fwalk.c

来自「基于4个mips核的noc设计」· C语言 代码 · 共 36 行

/*
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include "local.h"
#include "glue.h"

int _fwalk( int (*function)(FILE *) )
{
	register FILE *fp;
	register int n, ret = 0;
	register struct glue *g;

	for (g = &__sglue; g != NULL; g = g->next)
		for (fp = g->iobs, n = g->niobs; --n >= 0; fp++)
			if (fp->_flags != 0)
				ret |= (*function)(fp);
	return (ret);
}