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clear high-bit when generating gameIDs

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postgres DB, at least on ARM, doesn't like it.
This commit is contained in:
Eric House 2021-01-25 07:58:49 -08:00
parent d3440dc7d6
commit 0ea9b42db8
1 changed files with 3 additions and 0 deletions
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3
xwords4/common/game.c
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@ -84,6 +84,9 @@ makeGameID( XW_UtilCtxt* util )
while ( 0 == gameID ) {
/* High bit never set by XP_RANDOM() alone */
gameID = (XP_RANDOM() << 16) ^ XP_RANDOM();
/* But let's clear it -- set high-bit causes problems for existing
postgres DB where INTEGER is apparently a signed 32-bit */
gameID &= 0x7FFFFFFF;
}
LOG_RETURNF( "%x/%d", gameID, gameID );
return gameID;