diff options
Diffstat (limited to 'ext/misc/shathree.c')
-rw-r--r-- | ext/misc/shathree.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/ext/misc/shathree.c b/ext/misc/shathree.c index 56eba564c..56a5584f3 100644 --- a/ext/misc/shathree.c +++ b/ext/misc/shathree.c @@ -621,9 +621,11 @@ static void sha3QueryFunc( } nCol = sqlite3_column_count(pStmt); z = sqlite3_sql(pStmt); - n = (int)strlen(z); - hash_step_vformat(&cx,"S%d:",n); - SHA3Update(&cx,(unsigned char*)z,n); + if( z ){ + n = (int)strlen(z); + hash_step_vformat(&cx,"S%d:",n); + SHA3Update(&cx,(unsigned char*)z,n); + } /* Compute a hash over the result of the query */ while( SQLITE_ROW==sqlite3_step(pStmt) ){ |