54 lines
926 B
C
Executable File
54 lines
926 B
C
Executable File
/* Copyright (c) 1988 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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#ident "@(#)getc.c 1.10 92/09/23 SMI" /* SVr4.0 1.3 */
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/*LINTLIBRARY*/
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#ifdef __STDC__
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#ifdef _REENTRANT
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#pragma weak getc_unlocked = _getc_unlocked
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#endif
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#endif
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#include "synonyms.h"
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#include <stdio.h>
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#include "stdiom.h"
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#include <thread.h>
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#include <synch.h>
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#include <mtlib.h>
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#undef getc
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#ifdef _REENTRANT
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#undef _getc_unlocked
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getc(iop)
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register FILE *iop;
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{
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rmutex_t *lk;
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register int c;
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FLOCKFILE(lk, iop);
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c = (--iop->_cnt < 0) ? _filbuf(iop) : *iop->_ptr++;
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FUNLOCKFILE(lk);
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return c;
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}
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#else
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#define _getc_unlocked getc
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#endif _REENTRANT
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int
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_getc_unlocked(iop)
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register FILE *iop;
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{
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register int c;
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return (--iop->_cnt < 0) ? _filbuf(iop) : *iop->_ptr++;
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}
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