git: 9front

ref: edd3be53e7dc7b3362b4f1af86788a8fcae8b4fb
dir: /sys/src/libString/s_unique.c/

#include <u.h>
#include <libc.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;
}