octave: liboctave/system/oct-env.cc annotate

annotate liboctave/system/oct-env.cc @ 21910:4d723ba06b4a

provide wrappers for some unistd.h functions * liboctave/wrappers/unistd-wrappers.c, liboctave/wrappers/unistd-wrappers.h: New files. * liboctave/wrappers/module.mk: Update. * gl2ps-print.cc, oct-hist.cc, oct-procbuf.cc, oct-tex-lexer.in.ll, sysdep.cc, octave.cc, parse-tree/lex.ll, file-ops.cc, lo-sysdep.cc, oct-env.cc, oct-syscalls.cc, cmd-edit.cc, kpse.cc: Use wrappers instead of calling unistd.h functions directly.

author	John W. Eaton <jwe@octave.org>
date	Tue, 14 Jun 2016 18:10:04 -0400
parents	3ca0a5b1b313
children	aab79a1885cc

rev	line source
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	1 /*
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	2
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 19597 diff changeset	3 Copyright (C) 1996-2015 John W. Eaton
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	4
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	6
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	8 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6838 diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6838 diff changeset	10 option) any later version.
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	11
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	15 for more details.
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	16
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	17 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6838 diff changeset	18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6838 diff changeset	19 <http://www.gnu.org/licenses/>.
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	20
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	21 */
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	22
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	23 /*
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	24
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	25 The functions listed below were adapted from a similar functions
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	26 from GNU Bash, the Bourne Again SHell, copyright (C) 1987, 1989, 1991
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	27 Free Software Foundation, Inc.
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	28
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	29 octave::sys::env::do_absolute_pathname
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	30 octave::sys:env::do_base_pathname
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	31 octave::sys:env::do_chdir
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	32 octave::sys:env::do_getcwd
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	33 octave::sys:env::do_make_absolute
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	34 octave::sys:env::do_polite_directory_format
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	35 octave::sys:env::pathname_backup
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	36
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	37 */
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	38
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21614 diff changeset	39 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21202 diff changeset	40 # include "config.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	41 #endif
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	42
4093 5a82e874999b [project @ 2002-10-08 23:48:45 by jwe] jwe parents: 4089 diff changeset	43 #include <cctype>
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	44 #include <cstdlib>
10463 bbe99b2a5ba7 undo recent gnulib-related changes John W. Eaton <jwe@octave.org> parents: 10447 diff changeset	45 #include <cstring>
4093 5a82e874999b [project @ 2002-10-08 23:48:45 by jwe] jwe parents: 4089 diff changeset	46
3504 5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe] jwe parents: 3347 diff changeset	47 #include <string>
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	48
4097 596f88296519 [project @ 2002-10-09 20:26:27 by jwe] jwe parents: 4093 diff changeset	49 #include "file-ops.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	50 #include "lo-error.h"
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	51 #include "lo-sysdep.h"
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	52 #include "lo-utils.h"
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	53 #include "oct-env.h"
2934 dddc1b5c324e [project @ 1997-05-05 22:56:37 by jwe] jwe parents: 2926 diff changeset	54 #include "oct-passwd.h"
2947 cf676ff8b702 [project @ 1997-05-09 13:32:46 by jwe] jwe parents: 2938 diff changeset	55 #include "oct-syscalls.h"
21891 3ca0a5b1b313 hide gnulib progname.h header John W. Eaton <jwe@octave.org> parents: 21738 diff changeset	56 #include "set-program-name-wrapper.h"
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	57 #include "singleton-cleanup.h"
21910 4d723ba06b4a provide wrappers for some unistd.h functions John W. Eaton <jwe@octave.org> parents: 21891 diff changeset	58 #include "unistd-wrappers.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	59
21734 11af9c03400c write namespace keyword and name on same line in C++ files John W. Eaton <jwe@octave.org> parents: 21733 diff changeset	60 namespace octave
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	61 {
21734 11af9c03400c write namespace keyword and name on same line in C++ files John W. Eaton <jwe@octave.org> parents: 21733 diff changeset	62 namespace sys
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	63 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	64 env::env (void)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	65 : follow_symbolic_links (true), verbatim_pwd (true),
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	66 current_directory (), prog_name (), prog_invocation_name (),
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	67 user_name (), host_name ()
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	68 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	69 // Get a real value for the current directory.
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	70 do_getcwd ();
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	71
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	72 // Etc.
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	73 do_get_user_name ();
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	74
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	75 do_get_host_name ();
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	76 }
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	77
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	78 env *env::instance = 0;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	79
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	80 bool
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	81 env::instance_ok (void)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	82 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	83 bool retval = true;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	84
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	85 if (! instance)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	86 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	87 instance = new env ();
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	88
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	89 if (instance)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	90 singleton_cleanup_list::add (cleanup_instance);
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	91 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	92
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	93 if (! instance)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	94 (*current_liboctave_error_handler)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	95 ("unable to create current working directory object!");
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	96
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	97 return retval;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	98 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	99
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	100 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	101 env::polite_directory_format (const std::string& name)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	102 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	103 return (instance_ok ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	104 ? instance->do_polite_directory_format (name) : "";
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	105 }
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	106
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	107 bool
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	108 env::absolute_pathname (const std::string& s)
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	109 {
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	110 return (instance_ok ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	111 ? instance->do_absolute_pathname (s) : false;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	112 }
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	113
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	114 bool
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	115 env::rooted_relative_pathname (const std::string& s)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	116 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	117 return (instance_ok ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	118 ? instance->do_rooted_relative_pathname (s) : false;
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	119 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	120
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	121 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	122 env::base_pathname (const std::string& s)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	123 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	124 return (instance_ok ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	125 ? instance->do_base_pathname (s) : "";
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	126 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	127
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	128 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	129 env::make_absolute (const std::string& s, const std::string& dot_path)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	130 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	131 return (instance_ok ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	132 ? instance->do_make_absolute (s, dot_path) : "";
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	133 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	134
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	135 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	136 env::get_current_directory ()
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	137 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	138 return (instance_ok ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	139 ? instance->do_getcwd () : "";
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	140 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	141
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	142 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	143 env::get_home_directory ()
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	144 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	145 return (instance_ok ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	146 ? instance->do_get_home_directory () : "";
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	147 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	148
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	149 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	150 env::get_temp_directory ()
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	151 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	152 return (instance_ok ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	153 ? instance->do_get_temp_directory () : "";
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	154 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	155
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	156 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	157 env::get_program_name (void)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	158 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	159 return (instance_ok ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	160 ? instance->prog_name : "";
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	161 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	162
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	163 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	164 env::get_program_invocation_name (void)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	165 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	166 return (instance_ok ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	167 ? instance->prog_invocation_name : "";
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	168 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	169
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	170 void
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	171 env::set_program_name (const std::string& s)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	172 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	173 if (instance_ok ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	174 instance->do_set_program_name (s);
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	175 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	176
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	177 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	178 env::get_user_name (void)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	179 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	180 return (instance_ok ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	181 ? instance->do_get_user_name () : "";
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	182 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	183
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	184 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	185 env::get_host_name (void)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	186 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	187 return (instance_ok ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	188 ? instance->do_get_host_name () : "";
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	189 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	190
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	191 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	192 env::do_get_temp_directory (void) const
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	193 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	194 std::string tempd;
19458 d8fd3842a507 Use gnulib gen_tempname to create temporary names (Bug #43872). John Donoghue <john.donoghue@ieee.org> parents: 17769 diff changeset	195
d8fd3842a507 Use gnulib gen_tempname to create temporary names (Bug #43872). John Donoghue <john.donoghue@ieee.org> parents: 17769 diff changeset	196 #if defined (__MINGW32__) \|\| defined (_MSC_VER)
19597 db92e7e28e1f strip trailing whitespace from most source files John W. Eaton <jwe@octave.org> parents: 19459 diff changeset	197
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	198 tempd = do_getenv ("TEMP");
19458 d8fd3842a507 Use gnulib gen_tempname to create temporary names (Bug #43872). John Donoghue <john.donoghue@ieee.org> parents: 17769 diff changeset	199
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	200 if (tempd.empty ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	201 tempd = do_getenv ("TMP");
19458 d8fd3842a507 Use gnulib gen_tempname to create temporary names (Bug #43872). John Donoghue <john.donoghue@ieee.org> parents: 17769 diff changeset	202
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	203 #if defined (P_tmpdir)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	204 if (tempd.empty ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	205 tempd = P_tmpdir;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	206 #endif
19458 d8fd3842a507 Use gnulib gen_tempname to create temporary names (Bug #43872). John Donoghue <john.donoghue@ieee.org> parents: 17769 diff changeset	207
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	208 // Some versions of MinGW and MSVC either don't define P_tmpdir, or
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	209 // define it to a single backslash. In such cases just use C:\temp.
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	210 if (tempd.empty () \|\| tempd == "\\")
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	211 tempd = "c:\\temp";
19458 d8fd3842a507 Use gnulib gen_tempname to create temporary names (Bug #43872). John Donoghue <john.donoghue@ieee.org> parents: 17769 diff changeset	212
20945 9d9270e2f98f eliminate comments after preprocessor conditionals John W. Eaton <jwe@octave.org> parents: 19697 diff changeset	213 #else
19458 d8fd3842a507 Use gnulib gen_tempname to create temporary names (Bug #43872). John Donoghue <john.donoghue@ieee.org> parents: 17769 diff changeset	214
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	215 tempd = do_getenv ("TMP");
19458 d8fd3842a507 Use gnulib gen_tempname to create temporary names (Bug #43872). John Donoghue <john.donoghue@ieee.org> parents: 17769 diff changeset	216
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	217 #if defined (P_tmpdir)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	218 if (tempd.empty ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	219 tempd = P_tmpdir;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	220 #else
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	221 if (tempd.empty ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	222 tempd = "/tmp";
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	223 #endif
19458 d8fd3842a507 Use gnulib gen_tempname to create temporary names (Bug #43872). John Donoghue <john.donoghue@ieee.org> parents: 17769 diff changeset	224
d8fd3842a507 Use gnulib gen_tempname to create temporary names (Bug #43872). John Donoghue <john.donoghue@ieee.org> parents: 17769 diff changeset	225 #endif
d8fd3842a507 Use gnulib gen_tempname to create temporary names (Bug #43872). John Donoghue <john.donoghue@ieee.org> parents: 17769 diff changeset	226
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	227 return tempd;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	228 }
19458 d8fd3842a507 Use gnulib gen_tempname to create temporary names (Bug #43872). John Donoghue <john.donoghue@ieee.org> parents: 17769 diff changeset	229
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	230 // FIXME: this leaves no way to distinguish between a
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	231 // variable that is not set and one that is set to the empty string.
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	232 // Is this a problem?
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	233
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	234 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	235 env::getenv (const std::string& name)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	236 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	237 return (instance_ok ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	238 ? instance->do_getenv (name) : "";
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	239 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	240
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	241 void
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	242 env::putenv (const std::string& name, const std::string& value)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	243 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	244 octave_putenv (name, value);
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	245 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	246
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	247 bool
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	248 env::have_x11_display (void)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	249 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	250 std::string display = getenv ("DISPLAY");
5489 250917610b55 [project @ 2005-10-12 23:53:36 by jwe] jwe parents: 5454 diff changeset	251
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	252 return ! display.empty ();
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	253 }
5489 250917610b55 [project @ 2005-10-12 23:53:36 by jwe] jwe parents: 5454 diff changeset	254
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	255 bool
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	256 env::chdir (const std::string& newdir)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	257 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	258 return (instance_ok ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	259 ? instance->do_chdir (newdir) : false;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	260 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	261
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	262 void
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	263 env::do_set_program_name (const std::string& s) const
21610 eff26982a19b avoid passing temp string to ::set_program_name (bug #47372) John W. Eaton <jwe@octave.org> parents: 21609 diff changeset	264 {
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	265 static bool initialized = false;
21610 eff26982a19b avoid passing temp string to ::set_program_name (bug #47372) John W. Eaton <jwe@octave.org> parents: 21609 diff changeset	266
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	267 if (! initialized)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	268 {
21891 3ca0a5b1b313 hide gnulib progname.h header John W. Eaton <jwe@octave.org> parents: 21738 diff changeset	269 // octave_set_program_name_wrapper returns a cleaned up
3ca0a5b1b313 hide gnulib progname.h header John W. Eaton <jwe@octave.org> parents: 21738 diff changeset	270 // version of the program name (stripping libtool's "lt-"
3ca0a5b1b313 hide gnulib progname.h header John W. Eaton <jwe@octave.org> parents: 21738 diff changeset	271 // prefix, for example).
3ca0a5b1b313 hide gnulib progname.h header John W. Eaton <jwe@octave.org> parents: 21738 diff changeset	272
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	273 // The string passed to gnulib's ::set_program_name function must
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	274 // exist for the duration of the program so allocate a copy here
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	275 // instead of passing S.c_str () which only exists as long as the
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	276 // string object S.
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	277
21891 3ca0a5b1b313 hide gnulib progname.h header John W. Eaton <jwe@octave.org> parents: 21738 diff changeset	278 prog_invocation_name
3ca0a5b1b313 hide gnulib progname.h header John W. Eaton <jwe@octave.org> parents: 21738 diff changeset	279 = octave_set_program_name_wrapper (strsave (s.c_str ()));
21610 eff26982a19b avoid passing temp string to ::set_program_name (bug #47372) John W. Eaton <jwe@octave.org> parents: 21609 diff changeset	280
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	281 size_t pos
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	282 = prog_invocation_name.find_last_of (octave::sys::file_ops::dir_sep_chars ());
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	283
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	284 // Also keep a shortened version of the program name.
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	285 prog_name = (pos == std::string::npos
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	286 ? prog_invocation_name
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	287 : prog_invocation_name.substr (pos+1));
21614 9bb39b754ab1 finish previous change to octave_env::set_program_name John W. Eaton <jwe@octave.org> parents: 21610 diff changeset	288
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	289 initialized = true;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	290 }
21610 eff26982a19b avoid passing temp string to ::set_program_name (bug #47372) John W. Eaton <jwe@octave.org> parents: 21609 diff changeset	291 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	292
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	293 // Return a pretty pathname. If the first part of the pathname is the
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	294 // same as $HOME, then replace that with '~'.
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	295
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	296 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	297 env::do_polite_directory_format (const std::string& name) const
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	298 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	299 std::string retval;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	300
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	301 std::string home_dir = do_get_home_directory ();
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	302
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	303 size_t len = home_dir.length ();
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	304
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	305 if (len > 1 && home_dir == name.substr (0, len)
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	306 && (name.length () == len \|\| octave::sys::file_ops::is_dir_sep (name[len])))
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	307 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	308 retval = "~";
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	309 retval.append (name.substr (len));
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	310 }
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	311 else
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	312 retval = name;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	313
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	314 return retval;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	315 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	316
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	317 bool
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	318 env::do_absolute_pathname (const std::string& s) const
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	319 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	320 size_t len = s.length ();
4087 a54f61b5d491 [project @ 2002-10-05 03:02:56 by jwe] jwe parents: 3803 diff changeset	321
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	322 if (len == 0)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	323 return false;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	324
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	325 if (octave::sys::file_ops::is_dir_sep (s[0]))
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	326 return true;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	327
4101 ea537559ab07 [project @ 2002-10-11 20:57:21 by jwe] jwe parents: 4099 diff changeset	328 #if defined (OCTAVE_HAVE_WINDOWS_FILESYSTEM)
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	329 if ((len == 2 && isalpha (s[0]) && s[1] == ':')
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	330 \|\| (len > 2 && isalpha (s[0]) && s[1] == ':'
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	331 && octave::sys::file_ops::is_dir_sep (s[2])))
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	332 return true;
4087 a54f61b5d491 [project @ 2002-10-05 03:02:56 by jwe] jwe parents: 3803 diff changeset	333 #endif
a54f61b5d491 [project @ 2002-10-05 03:02:56 by jwe] jwe parents: 3803 diff changeset	334
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	335 return false;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	336 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	337
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	338 bool
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	339 env::do_rooted_relative_pathname (const std::string& s) const
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	340 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	341 size_t len = s.length ();
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	342
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	343 if (len == 0)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	344 return false;
6838 5e3350bdd91d [project @ 2007-08-28 02:59:58 by jwe] jwe parents: 6184 diff changeset	345
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	346 if (len == 1 && s[0] == '.')
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	347 return true;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	348
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	349 if (len > 1 && s[0] == '.' && octave::sys::file_ops::is_dir_sep (s[1]))
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	350 return true;
6838 5e3350bdd91d [project @ 2007-08-28 02:59:58 by jwe] jwe parents: 6184 diff changeset	351
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	352 if (len == 2 && s[0] == '.' && s[1] == '.')
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	353 return true;
6838 5e3350bdd91d [project @ 2007-08-28 02:59:58 by jwe] jwe parents: 6184 diff changeset	354
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	355 if (len > 2 && s[0] == '.' && s[1] == '.' && octave::sys::file_ops::is_dir_sep (s[2]))
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	356 return true;
6838 5e3350bdd91d [project @ 2007-08-28 02:59:58 by jwe] jwe parents: 6184 diff changeset	357
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	358 return false;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	359 }
6838 5e3350bdd91d [project @ 2007-08-28 02:59:58 by jwe] jwe parents: 6184 diff changeset	360
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	361 // Return the 'basename' of the pathname in STRING (the stuff after
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	362 // the last directory separator). If STRING is not a full pathname,
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	363 // simply return it.
6838 5e3350bdd91d [project @ 2007-08-28 02:59:58 by jwe] jwe parents: 6184 diff changeset	364
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	365 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	366 env::do_base_pathname (const std::string& s) const
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	367 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	368 if (! (do_absolute_pathname (s) \|\| do_rooted_relative_pathname (s)))
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	369 return s;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	370
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	371 size_t pos = s.find_last_of (octave::sys::file_ops::dir_sep_chars ());
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	372
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	373 if (pos == std::string::npos)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	374 return s;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	375 else
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	376 return s.substr (pos+1);
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	377 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	378
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	379 // Turn STRING (a pathname) into an absolute pathname, assuming that
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	380 // DOT_PATH contains the symbolic location of the current directory.
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	381
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	382 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	383 env::do_make_absolute (const std::string& s,
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	384 const std::string& dot_path) const
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	385 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	386 if (dot_path.empty () \|\| s.empty () \|\| do_absolute_pathname (s))
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	387 return s;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	388
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	389 std::string current_dir = dot_path;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	390
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	391 if (current_dir.empty ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	392 current_dir = do_getcwd ();
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	393
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	394 size_t pos = current_dir.length () - 1;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	395
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	396 if (! octave::sys::file_ops::is_dir_sep (current_dir[pos]))
cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	397 current_dir.append (octave::sys::file_ops::dir_sep_str ());
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	398
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	399 // FIXME: this is probably not correct for all systems.
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	400
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	401 size_t i = 0;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	402 size_t slen = s.length ();
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	403
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	404 while (i < slen)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	405 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	406 if (s[i] == '.')
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	407 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	408 if (i + 1 == slen)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	409 return current_dir;
4097 596f88296519 [project @ 2002-10-09 20:26:27 by jwe] jwe parents: 4093 diff changeset	410
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	411 if (octave::sys::file_ops::is_dir_sep (s[i+1]))
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	412 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	413 i += 2;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	414 continue;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	415 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	416
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	417 if (s[i+1] == '.'
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	418 && (i + 2 == slen \|\| octave::sys::file_ops::is_dir_sep (s[i+2])))
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	419 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	420 i += 2;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	421
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	422 if (i != slen)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	423 i++;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	424
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	425 pathname_backup (current_dir, 1);
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	426
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	427 continue;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	428 }
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10278 diff changeset	429 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	430
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	431 size_t tmp = s.find_first_of (octave::sys::file_ops::dir_sep_chars (), i);
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	432
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	433 if (tmp == std::string::npos)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	434 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	435 current_dir.append (s, i, tmp-i);
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	436 break;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	437 }
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	438 else
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	439 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	440 current_dir.append (s, i, tmp-i+1);
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	441 i = tmp + 1;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10278 diff changeset	442 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10278 diff changeset	443 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	444
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	445 return current_dir;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	446 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	447
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	448 // Return a string which is the current working directory.
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	449
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	450 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	451 env::do_getcwd () const
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	452 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	453 if (! follow_symbolic_links)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	454 current_directory = "";
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	455
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	456 if (verbatim_pwd \|\| current_directory.empty ())
21738 a99c2407f930 use namespace for lo-sysdep.h functions John W. Eaton <jwe@octave.org> parents: 21734 diff changeset	457 current_directory = octave::sys::getcwd ();
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	458
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	459 return current_directory;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	460 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	461
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	462 // This value is not cached because it can change while Octave is
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	463 // running.
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	464
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	465 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	466 env::do_get_home_directory (void) const
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	467 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	468 std::string hd = do_getenv ("HOME");
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	469
6096 40212bfaed1d [project @ 2006-10-26 01:57:49 by jwe] jwe parents: 5775 diff changeset	470 #if defined (__MINGW32__) \|\| defined (_MSC_VER)
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	471 // Maybe we are started directly from cmd.exe.
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	472 if (hd.empty ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	473 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	474 std::string drv = do_getenv ("HOMEDRIVE");
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	475 if (drv.empty ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	476 hd = do_getenv ("HOMEPATH");
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	477 else
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	478 hd = drv + do_getenv ("HOMEPATH");
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	479 }
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5307 diff changeset	480 #endif
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5307 diff changeset	481
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	482 if (hd.empty ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	483 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	484 octave::sys::password pw = octave::sys::password::getpwuid (octave::sys::getuid ());
2947 cf676ff8b702 [project @ 1997-05-09 13:32:46 by jwe] jwe parents: 2938 diff changeset	485
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	486 hd = pw ? pw.dir () : std::string (octave::sys::file_ops::dir_sep_str ());
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	487 }
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	488
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	489 return hd;
2947 cf676ff8b702 [project @ 1997-05-09 13:32:46 by jwe] jwe parents: 2938 diff changeset	490 }
cf676ff8b702 [project @ 1997-05-09 13:32:46 by jwe] jwe parents: 2938 diff changeset	491
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	492 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	493 env::do_get_user_name (void) const
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	494 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	495 if (user_name.empty ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	496 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	497 octave::sys::password pw = octave::sys::password::getpwuid (octave::sys::getuid ());
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	498
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	499 user_name = pw ? pw.name () : std::string ("unknown");
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	500 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	501
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	502 return user_name;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	503 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	504
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	505 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	506 env::do_get_host_name (void) const
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	507 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	508 if (host_name.empty ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	509 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	510 char hostname[1024];
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	511
21910 4d723ba06b4a provide wrappers for some unistd.h functions John W. Eaton <jwe@octave.org> parents: 21891 diff changeset	512 int status = octave_gethostname_wrapper (hostname, 1023);
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	513
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	514 host_name = (status < 0) ? "unknown" : hostname;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	515 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	516
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	517 return host_name;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	518 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	519
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	520 std::string
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	521 env::do_getenv (const std::string& name) const
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	522 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	523 char *value = ::getenv (name.c_str ());
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	524
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	525 return value ? value : "";
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	526 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	527
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	528 // Do the work of changing to the directory NEWDIR. Handle symbolic
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	529 // link following, etc.
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	530
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	531 bool
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	532 env::do_chdir (const std::string& newdir)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	533 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	534 bool retval = false;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	535
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	536 std::string tmp;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	537
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	538 if (follow_symbolic_links)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	539 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	540 if (current_directory.empty ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	541 do_getcwd ();
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	542
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	543 if (current_directory.empty ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	544 tmp = newdir;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	545 else
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	546 tmp = do_make_absolute (newdir, current_directory);
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	547
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	548 // Get rid of trailing directory separator.
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	549
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	550 size_t len = tmp.length ();
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	551
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	552 if (len > 1)
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	553 {
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	554 if (octave::sys::file_ops::is_dir_sep (tmp[--len]))
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	555 tmp.resize (len);
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	556 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	557
21738 a99c2407f930 use namespace for lo-sysdep.h functions John W. Eaton <jwe@octave.org> parents: 21734 diff changeset	558 if (! octave::sys::chdir (tmp))
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	559 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	560 current_directory = tmp;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	561 retval = true;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	562 }
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	563 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	564 else
21738 a99c2407f930 use namespace for lo-sysdep.h functions John W. Eaton <jwe@octave.org> parents: 21734 diff changeset	565 retval = (! octave::sys::chdir (newdir));
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	566
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	567 return retval;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	568 }
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	569
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	570 // Remove the last N directories from PATH.
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	571
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	572 void
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	573 env::pathname_backup (std::string& path, int n) const
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	574 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	575 if (path.empty ())
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	576 return;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	577
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	578 size_t i = path.length () - 1;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	579
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	580 while (n--)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10278 diff changeset	581 {
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	582 while (octave::sys::file_ops::is_dir_sep (path[i]) && i > 0)
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	583 i--;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	584
21733 cb0fdd941d84 use namespace for system file_ops class John W. Eaton <jwe@octave.org> parents: 21732 diff changeset	585 while (! octave::sys::file_ops::is_dir_sep (path[i]) && i > 0)
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	586 i--;
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	587
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	588 i++;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10278 diff changeset	589 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	590
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	591 path.resize (i);
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	592 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	593
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	594 void
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	595 env::error (int err_num) const
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	596 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	597 (*current_liboctave_error_handler) ("%s", gnulib::strerror (err_num));
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	598 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	599
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	600 void
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	601 env::error (const std::string& s) const
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	602 {
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	603 (*current_liboctave_error_handler) ("%s", s.c_str ());
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	604 }
6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	605 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: diff changeset	606 }

Mercurial > octave

annotate liboctave/system/oct-env.cc @ 21910:4d723ba06b4a