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38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014, 2015.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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stdio_ext/__freading.cpp
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Returns whether the last operation was a read or FILE is read only.
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*******************************************************************************/
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#include <stdio.h>
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#include <stdio_ext.h>
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extern "C" int __freading(FILE* fp)
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{
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int result = 0;
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flockfile(fp);
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if ( fp->flags & _FILE_LAST_READ )
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result = 1;
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else if ( (fp->flags & _FILE_READABLE) && !(fp->flags & _FILE_WRITABLE) )
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result = 1;
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funlockfile(fp);
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return result;
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}
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