git: 9front

ref: 44cb92becf1a420e6f72f4f1637fd0914c5cd46d
dir: /sys/src/libString/s_terminate.c/

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#include <u.h>
#include <libc.h>
#include "String.h"

void
s_terminate(String *s)
{
	if(s->ref > 1)
		sysfatal("can't s_terminate a shared string");
	if (s->ptr >= s->end)
		s_grow(s, 1);
	*s->ptr = 0;
}