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