Fix compilation on 32-bit systems

src/header/stdio/mod.rs

@@ -616,7 +616,7 @@ pub unsafe fn fseek_locked(stream: &mut FILE, mut off: off_t, whence: c_int) ->
 /// Seek to a position `pos` in the file from the beginning of the file
 #[no_mangle]
 pub unsafe extern "C" fn fsetpos(stream: *mut FILE, pos: *const fpos_t) -> c_int {
-    fseek(stream, *pos, SEEK_SET)
+    fseeko(stream, *pos, SEEK_SET)
 }
 
 /// Get the current position of the cursor in the file

src/header/time/mod.rs

@@ -163,14 +163,12 @@ pub extern "C" fn clock() -> clock_t {
     }
     let ts = unsafe { ts.assume_init() };
 
-    if ts.tv_sec > time_t::max_value() / CLOCKS_PER_SEC
-        || ts.tv_nsec / (1_000_000_000 / CLOCKS_PER_SEC)
-            > time_t::max_value() - CLOCKS_PER_SEC * ts.tv_sec
-    {
-        return -1;
+    let clocks = ts.tv_sec * CLOCKS_PER_SEC as i64
+               + (ts.tv_nsec / (1_000_000_000 / CLOCKS_PER_SEC)) as i64;
+    match clock_t::try_from(clocks) {
+        Ok(ok) => ok,
+        Err(_err) => -1,
     }
-
-    ts.tv_sec * CLOCKS_PER_SEC + ts.tv_nsec / (1_000_000_000 / CLOCKS_PER_SEC)
 }
 
 // #[no_mangle]

src/header/unistd/mod.rs

@@ -603,7 +603,7 @@ pub extern "C" fn setuid(uid: uid_t) -> c_int {
 #[no_mangle]
 pub extern "C" fn sleep(seconds: c_uint) -> c_uint {
     let rqtp = timespec {
-        tv_sec: seconds as c_long,
+        tv_sec: seconds as time_t,
         tv_nsec: 0,
     };
     let rmtp = ptr::null_mut();
@@ -731,7 +731,7 @@ pub unsafe extern "C" fn unlink(path: *const c_char) -> c_int {
 #[no_mangle]
 pub extern "C" fn usleep(useconds: useconds_t) -> c_int {
     let rqtp = timespec {
-        tv_sec: (useconds / 1_000_000) as c_long,
+        tv_sec: (useconds / 1_000_000) as time_t,
         tv_nsec: ((useconds % 1_000_000) * 1000) as c_long,
     };
     let rmtp = ptr::null_mut();