update build.zig for 0.12.0

build.zig

@@ -6,7 +6,7 @@ const Build = std.Build;
 
 const TestItem = struct {
     name: []const u8,
-    source_file: std.build.FileSource,
+    source_file: std.Build.LazyPath,
 };
 
 const test_files = [_]TestItem{
@@ -34,18 +34,30 @@ pub fn build(b: *Build) void {
     b.installArtifact(lib);
 
     _ = b.addModule("zig-odbc", .{
-        .source_file = .{ .path = "src/lib.zig" },
+        .root_source_file = .{ .path = "src/lib.zig" },
     });
 
     const test_cmd = b.step("test", "Run library tests");
 
-    const tests = testStep(b, optimize, target);
+    var tests: [test_files.len]*std.Build.Step.Compile = undefined;
+    inline for (test_files, 0..) |item, index| {
+        const current_tests = b.addTest(.{
+            .name = item.name,
+            .root_source_file = item.source_file,
+            .optimize = optimize,
+            .target = target,
+        });
+
+        setupOdbcDependencies(current_tests);
+
+        tests[index] = current_tests;
+    }
     for (tests) |t| {
         test_cmd.dependOn(&t.step);
     }
 }
 
-pub fn setupOdbcDependencies(step: *std.build.Step.Compile) void {
+pub fn setupOdbcDependencies(step: *std.Build.Step.Compile) void {
     step.linkLibC();
 
     const odbc_library_name = if (builtin.os.tag == .windows) "odbc32" else "odbc";
@@ -56,21 +68,3 @@ pub fn setupOdbcDependencies(step: *std.build.Step.Compile) void {
 
     step.linkSystemLibrary(odbc_library_name);
 }
-
-pub fn testStep(b: *Build, optimize: std.builtin.OptimizeMode, target: std.zig.CrossTarget) [test_files.len]*std.build.Step.Compile {
-    var tests: [test_files.len]*std.build.Step.Compile = undefined;
-    inline for (test_files, 0..) |item, index| {
-        const current_tests = b.addTest(.{
-            .name = item.name,
-            .root_source_file = item.source_file,
-            .optimize = optimize,
-            .target = target,
-        });
-
-        setupOdbcDependencies(current_tests);
-
-        tests[index] = current_tests;
-    }
-
-    return tests;
-}

src/types.zig

@@ -1604,7 +1604,7 @@ pub const StatementAttributeValue = union(StatementAttribute) {
             .RowStatusPointer => |v| std.mem.sliceAsBytes(v)[0..],
         };
 
-        var result_buffer = try allocator.alloc(u8, bytes.len);
+        const result_buffer = try allocator.alloc(u8, bytes.len);
         std.mem.copy(u8, result_buffer, bytes);
 
         return result_buffer;