octave: libinterp/corefcn/oct-process.cc annotate

annotate libinterp/corefcn/oct-process.cc @ 27923:bd51beb6205e

update formatting of copyright notices * Use <https://octave.org/copyright/> instead of <https://octave.org/COPYRIGHT.html/>. * For consistency with other comments in the Octave sources, use C++-style comments for copyright blocks in C and C++ files. * Use delimiters above and below copyright blocks that are appropriate for the language used in the file. * Eliminate extra spacing inside copyright blocks. * lex.ll (looks_like_copyright): Also allow newlines and carriage returns before the word "Copyright". * scripts/mk-doc.pl (gethelp): Also skip empty comment lines. * bp-table.cc, type.m: Adjust tests.

author	John W. Eaton <jwe@octave.org>
date	Wed, 08 Jan 2020 11:59:41 -0500
parents	1891570abac8
children	665c9ed14c97 0a5b15007766

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	3 // Copyright (C) 2019-2020 The Octave Project Developers
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	4 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	7 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	9 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	14 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	19 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ////////////////////////////////////////////////////////////////////////
27002 c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	25
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	26 #include <iostream>
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	27 #include <sstream>
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	28
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	29 #include "oct-process.h"
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	30 #include "procstream.h"
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	31 #include "sysdep.h"
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	32 #include "oct-syscalls.h"
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	33
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	34 namespace octave
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	35 {
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	36 OCTINTERP_API
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	37 process_execution_result
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	38 process_execution_result::of_success (int exit_status,
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	39 const std::string& stdout_output)
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	40 {
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	41 return process_execution_result (0, exit_status, stdout_output, "");
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	42 }
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	43
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	44 OCTINTERP_API
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	45 process_execution_result
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	46 process_execution_result::of_error (int status, const std::string& err_msg)
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	47 {
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	48 return process_execution_result (status, -1, "", err_msg);
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	49 }
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	50
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	51 // Execute a shell command, returning results as a C++ object
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	52 OCTINTERP_API
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	53 process_execution_result
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	54 run_command_and_return_output (const std::string& cmd_str)
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	55 {
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	56 iprocstream cmd (cmd_str.c_str ());
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	57
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	58 if (! cmd)
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	59 {
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	60 std::string msg = "unable to start subprocess for '" + cmd_str + "'";
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	61
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	62 return process_execution_result::of_error (-1, msg);
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	63 }
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	64
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	65 std::ostringstream output_buf;
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	66
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	67 char ch;
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	68
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	69 for (;;)
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	70 {
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	71 if (cmd.get (ch))
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	72 output_buf.put (ch);
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	73 else
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	74 {
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	75 if (! cmd.eof () && errno == EAGAIN)
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	76 cmd.clear ();
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	77 else
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	78 break;
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	79 }
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	80 }
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	81
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	82 int cmd_status = cmd.close ();
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	83
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 27002 diff changeset	84 if (sys::wifexited (cmd_status))
84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 27002 diff changeset	85 cmd_status = sys::wexitstatus (cmd_status);
27002 c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	86 else
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	87 cmd_status = 127;
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	88
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	89 return process_execution_result::of_success (cmd_status, output_buf.str ());
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	90 }
c04329ead503 new class for executing commands and getting result Andrew Janke <andrew@apjanke.net> parents: diff changeset	91 }

Mercurial > octave

annotate libinterp/corefcn/oct-process.cc @ 27923:bd51beb6205e