Mercurial > octave-libtiff
view libinterp/corefcn/oct-process.cc @ 31168:27ed758c1688
Tiff setTag: fixed bug for rational tags and special-case tags.
author | magedrifaat <magedrifaat@gmail.com> |
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date | Fri, 12 Aug 2022 21:50:43 +0200 |
parents | 796f54d4ddbf |
children |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2019-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #include <iostream> #include <sstream> #include "oct-process.h" #include "procstream.h" #include "sysdep.h" #include "oct-syscalls.h" namespace octave { process_execution_result process_execution_result::of_success (int exit_status, const std::string& stdout_output) { return process_execution_result (0, exit_status, stdout_output, ""); } process_execution_result process_execution_result::of_error (int status, const std::string& err_msg) { return process_execution_result (status, -1, "", err_msg); } // Execute a shell command, returning results as a C++ object process_execution_result run_command_and_return_output (const std::string& cmd_str) { iprocstream cmd (cmd_str.c_str ()); if (! cmd) { std::string msg = "unable to start subprocess for '" + cmd_str + "'"; return process_execution_result::of_error (-1, msg); } std::ostringstream output_buf; char ch; for (;;) { if (cmd.get (ch)) output_buf.put (ch); else { if (! cmd.eof () && errno == EAGAIN) cmd.clear (); else break; } } int cmd_status = cmd.close (); if (sys::wifexited (cmd_status)) cmd_status = sys::wexitstatus (cmd_status); else cmd_status = 127; return process_execution_result::of_success (cmd_status, output_buf.str ()); } }