1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 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 30 int sfprintf(Sfio_t* f, const char* form, ...) 31 #else 32 int sfprintf(va_alist) 33 va_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 55 ssize_t sfvsprintf(char* s, size_t n, const char* form, va_list args) 56 #else 57 ssize_t sfvsprintf(s, n, form, args) 58 char* s; 59 size_t n; 60 char* form; 61 va_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 return -1; 74 if(s && n > 0) 75 { if((rv+1) >= n) 76 n--; 77 else 78 n = rv; 79 memcpy(s, f->data, n); 80 s[n] = 0; 81 } 82 83 sfclose(f); 84 85 _Sfi = rv; 86 87 return rv; 88 } 89 90 #if __STD_C 91 ssize_t sfsprintf(char* s, size_t n, const char* form, ...) 92 #else 93 ssize_t sfsprintf(va_alist) 94 va_dcl 95 #endif 96 { 97 va_list args; 98 ssize_t rv; 99 100 #if __STD_C 101 va_start(args,form); 102 #else 103 reg char* s; 104 reg size_t n; 105 reg char* form; 106 va_start(args); 107 s = va_arg(args,char*); 108 n = va_arg(args,size_t); 109 form = va_arg(args,char*); 110 #endif 111 112 rv = sfvsprintf(s,n,form,args); 113 va_end(args); 114 115 return rv; 116 } 117