33 buffer_init(Buffer *buffer)  in buffer_init()  argument
37 	buffer->alloc = 0;  in buffer_init()
38 	buffer->buf = xmalloc(len);  in buffer_init()
39 	buffer->alloc = len;  in buffer_init()
40 	buffer->offset = 0;  in buffer_init()
41 	buffer->end = 0;  in buffer_init()
47 buffer_free(Buffer *buffer)  in buffer_free()  argument
49 	if (buffer->alloc > 0) {  in buffer_free()
50 		memset(buffer->buf, 0, buffer->alloc);  in buffer_free()
51 		buffer->alloc = 0;  in buffer_free()
52 		xfree(buffer->buf);  in buffer_free()
62 buffer_clear(Buffer *buffer)  in buffer_clear()  argument
64 	buffer->offset = 0;  in buffer_clear()
65 	buffer->end = 0;  in buffer_clear()
71 buffer_append(Buffer *buffer, const void *data, u_int len)  in buffer_append()  argument
74 	p = buffer_append_space(buffer, len);  in buffer_append()
79 buffer_compact(Buffer *buffer)  in buffer_compact()  argument
85 	if (buffer->offset > MIN(buffer->alloc, BUFFER_MAX_CHUNK)) {  in buffer_compact()
86 		memmove(buffer->buf, buffer->buf + buffer->offset,  in buffer_compact()
87 			buffer->end - buffer->offset);  in buffer_compact()
88 		buffer->end -= buffer->offset;  in buffer_compact()
89 		buffer->offset = 0;  in buffer_compact()
102 buffer_append_space(Buffer *buffer, u_int len)  in buffer_append_space()  argument
111 	if (buffer->offset == buffer->end) {  in buffer_append_space()
112 		buffer->offset = 0;  in buffer_append_space()
113 		buffer->end = 0;  in buffer_append_space()
117 	if (buffer->end + len < buffer->alloc) {  in buffer_append_space()
118 		p = buffer->buf + buffer->end;  in buffer_append_space()
119 		buffer->end += len;  in buffer_append_space()
124 	if (buffer_compact(buffer))  in buffer_append_space()
128 	newlen = roundup(buffer->alloc + len, BUFFER_ALLOCSZ);  in buffer_append_space()
132 	buffer->buf = xrealloc(buffer->buf, newlen);  in buffer_append_space()
133 	buffer->alloc = newlen;  in buffer_append_space()
143 buffer_check_alloc(Buffer *buffer, u_int len)  in buffer_check_alloc()  argument
145 	if (buffer->offset == buffer->end) {  in buffer_check_alloc()
146 		buffer->offset = 0;  in buffer_check_alloc()
147 		buffer->end = 0;  in buffer_check_alloc()
150 	if (buffer->end + len < buffer->alloc)  in buffer_check_alloc()
152 	if (buffer_compact(buffer))  in buffer_check_alloc()
154 	if (roundup(buffer->alloc + len, BUFFER_ALLOCSZ) <= BUFFER_MAX_LEN)  in buffer_check_alloc()
162 buffer_len(Buffer *buffer)  in buffer_len()  argument
164 	return buffer->end - buffer->offset;  in buffer_len()
170 buffer_get_ret(Buffer *buffer, void *buf, u_int len)  in buffer_get_ret()  argument
172 	if (len > buffer->end - buffer->offset) {  in buffer_get_ret()
174 		    len, buffer->end - buffer->offset);  in buffer_get_ret()
177 	memcpy(buf, buffer->buf + buffer->offset, len);  in buffer_get_ret()
178 	buffer->offset += len;  in buffer_get_ret()
183 buffer_get(Buffer *buffer, void *buf, u_int len)  in buffer_get()  argument
185 	if (buffer_get_ret(buffer, buf, len) == -1)  in buffer_get()
192 buffer_consume_ret(Buffer *buffer, u_int bytes)  in buffer_consume_ret()  argument
194 	if (bytes > buffer->end - buffer->offset) {  in buffer_consume_ret()
198 	buffer->offset += bytes;  in buffer_consume_ret()
203 buffer_consume(Buffer *buffer, u_int bytes)  in buffer_consume()  argument
205 	if (buffer_consume_ret(buffer, bytes) == -1)  in buffer_consume()
212 buffer_consume_end_ret(Buffer *buffer, u_int bytes)  in buffer_consume_end_ret()  argument
214 	if (bytes > buffer->end - buffer->offset)  in buffer_consume_end_ret()
216 	buffer->end -= bytes;  in buffer_consume_end_ret()
221 buffer_consume_end(Buffer *buffer, u_int bytes)  in buffer_consume_end()  argument
223 	if (buffer_consume_end_ret(buffer, bytes) == -1)  in buffer_consume_end()
230 buffer_ptr(Buffer *buffer)  in buffer_ptr()  argument
232 	return buffer->buf + buffer->offset;  in buffer_ptr()
237 buffer_dump(Buffer *buffer)  in buffer_dump()  argument
240 	u_char *ucp = buffer->buf;  in buffer_dump()
242 	for (i = buffer->offset; i < buffer->end; i++) {  in buffer_dump()
244 		if ((i-buffer->offset)%16==15)  in buffer_dump()
246 		else if ((i-buffer->offset)%2==1)  in buffer_dump()
250 	if (buffer->offset == buffer->end) {  in buffer_dump()
255 		if ((i - buffer->offset) % 16 != 0)  in buffer_dump()