authorgravatar for squeek502@hotmail.comRyan Liptak <squeek502@hotmail.com> 2026-05-01 19:24:59-07:00
committergravatar for squeek502@hotmail.comRyan Liptak <squeek502@hotmail.com> 2026-05-02 02:44:26-07:00
loga450016eb1816a8f0989626dde4b0c1865cba33d
treec90de95c20b2df4a6b9e655e14efdb7db9b4fdfa
parent8b16160b6ffeb11048be32402841bf2f2ef07a16

Add tests for DllMain to windows_entry_points standalone test

4 files changed, 111 insertions(+), 0 deletions(-)

test/standalone/windows_entry_points/build.zig+71
...@@ -139,4 +139,75 @@ pub fn build(b: *std.Build) void {...@@ -139,4 +139,75 @@ pub fn build(b: *std.Build) void {
139 _ = exe.getEmittedBin();139 _ = exe.getEmittedBin();
140 test_step.dependOn(&exe.step);140 test_step.dependOn(&exe.step);
141 }141 }
142
143 const load_dll_exe = b.addExecutable(.{ .name = "load_dll", .root_module = b.createModule(.{
144 .root_source_file = b.path("loaddll.zig"),
145 .target = target,
146 .optimize = .Debug,
147 }) });
148
149 {
150 const dll = b.addLibrary(.{
151 .name = "zig_dllmain",
152 .linkage = .dynamic,
153 .root_module = b.createModule(.{
154 .root_source_file = b.path("dllmain.zig"),
155 .target = target,
156 .optimize = .Debug,
157 }),
158 });
159
160 const run = b.addRunArtifact(load_dll_exe);
161 run.addArtifactArg(dll);
162 run.expectStdErrEqual("hello from DllMain");
163 run.expectStdOutEqual("");
164 run.expectExitCode(0);
165 run.skip_foreign_checks = true;
166
167 test_step.dependOn(&run.step);
168 }
169
170 {
171 const dll = b.addLibrary(.{
172 .name = "zig_dllmain_link_libc",
173 .linkage = .dynamic,
174 .root_module = b.createModule(.{
175 .root_source_file = b.path("dllmain.zig"),
176 .target = target,
177 .optimize = .Debug,
178 .link_libc = true,
179 }),
180 });
181
182 const run = b.addRunArtifact(load_dll_exe);
183 run.addArtifactArg(dll);
184 run.expectStdErrEqual("hello from DllMain");
185 run.expectStdOutEqual("");
186 run.expectExitCode(0);
187 run.skip_foreign_checks = true;
188
189 test_step.dependOn(&run.step);
190 }
191
192 {
193 const dll = b.addLibrary(.{
194 .name = "c_dllmain",
195 .linkage = .dynamic,
196 .root_module = b.createModule(.{
197 .target = target,
198 .optimize = .Debug,
199 .link_libc = true,
200 }),
201 });
202 dll.root_module.addCSourceFile(.{ .file = b.path("dllmain.c") });
203
204 const run = b.addRunArtifact(load_dll_exe);
205 run.addArtifactArg(dll);
206 run.expectStdErrEqual("hello from DllMain");
207 run.expectStdOutEqual("");
208 run.expectExitCode(0);
209 run.skip_foreign_checks = true;
210
211 test_step.dependOn(&run.step);
212 }
142}213}
test/standalone/windows_entry_points/dllmain.c created+9
...@@ -0,0 +1,9 @@
1#include <windows.h>
2#include <stdio.h>
3
4BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
5 if (fdwReason == DLL_PROCESS_ATTACH) {
6 fprintf(stderr, "hello from DllMain");
7 }
8 return TRUE;
9}
test/standalone/windows_entry_points/dllmain.zig created+18
...@@ -0,0 +1,18 @@
1const std = @import("std");
2const windows = std.os.windows;
3
4const DLL_PROCESS_ATTACH = 1;
5
6pub fn DllMain(
7 hinstDLL: windows.HINSTANCE,
8 fdwReason: windows.DWORD,
9 lpReserved: windows.LPVOID,
10) windows.BOOL {
11 _ = hinstDLL;
12 _ = lpReserved;
13 switch (fdwReason) {
14 DLL_PROCESS_ATTACH => std.debug.print("hello from DllMain", .{}),
15 else => {},
16 }
17 return .TRUE;
18}
test/standalone/windows_entry_points/loaddll.zig created+13
...@@ -0,0 +1,13 @@
1const std = @import("std");
2const windows = std.os.windows;
3
4extern "kernel32" fn LoadLibraryW(windows.LPCWSTR) callconv(.winapi) ?windows.HMODULE;
5
6pub fn main(init: std.process.Init) !void {
7 const arena = init.arena.allocator();
8 const args = try init.minimal.args.toSlice(arena);
9 if (args.len < 2) return error.NoDllPathSpecified;
10 const dll_path = args[1];
11 const dll_path_w = try std.unicode.wtf8ToWtf16LeAllocZ(arena, dll_path);
12 _ = LoadLibraryW(dll_path_w) orelse return error.FailedToLoadDll;
13}