topen.c

su 的源代码库

/* Copyright (c) Colorado School of Mines, 2006.*/
/* All rights reserved.                       */

#include	"sftest.h"

MAIN()
{
	Sfio_t*	f;
	Sfio_t	sf;

	if(sfopen(sfstdout,"abc","s") != sfstdout)
		terror("Bad reopening of sfstdout\n");
	if(sfopen(sfstdin,"123","s") != sfstdin)
		terror("Bad reopening of sfstdin\n");
	sfclose(sfstdin);

	if(!(f = sfopen(NIL(Sfio_t*),"123","s")) )
		terror("Opening a stream\n");
	sfclose(f);
	if(sfopen(f,"123","s") != NIL(Sfio_t*))
		terror("can't reopen a closed stream!\n");

	if(sfnew(&sf,NIL(char*),(size_t)SF_UNBOUND,0,SF_EOF|SF_READ) != &sf)
		terror("Did not open sf\n");
	sfset(&sf,SF_STATIC,1);
	if(sfclose(&sf) < 0 || !(sfset(&sf,0,0)&SF_STATIC))
		terror("Did not close sf\n");

	/* test for exclusive opens */
	unlink(tstfile(0));
	if(!(f = sfopen(NIL(Sfio_t*),tstfile(0),"wx") ) )
		terror("sfopen failed\n");
	if((f = sfopen(f,tstfile(0),"wx") ) )
		terror("sfopen should not succeed here\n");

	TSTEXIT(0);
}