/*** * istrldbl.cxx - definitions for istream class operator>>(long double) funct * * Copyright (c) 1991-1993, Microsoft Corporation. All rights reserved. * *Purpose: * Definitions of operator>>(long double) member function for istream * class. * [AT&T C++] * *Revision History: * 09-26-91 KRS Created. Split off from istream.cxx for granularity. * 12-30-92 KRS Fix indirection problem with **endptr. * 05-10-93 CFW Re-enable function, use strtod since no _strtold. * *******************************************************************************/ #include #include #include #include #pragma hdrstop #pragma check_stack(on) // large buffer(s) // CONSIDER: validate this maximum length #define MAXLDBLSIZ 32 istream& istream::operator>>(long double& n) { _WINSTATIC char ibuffer[MAXLDBLSIZ]; char ** endptr = (char**)NULL; if (ipfx(0)) { if (getdouble(ibuffer, MAXLDBLSIZ)>0) { n = (long double)strtod(ibuffer, endptr); #if 0 if (**endptr) { //UNDONE: put back any unread characters, if possible } #endif } isfx(); } return *this; }