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Overview
| Comment: | Another attempt to fix warnings in the randomFunc() function. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 768df4e11670ac704d96e3b601d009aaa2fd793a |
| User & Date: | drh 2012-02-11 19:53:24 |
Context
|
2012-02-11
| ||
| 21:21 | Silence GCC compiler warnings about unused return value from fchown(). check-in: b0225473 user: drh tags: trunk | |
| 19:53 | Another attempt to fix warnings in the randomFunc() function. check-in: 768df4e1 user: drh tags: trunk | |
| 19:23 | When creating journal files (including -wal and -shm files) try to set the ownership to be the same as the original database. This will prevent root from locking out the original owner of the file. check-in: 1254dffe user: drh tags: trunk | |
Changes
Changes to src/func.c.
412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 |
** (or -9223372036854775808) since when you do abs() of that
** number of you get the same value back again. To do this
** in a way that is testable, mask the sign bit off of negative
** values, resulting in a positive value. Then take the
** 2s complement of that positive value. The end result can
** therefore be no less than -9223372036854775807.
*/
r = -(r ^ (((sqlite3_uint64)1)<<63));
}
sqlite3_result_int64(context, r);
}
/*
** Implementation of randomblob(N). Return a random blob
** that is N bytes long.
|
| |
412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 |
** (or -9223372036854775808) since when you do abs() of that
** number of you get the same value back again. To do this
** in a way that is testable, mask the sign bit off of negative
** values, resulting in a positive value. Then take the
** 2s complement of that positive value. The end result can
** therefore be no less than -9223372036854775807.
*/
r = -(r & LARGEST_INT64);
}
sqlite3_result_int64(context, r);
}
/*
** Implementation of randomblob(N). Return a random blob
** that is N bytes long.
|