diff options
Diffstat (limited to 'contrib/sqlite3/shell.c')
| -rw-r--r-- | contrib/sqlite3/shell.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/contrib/sqlite3/shell.c b/contrib/sqlite3/shell.c index d6a673fe2cfe..e6495d75128e 100644 --- a/contrib/sqlite3/shell.c +++ b/contrib/sqlite3/shell.c @@ -13023,10 +13023,14 @@ static int dbdataNext(sqlite3_vtab_cursor *pCursor){ if( pCsr->bOnePage==0 && pCsr->iPgno>pCsr->szDb ) return SQLITE_OK; rc = dbdataLoadPage(pCsr, pCsr->iPgno, &pCsr->aPage, &pCsr->nPage); if( rc!=SQLITE_OK ) return rc; - if( pCsr->aPage ) break; + if( pCsr->aPage && pCsr->nPage>=256 ) break; + sqlite3_free(pCsr->aPage); + pCsr->aPage = 0; if( pCsr->bOnePage ) return SQLITE_OK; pCsr->iPgno++; } + + assert( iOff+3+2<=pCsr->nPage ); pCsr->iCell = pTab->bPtr ? -2 : 0; pCsr->nCell = get_uint16(&pCsr->aPage[iOff+3]); } @@ -13261,8 +13265,7 @@ static int dbdataGetEncoding(DbdataCursor *pCsr){ int nPg1 = 0; u8 *aPg1 = 0; rc = dbdataLoadPage(pCsr, 1, &aPg1, &nPg1); - assert( rc!=SQLITE_OK || nPg1==0 || nPg1>=512 ); - if( rc==SQLITE_OK && nPg1>0 ){ + if( rc==SQLITE_OK && nPg1>=(56+4) ){ pCsr->enc = get_uint32(&aPg1[56]); } sqlite3_free(aPg1); @@ -17921,6 +17924,7 @@ static char *shell_error_context(const char *zSql, sqlite3 *db){ if( db==0 || zSql==0 || (iOffset = sqlite3_error_offset(db))<0 + || iOffset>=strlen(zSql) ){ return sqlite3_mprintf(""); } |