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Overview
Comment:Update the documentation on the sqlite3_randomness() interface to conform to enhancements associated with the SQLITE_ENABLE_API_ARMOR change.
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SHA1: 96e9917c350dfe2069b87860bbb961424ff1105a
User & Date: drh 2014-10-28 20:35:18
Context
2014-10-28
20:49
Add new test file e_totalchanges.test, containing tests of the sqlite3_total_changes() interface. check-in: f84af4ad user: dan tags: trunk
20:35
Update the documentation on the sqlite3_randomness() interface to conform to enhancements associated with the SQLITE_ENABLE_API_ARMOR change. check-in: 96e9917c user: drh tags: trunk
18:24
Modify the documentation for sqlite3_changes() to make it more testable. Add tests and minor fixes for the same. check-in: 41cdd0c4 user: dan tags: trunk
Changes
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Changes to src/sqlite.h.in.

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** SQLite contains a high-quality pseudo-random number generator (PRNG) used to
** select random [ROWID | ROWIDs] when inserting new records into a table that
** already uses the largest possible [ROWID].  The PRNG is also used for
** the build-in random() and randomblob() SQL functions.  This interface allows
** applications to access the same PRNG for other purposes.
**
** ^A call to this routine stores N bytes of randomness into buffer P.
** ^If N is less than one, then P can be a NULL pointer.
**
** ^If this routine has not been previously called or if the previous
** call had N less than one, then the PRNG is seeded using randomness

** obtained from the xRandomness method of the default [sqlite3_vfs] object.
** ^If the previous call to this routine had an N of 1 or more then
** the pseudo-randomness is generated
** internally and without recourse to the [sqlite3_vfs] xRandomness
** method.
*/
void sqlite3_randomness(int N, void *P);

/*
** CAPI3REF: Compile-Time Authorization Callbacks







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** SQLite contains a high-quality pseudo-random number generator (PRNG) used to
** select random [ROWID | ROWIDs] when inserting new records into a table that
** already uses the largest possible [ROWID].  The PRNG is also used for
** the build-in random() and randomblob() SQL functions.  This interface allows
** applications to access the same PRNG for other purposes.
**
** ^A call to this routine stores N bytes of randomness into buffer P.
** ^The P parameter can be a NULL pointer.
**
** ^If this routine has not been previously called or if the previous
** call had N less than one or a NULL pointer for P, then the PRNG is
** seeded using randomness obtained from the xRandomness method of
** the default [sqlite3_vfs] object.
** ^If the previous call to this routine had an N of 1 or more and a
** non-NULL P then the pseudo-randomness is generated
** internally and without recourse to the [sqlite3_vfs] xRandomness
** method.
*/
void sqlite3_randomness(int N, void *P);

/*
** CAPI3REF: Compile-Time Authorization Callbacks