Cross Reference: /src/external/bsd/nsd/dist/buffer.c

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