ref: d8999511e0921e2aaa45f862c5b4ca9098d78a96
dir: /sys/src/libString/s_terminate.c/
#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; }