Upgrade zig 0.15.2

build.zig

@@ -27,26 +27,28 @@ pub fn build(b: *std.Build) !void {
 
     // Build static library by default
     const c_entry = b.path("src/c-api.zig");
-    const static_lib = b.addStaticLibrary(.{
-        .name = name,
+    const c_module = b.addModule("plotille-c", .{
         .root_source_file = c_entry,
         .target = target,
         .optimize = mode,
-        .version = version,
         .strip = strip,
     });
+    const static_lib = b.addLibrary(.{
+        .name = name,
+        .root_module = c_module,
+        .version = version,
+        .linkage = .static,
+    });
     static_lib.linkLibC();
     const installed_static_lib = b.addInstallArtifact(static_lib, .{});
     b.getInstallStep().dependOn(&installed_static_lib.step);
 
     // Build dynamic library by default (unless static-only is requested)
-    const shared_lib = b.addSharedLibrary(.{
+    const shared_lib = b.addLibrary(.{
         .name = name,
-        .root_source_file = c_entry,
-        .target = target,
-        .optimize = mode,
+        .root_module = c_module,
         .version = version,
-        .strip = strip,
+        .linkage = .dynamic,
     });
     shared_lib.linkLibC();
     const installed_shared_lib = b.addInstallArtifact(shared_lib, .{});
@@ -56,8 +58,10 @@ pub fn build(b: *std.Build) !void {
     const tests = b.addTest(.{
         .name = name,
         .root_module = module,
-        .filter = filter,
     });
+    if (filter) |f| {
+        tests.filters = &.{f};
+    }
     const run_tests = b.addRunArtifact(tests);
     test_step.dependOn(&run_tests.step);
 }

src/c-api.zig

@@ -16,7 +16,7 @@ export fn dots_init() dots.Dots {
 }
 export fn dots_str(self: dots.Dots, buf: [*]u8, len: usize) usize {
     var fbs = std.io.fixedBufferStream(buf[0..len]);
-    std.fmt.format(fbs.writer(), "{s}", .{self}) catch |err| switch (err) {
+    std.fmt.format(fbs.writer(), "{f}", .{self}) catch |err| switch (err) {
         error.NoSpaceLeft => return 0,
     };
     return fbs.pos;
@@ -116,7 +116,7 @@ export fn hist_free(h: *CHistogram) void {
 
     if (h._internal) |internal| {
         const hist_ptr: *hist.Histogram = @ptrCast(@alignCast(internal));
-        hist_ptr.deinit();
+        hist_ptr.deinit(allocator);
         allocator.destroy(hist_ptr);
     }
 
@@ -128,7 +128,7 @@ export fn hist_str(h: CHistogram, buf: [*]u8, len: usize) usize {
     if (h._internal) |internal| {
         const hist_ptr: *const hist.Histogram = @ptrCast(@alignCast(internal));
         var fbs = std.io.fixedBufferStream(buf[0..len]);
-        std.fmt.format(fbs.writer(), "{}", .{hist_ptr.*}) catch return 0;
+        std.fmt.format(fbs.writer(), "{f}", .{hist_ptr.*}) catch return 0;
         return fbs.pos;
     }
     return 0;
@@ -247,7 +247,7 @@ export fn canvas_str(c: CCanvas, buf: [*]u8, len: usize) usize {
     if (c._internal) |internal| {
         const canvas_ptr: *const canvas.Canvas = @ptrCast(@alignCast(internal));
         var fbs = std.io.fixedBufferStream(buf[0..len]);
-        std.fmt.format(fbs.writer(), "{}", .{canvas_ptr.*}) catch return 0;
+        std.fmt.format(fbs.writer(), "{f}", .{canvas_ptr.*}) catch return 0;
         return fbs.pos;
     }
     return 0;
@@ -461,7 +461,7 @@ export fn figure_str(f: CFigure, buf: [*]u8, len: usize) usize {
     if (f._internal) |internal| {
         const figure_ptr: *const figure.Figure = @ptrCast(@alignCast(internal));
         var fbs = std.io.fixedBufferStream(buf[0..len]);
-        std.fmt.format(fbs.writer(), "{}", .{figure_ptr.*}) catch return 0;
+        std.fmt.format(fbs.writer(), "{f}", .{figure_ptr.*}) catch return 0;
         return fbs.pos;
     }
     return 0;