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/*	Print data with a given format
25**
26**	Written by Kiem-Phong Vo.
27*/
28
29#if __STD_C
30int sfprintf(Sfio_t* f, const char* form, ...)
31#else
32int sfprintf(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	rv = sfvprintf(f,form,args);
49
50	va_end(args);
51	return rv;
52}
53
54#if __STD_C
55ssize_t sfvsprintf(char* s, size_t n, const char* form, va_list args)
56#else
57ssize_t sfvsprintf(s, n, form, args)
58char*	s;
59size_t	n;
60char*	form;
61va_list	args;
62#endif
63{
64	Sfio_t	*f;
65	ssize_t	rv;
66
67	/* make a temp stream */
68	if(!(f = sfnew(NIL(Sfio_t*),NIL(char*),(size_t)SF_UNBOUND,
69                        -1,SF_WRITE|SF_STRING)) )
70		return -1;
71
72	if((rv = sfvprintf(f,form,args)) >= 0 )
73	{	if(s && n > 0)
74		{	if((rv+1) >= n)
75				n--;
76			else
77				n = rv;
78			memcpy(s, f->data, n);
79			s[n] = 0;
80		}
81		_Sfi = rv;
82	}
83
84	sfclose(f);
85
86	return rv;
87}
88
89#if __STD_C
90ssize_t sfsprintf(char* s, size_t n, const char* form, ...)
91#else
92ssize_t sfsprintf(va_alist)
93va_dcl
94#endif
95{
96	va_list	args;
97	ssize_t	rv;
98
99#if __STD_C
100	va_start(args,form);
101#else
102	reg char*	s;
103	reg size_t	n;
104	reg char*	form;
105	va_start(args);
106	s = va_arg(args,char*);
107	n = va_arg(args,size_t);
108	form = va_arg(args,char*);
109#endif
110
111	rv = sfvsprintf(s,n,form,args);
112	va_end(args);
113
114	return rv;
115}
116