archive/php-src
1
0
Fork 0
mirror of https://github.com/php/php-src.git synced 2025-08-20 09:24:05 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Upgraded bundled sqlite lib to 3.2.2

Browse source
This commit is contained in:
Ilia Alshanetsky 2005-06-30 20:58:36 +00:00
parent efc6ccaa01
commit 7d02c9dcb2
51 changed files with 5222 additions and 3790 deletions
Download patch file Download diff file Expand all files Collapse all files

8
ext/pdo_sqlite/sqlite/src/random.c
View file

@ -26,13 +26,16 @@
** must be held while executing this routine.
**
** Why not just use a library random generator like lrand48() for this?
** Because the OP_NewRecno opcode in the VDBE depends on having a very
** Because the OP_NewRowid opcode in the VDBE depends on having a very
** good source of random numbers. The lrand48() library function may
** well be good enough. But maybe not. Or maybe lrand48() has some
** subtle problems on some systems that could cause problems. It is hard
** to know. To minimize the risk of problems due to bad lrand48()
** implementations, SQLite uses this random number generator based
** on RC4, which we know works very well.
**
** (Later): Actually, OP_NewRowid does not depend on a good source of
** randomness any more. But we will leave this code in all the same.
*/
static int randomByte(){
unsigned char t;
@ -95,6 +98,3 @@ void sqlite3Randomness(int N, void *pBuf){
}
sqlite3OsLeaveMutex();
}