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 #pragma prototyped 23 /* 24 * Glenn Fowler 25 * AT&T Research 26 * 27 * sfio tmp string buffer support 28 */ 29 30 #include <sfio_t.h> 31 #include <ast.h> 32 33 #if __OBSOLETE__ >= 20070101 /* sfstr* macros now use sfsetbuf() */ 34 35 NoN(sfstrtmp) 36 37 #else 38 39 #if defined(__EXPORT__) 40 #define extern __EXPORT__ 41 #endif 42 43 /* 44 * replace buffer in string stream f for either SF_READ or SF_WRITE 45 */ 46 47 extern int 48 sfstrtmp(register Sfio_t* f, int mode, void* buf, size_t siz) 49 { 50 if (!(f->_flags & SF_STRING)) 51 return -1; 52 if (f->_flags & SF_MALLOC) 53 free(f->_data); 54 f->_flags &= ~(SF_ERROR|SF_MALLOC); 55 f->mode = mode; 56 f->_next = f->_data = (unsigned char*)buf; 57 f->_endw = f->_endr = f->_endb = f->_data + siz; 58 f->_size = siz; 59 return 0; 60 } 61 62 #endif 63