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Diffstat (limited to 'private/crt32/stdio/feoferr.c')
-rw-r--r-- | private/crt32/stdio/feoferr.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/private/crt32/stdio/feoferr.c b/private/crt32/stdio/feoferr.c new file mode 100644 index 000000000..09d27ea5b --- /dev/null +++ b/private/crt32/stdio/feoferr.c @@ -0,0 +1,78 @@ +/*** +*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 +* <cruntime.h>. +* 10-02-90 GJF New-style function declarators. +* +*******************************************************************************/ + +#include <cruntime.h> +#include <stdio.h> + +/* 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) ); +} |