From 7f5cd33fc45bc3002c3acbda0fdab3603d6edb77 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Tue, 13 Oct 2026 20:23:28 +0200
Subject: [PATCH] std.c: fix LC enum for serenity

---
 lib/std/c.zig | 43 ++++++++++++++++++++++++++++---------------
 1 file changed, 28 insertions(+), 15 deletions(-)

diff --git a/lib/std/c.zig b/lib/std/c.zig
index b4e29e664b4fd0ba8c04df55677c97d9470378fb..92d45f0b1c0790c0e1c99185faa8a4de08feef9f 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -11287,21 +11287,34 @@ pub extern "c" fn setsid() pid_t;
 /// These are implementation defined but share identical values in at least musl and glibc:
 /// - https://git.musl-libc.org/cgit/musl/tree/include/locale.h?id=ab31e9d6a0fa7c5c408856c89df2dfb12c344039#n18
 /// - https://sourceware.org/git/?p=glibc.git;a=blob;f=locale/bits/locale.h;h=0fcbb66114be5fef0577dc9047256eb508c45919;hb=c90cfce849d010474e8cccf3e5bff49a2c8b141f#l26
-pub const LC = enum(c_int) {
-    CTYPE = 0,
-    NUMERIC = 1,
-    TIME = 2,
-    COLLATE = 3,
-    MONETARY = 4,
-    MESSAGES = 5,
-    ALL = 6,
-    PAPER = 7,
-    NAME = 8,
-    ADDRESS = 9,
-    TELEPHONE = 10,
-    MEASUREMENT = 11,
-    IDENTIFICATION = 12,
-    _,
+pub const LC = switch (native_os) {
+    // https://github.com/SerenityOS/serenity/blob/fe4f3879551f2fdd8a24de06b88f4450e2f3b93d/Userland/Libraries/LibC/locale.h#L14-L29
+    .serenity => enum(c_int) {
+        ALL = 0,
+        NUMERIC = 1,
+        CTYPE = 2,
+        COLLATE = 3,
+        TIME = 4,
+        MONETARY = 5,
+        MESSAGES = 6,
+        _,
+    },
+    else => enum(c_int) {
+        CTYPE = 0,
+        NUMERIC = 1,
+        TIME = 2,
+        COLLATE = 3,
+        MONETARY = 4,
+        MESSAGES = 5,
+        ALL = 6,
+        PAPER = 7,
+        NAME = 8,
+        ADDRESS = 9,
+        TELEPHONE = 10,
+        MEASUREMENT = 11,
+        IDENTIFICATION = 12,
+        _,
+    },
 };
 
 pub extern "c" fn setlocale(category: LC, locale: ?[*:0]const u8) ?[*:0]const u8;
-- 
2.54.0