stdlib: escape backslashes and double quotes in Builder response file

Fixes #11595

4 files changed, 68 insertions, 0 deletions

diff --git a/test/standalone.zig b/test/standalone.zig
index 6df3387018..856a58df84 100644
--- a/test/standalone.zig
+++ b/test/standalone.zig
@@ -49,6 +49,7 @@ pub fn addCases(cases: *tests.StandaloneContext) void {
     cases.addBuildFile("test/standalone/issue_7030/build.zig", .{});
     cases.addBuildFile("test/standalone/install_raw_hex/build.zig", .{});
     cases.addBuildFile("test/standalone/issue_9812/build.zig", .{});
+    cases.addBuildFile("test/standalone/issue_11595/build.zig", .{});
     if (builtin.os.tag != .wasi) {
         cases.addBuildFile("test/standalone/load_dynamic_library/build.zig", .{});
     }
diff --git a/test/standalone/issue_11595/build.zig b/test/standalone/issue_11595/build.zig
new file mode 100644
index 0000000000..d636f63ebc
--- /dev/null
+++ b/test/standalone/issue_11595/build.zig
@@ -0,0 +1,52 @@
+const std = @import("std");
+const builtin = @import("builtin");
+const Builder = std.build.Builder;
+const CrossTarget = std.zig.CrossTarget;
+
+// TODO integrate this with the std.build executor API
+fn isRunnableTarget(t: CrossTarget) bool {
+    if (t.isNative()) return true;
+
+    return (t.getOsTag() == builtin.os.tag and
+        t.getCpuArch() == builtin.cpu.arch);
+}
+
+pub fn build(b: *Builder) void {
+    const mode = b.standardReleaseOptions();
+    const target = b.standardTargetOptions(.{});
+
+    const exe = b.addExecutable("zigtest", "main.zig");
+    exe.setBuildMode(mode);
+    exe.install();
+
+    const c_sources = [_][]const u8{
+        "test.c",
+    };
+
+    exe.addCSourceFiles(&c_sources, &.{});
+    exe.linkLibC();
+
+    var i: i32 = 0;
+    while (i < 1000) : (i += 1) {
+        exe.defineCMacro("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA");
+    }
+
+    exe.defineCMacro("FOO", "42");
+    exe.defineCMacro("BAR", "\"BAR\"");
+    exe.defineCMacro("BAZ",
+        \\"\"BAZ\""
+    );
+    exe.defineCMacro("QUX", "\"Q\" \"UX\"");
+    exe.defineCMacro("QUUX", "\"QU\\\"UX\"");
+
+    exe.setTarget(target);
+    b.default_step.dependOn(&exe.step);
+
+    const test_step = b.step("test", "Test the program");
+    if (isRunnableTarget(target)) {
+        const run_cmd = exe.run();
+        test_step.dependOn(&run_cmd.step);
+    } else {
+        test_step.dependOn(&exe.step);
+    }
+}
diff --git a/test/standalone/issue_11595/main.zig b/test/standalone/issue_11595/main.zig
new file mode 100644
index 0000000000..b91f54cb9c
--- /dev/null
+++ b/test/standalone/issue_11595/main.zig
@@ -0,0 +1,5 @@
+extern fn check() c_int;
+
+pub fn main() u8 {
+    return @intCast(u8, check());
+}
diff --git a/test/standalone/issue_11595/test.c b/test/standalone/issue_11595/test.c
new file mode 100644
index 0000000000..5bfaa1a351
--- /dev/null
+++ b/test/standalone/issue_11595/test.c
@@ -0,0 +1,10 @@
+ #include <string.h>
+
+int check(void) {
+    if (FOO != 42) return 1;
+    if (strcmp(BAR, "BAR")) return 2;
+    if (strcmp(BAZ, "\"BAZ\"")) return 3;
+    if (strcmp(QUX, "QUX")) return 4;
+    if (strcmp(QUUX, "QU\"UX")) return 5;
+    return 0;
+}