/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ /* * This file not used on plan9: see ../plan9/tmpfile.c *//* * pANS stdio -- tmpfile * * Bug: contains a critical section.  Two executions by the same * user could interleave as follows, both yielding the same file: *	access fails *			access fails *	fopen succeeds *			fopen succeeds *	unlink succeeds *			unlink fails * As I read the pANS, this can't reasonably use tmpnam to generate * the name, so that code is duplicated. */#include "iolib.h"FILE *tmpfile(void){	FILE *f;	static char name[]="/tmp/tf000000000000";	char *p;	while(access(name, 0)==0){		p=name+7;		while(*p=='9') *p++='0';		if(*p=='\0') return NULL;		++*p;	}	f=fopen(name, "wb+");	unlink(name);	return f;}