1*4887Schin /*********************************************************************** 2*4887Schin * * 3*4887Schin * This software is part of the ast package * 4*4887Schin * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5*4887Schin * and is licensed under the * 6*4887Schin * Common Public License, Version 1.0 * 7*4887Schin * by AT&T Knowledge Ventures * 8*4887Schin * * 9*4887Schin * A copy of the License is available at * 10*4887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 11*4887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12*4887Schin * * 13*4887Schin * Information and Software Systems Research * 14*4887Schin * AT&T Research * 15*4887Schin * Florham Park NJ * 16*4887Schin * * 17*4887Schin * Glenn Fowler <gsf@research.att.com> * 18*4887Schin * David Korn <dgk@research.att.com> * 19*4887Schin * Phong Vo <kpv@research.att.com> * 20*4887Schin * * 21*4887Schin ***********************************************************************/ 22*4887Schin #include "sfhdr.h" 23*4887Schin 24*4887Schin /* Print data with a given format 25*4887Schin ** 26*4887Schin ** Written by Kiem-Phong Vo. 27*4887Schin */ 28*4887Schin 29*4887Schin #if __STD_C 30*4887Schin int sfprintf(Sfio_t* f, const char* form, ...) 31*4887Schin #else 32*4887Schin int sfprintf(va_alist) 33*4887Schin va_dcl 34*4887Schin #endif 35*4887Schin { 36*4887Schin va_list args; 37*4887Schin reg int rv; 38*4887Schin 39*4887Schin #if __STD_C 40*4887Schin va_start(args,form); 41*4887Schin #else 42*4887Schin reg Sfio_t* f; 43*4887Schin reg char* form; 44*4887Schin va_start(args); 45*4887Schin f = va_arg(args,Sfio_t*); 46*4887Schin form = va_arg(args,char*); 47*4887Schin #endif 48*4887Schin rv = sfvprintf(f,form,args); 49*4887Schin 50*4887Schin va_end(args); 51*4887Schin return rv; 52*4887Schin } 53*4887Schin 54*4887Schin #if __STD_C 55*4887Schin ssize_t sfvsprintf(char* s, size_t n, const char* form, va_list args) 56*4887Schin #else 57*4887Schin ssize_t sfvsprintf(s, n, form, args) 58*4887Schin char* s; 59*4887Schin size_t n; 60*4887Schin char* form; 61*4887Schin va_list args; 62*4887Schin #endif 63*4887Schin { 64*4887Schin Sfio_t *f; 65*4887Schin ssize_t rv; 66*4887Schin 67*4887Schin /* make a temp stream */ 68*4887Schin if(!(f = sfnew(NIL(Sfio_t*),NIL(char*),(size_t)SF_UNBOUND, 69*4887Schin -1,SF_WRITE|SF_STRING)) ) 70*4887Schin return -1; 71*4887Schin 72*4887Schin if((rv = sfvprintf(f,form,args)) < 0 ) 73*4887Schin return -1; 74*4887Schin if(s && n > 0) 75*4887Schin { if((rv+1) >= n) 76*4887Schin n--; 77*4887Schin else 78*4887Schin n = rv; 79*4887Schin memcpy(s, f->data, n); 80*4887Schin s[n] = 0; 81*4887Schin } 82*4887Schin 83*4887Schin sfclose(f); 84*4887Schin 85*4887Schin _Sfi = rv; 86*4887Schin 87*4887Schin return rv; 88*4887Schin } 89*4887Schin 90*4887Schin #if __STD_C 91*4887Schin ssize_t sfsprintf(char* s, size_t n, const char* form, ...) 92*4887Schin #else 93*4887Schin ssize_t sfsprintf(va_alist) 94*4887Schin va_dcl 95*4887Schin #endif 96*4887Schin { 97*4887Schin va_list args; 98*4887Schin ssize_t rv; 99*4887Schin 100*4887Schin #if __STD_C 101*4887Schin va_start(args,form); 102*4887Schin #else 103*4887Schin reg char* s; 104*4887Schin reg size_t n; 105*4887Schin reg char* form; 106*4887Schin va_start(args); 107*4887Schin s = va_arg(args,char*); 108*4887Schin n = va_arg(args,size_t); 109*4887Schin form = va_arg(args,char*); 110*4887Schin #endif 111*4887Schin 112*4887Schin rv = sfvsprintf(s,n,form,args); 113*4887Schin va_end(args); 114*4887Schin 115*4887Schin return rv; 116*4887Schin } 117