Zig "C" library without sugar: renaming & grooming.

zig-lib_no-sugar/app.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "./lib.h"
+
+int main(void) {
+	printf ("Calling ipc_hello\n");
+	ipc_hello ();
+
+	printf ("Calling ipc_bye\n");
+	ipc_bye ();
+
+	return 0;
+}

zig-lib_no-sugar/ipc.zig

@@ -0,0 +1,11 @@
+const std = @import("std");
+
+const print = std.debug.print;
+
+export fn ipc_hello() callconv(.C) void {
+    print("Hello!\n", .{});
+}
+
+export fn ipc_bye() callconv(.C) void {
+    print("Bye!\n", .{});
+}

zig-lib_no-sugar/joke.c

@@ -1,21 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "./libipc.h"
-
-int main(void) {
-	printf ("Init context.\n");
-	void *ctx = ipc_context_init ();
-
-	if (ctx == NULL) {
-		printf ("Cannot init context.\n");
-		return 1;
-	}
-
-	printf ("Deinit context\n");
-	ipc_context_deinit (ctx);
-
-	printf ("Context freed.\n");
-	return 0;
-}

zig-lib_no-sugar/lib.h

@@ -0,0 +1,9 @@
+#ifndef LIB
+#define LIB
+
+#include <stdint.h>
+
+void ipc_hello (void);
+void ipc_bye (void);
+
+#endif

zig-lib_no-sugar/libipc.h

@@ -1,9 +0,0 @@
-#ifndef LIBIPC
-#define LIBIPC
-
-#include <stdint.h>
-
-void* ipc_context_init (void);
-void ipc_context_deinit (void* ctx);
-
-#endif

zig-lib_no-sugar/makefile

@@ -1,17 +1,16 @@
 # No sugar for you!
 
 build: lib
-	gcc -Os -I. -static -o joke joke.c libtest-gpa.a
+	gcc -Os -I. -static -o app app.c libipc.a
 
 lib:
-	zig build-lib test-gpa.zig -OReleaseSmall
+	zig build-lib ipc.zig -OReleaseSmall
 
 run:
-	$(VALGRIND) ./joke
+	$(VALGRIND) ./app
 
 
 include ../mk/makefile.valgrind
 
-# Another library.
-lib-alt:
-	zig build-lib test-gpa2.zig -OReleaseSmall
+clean:
+	rm *.a *.o app

zig-lib_no-sugar/test-gpa.zig

@@ -1,45 +0,0 @@
-const std = @import("std");
-const fmt = std.fmt;
-const testing = std.testing;
-
-const print = std.debug.print;
-const GPA = std.heap.GeneralPurposeAllocator(.{ .safety = true });
-
-pub const Context = struct {
-    const Self = @This();
-    rundir: [:0]u8,
-    gpa: GPA,
-
-    pub fn init(gpa: *GPA) !Self {
-        var rundir = try gpa.allocator().dupeZ(u8, "/tmp/libipc-run/");
-        return Self{ .rundir = rundir, .gpa = gpa.* };
-    }
-
-    pub fn deinit(self: *Self) void {
-        self.gpa.allocator().free(self.rundir);
-    }
-};
-
-export fn ipc_context_init() callconv(.C) ?*anyopaque {
-    std.log.err("Let's use GPA!", .{});
-    var gpa = GPA{};
-    var new_context = gpa.allocator().create(Context) catch return null;
-    new_context.* = Context.init(&gpa) catch return null;
-    return new_context;
-}
-
-export fn ipc_context_deinit(opaque_ctx: *anyopaque) callconv(.C) void {
-    var ctx = @ptrCast(*Context, @alignCast(@alignOf(Context), opaque_ctx));
-    ctx.deinit();
-    var gpa = ctx.gpa; // save the gpa before destroying ctx
-    std.log.err("Let's destroy Context!", .{});
-    gpa.allocator().destroy(ctx);
-    _ = gpa.deinit(); // now deinit the gpa
-}
-
-test "context_init_deinit" {
-    const ctx = ipc_context_init();
-    try std.testing.expect(ctx != null);
-
-    ipc_context_deinit(ctx.?);
-}

zig-lib_no-sugar/test-gpa2.zig

@@ -1,39 +0,0 @@
-const std = @import("std");
-const fmt = std.fmt;
-const testing = std.testing;
-
-const print = std.debug.print;
-var gpa = std.heap.GeneralPurposeAllocator(.{ .safety = true }){};
-
-pub const Context = struct {
-    const Self = @This();
-    rundir: [:0]u8,
-
-    pub fn init() !Self {
-        var rundir = try gpa.allocator().dupeZ(u8, "/tmp/libipc-run/");
-        return Self{ .rundir = rundir };
-    }
-
-    pub fn deinit(self: *Self) void {
-        gpa.allocator().free(self.rundir);
-    }
-};
-
-export fn ipc_context_init() callconv(.C) ?*anyopaque {
-    var new_context = gpa.allocator().create(Context) catch return null;
-    new_context.* = Context.init() catch return null;
-    return new_context;
-}
-
-export fn ipc_context_deinit(opaque_ctx: *anyopaque) callconv(.C) void {
-    var ctx = @ptrCast(*Context, @alignCast(@alignOf(Context), opaque_ctx));
-    ctx.deinit();
-    gpa.allocator().destroy(ctx);
-}
-
-test "context_init_deinit" {
-    const ctx = ipc_context_init();
-    try std.testing.expect(ctx != null);
-
-    ipc_context_deinit(ctx.?);
-}