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att
GitHub Repository: att/ast
 Path: blob/master/src/cmd/tests/sfio/tpopenrw.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	buf[1024], *s;

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	int	n;

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#ifdef DEBUG

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	Sfio_t*	logf = sfopen(0,"LOG","a"); sfsetbuf(logf,NIL(Void_t*),0);

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#endif

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	alarm(10);

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	if(argc > 1)

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	{	/* coprocess only */

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		while((s = sfreserve(sfstdin,SF_UNBOUND,0)) )

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		{

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#ifdef DEBUG

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			sfwrite(logf, s, sfvalue(sfstdin));

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#endif

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			sfwrite(sfstdout, s, sfvalue(sfstdin));

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		}

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		return 0;

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	}

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	/* make coprocess */

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

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		terror("Opening for read/write");

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	for(n = 0; n < 10; ++n)

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	{	sfsprintf(buf,sizeof(buf),"Line %d",n);

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		sfputr(f,buf,'\n');

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		if(!(s = sfgetr(f,'\n',1)))

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			terror("Did not read back line");

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		if(strcmp(s,buf) != 0)

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

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	}

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	if(sfputr(f,"123456789",'\n') != 10)

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		terror("Bad write");

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	if(sfread(f,buf,3) != 3)

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		terror("Did not get data back");

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	if(strncmp(s,"123",3) != 0)

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		terror("Wrong data");

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	if(sfwrite(f,"aaa",3) != 3 || sfputc(f,'\n') != '\n')

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		terror("Fail on write");

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	if(!(s = sfgetr(f,'\n',1)) )

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		terror("Should have gotten 456789"); 

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	if(strcmp(s,"456789") != 0)

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		terror("Wrong data2");

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	if(!(s = sfgetr(f,'\n',1)) )

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		terror("Should have gotten aaa"); 

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	if(strcmp(s,"aaa") != 0)

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		terror("Wrong data3");

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	sfclose(f);

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	texit(0);

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}

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