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opt / alt / tests / alt-php84-brotli_0.5.0-3.el8 / brotli / c / enc /

ðŸ“ ..
ðŸ“ .libs
ðŸ“„ backward_references.c(3.92 KB)
ðŸ“„ backward_references.dep(2.92 KB)
ðŸ“„ backward_references.h(1.25 KB)
ðŸ“„ backward_references.lo(303 B)
ðŸ“„ backward_references_hq.c(29.94 KB)
ðŸ“„ backward_references_hq.dep(3.05 KB)
ðŸ“„ backward_references_hq.h(3.83 KB)
ðŸ“„ backward_references_hq.lo(309 B)
ðŸ“„ backward_references_inc.h(6.36 KB)
ðŸ“„ bit_cost.c(812 B)
ðŸ“„ bit_cost.dep(2.21 KB)
ðŸ“„ bit_cost.h(1.67 KB)
ðŸ“„ bit_cost.lo(281 B)
ðŸ“„ bit_cost_inc.h(4.01 KB)
ðŸ“„ block_encoder_inc.h(1.08 KB)
ðŸ“„ block_splitter.c(6.01 KB)
ðŸ“„ block_splitter.dep(2.31 KB)
ðŸ“„ block_splitter.h(1.63 KB)
ðŸ“„ block_splitter.lo(293 B)
ðŸ“„ block_splitter_inc.h(15.86 KB)
ðŸ“„ brotli_bit_stream.c(48.7 KB)
ðŸ“„ brotli_bit_stream.dep(3.11 KB)
ðŸ“„ brotli_bit_stream.h(4.59 KB)
ðŸ“„ brotli_bit_stream.lo(299 B)
ðŸ“„ cluster.c(1.45 KB)
ðŸ“„ cluster.dep(2.41 KB)
ðŸ“„ cluster.h(1021 B)
ðŸ“„ cluster.lo(279 B)
ðŸ“„ cluster_inc.h(11.14 KB)
ðŸ“„ command.h(6.48 KB)
ðŸ“„ compress_fragment.c(31.53 KB)
ðŸ“„ compress_fragment.dep(2.89 KB)
ðŸ“„ compress_fragment.h(2.75 KB)
ðŸ“„ compress_fragment.lo(299 B)
ðŸ“„ compress_fragment_two_pass.c(23.24 KB)
ðŸ“„ compress_fragment_two_pass.dep(3.07 KB)
ðŸ“„ compress_fragment_two_pass.h(2.34 KB)
ðŸ“„ compress_fragment_two_pass.lo(317 B)
ðŸ“„ context.h(7.27 KB)
ðŸ“„ dictionary_hash.c(86.83 KB)
ðŸ“„ dictionary_hash.dep(344 B)
ðŸ“„ dictionary_hash.h(583 B)
ðŸ“„ dictionary_hash.lo(295 B)
ðŸ“„ encode.c(65.51 KB)
ðŸ“„ encode.dep(4.74 KB)
ðŸ“„ encode.lo(277 B)
ðŸ“„ entropy_encode.c(14.14 KB)
ðŸ“„ entropy_encode.dep(560 B)
ðŸ“„ entropy_encode.h(3.94 KB)
ðŸ“„ entropy_encode.lo(293 B)
ðŸ“„ entropy_encode_static.h(32.12 KB)
ðŸ“„ fast_log.h(6.96 KB)
ðŸ“„ find_match_length.h(2.47 KB)
ðŸ“„ hash.h(13.56 KB)
ðŸ“„ hash_forgetful_chain_inc.h(9.41 KB)
ðŸ“„ hash_longest_match64_inc.h(10.19 KB)
ðŸ“„ hash_longest_match_inc.h(9.75 KB)
ðŸ“„ hash_longest_match_quickly_inc.h(8.5 KB)
ðŸ“„ hash_to_binary_tree_inc.h(12.58 KB)
ðŸ“„ histogram.c(3.05 KB)
ðŸ“„ histogram.dep(1.82 KB)
ðŸ“„ histogram.h(1.68 KB)
ðŸ“„ histogram.lo(283 B)
ðŸ“„ histogram_inc.h(1.37 KB)
ðŸ“„ literal_cost.c(5.47 KB)
ðŸ“„ literal_cost.dep(618 B)
ðŸ“„ literal_cost.h(880 B)
ðŸ“„ literal_cost.lo(289 B)
ðŸ“„ memory.c(4.96 KB)
ðŸ“„ memory.dep(455 B)
ðŸ“„ memory.h(1.66 KB)
ðŸ“„ memory.lo(277 B)
ðŸ“„ metablock.c(20.3 KB)
ðŸ“„ metablock.dep(2.92 KB)
ðŸ“„ metablock.h(3.67 KB)
ðŸ“„ metablock.lo(283 B)
ðŸ“„ metablock_inc.h(7.34 KB)
ðŸ“„ port.h(5.5 KB)
ðŸ“„ prefix.h(1.93 KB)
ðŸ“„ quality.h(5.62 KB)
ðŸ“„ ringbuffer.h(5.57 KB)
ðŸ“„ static_dict.c(18.14 KB)
ðŸ“„ static_dict.dep(796 B)
ðŸ“„ static_dict.h(1.2 KB)
ðŸ“„ static_dict.lo(287 B)
ðŸ“„ static_dict_lut.h(458.65 KB)
ðŸ“„ utf8_util.c(2.21 KB)
ðŸ“„ utf8_util.dep(396 B)
ðŸ“„ utf8_util.h(892 B)
ðŸ“„ utf8_util.lo(283 B)
ðŸ“„ write_bits.h(2.72 KB)

Editing: utf8_util.c

Distributed under MIT license.
   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/

/* Heuristics for deciding about the UTF8-ness of strings. */

#include "./utf8_util.h"

#include <brotli/types.h>

#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif

static size_t BrotliParseAsUTF8(
    int* symbol, const uint8_t* input, size_t size) {
  /* ASCII */
  if ((input[0] & 0x80) == 0) {
    *symbol = input[0];
    if (*symbol > 0) {
      return 1;
    }
  }
  /* 2-byte UTF8 */
  if (size > 1u &&
      (input[0] & 0xe0) == 0xc0 &&
      (input[1] & 0xc0) == 0x80) {
    *symbol = (((input[0] & 0x1f) << 6) |
               (input[1] & 0x3f));
    if (*symbol > 0x7f) {
      return 2;
    }
  }
  /* 3-byte UFT8 */
  if (size > 2u &&
      (input[0] & 0xf0) == 0xe0 &&
      (input[1] & 0xc0) == 0x80 &&
      (input[2] & 0xc0) == 0x80) {
    *symbol = (((input[0] & 0x0f) << 12) |
               ((input[1] & 0x3f) << 6) |
               (input[2] & 0x3f));
    if (*symbol > 0x7ff) {
      return 3;
    }
  }
  /* 4-byte UFT8 */
  if (size > 3u &&
      (input[0] & 0xf8) == 0xf0 &&
      (input[1] & 0xc0) == 0x80 &&
      (input[2] & 0xc0) == 0x80 &&
      (input[3] & 0xc0) == 0x80) {
    *symbol = (((input[0] & 0x07) << 18) |
               ((input[1] & 0x3f) << 12) |
               ((input[2] & 0x3f) << 6) |
               (input[3] & 0x3f));
    if (*symbol > 0xffff && *symbol <= 0x10ffff) {
      return 4;
    }
  }
  /* Not UTF8, emit a special symbol above the UTF8-code space */
  *symbol = 0x110000 | input[0];
  return 1;
}

/* Returns 1 if at least min_fraction of the data is UTF8-encoded.*/
BROTLI_BOOL BrotliIsMostlyUTF8(
    const uint8_t* data, const size_t pos, const size_t mask,
    const size_t length, const double min_fraction) {
  size_t size_utf8 = 0;
  size_t i = 0;
  while (i < length) {
    int symbol;
    size_t bytes_read =
        BrotliParseAsUTF8(&symbol, &data[(pos + i) & mask], length - i);
    i += bytes_read;
    if (symbol < 0x110000) size_utf8 += bytes_read;
  }
  return TO_BROTLI_BOOL(size_utf8 > min_fraction * (double)length);
}

#if defined(__cplusplus) || defined(c_plusplus)
}  /* extern "C" */
#endif

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Editing: utf8_util.c

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