1 #include <u.h> 2 #include <libc.h> 3 #include "libString.h" 4 5 void 6 s_terminate(String *s) 7 { 8 if(s->ref > 1) 9 sysfatal("can't s_terminate a shared string"); 10 if (s->ptr >= s->end) 11 s_grow(s, 1); 12 *s->ptr = 0; 13 }