu May  1 17:01:45 1997  Jim Blandy  <jimb@floss.cyclic.com>

	* Makefile.am (check-local): New target, which causes 'make check'
 	to run gh_test_c and gh_test_repl, with some trivial input.
	* Makefile.in: Rgnrtd.

Tue Apr 29 19:00:40 1997  Marius Vollmer  <mvo@zagadka.ping.de>

	* dynl.c (print_dynl_obj): Indicate whether the dynamic object has
 	been unlinked.

Mon Apr 28 06:10:14 1997  Gary Houston  <ghouston@actrix.gen.nz>

	* async.c (scm_sys_tick_async_thunk): commented out.  I'm not
	sure how this was supposed to work.
	(scm_async_click): don't send SCM_TICK_SIGNAL.
	(scm_init_async): don't initialize %tick-thunk.

	* the following change doesn't affect the Scheme interface:
 	gc-thunk is called at the end of garbage collection.  however it's
 	no longer implemented by pretending it's a signal.
	
	* gc.c (scm_gc_end): don't call scm_take_signal.  instead mark the
	system async corresponding to scm_gc_thunk.
	* async.h: declare scm_gc_async.
	* async.c (scm_sys_gc_async_thunk): apply the thunk named by
	gc-thunk directly, instead of going through a signal handler.
	(scm_gc_async): new variable, points to the GC system-async.
	(scm_init_async): save the GC async as scm_gc_async instead
	of using system_signal_asyncs.
	(scm_gc_vcell): new variable, stores the gc-thunk vcell.

Mon Apr 28 19:14:44 1997  Jim Blandy  <jimb@floss.cyclic.com>

	* Makefile.am (libpath.h, cpp_err_symbols.c, cpp_sig_symbols.c):
	Don't screw up if we're interrupted.
	* Makefile.in: Regeneradet.

Sun Apr 27 17:57:15 1997  Jim Blandy  <jimb@floss.cyclic.com>

	* aclocal.m4: Removed; unnecessary, given changes of Apr 24.

	* Makefile.am (modincludedir): Use "ice-9" instead of "@module@";
	we're not using AM_INIT_GUILE_MODULE any more.
	* Makefile.in: Reneregated.

Thu Apr 24 00:41:08 1997  Jim Blandy  <jimb@floss.cyclic.com>