/*** * istrgetl.cpp - definitions for istream class get() member function * * Copyright (c) 1991-2001, Microsoft Corporation. All rights reserved. * *Purpose: * Definitions of get and getline member functions istream class. * [AT&T C++] * *Revision History: * 09-26-91 KRS Created. Split off from istream.cxx for granularity. * 01-23-92 KRS C700 #5880: Add cast to fix comparison in get(). * 05-11-95 CFW Change delim to int to support ignore(str,EOF). * 06-14-95 CFW Comment cleanup. * *******************************************************************************/ #include #include #include #pragma hdrstop // unformatted input functions // signed and unsigned char make inline calls to this: // all versions of getline also share this code: istream& istream::get( char *b, int lim, int delim) { int c; unsigned int i = 0; if (ipfx(1)) // resets x_gcount { if (lim--) { while (i < (unsigned)lim) { c = bp->sgetc(); if (c == EOF) { state |= ios::eofbit; if (!i) state |= ios::failbit; break; } else if (c == delim) { if (_fGline) { x_gcount++; bp->stossc(); // extract delim if called from getline } break; } else { if (b) b[i] = (char)c; bp->stossc(); // advance pointer } i++; } x_gcount += i; // set gcount() } isfx(); lim++; // restore lim for test below } if ((b) && (lim)) // always null-terminate, if possible b[i] = '\0'; _fGline = 0; return *this; }