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Sprite 1984 - 1993
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Sprite 1984 - 1993.iso
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fclose.c
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C/C++ Source or Header
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1991-06-03
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/*
* fclose.c --
*
* Source code for the "fclose" library procedure.
*
* Copyright 1988 Regents of the University of California
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies. The University of California
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
*/
#ifndef lint
static char rcsid[] = "$Header: /sprite/src/lib/c/stdio/RCS/fclose.c,v 1.2 91/06/03 17:40:00 kupfer Exp $ SPRITE (Berkeley)";
#endif not lint
#include "stdio.h"
/*
*----------------------------------------------------------------------
*
* fclose --
*
* Flush any remaining I/O and perform stream-dependent operations
* to close off stream. From this point on, no further I/O should
* be performed on stream.
*
* Results:
* EOF is returned if there is an error condition pending for
* the stream, or if an error occurred during the close.
*
* Side effects:
* The stream is closed.
*
*----------------------------------------------------------------------
*/
int
fclose(stream)
FILE *stream; /* Stream to be closed. */
{
int result;
/*
* If stream is NULL, we will eventually get a segmentation fault.
* This is intentional, to point out a probable bug in the calling
* program. One could make a case for making fclose() more
* forgiving about NULL streams, but this way we track what the
* BSD guys are doing.
*/
result = fflush(stream);
if (stream->closeProc == NULL) {
return result;
}
if ((*stream->closeProc)(stream) == EOF) {
return EOF;
}
return result;
}