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