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haproxy/include/import/slz-tables.h

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BUILD: tree-wide: fix a few missing includes in a few files Some include files, mostly types definitions, are missing a few includes to define the types they're using, causing include ordering dependencies between files, which are most often not seen due to the alphabetical order of includes. Let's just fix them. These were spotted by building pre-compiled headers for all these files to .h.gch.
2024-02-14 07:41:11 +00:00
#include <inttypes.h>
IMPORT: slz: import slz into the tree SLZ is rarely packaged by distros and there have been complaints about the CPU and memory usage of ZLIB, leading to some suggestions to better address the issue by simply integrating SLZ into the tree (just 3 files). See discussions below: https://www.mail-archive.com/haproxy@formilux.org/msg38037.html https://www.mail-archive.com/haproxy@formilux.org/msg40079.html https://www.mail-archive.com/haproxy@formilux.org/msg40365.html This patch does just this, after minor adjustments to these files: - tables.h was renamed to slz-tables.h - tables.h had the precomputed tables removed since not used here - slz.c uses includes <import/slz*> instead of "slz*.h" The slz commit imported here was b06c172 ("slz: avoid a build warning with -Wimplicit-fallthrough"). No other change was performed either to SLZ nor to haproxy at this point so that this operation may be replicated if needed for a future version.
2021-04-22 12:09:44 +00:00
/* Fixed Huffman table as per RFC1951.
*
* Lit Value Bits Codes
* --------- ---- -----
* 0 - 143 8 00110000 through 10111111
* 144 - 255 9 110010000 through 111111111
* 256 - 279 7 0000000 through 0010111
* 280 - 287 8 11000000 through 11000111
*
* The codes are encoded in reverse, the high bit of the code appears encoded
* as bit 0. The table is built by mkhuff.sh. The 16 bits are encoded this way :
* - bits 0..3 : bits
* - bits 4..12 : code
*/
static const uint16_t fixed_huff[288] = {
0x00c8, 0x08c8, 0x04c8, 0x0cc8, 0x02c8, 0x0ac8, 0x06c8, 0x0ec8, // 0
0x01c8, 0x09c8, 0x05c8, 0x0dc8, 0x03c8, 0x0bc8, 0x07c8, 0x0fc8, // 8
0x0028, 0x0828, 0x0428, 0x0c28, 0x0228, 0x0a28, 0x0628, 0x0e28, // 16
0x0128, 0x0928, 0x0528, 0x0d28, 0x0328, 0x0b28, 0x0728, 0x0f28, // 24
0x00a8, 0x08a8, 0x04a8, 0x0ca8, 0x02a8, 0x0aa8, 0x06a8, 0x0ea8, // 32
0x01a8, 0x09a8, 0x05a8, 0x0da8, 0x03a8, 0x0ba8, 0x07a8, 0x0fa8, // 40
0x0068, 0x0868, 0x0468, 0x0c68, 0x0268, 0x0a68, 0x0668, 0x0e68, // 48
0x0168, 0x0968, 0x0568, 0x0d68, 0x0368, 0x0b68, 0x0768, 0x0f68, // 56
0x00e8, 0x08e8, 0x04e8, 0x0ce8, 0x02e8, 0x0ae8, 0x06e8, 0x0ee8, // 64
0x01e8, 0x09e8, 0x05e8, 0x0de8, 0x03e8, 0x0be8, 0x07e8, 0x0fe8, // 72
0x0018, 0x0818, 0x0418, 0x0c18, 0x0218, 0x0a18, 0x0618, 0x0e18, // 80
0x0118, 0x0918, 0x0518, 0x0d18, 0x0318, 0x0b18, 0x0718, 0x0f18, // 88
0x0098, 0x0898, 0x0498, 0x0c98, 0x0298, 0x0a98, 0x0698, 0x0e98, // 96
0x0198, 0x0998, 0x0598, 0x0d98, 0x0398, 0x0b98, 0x0798, 0x0f98, // 104
0x0058, 0x0858, 0x0458, 0x0c58, 0x0258, 0x0a58, 0x0658, 0x0e58, // 112
0x0158, 0x0958, 0x0558, 0x0d58, 0x0358, 0x0b58, 0x0758, 0x0f58, // 120
0x00d8, 0x08d8, 0x04d8, 0x0cd8, 0x02d8, 0x0ad8, 0x06d8, 0x0ed8, // 128
0x01d8, 0x09d8, 0x05d8, 0x0dd8, 0x03d8, 0x0bd8, 0x07d8, 0x0fd8, // 136
0x0139, 0x1139, 0x0939, 0x1939, 0x0539, 0x1539, 0x0d39, 0x1d39, // 144
0x0339, 0x1339, 0x0b39, 0x1b39, 0x0739, 0x1739, 0x0f39, 0x1f39, // 152
0x00b9, 0x10b9, 0x08b9, 0x18b9, 0x04b9, 0x14b9, 0x0cb9, 0x1cb9, // 160
0x02b9, 0x12b9, 0x0ab9, 0x1ab9, 0x06b9, 0x16b9, 0x0eb9, 0x1eb9, // 168
0x01b9, 0x11b9, 0x09b9, 0x19b9, 0x05b9, 0x15b9, 0x0db9, 0x1db9, // 176
0x03b9, 0x13b9, 0x0bb9, 0x1bb9, 0x07b9, 0x17b9, 0x0fb9, 0x1fb9, // 184
0x0079, 0x1079, 0x0879, 0x1879, 0x0479, 0x1479, 0x0c79, 0x1c79, // 192
0x0279, 0x1279, 0x0a79, 0x1a79, 0x0679, 0x1679, 0x0e79, 0x1e79, // 200
0x0179, 0x1179, 0x0979, 0x1979, 0x0579, 0x1579, 0x0d79, 0x1d79, // 208
0x0379, 0x1379, 0x0b79, 0x1b79, 0x0779, 0x1779, 0x0f79, 0x1f79, // 216
0x00f9, 0x10f9, 0x08f9, 0x18f9, 0x04f9, 0x14f9, 0x0cf9, 0x1cf9, // 224
0x02f9, 0x12f9, 0x0af9, 0x1af9, 0x06f9, 0x16f9, 0x0ef9, 0x1ef9, // 232
0x01f9, 0x11f9, 0x09f9, 0x19f9, 0x05f9, 0x15f9, 0x0df9, 0x1df9, // 240
0x03f9, 0x13f9, 0x0bf9, 0x1bf9, 0x07f9, 0x17f9, 0x0ff9, 0x1ff9, // 248
0x0007, 0x0407, 0x0207, 0x0607, 0x0107, 0x0507, 0x0307, 0x0707, // 256
0x0087, 0x0487, 0x0287, 0x0687, 0x0187, 0x0587, 0x0387, 0x0787, // 264
0x0047, 0x0447, 0x0247, 0x0647, 0x0147, 0x0547, 0x0347, 0x0747, // 272
0x0038, 0x0838, 0x0438, 0x0c38, 0x0238, 0x0a38, 0x0638, 0x0e38 // 280
};
/* length from 3 to 258 converted to bit strings for use with fixed huffman
* coding. It was built by tools/dump_len.c. The format is the following :
* - bits 0..15 = code
* - bits 16..19 = #bits
*/
static const uint32_t len_fh[259] = {
0x000000, 0x000000, 0x000000, 0x070040, /* 0-3 */
0x070020, 0x070060, 0x070010, 0x070050, /* 4-7 */
0x070030, 0x070070, 0x070008, 0x080048, /* 8-11 */
0x0800c8, 0x080028, 0x0800a8, 0x080068, /* 12-15 */
0x0800e8, 0x080018, 0x080098, 0x090058, /* 16-19 */
0x0900d8, 0x090158, 0x0901d8, 0x090038, /* 20-23 */
0x0900b8, 0x090138, 0x0901b8, 0x090078, /* 24-27 */
0x0900f8, 0x090178, 0x0901f8, 0x090004, /* 28-31 */
0x090084, 0x090104, 0x090184, 0x0a0044, /* 32-35 */
0x0a00c4, 0x0a0144, 0x0a01c4, 0x0a0244, /* 36-39 */
0x0a02c4, 0x0a0344, 0x0a03c4, 0x0a0024, /* 40-43 */
0x0a00a4, 0x0a0124, 0x0a01a4, 0x0a0224, /* 44-47 */
0x0a02a4, 0x0a0324, 0x0a03a4, 0x0a0064, /* 48-51 */
0x0a00e4, 0x0a0164, 0x0a01e4, 0x0a0264, /* 52-55 */
0x0a02e4, 0x0a0364, 0x0a03e4, 0x0a0014, /* 56-59 */
0x0a0094, 0x0a0114, 0x0a0194, 0x0a0214, /* 60-63 */
0x0a0294, 0x0a0314, 0x0a0394, 0x0b0054, /* 64-67 */
0x0b00d4, 0x0b0154, 0x0b01d4, 0x0b0254, /* 68-71 */
0x0b02d4, 0x0b0354, 0x0b03d4, 0x0b0454, /* 72-75 */
0x0b04d4, 0x0b0554, 0x0b05d4, 0x0b0654, /* 76-79 */
0x0b06d4, 0x0b0754, 0x0b07d4, 0x0b0034, /* 80-83 */
0x0b00b4, 0x0b0134, 0x0b01b4, 0x0b0234, /* 84-87 */
0x0b02b4, 0x0b0334, 0x0b03b4, 0x0b0434, /* 88-91 */
0x0b04b4, 0x0b0534, 0x0b05b4, 0x0b0634, /* 92-95 */
0x0b06b4, 0x0b0734, 0x0b07b4, 0x0b0074, /* 96-99 */
0x0b00f4, 0x0b0174, 0x0b01f4, 0x0b0274, /* 100-103 */
0x0b02f4, 0x0b0374, 0x0b03f4, 0x0b0474, /* 104-107 */
0x0b04f4, 0x0b0574, 0x0b05f4, 0x0b0674, /* 108-111 */
0x0b06f4, 0x0b0774, 0x0b07f4, 0x0c0003, /* 112-115 */
0x0c0103, 0x0c0203, 0x0c0303, 0x0c0403, /* 116-119 */
0x0c0503, 0x0c0603, 0x0c0703, 0x0c0803, /* 120-123 */
0x0c0903, 0x0c0a03, 0x0c0b03, 0x0c0c03, /* 124-127 */
0x0c0d03, 0x0c0e03, 0x0c0f03, 0x0d0083, /* 128-131 */
0x0d0183, 0x0d0283, 0x0d0383, 0x0d0483, /* 132-135 */
0x0d0583, 0x0d0683, 0x0d0783, 0x0d0883, /* 136-139 */
0x0d0983, 0x0d0a83, 0x0d0b83, 0x0d0c83, /* 140-143 */
0x0d0d83, 0x0d0e83, 0x0d0f83, 0x0d1083, /* 144-147 */
0x0d1183, 0x0d1283, 0x0d1383, 0x0d1483, /* 148-151 */
0x0d1583, 0x0d1683, 0x0d1783, 0x0d1883, /* 152-155 */
0x0d1983, 0x0d1a83, 0x0d1b83, 0x0d1c83, /* 156-159 */
0x0d1d83, 0x0d1e83, 0x0d1f83, 0x0d0043, /* 160-163 */
0x0d0143, 0x0d0243, 0x0d0343, 0x0d0443, /* 164-167 */
0x0d0543, 0x0d0643, 0x0d0743, 0x0d0843, /* 168-171 */
0x0d0943, 0x0d0a43, 0x0d0b43, 0x0d0c43, /* 172-175 */
0x0d0d43, 0x0d0e43, 0x0d0f43, 0x0d1043, /* 176-179 */
0x0d1143, 0x0d1243, 0x0d1343, 0x0d1443, /* 180-183 */
0x0d1543, 0x0d1643, 0x0d1743, 0x0d1843, /* 184-187 */
0x0d1943, 0x0d1a43, 0x0d1b43, 0x0d1c43, /* 188-191 */
0x0d1d43, 0x0d1e43, 0x0d1f43, 0x0d00c3, /* 192-195 */
0x0d01c3, 0x0d02c3, 0x0d03c3, 0x0d04c3, /* 196-199 */
0x0d05c3, 0x0d06c3, 0x0d07c3, 0x0d08c3, /* 200-203 */
0x0d09c3, 0x0d0ac3, 0x0d0bc3, 0x0d0cc3, /* 204-207 */
0x0d0dc3, 0x0d0ec3, 0x0d0fc3, 0x0d10c3, /* 208-211 */
0x0d11c3, 0x0d12c3, 0x0d13c3, 0x0d14c3, /* 212-215 */
0x0d15c3, 0x0d16c3, 0x0d17c3, 0x0d18c3, /* 216-219 */
0x0d19c3, 0x0d1ac3, 0x0d1bc3, 0x0d1cc3, /* 220-223 */
0x0d1dc3, 0x0d1ec3, 0x0d1fc3, 0x0d0023, /* 224-227 */
0x0d0123, 0x0d0223, 0x0d0323, 0x0d0423, /* 228-231 */
0x0d0523, 0x0d0623, 0x0d0723, 0x0d0823, /* 232-235 */
0x0d0923, 0x0d0a23, 0x0d0b23, 0x0d0c23, /* 236-239 */
0x0d0d23, 0x0d0e23, 0x0d0f23, 0x0d1023, /* 240-243 */
0x0d1123, 0x0d1223, 0x0d1323, 0x0d1423, /* 244-247 */
0x0d1523, 0x0d1623, 0x0d1723, 0x0d1823, /* 248-251 */
0x0d1923, 0x0d1a23, 0x0d1b23, 0x0d1c23, /* 252-255 */
0x0d1d23, 0x0d1e23, 0x0800a3 /* 256-258 */
};
IMPORT: slz: define and use a __fallthrough statement for switch/case When the code is preprocessed first and compiled later, such as when built under distcc, the "fall through" comments are dropped and warnings are emitted. Let's use the alternative "fallthrough" attribute instead, that is supported by versions of gcc and clang that also produce this warning. This is libslz upstream commit 0fdf8ae218f3ecb0b7f22afd1a6b35a4f94053e2
2022-11-13 12:06:02 +00:00
/* This horrible mess is needed to shut up the fallthrough warning since the
* stupid comment approach doesn't resist to separate preprocessing (e.g. as
* used in distcc). Note that compilers which support the fallthrough attribute
* also support __has_attribute.
*/
#ifndef __fallthrough
# ifdef __has_attribute
# if __has_attribute(fallthrough)
# define __fallthrough __attribute__((fallthrough))
# else
# define __fallthrough do { } while (0)
# endif
# else
# define __fallthrough do { } while (0)
# endif
#endif
IMPORT: slz: do not produce the crc32_fast table when CRC is natively supported On ARM with native CRC support, no need to inflate the executable with a 4kB CRC table, let's just drop it. This is slz upstream commit d8715db20b2968d1f3012a734021c0978758f911.
2021-05-12 06:36:09 +00:00
#if !defined(__ARM_FEATURE_CRC32)
IMPORT: slz: import slz into the tree SLZ is rarely packaged by distros and there have been complaints about the CPU and memory usage of ZLIB, leading to some suggestions to better address the issue by simply integrating SLZ into the tree (just 3 files). See discussions below: https://www.mail-archive.com/haproxy@formilux.org/msg38037.html https://www.mail-archive.com/haproxy@formilux.org/msg40079.html https://www.mail-archive.com/haproxy@formilux.org/msg40365.html This patch does just this, after minor adjustments to these files: - tables.h was renamed to slz-tables.h - tables.h had the precomputed tables removed since not used here - slz.c uses includes <import/slz*> instead of "slz*.h" The slz commit imported here was b06c172 ("slz: avoid a build warning with -Wimplicit-fallthrough"). No other change was performed either to SLZ nor to haproxy at this point so that this operation may be replicated if needed for a future version.
2021-04-22 12:09:44 +00:00
static uint32_t crc32_fast[4][256];
IMPORT: slz: do not produce the crc32_fast table when CRC is natively supported On ARM with native CRC support, no need to inflate the executable with a 4kB CRC table, let's just drop it. This is slz upstream commit d8715db20b2968d1f3012a734021c0978758f911.
2021-05-12 06:36:09 +00:00
#endif
IMPORT: slz: import slz into the tree SLZ is rarely packaged by distros and there have been complaints about the CPU and memory usage of ZLIB, leading to some suggestions to better address the issue by simply integrating SLZ into the tree (just 3 files). See discussions below: https://www.mail-archive.com/haproxy@formilux.org/msg38037.html https://www.mail-archive.com/haproxy@formilux.org/msg40079.html https://www.mail-archive.com/haproxy@formilux.org/msg40365.html This patch does just this, after minor adjustments to these files: - tables.h was renamed to slz-tables.h - tables.h had the precomputed tables removed since not used here - slz.c uses includes <import/slz*> instead of "slz*.h" The slz commit imported here was b06c172 ("slz: avoid a build warning with -Wimplicit-fallthrough"). No other change was performed either to SLZ nor to haproxy at this point so that this operation may be replicated if needed for a future version.
2021-04-22 12:09:44 +00:00
static uint32_t fh_dist_table[32768];
IMPORT: slz: do not produce the crc32_fast table when CRC is natively supported On ARM with native CRC support, no need to inflate the executable with a 4kB CRC table, let's just drop it. This is slz upstream commit d8715db20b2968d1f3012a734021c0978758f911.
2021-05-12 06:36:09 +00:00
#if !defined(__ARM_FEATURE_CRC32)
IMPORT: slz: import slz into the tree SLZ is rarely packaged by distros and there have been complaints about the CPU and memory usage of ZLIB, leading to some suggestions to better address the issue by simply integrating SLZ into the tree (just 3 files). See discussions below: https://www.mail-archive.com/haproxy@formilux.org/msg38037.html https://www.mail-archive.com/haproxy@formilux.org/msg40079.html https://www.mail-archive.com/haproxy@formilux.org/msg40365.html This patch does just this, after minor adjustments to these files: - tables.h was renamed to slz-tables.h - tables.h had the precomputed tables removed since not used here - slz.c uses includes <import/slz*> instead of "slz*.h" The slz commit imported here was b06c172 ("slz: avoid a build warning with -Wimplicit-fallthrough"). No other change was performed either to SLZ nor to haproxy at this point so that this operation may be replicated if needed for a future version.
2021-04-22 12:09:44 +00:00
/* Make the table for a fast CRC.
* Not thread-safe, must be called exactly once.
*/
static inline void __slz_make_crc_table(void)
{
uint32_t c;
int n, k;
for (n = 0; n < 256; n++) {
c = (uint32_t) n ^ 255;
for (k = 0; k < 8; k++) {
if (c & 1) {
c = 0xedb88320 ^ (c >> 1);
} else {
c = c >> 1;
}
}
crc32_fast[0][n] = c ^ 0xff000000;
}
/* Note: here we *do not* have to invert the bits corresponding to the
* byte position, because [0] already has the 8 highest bits inverted,
* and these bits are shifted by 8 at the end of the operation, which
* results in having the next 8 bits shifted in turn. That's why we
* have the xor in the index used just after a computation.
*/
for (n = 0; n < 256; n++) {
crc32_fast[1][n] = 0xff000000 ^ crc32_fast[0][(0xff000000 ^ crc32_fast[0][n] ^ 0xff) & 0xff] ^ (crc32_fast[0][n] >> 8);
crc32_fast[2][n] = 0xff000000 ^ crc32_fast[0][(0x00ff0000 ^ crc32_fast[1][n] ^ 0xff) & 0xff] ^ (crc32_fast[1][n] >> 8);
crc32_fast[3][n] = 0xff000000 ^ crc32_fast[0][(0x0000ff00 ^ crc32_fast[2][n] ^ 0xff) & 0xff] ^ (crc32_fast[2][n] >> 8);
}
}
IMPORT: slz: do not produce the crc32_fast table when CRC is natively supported On ARM with native CRC support, no need to inflate the executable with a 4kB CRC table, let's just drop it. This is slz upstream commit d8715db20b2968d1f3012a734021c0978758f911.
2021-05-12 06:36:09 +00:00
#endif
IMPORT: slz: import slz into the tree SLZ is rarely packaged by distros and there have been complaints about the CPU and memory usage of ZLIB, leading to some suggestions to better address the issue by simply integrating SLZ into the tree (just 3 files). See discussions below: https://www.mail-archive.com/haproxy@formilux.org/msg38037.html https://www.mail-archive.com/haproxy@formilux.org/msg40079.html https://www.mail-archive.com/haproxy@formilux.org/msg40365.html This patch does just this, after minor adjustments to these files: - tables.h was renamed to slz-tables.h - tables.h had the precomputed tables removed since not used here - slz.c uses includes <import/slz*> instead of "slz*.h" The slz commit imported here was b06c172 ("slz: avoid a build warning with -Wimplicit-fallthrough"). No other change was performed either to SLZ nor to haproxy at this point so that this operation may be replicated if needed for a future version.
2021-04-22 12:09:44 +00:00
/* Returns code for lengths 1 to 32768. The bit size for the next value can be
* found this way :
*
* bits = code >> 1;
* if (bits)
* bits--;
*
*/
static inline uint32_t dist_to_code(uint32_t l)
{
uint32_t code;
code = 0;
switch (l) {
IMPORT: slz: define and use a __fallthrough statement for switch/case When the code is preprocessed first and compiled later, such as when built under distcc, the "fall through" comments are dropped and warnings are emitted. Let's use the alternative "fallthrough" attribute instead, that is supported by versions of gcc and clang that also produce this warning. This is libslz upstream commit 0fdf8ae218f3ecb0b7f22afd1a6b35a4f94053e2
2022-11-13 12:06:02 +00:00
case 24577 ... 32768: code++; __fallthrough;
case 16385 ... 24576: code++; __fallthrough;
case 12289 ... 16384: code++; __fallthrough;
case 8193 ... 12288: code++; __fallthrough;
case 6145 ... 8192: code++; __fallthrough;
case 4097 ... 6144: code++; __fallthrough;
case 3073 ... 4096: code++; __fallthrough;
case 2049 ... 3072: code++; __fallthrough;
case 1537 ... 2048: code++; __fallthrough;
case 1025 ... 1536: code++; __fallthrough;
case 769 ... 1024: code++; __fallthrough;
case 513 ... 768: code++; __fallthrough;
case 385 ... 512: code++; __fallthrough;
case 257 ... 384: code++; __fallthrough;
case 193 ... 256: code++; __fallthrough;
case 129 ... 192: code++; __fallthrough;
case 97 ... 128: code++; __fallthrough;
case 65 ... 96: code++; __fallthrough;
case 49 ... 64: code++; __fallthrough;
case 33 ... 48: code++; __fallthrough;
case 25 ... 32: code++; __fallthrough;
case 17 ... 24: code++; __fallthrough;
case 13 ... 16: code++; __fallthrough;
case 9 ... 12: code++; __fallthrough;
case 7 ... 8: code++; __fallthrough;
case 5 ... 6: code++; __fallthrough;
case 4 : code++; __fallthrough;
case 3 : code++; __fallthrough;
case 2 : code++;
IMPORT: slz: import slz into the tree SLZ is rarely packaged by distros and there have been complaints about the CPU and memory usage of ZLIB, leading to some suggestions to better address the issue by simply integrating SLZ into the tree (just 3 files). See discussions below: https://www.mail-archive.com/haproxy@formilux.org/msg38037.html https://www.mail-archive.com/haproxy@formilux.org/msg40079.html https://www.mail-archive.com/haproxy@formilux.org/msg40365.html This patch does just this, after minor adjustments to these files: - tables.h was renamed to slz-tables.h - tables.h had the precomputed tables removed since not used here - slz.c uses includes <import/slz*> instead of "slz*.h" The slz commit imported here was b06c172 ("slz: avoid a build warning with -Wimplicit-fallthrough"). No other change was performed either to SLZ nor to haproxy at this point so that this operation may be replicated if needed for a future version.
2021-04-22 12:09:44 +00:00
}
return code;
}
/* not thread-safe, must be called exactly once */
static inline void __slz_prepare_dist_table()
{
uint32_t dist;
uint32_t code;
uint32_t bits;
for (dist = 0; dist < sizeof(fh_dist_table) / sizeof(*fh_dist_table); dist++) {
code = dist_to_code(dist + 1);
bits = code >> 1;
if (bits)
bits--;
/* Distance codes are stored on 5 bits reversed. The RFC
* doesn't state that they are reversed, but it's the only
* way it works.
*/
code = ((code & 0x01) << 4) | ((code & 0x02) << 2) |
(code & 0x04) |
((code & 0x08) >> 2) | ((code & 0x10) >> 4);
code += (dist & ((1 << bits) - 1)) << 5;
fh_dist_table[dist] = (code << 5) + bits + 5;
}
}
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