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Remove the call to srand() and add better comments to the sqliteOsRandomSeed()

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routine.  Ticket #163. (CVS 759)

FossilOrigin-Name: d87a886d8f63f54466848151e2b0e8565b338593
This commit is contained in:
drh 2002-10-12 13:43:59 +00:00
parent c8f8b632c3
commit f1f0fa0769
3 changed files with 10 additions and 15 deletions
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12
manifest
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@ -1,5 +1,5 @@
C Fix\sa\sbug\sin\sthe\sleft\souter\sjoin\slogic.\s(CVS\s758)
D 2002-09-30T12:36:26
C Remove\sthe\scall\sto\ssrand()\sand\sadd\sbetter\scomments\sto\sthe\ssqliteOsRandomSeed()\nroutine.\s\sTicket\s#163.\s(CVS\s759)
D 2002-10-12T13:44:00
F Makefile.in d6c9a85c2a5e696843201d090dcf8bf2f8716f2a
F Makefile.linux-gcc b86a99c493a5bfb402d1d9178dcdc4bd4b32f906
F README f1de682fbbd94899d50aca13d387d1b3fd3be2dd
@ -30,7 +30,7 @@ F src/hash.h cd0433998bc1a3759d244e1637fe5a3c13b53bf8
F src/insert.c 764300a0bd8074a2174946c0bf8a550bd833397a
F src/main.c ff7c05ef88fa1374e5540ce20173ae8e1836f8a4
F src/md5.c fe4f9c9c6f71dfc26af8da63e4d04489b1430565
F src/os.c 091a89297bf80927cde146cd1dbf89c908864f3a
F src/os.c a099c7058e79f86edce9ca1f812078cdabe47a2c
F src/os.h 3009379b06941e7796a9812d1b6cbc59b26248c8
F src/pager.c 592e5931fdc65e952a6c3e152bc822580856532a
F src/pager.h 6991c9c2dc5e4c7f2df4d4ba47d1c6458f763a32
@ -149,7 +149,7 @@ F www/speed.tcl a20a792738475b68756ea7a19321600f23d1d803
F www/sqlite.tcl ae3dcfb077e53833b59d4fcc94d8a12c50a44098
F www/tclsqlite.tcl 1db15abeb446aad0caf0b95b8b9579720e4ea331
F www/vdbe.tcl 2013852c27a02a091d39a766bc87cff329f21218
P 015425001813971f6d4c97c18d64c7f14fa1955f
R 958c29732ae80c7acd4bb4c9f1286758
P 6c0f44bd6374010f7a4a091e585eb36e0665f96f
R 5d988e98e73febc16900dcc2d7b1140f
U drh
Z 500e5882699f5a41ba2a1838914ec9af
Z 4347cb15b61079c5bf526a0f73fa4ac4

2
manifest.uuid
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@ -1 +1 @@
6c0f44bd6374010f7a4a091e585eb36e0665f96f
d87a886d8f63f54466848151e2b0e8565b338593

11
src/os.c
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@ -788,10 +788,11 @@ int sqliteOsUnlock(OsFile *id){
}
/*
** Get information to seed the random number generator.
** Get information to seed the random number generator. The seed
** is written into the buffer zBuf[256]. The calling function must
** supply a sufficiently large buffer.
*/
int sqliteOsRandomSeed(char *zBuf){
static int once = 1;
#ifdef SQLITE_TEST
/* When testing, always use the same random number sequence.
** This makes the tests repeatable.
@ -807,12 +808,6 @@ int sqliteOsRandomSeed(char *zBuf){
#if OS_WIN && !defined(SQLITE_TEST)
GetSystemTime((LPSYSTEMTIME)zBuf);
#endif
if( once ){
int seed;
memcpy(&seed, zBuf, sizeof(seed));
srand(seed);
once = 0;
}
return SQLITE_OK;
}