1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
5*                      and is licensed under the                       *
6*                  Common Public License, Version 1.0                  *
7*                    by AT&T Intellectual Property                     *
8*                                                                      *
9*                A copy of the License is available at                 *
10*            http://www.opensource.org/licenses/cpl1.0.txt             *
11*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12*                                                                      *
13*              Information and Software Systems Research               *
14*                            AT&T Research                             *
15*                           Florham Park NJ                            *
16*                                                                      *
17*                 Glenn Fowler <gsf@research.att.com>                  *
18*                  David Korn <dgk@research.att.com>                   *
19*                   Phong Vo <kpv@research.att.com>                    *
20*                                                                      *
21***********************************************************************/
22#include	"sfhdr.h"
23
24/*	Read formated data from a stream
25**
26**	Written by Kiem-Phong Vo.
27*/
28
29#if __STD_C
30int sfscanf(Sfio_t* f, const char* form, ...)
31#else
32int sfscanf(va_alist)
33va_dcl
34#endif
35{
36	va_list	args;
37	reg int	rv;
38
39#if __STD_C
40	va_start(args,form);
41#else
42	reg Sfio_t*	f;
43	reg char*	form;
44	va_start(args);
45	f = va_arg(args,Sfio_t*);
46	form = va_arg(args,char*);
47#endif
48
49	rv = (f && form) ? sfvscanf(f,form,args) : -1;
50	va_end(args);
51	return rv;
52}
53
54#if __STD_C
55int sfvsscanf(const char* s, const char* form, va_list args)
56#else
57int sfvsscanf(s, form, args)
58char*	s;
59char*	form;
60va_list	args;
61#endif
62{
63	Sfio_t	f;
64
65	if(!s || !form)
66		return -1;
67
68	/* make a fake stream */
69	SFCLEAR(&f,NIL(Vtmutex_t*));
70	f.flags = SF_STRING|SF_READ;
71	f.bits = SF_PRIVATE;
72	f.mode = SF_READ;
73	f.size = strlen((char*)s);
74	f.data = f.next = f.endw = (uchar*)s;
75	f.endb = f.endr = f.data+f.size;
76
77	return sfvscanf(&f,form,args);
78}
79
80#if __STD_C
81int sfsscanf(const char* s, const char* form,...)
82#else
83int sfsscanf(va_alist)
84va_dcl
85#endif
86{
87	va_list		args;
88	reg int		rv;
89#if __STD_C
90	va_start(args,form);
91#else
92	reg char*	s;
93	reg char*	form;
94	va_start(args);
95	s = va_arg(args,char*);
96	form = va_arg(args,char*);
97#endif
98
99	rv = (s && form) ? sfvsscanf(s,form,args) : -1;
100	va_end(args);
101	return rv;
102}
103