232 static int __printf(2, 3) append(struct strbuf *sbuf, const char *fmt, ...)  in append()  argument
238 	if (sbuf->ptr == NULL)  in append()
239 		sbuf->ptr = sbuf->buf;  in append()
240 	left = sizeof(sbuf->buf) - (sbuf->ptr - sbuf->buf);  in append()
242 	len = vsnprintk(sbuf->ptr, left, fmt, ap);  in append()
252 	sbuf->ptr += MIN(left, len);  in append()
261 	struct strbuf sbuf;  in dhex_dump()  local
265 		sbuf.ptr = NULL;  in dhex_dump()
268 				ok = append(&sbuf, "%0*" PRIxVA "  ",  in dhex_dump()
273 			ok = append(&sbuf, "%02x ", in[i]);  in dhex_dump()
277 				ok = append(&sbuf, " ");  in dhex_dump()
282 					     sbuf.buf);  in dhex_dump()
283 				sbuf.ptr = NULL;  in dhex_dump()
286 		if (sbuf.ptr) {  in dhex_dump()
289 				     sbuf.buf);  in dhex_dump()