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Sprite 1984 - 1993
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getw.c
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1988-06-13
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/*
* getw.c --
*
* Source code for the "getw" 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: getw.c,v 1.1 88/06/13 10:00:29 ouster Exp $ SPRITE (Berkeley)";
#endif not lint
#include "stdio.h"
/*
*----------------------------------------------------------------------
*
* getw --
*
* Read an integer word from a stream, in order of increasing
* byte number. This procedure should be avoided like the
* plague, since it's byte-order sensitive.
*
* Results:
* The return value is the word read, or EOF if there was an
* error (unfortunately, EOF looks just like an integer, so
* the caller really has to call ferror).
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
int
getw(stream)
register FILE *stream; /* Stream from which to read. */
{
int result, i;
register char *p;
for (i = 0, p = (char *) &result; i < sizeof(int); i++, p++) {
*p = getc(stream);
}
if (feof(stream)) {
return EOF;
}
return result;
}