41 	cbuf->used = 0;  in cbuf_new()
57 	return cbuf->used;  in cbuf_getused()
63 	return cbuf->size - cbuf->used;  in cbuf_getavail()
69 	dropbear_assert(((2*cbuf->size)+cbuf->writepos-cbuf->readpos)%cbuf->size == cbuf->used%cbuf->size);  in cbuf_readlen()
70 …dropbear_assert(((2*cbuf->size)+cbuf->readpos-cbuf->writepos)%cbuf->size == (cbuf->size-cbuf->used…  in cbuf_readlen()
72 	if (cbuf->used == 0) {  in cbuf_readlen()
86 	dropbear_assert(cbuf->used <= cbuf->size);  in cbuf_writelen()
87 	dropbear_assert(((2*cbuf->size)+cbuf->writepos-cbuf->readpos)%cbuf->size == cbuf->used%cbuf->size);  in cbuf_writelen()
88 …dropbear_assert(((2*cbuf->size)+cbuf->readpos-cbuf->writepos)%cbuf->size == (cbuf->size-cbuf->used…  in cbuf_writelen()
90 	if (cbuf->used == cbuf->size) {  in cbuf_writelen()
124 	cbuf->used += len;  in cbuf_incrwrite()
125 	dropbear_assert(cbuf->used <= cbuf->size);  in cbuf_incrwrite()
135 	dropbear_assert(cbuf->used >= len);  in cbuf_incrread()
136 	cbuf->used -= len;  in cbuf_incrread()