make errno a static instead of TLS

libuwuc/src/error.rs

@@ -1,18 +1,20 @@
 use core::{cell::UnsafeCell, ptr::addr_of};
 
-#[thread_local]
+use crate::utils::SyncUnsafeCell;
-static ERRNO: UnsafeCell<i32> = UnsafeCell::new(0);
+
+// Todo: This should be a thread local once we have threads.
+static ERRNO: SyncUnsafeCell<i32> = SyncUnsafeCell(UnsafeCell::new(0));
 
 pub fn errno_location() -> *const i32 {
     addr_of!(ERRNO).cast()
 }
 
 pub fn errno() -> i32 {
-    unsafe { *ERRNO.get() }
+    unsafe { *ERRNO.0.get() }
 }
 
 pub fn set_errno(errno: i32) {
-    unsafe { ERRNO.get().write(errno) }
+    unsafe { ERRNO.0.get().write(errno) }
 }
 
 pub const EPERM: i32 = 1; /* Operation not permitted */

libuwuc/src/mem.rs

@@ -79,7 +79,7 @@ mod tests {
     fn memcmp_eq_one() {
         let a = [1];
         let b = [1];
-        let result = unsafe { super::memcmp(a.as_ptr(), b.as_ptr(), 1)};
+        let result = unsafe { super::memcmp(a.as_ptr(), b.as_ptr(), 1) };
         assert_eq!(result, 0);
     }
 
@@ -103,7 +103,7 @@ mod tests {
     fn memcmp_lt_one() {
         let a = [0];
         let b = [1];
-        let result = unsafe { super::memcmp(a.as_ptr(), b.as_ptr(), 1)};
+        let result = unsafe { super::memcmp(a.as_ptr(), b.as_ptr(), 1) };
         assert_eq!(result, -1);
     }
 
@@ -127,7 +127,7 @@ mod tests {
     fn memcmp_gt_one() {
         let a = [255];
         let b = [1];
-        let result = unsafe { super::memcmp(a.as_ptr(), b.as_ptr(), 1)};
+        let result = unsafe { super::memcmp(a.as_ptr(), b.as_ptr(), 1) };
         assert_eq!(result, 1);
     }
 

libuwuc/src/stubs.rs

@@ -0,0 +1 @@
+

rawc/src/string.rs

@@ -13,7 +13,6 @@ pub unsafe extern "C" fn memcmp(s1: *const u8, s2: *const u8, size: usize) -> i3
     libuwuc::mem::memcmp(s1, s2, size)
 }
 
-
 #[no_mangle]
 pub unsafe extern "C" fn bcmp(s1: *const u8, s2: *const u8, size: usize) -> i32 {
     libuwuc::mem::memcmp(s1, s2, size)

tests/c/argv.c

@@ -1,6 +1,6 @@
-#include<stdio.h>
+#include <stdio.h>
 
-int main(int argc, char* argv[]) {
+int main(int argc, char *argv[]) {
   char *self = argv[0];
   char first = self[0];
   if (first != '/') {

tests/c/errno.c

@@ -1,5 +1,4 @@
-//@ignore doens't initialize fs yet
+#include <errno.h>
-#include<errno.h>
 
 int main(void) {
   int err = errno;

tests/c/getenv.c

@@ -6,7 +6,8 @@ int main(int argc, char *argv[]) {
     return 1;
   }
 
-    char *env2 = getenv("__some absolutely NONSENSE that no one would ever define please..");
+  char *env2 = getenv(
+      "__some absolutely NONSENSE that no one would ever define please..");
   if (env2) {
     return 1;
   }

tests/c/malloc.c

@@ -1,7 +1,7 @@
-#include<stdlib.h>
+#include <stdlib.h>
 
 int main(void) {
-    char *alloc = (char*) malloc(10);
+  char *alloc = (char *)malloc(10);
   *alloc = 1;
   *(alloc + 9) = 2;
   free(alloc);

tests/c/mem.c

@@ -1,4 +1,4 @@
-#include<string.h>
+#include <string.h>
 
 int main(void) {
   char buf[10];

tests/c/simple_printf.c

@@ -1,4 +1,4 @@
-#include<stdio.h>
+#include <stdio.h>
 
 int main(int argc, char *argv[]) {
   int result = printf("Hello, world!\n");

tests/c/strtol.c

@@ -1,4 +1,4 @@
-#include<stdlib.h>
+#include <stdlib.h>
 
 int main(void) {
   char *str = "12";