/*** *feoferr.c - defines feof() and ferror() * * Copyright (c) 1989-1991, Microsoft Corporation. All rights reserved. * *Purpose: * Defines feof() (test for end-of-file on a stream) and ferror() (test * for error on a stream). * *Revision History: * 03-13-89 GJF Module created * 03-27-89 GJF Moved to 386 tree * 02-15-90 GJF Fixed copyright * 03-16-90 GJF Made calling type _CALLTYPE1 and added #include * . * 10-02-90 GJF New-style function declarators. * *******************************************************************************/ #include #include /* remove macro definitions for feof() and ferror() */ #undef feof #undef ferror /*** *int feof(stream) - test for end-of-file on stream * *Purpose: * Tests whether or not the given stream is at end-of-file. Normally * feof() is a macro, but it must also be available as a true function * for ANSI. * *Entry: * FILE *stream - stream to test * *Exit: * returns nonzero (_IOEOF to be more precise) if and only if the stream * is at end-of-file * *Exceptions: * *******************************************************************************/ int _CALLTYPE1 feof ( FILE *stream ) { return( ((stream)->_flag & _IOEOF) ); } /*** *int ferror(stream) - test error indicator on stream * *Purpose: * Tests the error indicator for the given stream. Normally, feof() is * a macro, but it must also be available as a true function for ANSI. * *Entry: * FILE *stream - stream to test * *Exit: * returns nonzero (_IOERR to be more precise) if and only if the error * indicator for the stream is set. * *Exceptions: * *******************************************************************************/ int _CALLTYPE1 ferror ( FILE *stream ) { return( ((stream)->_flag & _IOERR) ); }