git: 9front

ref: d45da8a2c916ff38c925984b7a723c52630e3862
dir: /sys/src/libString/s_unique.c/

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#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;
}