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-rw-r--r--debian/vendor-h2o/deps/golombset/golombset.h162
1 files changed, 0 insertions, 162 deletions
diff --git a/debian/vendor-h2o/deps/golombset/golombset.h b/debian/vendor-h2o/deps/golombset/golombset.h
deleted file mode 100644
index 207f0d6..0000000
--- a/debian/vendor-h2o/deps/golombset/golombset.h
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright (c) 2015 Kazuho Oku
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-#ifndef GOLOMBSET_H
-#define GOLOMBSET_H
-
-#include <inttypes.h>
-
-struct st_golombset_encode_t {
- unsigned char *dst;
- unsigned char *dst_max;
- unsigned dst_shift;
-};
-
-struct st_golombset_decode_t {
- const unsigned char *src;
- const unsigned char *src_max;
- unsigned src_shift;
-};
-
-static int golombset_encode_bit(struct st_golombset_encode_t *ctx, int bit)
-{
- if (ctx->dst_shift == 0) {
- if (++ctx->dst == ctx->dst_max)
- return -1;
- *ctx->dst = 0;
- ctx->dst_shift = 8;
- }
- --ctx->dst_shift;
- if (bit)
- *ctx->dst |= 1 << ctx->dst_shift;
- return 0;
-}
-
-static int golombset_encode_bits(struct st_golombset_encode_t *ctx, unsigned bits, uint64_t value)
-{
- if (bits != 0) {
- do {
- --bits;
- if (golombset_encode_bit(ctx, (value >> bits) & 1) != 0)
- return -1;
- } while (bits != 0);
- }
- return 0;
-}
-
-static int golombset_decode_bit(struct st_golombset_decode_t *ctx)
-{
- if (ctx->src_shift == 0) {
- if (++ctx->src == ctx->src_max)
- return -1;
- ctx->src_shift = 8;
- }
- return (*ctx->src >> --ctx->src_shift) & 1;
-}
-
-static int golombset_decode_bits(struct st_golombset_decode_t *ctx, unsigned bits, uint64_t *value)
-{
- int bit;
-
- *value = 0;
- for (; bits != 0; --bits) {
- if ((bit = golombset_decode_bit(ctx)) == -1)
- return -1;
- *value = (*value * 2) + bit;
- }
-
- return 0;
-}
-
-static int golombset_encode_value(struct st_golombset_encode_t *ctx, unsigned fixed_bits, uint64_t value)
-{
- /* emit quontient */
- uint64_t unary_bits = value >> fixed_bits;
- for (; unary_bits != 0; --unary_bits)
- if (golombset_encode_bit(ctx, 0) != 0)
- return -1;
- if (golombset_encode_bit(ctx, 1) != 0)
- return -1;
- /* emit remainder */
- return golombset_encode_bits(ctx, fixed_bits, value);
-}
-
-static int golombset_decode_value(struct st_golombset_decode_t *ctx, unsigned fixed_bits, uint64_t *value)
-{
- uint64_t q;
- int bit;
-
- /* decode quontient */
- for (q = 0; ; ++q) {
- if ((bit = golombset_decode_bit(ctx)) == -1)
- return -1;
- if (bit)
- break;
- }
- /* decode remainder */
- if (golombset_decode_bits(ctx, fixed_bits, value) == -1)
- return -1;
- /* merge q and r */
- *value += q << fixed_bits;
-
- return 0;
-}
-
-static int golombset_encode(unsigned fixed_bits, uint64_t *keys, size_t num_keys, void *buf, size_t *bufsize)
-{
- struct st_golombset_encode_t ctx = {(unsigned char *)buf - 1, (unsigned char *)buf + *bufsize};
- size_t i;
- uint64_t next_min = 0;
-
- for (i = 0; i != num_keys; ++i) {
- if (golombset_encode_value(&ctx, fixed_bits, keys[i] - next_min) != 0)
- return -1;
- next_min = keys[i] + 1;
- }
-
- *bufsize = ctx.dst + 1 - (unsigned char *)buf;
-
- return 0;
-}
-
-static int golombset_decode(unsigned fixed_bits, const void *buf, size_t bufsize, uint64_t *keys, size_t *num_keys)
-{
- struct st_golombset_decode_t ctx = {buf, (unsigned char *)buf + bufsize, 8};
- size_t index = 0;
- uint64_t next_min = 0;
-
- while (1) {
- uint64_t value;
- if (golombset_decode_value(&ctx, fixed_bits, &value) != 0)
- break;
- if (index == *num_keys) {
- /* not enough space */
- return -1;
- }
- value += next_min;
- keys[index++] = value;
- next_min = value + 1;
- }
- *num_keys = index;
- return 0;
-}
-
-#endif