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att
GitHub Repository: att/ast
 Path: blob/master/src/cmd/tests/sfio/tpopen.c
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/***********************************************************************

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*                                                                      *

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*               This software is part of the ast package               *

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*          Copyright (c) 1999-2011 AT&T Intellectual Property          *

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*                      and is licensed under the                       *

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*                 Eclipse Public License, Version 1.0                  *

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*                    by AT&T Intellectual Property                     *

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*                                                                      *

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*                A copy of the License is available at                 *

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*          http://www.eclipse.org/org/documents/epl-v10.html           *

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*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

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*                                                                      *

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*              Information and Software Systems Research               *

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*                            AT&T Research                             *

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*                           Florham Park NJ                            *

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*                                                                      *

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*                 Glenn Fowler <[email protected]>                  *

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*                                                                      *

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***********************************************************************/

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#include	"sftest.h"

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tmain()

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{

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	Sfio_t	*f;

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	char	*s, *endos, *os = "one\ntwo\nthree\n";

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	int	n;

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	void(* handler)_ARG_((int));

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	if(argc > 1)

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	{	sfmove(sfstdin,sfstdout,(Sfoff_t)(-1),-1);

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		return 0;

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	}

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	if(!(f = sfpopen((Sfio_t*)0, sfprints("%s -p > %s", argv[0], tstfile("sf", 0)), "w")))

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		terror("Opening for write");

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	if(sfwrite(f,os,strlen(os)) != (ssize_t)strlen(os))

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		terror("Writing");

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#ifdef SIGPIPE

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	if((handler = signal(SIGPIPE,SIG_DFL)) == SIG_DFL)

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		terror("Wrong signal handler");

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	if((handler = signal(SIGPIPE,handler)) != SIG_DFL)

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		terror("Weird signal handling");

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#endif

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	sfclose(f);

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	if(!(f = sfpopen((Sfio_t*)0, sfprints("%s -p < %s", argv[0], tstfile("sf", 0)), "r")))

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		terror("Opening for read");

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	sleep(1);

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	endos = os + strlen(os);

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	while(s = sfgetr(f,'\n',0))

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	{	n = sfvalue(f);

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		if(strncmp(s,os,n) != 0)

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		{	s[n-1] = os[n-1] = 0;

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			terror("Input=%s, Expect=%s",s,os);

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		}

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		os += n;

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	}

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	if(os != endos)

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		terror("Does not match all data, left=%s",os);

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	texit(0);

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}

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