Merge pull request #173 from vrischmann/fix-latest-zig

Fix latest zig

Author: vrischmann

sqlite.zig

@@ -810,30 +810,16 @@ pub const Db = struct {
     ///
     /// Exmaple: 'create table a(); create table b();'
     pub fn execMulti(self: *Self, query: []const u8, options: QueryOptions) !void {
-        var new_options = options;
-        var sql_tail_ptr: ?[*:0]const u8 = null;
-        new_options.sql_tail_ptr = &sql_tail_ptr;
+        var sql_tail: [*c]const u8 = query.ptr;
 
         while (true) {
-            // continuously prepare and execute (dynamically as there's no
-            // values to bind in this case)
-            var stmt: DynamicStatement = undefined;
-            if (sql_tail_ptr != null) {
-                const new_query = std.mem.span(sql_tail_ptr.?);
-                if (new_query.len == 0) break;
-                stmt = self.prepareDynamicWithDiags(new_query, new_options) catch |err| switch (err) {
-                    error.EmptyQuery => break,
-                    else => return err,
-                };
-            } else {
-                stmt = self.prepareDynamicWithDiags(query, new_options) catch |err| switch (err) {
-                    error.EmptyQuery => break,
-                    else => return err,
-                };
-            }
+            const new_query = std.mem.span(sql_tail);
+            if (new_query.len == 0) return;
 
+            var stmt = try DynamicStatement.prepareWithTail(self, new_query, options, 0, &sql_tail);
             defer stmt.deinit();
-            try stmt.exec(new_options, .{});
+
+            try stmt.exec(options, .{});
         }
     }
 
@@ -1030,11 +1016,6 @@ pub const Savepoint = struct {
 pub const QueryOptions = struct {
     /// if provided, diags will be populated in case of failures.
     diags: ?*Diagnostics = null,
-
-    /// if provided, sql_tail_ptr will point to the last uncompiled statement
-    /// in the prepare() call. this is useful for multiple-statements being
-    /// processed.
-    sql_tail_ptr: ?*?[*:0]const u8 = null,
 };
 
 /// Iterator allows iterating over a result set.
@@ -1568,6 +1549,10 @@ pub const DynamicStatement = struct {
     pub const PrepareError = error{EmptyQuery} || Error;
 
     fn prepare(db: *Db, query: []const u8, options: QueryOptions, flags: c_uint) PrepareError!Self {
+        return prepareWithTail(db, query, options, flags, null);
+    }
+
+    fn prepareWithTail(db: *Db, query: []const u8, options: QueryOptions, flags: c_uint, tail: ?*[*c]const u8) PrepareError!Self {
         var dummy_diags = Diagnostics{};
         var diags = options.diags orelse &dummy_diags;
         const stmt = blk: {
@@ -1578,7 +1563,7 @@ pub const DynamicStatement = struct {
                 @intCast(query.len),
                 flags,
                 &tmp,
-                options.sql_tail_ptr,
+                tail,
             );
             if (result != c.SQLITE_OK) {
                 diags.err = getLastDetailedErrorFromDb(db.db);

vtab.zig

@@ -32,7 +32,7 @@ pub const ModuleContext = struct {
     allocator: mem.Allocator,
 };
 
-fn dupeToSQLiteString(s: []const u8) [*c]const u8 {
+fn dupeToSQLiteString(s: []const u8) [*c]u8 {
     var buffer: [*c]u8 = @ptrCast(c.sqlite3_malloc(@intCast(s.len + 1)));
 
     mem.copyForwards(u8, buffer[0..s.len], s);
@@ -730,7 +730,7 @@ pub fn VirtualTable(
             return c.SQLITE_ERROR;
         }
 
-        fn xConnect(db: ?*c.sqlite3, module_context_ptr: ?*anyopaque, argc: c_int, argv: [*c]const [*c]const u8, vtab: [*c][*c]c.sqlite3_vtab, err_str: [*c][*c]const u8) callconv(.C) c_int {
+        fn xConnect(db: ?*c.sqlite3, module_context_ptr: ?*anyopaque, argc: c_int, argv: [*c]const [*c]const u8, vtab: [*c][*c]c.sqlite3_vtab, err_str: [*c][*c]u8) callconv(.C) c_int {
             const module_context = getModuleContext(module_context_ptr);
 
             var arena = heap.ArenaAllocator.init(module_context.allocator);