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att
GitHub Repository: att/ast
 Path: blob/master/src/cmd/tests/sfio/tscanf1.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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/* test to see sfvscanf still works ok with a discipline that

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** returns one byte at a time.

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*/

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typedef struct _mydisc_s

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{

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	Sfdisc_t	disc;

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	Sfio_t*		f;

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} Mydisc_t;

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#if __STD_C

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static ssize_t oneread(Sfio_t* f, Void_t* buf, size_t size, Sfdisc_t* disc)

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#else

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static ssize_t oneread(f, buf, size, disc)

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Sfio_t*		f;

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Void_t*		buf;

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size_t		size;

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Sfdisc_t*	disc;

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#endif

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{

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	Mydisc_t	*dc = (Mydisc_t*)disc;

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	if(!f || size <= 0)

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		return -1;

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	return sfread(dc->f, buf, 1);

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}

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static Mydisc_t	Mydisc;

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tmain()

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{

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	int		n;

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	double		d;

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	int		i;

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	char		s[10];

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	Sfio_t		*f, *str;

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	if((n = sfsscanf("ten 10 10", "%s %d %lf", s, &i, &d)) != 3)

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		terror("Bad scanning %d", n);

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	if(strncmp("ten",s,3) != 0 || i != 10 || d != 10)

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		terror("Bad scanned values ");

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	if(!(f = sfnew((Sfio_t*)0, (Void_t*)0, (size_t)SF_UNBOUND, 0, SF_READ) ) )

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		terror("Can't create stream f");

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	if(!(str = sfopen(0, "ten 10 10", "s")) )

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		terror("Can't open string stream str");

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	Mydisc.disc.readf = oneread;

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	Mydisc.f = str;

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	sfdisc(f,&Mydisc.disc);

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	s[0] = 0; i = 0; d = 0;

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	if((n = sfscanf(f, "%s %d %lf", s, &i, &d)) != 3)

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		terror("Bad scanning %d", n);

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	if(strncmp("ten",s,3) != 0 || i != 10 || d != 10)

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		terror("Bad scanned values2");

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	return 0;

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}

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