70 lines
1.4 KiB
C
Executable File
70 lines
1.4 KiB
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */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 "@(#)puts.c 1.9 92/09/23 SMI" /* SVr4.0 3.13 */
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/*LINTLIBRARY*/
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#include "synonyms.h"
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#include "shlib.h"
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#include <stdio.h>
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#include "stdiom.h"
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#include <memory.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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int
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puts(ptr)
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register const char *ptr;
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{
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register char *p;
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register int ndone = 0, n;
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register unsigned char *cptr, *bufend;
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#ifdef _REENTRANT
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rmutex_t *lk;
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#endif _REENTRANT
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FLOCKFILE(lk, stdout);
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if (_WRTCHK(stdout)) {
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FUNLOCKFILE(lk);
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return EOF;
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}
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bufend = _bufend(stdout);
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for ( ; ; ptr += n)
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{
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while ((n = bufend - (cptr = stdout->_ptr)) <= 0) /* full buf */
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{
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if (_xflsbuf(stdout) == EOF) {
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FUNLOCKFILE(lk);
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return EOF;
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}
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}
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if ((p = memccpy((char *) cptr, ptr, '\0', n)) != 0)
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n = p - (char *) cptr;
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stdout->_cnt -= n;
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stdout->_ptr += n;
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if (_needsync(stdout, bufend))
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_bufsync(stdout, bufend);
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ndone += n;
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if (p != 0)
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{
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stdout->_ptr[-1] = '\n'; /* overwrite '\0' with '\n' */
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if (stdout->_flag & (_IONBF | _IOLBF)) /* flush line */
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{
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if (_xflsbuf(stdout) == EOF) {
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FUNLOCKFILE(lk);
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return EOF;
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}
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}
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FUNLOCKFILE(lk);
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return ndone;
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}
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}
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}
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