Backport commit c3f616597c40 (Due to a coding error, check-in [8efd61e8518594e3] did not actually use ...)

Fixes misuse of the writeMask field of Parse which resulted in the 'address of
array pParse->writeMask will always evaluate to true' warning.

1 files changed, 13 insertions, 0 deletions

diff --git a/libsqlite3/fix-writeMask-check.patch b/libsqlite3/fix-writeMask-check.patch
new file mode 100644
index 0000000..d5a0b76
--- /dev/null
+++ b/libsqlite3/fix-writeMask-check.patch
@@ -0,0 +1,13 @@
+diff --git a/libsqlite3/libsqlite3/sqlite3.c b/libsqlite3/libsqlite3/sqlite3.c
+index 975f0c2..0ec45d0 100644
+--- a/libsqlite3/libsqlite3/sqlite3.c
++++ b/libsqlite3/libsqlite3/sqlite3.c
+@@ -157893,7 +157893,7 @@ SQLITE_PRIVATE void sqlite3VtabUsesAllSchemas(sqlite3_index_info *pIdxInfo){
+   for(i=0; i<nDb; i++){
+     sqlite3CodeVerifySchema(pParse, i);
+   }
+-  if( pParse->writeMask ){
++  if( DbMaskNonZero(pParse->writeMask) ){
+     for(i=0; i<nDb; i++){
+       sqlite3BeginWriteOperation(pParse, 0, i);
+     }