36 buffer_init(Buffer *buffer)  in buffer_init()  argument
40 	buffer->alloc = 0;  in buffer_init()
41 	buffer->buf = xmalloc(len);  in buffer_init()
42 	buffer->alloc = len;  in buffer_init()
43 	buffer->offset = 0;  in buffer_init()
44 	buffer->end = 0;  in buffer_init()
50 buffer_free(Buffer *buffer)  in buffer_free()  argument
52 	if (buffer->alloc > 0) {  in buffer_free()
53 		explicit_bzero(buffer->buf, buffer->alloc);  in buffer_free()
54 		buffer->alloc = 0;  in buffer_free()
55 		free(buffer->buf);  in buffer_free()
65 buffer_clear(Buffer *buffer)  in buffer_clear()  argument
67 	buffer->offset = 0;  in buffer_clear()
68 	buffer->end = 0;  in buffer_clear()
74 buffer_append(Buffer *buffer, const void *data, u_int len)  in buffer_append()  argument
77 	p = buffer_append_space(buffer, len);  in buffer_append()
82 buffer_compact(Buffer *buffer)  in buffer_compact()  argument
88 	if (buffer->offset > MIN(buffer->alloc, BUFFER_MAX_CHUNK)) {  in buffer_compact()
89 		memmove(buffer->buf, buffer->buf + buffer->offset,  in buffer_compact()
90 			buffer->end - buffer->offset);  in buffer_compact()
91 		buffer->end -= buffer->offset;  in buffer_compact()
92 		buffer->offset = 0;  in buffer_compact()
105 buffer_append_space(Buffer *buffer, u_int len)  in buffer_append_space()  argument
114 	if (buffer->offset == buffer->end) {  in buffer_append_space()
115 		buffer->offset = 0;  in buffer_append_space()
116 		buffer->end = 0;  in buffer_append_space()
120 	if (buffer->end + len < buffer->alloc) {  in buffer_append_space()
121 		p = buffer->buf + buffer->end;  in buffer_append_space()
122 		buffer->end += len;  in buffer_append_space()
127 	if (buffer_compact(buffer))  in buffer_append_space()
131 	newlen = roundup(buffer->alloc + len, BUFFER_ALLOCSZ);  in buffer_append_space()
135 	buffer->buf = xrealloc(buffer->buf, 1, newlen);  in buffer_append_space()
136 	buffer->alloc = newlen;  in buffer_append_space()
146 buffer_check_alloc(Buffer *buffer, u_int len)  in buffer_check_alloc()  argument
148 	if (buffer->offset == buffer->end) {  in buffer_check_alloc()
149 		buffer->offset = 0;  in buffer_check_alloc()
150 		buffer->end = 0;  in buffer_check_alloc()
153 	if (buffer->end + len < buffer->alloc)  in buffer_check_alloc()
155 	if (buffer_compact(buffer))  in buffer_check_alloc()
157 	if (roundup(buffer->alloc + len, BUFFER_ALLOCSZ) <= BUFFER_MAX_LEN)  in buffer_check_alloc()
165 buffer_len(const Buffer *buffer)  in buffer_len()  argument
167 	return buffer->end - buffer->offset;  in buffer_len()
180 buffer_get_ret(Buffer *buffer, void *buf, u_int len)  in buffer_get_ret()  argument
182 	if (len > buffer->end - buffer->offset) {  in buffer_get_ret()
184 		    len, buffer->end - buffer->offset);  in buffer_get_ret()
187 	memcpy(buf, buffer->buf + buffer->offset, len);  in buffer_get_ret()
188 	buffer->offset += len;  in buffer_get_ret()
193 buffer_get(Buffer *buffer, void *buf, u_int len)  in buffer_get()  argument
195 	if (buffer_get_ret(buffer, buf, len) == -1)  in buffer_get()
202 buffer_consume_ret(Buffer *buffer, u_int bytes)  in buffer_consume_ret()  argument
204 	if (bytes > buffer->end - buffer->offset) {  in buffer_consume_ret()
208 	buffer->offset += bytes;  in buffer_consume_ret()
213 buffer_consume(Buffer *buffer, u_int bytes)  in buffer_consume()  argument
215 	if (buffer_consume_ret(buffer, bytes) == -1)  in buffer_consume()
222 buffer_consume_end_ret(Buffer *buffer, u_int bytes)  in buffer_consume_end_ret()  argument
224 	if (bytes > buffer->end - buffer->offset)  in buffer_consume_end_ret()
226 	buffer->end -= bytes;  in buffer_consume_end_ret()
231 buffer_consume_end(Buffer *buffer, u_int bytes)  in buffer_consume_end()  argument
233 	if (buffer_consume_end_ret(buffer, bytes) == -1)  in buffer_consume_end()
240 buffer_ptr(const Buffer *buffer)  in buffer_ptr()  argument
242 	return buffer->buf + buffer->offset;  in buffer_ptr()
248 buffer_dump(const Buffer *buffer)  in buffer_dump()  argument
251 	u_char *ucp = buffer->buf;  in buffer_dump()
253 	for (i = buffer->offset; i < buffer->end; i++) {  in buffer_dump()
255 		if ((i-buffer->offset)%16==15)  in buffer_dump()
257 		else if ((i-buffer->offset)%2==1)  in buffer_dump()