133 lines
3.0 KiB
C
133 lines
3.0 KiB
C
/*
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* and/or other materials related to such
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* distribution and use acknowledge that the software was developed
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* by the University of California, Berkeley. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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/*
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FUNCTION
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<<puts>>---write a character string
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INDEX
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puts
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INDEX
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_puts_r
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SYNOPSIS
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#include <stdio.h>
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int puts(const char *<[s]>);
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int _puts_r(struct _reent *<[reent]>, const char *<[s]>);
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DESCRIPTION
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<<puts>> writes the string at <[s]> (followed by a newline, instead of
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the trailing null) to the standard output stream.
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The alternate function <<_puts_r>> is a reentrant version. The extra
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argument <[reent]> is a pointer to a reentrancy structure.
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RETURNS
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If successful, the result is a nonnegative integer; otherwise, the
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result is <<EOF>>.
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PORTABILITY
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ANSI C requires <<puts>>, but does not specify that the result on
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success must be <<0>>; any non-negative value is permitted.
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Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>,
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<<lseek>>, <<read>>, <<sbrk>>, <<write>>.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "%W% (Berkeley) %G%";
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#endif /* LIBC_SCCS and not lint */
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#include <_ansi.h>
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#include <reent.h>
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#include <stdio.h>
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#include <string.h>
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#include "fvwrite.h"
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#include "local.h"
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/*
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* Write the given string to stdout, appending a newline.
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*/
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int
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_puts_r (struct _reent *ptr,
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const char * s)
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{
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#ifdef _FVWRITE_IN_STREAMIO
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int result;
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size_t c = strlen (s);
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struct __suio uio;
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struct __siov iov[2];
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FILE *fp;
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iov[0].iov_base = s;
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iov[0].iov_len = c;
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iov[1].iov_base = "\n";
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iov[1].iov_len = 1;
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uio.uio_resid = c + 1;
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uio.uio_iov = &iov[0];
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uio.uio_iovcnt = 2;
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_REENT_SMALL_CHECK_INIT (ptr);
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fp = _stdout_r (ptr);
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CHECK_INIT (ptr, fp);
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_newlib_flockfile_start (fp);
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ORIENT (fp, -1);
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result = (__sfvwrite_r (ptr, fp, &uio) ? EOF : '\n');
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_newlib_flockfile_end (fp);
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return result;
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#else
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int result = EOF;
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const char *p = s;
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FILE *fp;
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_REENT_SMALL_CHECK_INIT (ptr);
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fp = _stdout_r (ptr);
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CHECK_INIT (ptr, fp);
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_newlib_flockfile_start (fp);
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ORIENT (fp, -1);
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/* Make sure we can write. */
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if (cantwrite (ptr, fp))
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goto err;
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while (*p)
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{
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if (__sputc_r (ptr, *p++, fp) == EOF)
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goto err;
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}
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if (__sputc_r (ptr, '\n', fp) == EOF)
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goto err;
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result = '\n';
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err:
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_newlib_flockfile_end (fp);
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return result;
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#endif
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}
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#ifndef _REENT_ONLY
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int
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puts (char const * s)
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{
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return _puts_r (_REENT, s);
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}
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#endif
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