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| author | Ende <ende.mail@web.de> | 2015-10-27 06:35:30 -0400 |
|---|---|---|
| committer | Ende <ende.mail@web.de> | 2015-10-27 06:35:30 -0400 |
| commit | d1cd34f6d9d3de867fb742b3303484271ef0044f (patch) | |
| tree | 2c1e9622d8d2a00b6a0f9cfd922d934e626c2d59 /docs | |
| parent | a05fa62501eecc8faa58d69edfcb37f508e38644 (diff) | |
| download | brotli-d1cd34f6d9d3de867fb742b3303484271ef0044f.zip brotli-d1cd34f6d9d3de867fb742b3303484271ef0044f.tar.gz brotli-d1cd34f6d9d3de867fb742b3303484271ef0044f.tar.bz2 | |
Moved not about invalid distances up to 0-15 section
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/draft-alakuijala-brotli-07.nroff | 6 | ||||
| -rw-r--r-- | docs/draft-alakuijala-brotli-07.txt | 8 |
2 files changed, 7 insertions, 7 deletions
diff --git a/docs/draft-alakuijala-brotli-07.nroff b/docs/draft-alakuijala-brotli-07.nroff index 264523b..898924f 100644 --- a/docs/draft-alakuijala-brotli-07.nroff +++ b/docs/draft-alakuijala-brotli-07.nroff @@ -842,6 +842,9 @@ distance that was not represented by a 0 distance symbol. Similarly, distances that represent static dictionary words (see Section 8.) are not pushed to the ring buffer of last distances. +If a special distance symbol resolves to a zero or negative value, the +stream should be rejected as invalid. + The next NDIRECT distance symbols, from 16 to 15 + NDIRECT, represent distances from 1 to NDIRECT. Neither the distance special symbols, nor the NDIRECT direct distance symbols are followed by any extra bits. @@ -865,9 +868,6 @@ Given a distance symbol "dcode" (>= 16 + NDIRECT), and extra bits distance = ((offset + dextra) << NPOSTFIX) + lcode + NDIRECT + 1 .fi -If a decoded distance has a zero or negative value, the stream should -be rejected as invalid. - .ti 0 5. Encoding of literal insertion lengths and copy lengths diff --git a/docs/draft-alakuijala-brotli-07.txt b/docs/draft-alakuijala-brotli-07.txt index f932f36..969952d 100644 --- a/docs/draft-alakuijala-brotli-07.txt +++ b/docs/draft-alakuijala-brotli-07.txt @@ -925,6 +925,9 @@ Internet-Draft Brotli October 2015 symbol. Similarly, distances that represent static dictionary words (see Section 8.) are not pushed to the ring buffer of last distances. + If a special distance symbol resolves to a zero or negative value, + the stream should be rejected as invalid. + The next NDIRECT distance symbols, from 16 to 15 + NDIRECT, represent distances from 1 to NDIRECT. Neither the distance special symbols, nor the NDIRECT direct distance symbols are followed by any extra @@ -945,9 +948,6 @@ Internet-Draft Brotli October 2015 hcode = (dcode - NDIRECT - 16) >> NPOSTFIX lcode = (dcode - NDIRECT - 16) & POSTFIX_MASK offset = ((2 + (hcode & 1)) << ndistbits) - 4; - distance = ((offset + dextra) << NPOSTFIX) + lcode + NDIRECT + 1 - - If a decoded distance has a zero or negative value, the stream should @@ -956,7 +956,7 @@ Alakuijala & Szabadka Expires April 6, 2016 [Page 17] Internet-Draft Brotli October 2015 - be rejected as invalid. + distance = ((offset + dextra) << NPOSTFIX) + lcode + NDIRECT + 1 5. Encoding of literal insertion lengths and copy lengths |