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48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
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Copyright (C) 1993 Free Software Foundation
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This file is part of the GNU IO Library. This library is free
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software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option)
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any later version.
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This library 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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You should have received a copy of the GNU General Public License
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along with this library; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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As a special exception, if you link this library with files
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compiled with a GNU compiler to produce an executable, this does not cause
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the resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why
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the executable file might be covered by the GNU General Public License. */
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#include "libioP.h"
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int
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_IO_ignore (fp, n)
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_IO_FILE *fp;
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_IO_size_t n;
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{
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register _IO_size_t more = n;
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for (;;)
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{
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_IO_ssize_t count = fp->_IO_read_end - fp->_IO_read_ptr;
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if (count > 0)
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{
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if (count > more)
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count = more;
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fp->_IO_read_ptr += count;
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more -= count;
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}
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if (more == 0 || __underflow(fp) == EOF)
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break;
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}
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return n - more;
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}
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