19 	buffer_type *buffer = (buffer_type *) arg;  in buffer_cleanup()  local
20 	assert(!buffer->_fixed);  in buffer_cleanup()
21 	free(buffer->_data);  in buffer_cleanup()
27 	buffer_type *buffer  in buffer_create()  local
29 	if (!buffer)  in buffer_create()
32 	buffer->_data = (uint8_t *) xalloc(capacity);  in buffer_create()
33 	buffer->_position = 0;  in buffer_create()
34 	buffer->_limit = buffer->_capacity = capacity;  in buffer_create()
35 	buffer->_fixed = 0;  in buffer_create()
36 	buffer_invariant(buffer);  in buffer_create()
38 	region_add_cleanup(region, buffer_cleanup, buffer);  in buffer_create()
40 	return buffer;  in buffer_create()
44 buffer_create_from(buffer_type *buffer, void *data, size_t size)  in buffer_create_from()  argument
48 	buffer->_position = 0;  in buffer_create_from()
49 	buffer->_limit = buffer->_capacity = size;  in buffer_create_from()
50 	buffer->_data = (uint8_t *) data;  in buffer_create_from()
51 	buffer->_fixed = 1;  in buffer_create_from()
53 	buffer_invariant(buffer);  in buffer_create_from()
57 buffer_clear(buffer_type *buffer)  in buffer_clear()  argument
59 	buffer_invariant(buffer);  in buffer_clear()
61 	buffer->_position = 0;  in buffer_clear()
62 	buffer->_limit = buffer->_capacity;  in buffer_clear()
66 buffer_flip(buffer_type *buffer)  in buffer_flip()  argument
68 	buffer_invariant(buffer);  in buffer_flip()
70 	buffer->_limit = buffer->_position;  in buffer_flip()
71 	buffer->_position = 0;  in buffer_flip()
75 buffer_rewind(buffer_type *buffer)  in buffer_rewind()  argument
77 	buffer_invariant(buffer);  in buffer_rewind()
79 	buffer->_position = 0;  in buffer_rewind()
83 buffer_set_capacity(buffer_type *buffer, size_t capacity)  in buffer_set_capacity()  argument
85 	buffer_invariant(buffer);  in buffer_set_capacity()
86 	assert(buffer->_position <= capacity);  in buffer_set_capacity()
87 	buffer->_data = (uint8_t *) xrealloc(buffer->_data, capacity);  in buffer_set_capacity()
88 	buffer->_limit = buffer->_capacity = capacity;  in buffer_set_capacity()
92 buffer_reserve(buffer_type *buffer, size_t amount)  in buffer_reserve()  argument
94 	buffer_invariant(buffer);  in buffer_reserve()
95 	assert(!buffer->_fixed);  in buffer_reserve()
96 	if (buffer->_capacity < buffer->_position + amount) {  in buffer_reserve()
97 		size_t new_capacity = buffer->_capacity * 3 / 2;  in buffer_reserve()
98 		if (new_capacity < buffer->_position + amount) {  in buffer_reserve()
99 			new_capacity = buffer->_position + amount;  in buffer_reserve()
101 		buffer_set_capacity(buffer, new_capacity);  in buffer_reserve()
103 	buffer->_limit = buffer->_capacity;  in buffer_reserve()
107 buffer_printf(buffer_type *buffer, const char *format, ...)  in buffer_printf()  argument
113 	buffer_invariant(buffer);  in buffer_printf()
114 	assert(buffer->_limit == buffer->_capacity);  in buffer_printf()
116 	remaining = buffer_remaining(buffer);  in buffer_printf()
118 	written = vsnprintf((char *) buffer_current(buffer), remaining,  in buffer_printf()
122 		buffer_reserve(buffer, written + 1);  in buffer_printf()
124 		written = vsnprintf((char *) buffer_current(buffer),  in buffer_printf()
125 				    buffer_remaining(buffer),  in buffer_printf()
129 	buffer->_position += written;  in buffer_printf()