bpo-29619: Do not use HAVE_LARGEFILE_SUPPORT for type conversions (GH-1666) (#3102)

Use only the LongLong form for the conversions

(cherry picked from commit 50e86033)

Modules/posixmodule.c

@@ -1934,14 +1934,8 @@ _pystat_fromstructstat(STRUCT_STAT *st)
         return NULL;
 
     PyStructSequence_SET_ITEM(v, 0, PyLong_FromLong((long)st->st_mode));
-#if defined(HAVE_LARGEFILE_SUPPORT) || defined(MS_WINDOWS)
     Py_BUILD_ASSERT(sizeof(unsigned long long) >= sizeof(st->st_ino));
-    PyStructSequence_SET_ITEM(v, 1,
-                              PyLong_FromUnsignedLongLong(st->st_ino));
-#else
-    Py_BUILD_ASSERT(sizeof(unsigned long) >= sizeof(st->st_ino));
-    PyStructSequence_SET_ITEM(v, 1, PyLong_FromUnsignedLong(st->st_ino));
-#endif
+    PyStructSequence_SET_ITEM(v, 1, PyLong_FromUnsignedLongLong(st->st_ino));
 #ifdef MS_WINDOWS
     PyStructSequence_SET_ITEM(v, 2, PyLong_FromUnsignedLong(st->st_dev));
 #else
@@ -1955,12 +1949,8 @@ _pystat_fromstructstat(STRUCT_STAT *st)
     PyStructSequence_SET_ITEM(v, 4, _PyLong_FromUid(st->st_uid));
     PyStructSequence_SET_ITEM(v, 5, _PyLong_FromGid(st->st_gid));
 #endif
-#ifdef HAVE_LARGEFILE_SUPPORT
-    PyStructSequence_SET_ITEM(v, 6,
-                              PyLong_FromLongLong((long long)st->st_size));
-#else
-    PyStructSequence_SET_ITEM(v, 6, PyLong_FromLong(st->st_size));
-#endif
+    Py_BUILD_ASSERT(sizeof(long long) >= sizeof(st->st_size));
+    PyStructSequence_SET_ITEM(v, 6, PyLong_FromLongLong(st->st_size));
 
 #if defined(HAVE_STAT_TV_NSEC)
     ansec = st->st_atim.tv_nsec;
@@ -11484,11 +11474,8 @@ DirEntry_inode(DirEntry *self)
     Py_BUILD_ASSERT(sizeof(unsigned long long) >= sizeof(self->win32_file_index));
     return PyLong_FromUnsignedLongLong(self->win32_file_index);
 #else /* POSIX */
-#ifdef HAVE_LARGEFILE_SUPPORT
-    return PyLong_FromLongLong((long long)self->d_ino);
-#else
-    return PyLong_FromLong((long)self->d_ino);
-#endif
+    Py_BUILD_ASSERT(sizeof(unsigned long long) >= sizeof(self->d_ino));
+    return PyLong_FromUnsignedLongLong(self->d_ino);
 #endif
 }