21 	sldns_buffer *buffer = (sldns_buffer*)malloc(sizeof(sldns_buffer));  in sldns_buffer_new()  local
23 	if (!buffer) {  in sldns_buffer_new()
27 	buffer->_data = (uint8_t *) malloc(capacity);  in sldns_buffer_new()
28 	if (!buffer->_data) {  in sldns_buffer_new()
29 		free(buffer);  in sldns_buffer_new()
33 	buffer->_position = 0;  in sldns_buffer_new()
34 	buffer->_limit = buffer->_capacity = capacity;  in sldns_buffer_new()
35 	buffer->_fixed = 0;  in sldns_buffer_new()
36 	buffer->_status_err = 0;  in sldns_buffer_new()
38 	sldns_buffer_invariant(buffer);  in sldns_buffer_new()
40 	return buffer;  in sldns_buffer_new()
44 sldns_buffer_new_frm_data(sldns_buffer *buffer, void *data, size_t size)  in sldns_buffer_new_frm_data()  argument
48 	buffer->_position = 0;   in sldns_buffer_new_frm_data()
49 	buffer->_limit = buffer->_capacity = size;  in sldns_buffer_new_frm_data()
50 	buffer->_fixed = 0;  in sldns_buffer_new_frm_data()
51 	if (!buffer->_fixed && buffer->_data)  in sldns_buffer_new_frm_data()
52 		free(buffer->_data);  in sldns_buffer_new_frm_data()
53 	buffer->_data = malloc(size);  in sldns_buffer_new_frm_data()
54 	if(!buffer->_data) {  in sldns_buffer_new_frm_data()
55 		buffer->_status_err = 1;  in sldns_buffer_new_frm_data()
58 	memcpy(buffer->_data, data, size);  in sldns_buffer_new_frm_data()
59 	buffer->_status_err = 0;  in sldns_buffer_new_frm_data()
61 	sldns_buffer_invariant(buffer);  in sldns_buffer_new_frm_data()
65 sldns_buffer_init_frm_data(sldns_buffer *buffer, void *data, size_t size)  in sldns_buffer_init_frm_data()  argument
67 	memset(buffer, 0, sizeof(*buffer));  in sldns_buffer_init_frm_data()
68 	buffer->_data = data;  in sldns_buffer_init_frm_data()
69 	buffer->_capacity = buffer->_limit = size;  in sldns_buffer_init_frm_data()
70 	buffer->_fixed = 1;  in sldns_buffer_init_frm_data()
74 sldns_buffer_set_capacity(sldns_buffer *buffer, size_t capacity)  in sldns_buffer_set_capacity()  argument
78 	sldns_buffer_invariant(buffer);  in sldns_buffer_set_capacity()
79 	assert(buffer->_position <= capacity && !buffer->_fixed);  in sldns_buffer_set_capacity()
81 	data = (uint8_t *) realloc(buffer->_data, capacity);  in sldns_buffer_set_capacity()
83 		buffer->_status_err = 1;  in sldns_buffer_set_capacity()
86 		buffer->_data = data;  in sldns_buffer_set_capacity()
87 		buffer->_limit = buffer->_capacity = capacity;  in sldns_buffer_set_capacity()
93 sldns_buffer_reserve(sldns_buffer *buffer, size_t amount)  in sldns_buffer_reserve()  argument
95 	sldns_buffer_invariant(buffer);  in sldns_buffer_reserve()
96 	assert(!buffer->_fixed);  in sldns_buffer_reserve()
97 	if (buffer->_capacity < buffer->_position + amount) {  in sldns_buffer_reserve()
98 		size_t new_capacity = buffer->_capacity * 3 / 2;  in sldns_buffer_reserve()
100 		if (new_capacity < buffer->_position + amount) {  in sldns_buffer_reserve()
101 			new_capacity = buffer->_position + amount;  in sldns_buffer_reserve()
103 		if (!sldns_buffer_set_capacity(buffer, new_capacity)) {  in sldns_buffer_reserve()
104 			buffer->_status_err = 1;  in sldns_buffer_reserve()
108 	buffer->_limit = buffer->_capacity;  in sldns_buffer_reserve()
113 sldns_buffer_printf(sldns_buffer *buffer, const char *format, ...)  in sldns_buffer_printf()  argument
119 	if (sldns_buffer_status_ok(buffer)) {  in sldns_buffer_printf()
120 		sldns_buffer_invariant(buffer);  in sldns_buffer_printf()
121 		assert(buffer->_limit == buffer->_capacity);  in sldns_buffer_printf()
123 		remaining = sldns_buffer_remaining(buffer);  in sldns_buffer_printf()
125 		written = vsnprintf((char *) sldns_buffer_current(buffer), remaining,  in sldns_buffer_printf()
129 			buffer->_status_err = 1;  in sldns_buffer_printf()
132 		buffer->_position += written;  in sldns_buffer_printf()
138 sldns_buffer_free(sldns_buffer *buffer)  in sldns_buffer_free()  argument
140 	if (!buffer) {  in sldns_buffer_free()
144 	if (!buffer->_fixed)  in sldns_buffer_free()
145 		free(buffer->_data);  in sldns_buffer_free()
147 	free(buffer);  in sldns_buffer_free()