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/* ASCEND modelling environment |
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Copyright (C) 2005 Jerry St.Clair |
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Copyright (C) 2006 Carnegie Mellon University |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2, or (at your option) |
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any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*//** |
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@file |
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Centralized redirection of standard streams to file. |
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|
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Many ASCEND routines print messages. In a testing context, it |
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is usually preferable to have output redirected to a file. This |
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module provides a centralized location for this code (which may |
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end up somewhat platform-dependent). |
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|
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Requires: |
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#include <stdio.h> |
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#include "utilities/ascConfig.h" |
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*/ |
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|
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#ifndef REDIRECTSTDSTREAMS_H_SEEN |
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#define REDIRECTSTDSTREAMS_H_SEEN |
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|
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#if 0 /* disabling this stuff (it was making it hard to debug tests) */ |
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|
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FILE *redirect_stderr(CONST char *filename); |
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/**< |
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* Redirects stderr to the specified file. |
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* Returns a pointer to the new stream. If stderr was already being |
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* redirected to a file, the previous file is closed before the new |
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* redirection is set up. Returns NULL if stderr could not be |
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* redirected. |
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*/ |
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|
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FILE *reset_stderr(void); |
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/**< |
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* Restores stderr to the console. |
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* This function closes the redirection file (if any) and |
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* restores stderr to console output. It returns a pointer |
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* to the new stderr stream. Returns NULL if stderr could not |
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* be reset. |
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|
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*/ |
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FILE *redirect_stdin(CONST char *filename); |
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/**< |
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* Redirects stdin to the specified file. |
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* Returns a pointer to the new stream. If stdin was already being |
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* redirected to a file, the previous file is closed before the new |
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* redirection is set up. Returns NULL if stdin could not be |
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* redirected. |
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*/ |
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|
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FILE *reset_stdin(void); |
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/**< |
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* Restores stdin to the console. |
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* This function closes the redirection file (if any) and |
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* restores stdin to console output. It returns a pointer |
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* to the new stdin stream. Returns NULL if stdin could not |
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* be reset. |
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*/ |
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|
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FILE *redirect_stdout(CONST char *filename); |
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/**< |
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* Redirects stdout to the specified file. |
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* Returns a pointer to the new stream. If stdout was already being |
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* redirected to a file, the previous file is closed before the new |
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* redirection is set up. Returns NULL if stdout could not be |
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* redirected. |
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*/ |
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|
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FILE *reset_stdout(void); |
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/**< |
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* Restores stdout to the console. |
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* This function closes the redirection file (if any) and |
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* restores stdout to console output. It returns a pointer |
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* to the new stdout stream. Returns NULL if stdout could not |
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* be reset. |
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*/ |
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#endif |
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|
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#endif /* REDIRECTSTDSTREAMS_H_SEEN */ |
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