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mateuszvis |
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/* This file is part of the SvarCOM project and is published under the terms
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* of the MIT license.
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*
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* Copyright (C) 2021 Mateusz Viste
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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mateuszvis |
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#ifndef REDIR_H
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#define REDIR_H
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mateuszvis |
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#define REDIR_MAX_PIPES 15
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struct redir_data {
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char *pipes[REDIR_MAX_PIPES + 1];
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char *stdinfile;
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char *stdoutfile;
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unsigned short stdout_openflag; /* 0x11 or 0x12, used for the 'extended open' call */
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};
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mateuszvis |
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/* parse commandline and performs necessary redirections. cmdline is
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mateuszvis |
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* modified so all redirections are cut out.
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mateuszvis |
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* piped commands are moved to awaitingcmd for later execution and a temporary file is created (either in current directory or in %TEMP%, if the latter is defined)
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mateuszvis |
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* returns 0 on success, DOS err on failure */
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mateuszvis |
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unsigned short redir_parsecmd(struct redir_data *d, char *cmdline, char far *awaitingcmd, unsigned short envseg);
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mateuszvis |
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mateuszvis |
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/* apply stdin/stdout redirections defined in redir_data, returns 0 on success */
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int redir_apply(const struct redir_data *d);
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mateuszvis |
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/* restores previous stdout/stdin handlers if they have been redirected */
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void redir_revert(void);
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#endif
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