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Overview
| Comment: | Fix typo in comments. No code changes. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
7df97b5937933ee3f9af946346b2c169 |
| User & Date: | drh 2015-08-15 18:03:50 |
Context
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2016-07-28
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| 13:44 | Fix typo in the LSM documentation. check-in: c2d3bd7694 user: drh tags: trunk | |
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2015-08-15
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| 18:03 | Fix typo in comments. No code changes. check-in: 7df97b5937 user: drh tags: trunk | |
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2014-09-19
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| 18:48 | Fix an assert() in lsm_shared.c. check-in: 90c09b0451 user: dan tags: trunk | |
Changes
Changes to src/varint.c.
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** If A0 is between 0 and 240 inclusive, then the result is the value of A0. ** ** If A0 is between 241 and 248 inclusive, then the result is ** 240+256*(A0-241)+A1. ** ** If A0 is 249 then the result is 2288+256*A1+A2. ** ** If A0 is 250 then the result is A1..A3 as a 3-byte big-ending integer. ** ** If A0 is 251 then the result is A1..A4 as a 4-byte big-ending integer. ** ** If A0 is 252 then the result is A1..A5 as a 5-byte big-ending integer. ** ** If A0 is 253 then the result is A1..A6 as a 6-byte big-ending integer. ** ** If A0 is 254 then the result is A1..A7 as a 7-byte big-ending integer. ** ** If A0 is 255 then the result is A1..A8 as a 8-byte big-ending integer. ** ** ENCODE ** ** Let the input value be V. ** ** If V<=240 then output a single by A0 equal to V. ** ................................................................................ ** ** If V<=67823 then output A0 as 249, A1 as (V-2288)/256, and A2 ** as (V-2288)%256. ** ** If V<=16777215 then output A0 as 250 and A1 through A3 as a big-endian ** 3-byte integer. ** ** If V<=4294967295 then output A0 as 251 and A1..A4 as a big-ending ** 4-byte integer. ** ** If V<=1099511627775 then output A0 as 252 and A1..A5 as a big-ending ** 5-byte integer. ** ** If V<=281474976710655 then output A0 as 253 and A1..A6 as a big-ending ** 6-byte integer. ** ** If V<=72057594037927935 then output A0 as 254 and A1..A7 as a ** big-ending 7-byte integer. ** ** Otherwise then output A0 as 255 and A1..A8 as a big-ending 8-byte integer. ** ** SUMMARY ** ** Bytes Max Value Digits ** ------- --------- --------- ** 1 240 2.3 ** 2 2287 3.3 |
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** If A0 is between 0 and 240 inclusive, then the result is the value of A0. ** ** If A0 is between 241 and 248 inclusive, then the result is ** 240+256*(A0-241)+A1. ** ** If A0 is 249 then the result is 2288+256*A1+A2. ** ** If A0 is 250 then the result is A1..A3 as a 3-byte big-endian integer. ** ** If A0 is 251 then the result is A1..A4 as a 4-byte big-endian integer. ** ** If A0 is 252 then the result is A1..A5 as a 5-byte big-endian integer. ** ** If A0 is 253 then the result is A1..A6 as a 6-byte big-endian integer. ** ** If A0 is 254 then the result is A1..A7 as a 7-byte big-endian integer. ** ** If A0 is 255 then the result is A1..A8 as a 8-byte big-endian integer. ** ** ENCODE ** ** Let the input value be V. ** ** If V<=240 then output a single by A0 equal to V. ** ................................................................................ ** ** If V<=67823 then output A0 as 249, A1 as (V-2288)/256, and A2 ** as (V-2288)%256. ** ** If V<=16777215 then output A0 as 250 and A1 through A3 as a big-endian ** 3-byte integer. ** ** If V<=4294967295 then output A0 as 251 and A1..A4 as a big-endian ** 4-byte integer. ** ** If V<=1099511627775 then output A0 as 252 and A1..A5 as a big-endian ** 5-byte integer. ** ** If V<=281474976710655 then output A0 as 253 and A1..A6 as a big-endian ** 6-byte integer. ** ** If V<=72057594037927935 then output A0 as 254 and A1..A7 as a ** big-endian 7-byte integer. ** ** Otherwise then output A0 as 255 and A1..A8 as a big-endian 8-byte integer. ** ** SUMMARY ** ** Bytes Max Value Digits ** ------- --------- --------- ** 1 240 2.3 ** 2 2287 3.3 |