diff options
Diffstat (limited to 'src/main.c')
| -rw-r--r-- | src/main.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/main.c b/src/main.c index a9a16cd4a..a47ee0038 100644 --- a/src/main.c +++ b/src/main.c @@ -800,7 +800,7 @@ int sqlite3_config(int op, ...){ static int setupLookaside(sqlite3 *db, void *pBuf, int sz, int cnt){ #ifndef SQLITE_OMIT_LOOKASIDE void *pStart; - sqlite3_int64 szAlloc = sz*(sqlite3_int64)cnt; + sqlite3_int64 szAlloc; int nBig; /* Number of full-size slots */ int nSm; /* Number smaller LOOKASIDE_SMALL-byte slots */ @@ -819,7 +819,9 @@ static int setupLookaside(sqlite3 *db, void *pBuf, int sz, int cnt){ */ sz = ROUNDDOWN8(sz); /* IMP: R-33038-09382 */ if( sz<=(int)sizeof(LookasideSlot*) ) sz = 0; + if( sz>65528 ) sz = 65528; if( cnt<0 ) cnt = 0; + szAlloc = (i64)sz*(i64)cnt; if( sz==0 || cnt==0 ){ sz = 0; pStart = 0; @@ -834,10 +836,10 @@ static int setupLookaside(sqlite3 *db, void *pBuf, int sz, int cnt){ #ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE if( sz>=LOOKASIDE_SMALL*3 ){ nBig = szAlloc/(3*LOOKASIDE_SMALL+sz); - nSm = (szAlloc - sz*nBig)/LOOKASIDE_SMALL; + nSm = (szAlloc - (i64)sz*(i64)nBig)/LOOKASIDE_SMALL; }else if( sz>=LOOKASIDE_SMALL*2 ){ nBig = szAlloc/(LOOKASIDE_SMALL+sz); - nSm = (szAlloc - sz*nBig)/LOOKASIDE_SMALL; + nSm = (szAlloc - (i64)sz*(i64)nBig)/LOOKASIDE_SMALL; }else #endif /* SQLITE_OMIT_TWOSIZE_LOOKASIDE */ if( sz>0 ){ |