jehanne/sys/src/lib/String/s_unique.c

26 lines
582 B
C
Raw Normal View History

/*
* 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.
*/
#include <u.h>
#include <lib9.h>
#include "String.h"
String*
s_unique(String *s)
{
String *p;
if(s->ref > 1){
p = s;
s = s_clone(p);
s_free(p);
}
return s;
}