Fix typos in the Modules directory (GH-28761)

Modules/_csv.c

@@ -489,7 +489,7 @@ err:
 }
 
 /* Since dialect is now a heap type, it inherits pickling method for
- * protocol 0 and 1 from object, therefore it needs to be overriden */
+ * protocol 0 and 1 from object, therefore it needs to be overridden */
 
 PyDoc_STRVAR(dialect_reduce_doc, "raises an exception to avoid pickling");
 

Modules/_ctypes/callproc.c

@@ -834,7 +834,7 @@ static int _call_function_pointer(int flags,
 #      define HAVE_FFI_PREP_CIF_VAR_RUNTIME false
 #   endif
 
-    /* Even on Apple-arm64 the calling convention for variadic functions conincides
+    /* Even on Apple-arm64 the calling convention for variadic functions coincides
      * with the standard calling convention in the case that the function called
      * only with its fixed arguments.   Thus, we do not need a special flag to be
      * set on variadic functions.   We treat a function as variadic if it is called

Modules/_ctypes/cfield.c

@@ -35,7 +35,7 @@ PyCField_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
  * Expects the size, index and offset for the current field in *psize and
  * *poffset, stores the total size so far in *psize, the offset for the next
  * field in *poffset, the alignment requirements for the current field in
- * *palign, and returns a field desriptor for this field.
+ * *palign, and returns a field descriptor for this field.
  */
 /*
  * bitfields extension:

Modules/_ctypes/ctypes.h

@@ -208,7 +208,7 @@ typedef struct {
     PyObject *checker;
     int flags;                  /* calling convention and such */
 
-    /* pep3118 fields, pointers neeed PyMem_Free */
+    /* pep3118 fields, pointers need PyMem_Free */
     char *format;
     int ndim;
     Py_ssize_t *shape;

Modules/_pickle.c

@@ -4527,7 +4527,7 @@ dump(PicklerObject *self, PyObject *obj)
      * call when setting the reducer_override attribute of the Pickler instance
      * to a bound method of the same instance. This is important as the Pickler
      * instance holds a reference to each object it has pickled (through its
-     * memo): thus, these objects wont be garbage-collected as long as the
+     * memo): thus, these objects won't be garbage-collected as long as the
      * Pickler itself is not collected. */
     Py_CLEAR(self->reducer_override);
     return status;
@@ -6540,7 +6540,7 @@ do_setitems(UnpicklerObject *self, Py_ssize_t x)
         return 0;
     if ((len - x) % 2 != 0) {
         PickleState *st = _Pickle_GetGlobalState();
-        /* Currupt or hostile pickle -- we never write one like this. */
+        /* Corrupt or hostile pickle -- we never write one like this. */
         PyErr_SetString(st->UnpicklingError,
                         "odd number of items for SETITEMS");
         return -1;

Modules/_sre.c

@@ -15,7 +15,7 @@
  * 2001-05-14 fl   fixes for 1.5.2 compatibility
  * 2001-07-01 fl   added BIGCHARSET support (from Martin von Loewis)
  * 2001-10-18 fl   fixed group reset issue (from Matthew Mueller)
- * 2001-10-20 fl   added split primitive; reenable unicode for 1.6/2.0/2.1
+ * 2001-10-20 fl   added split primitive; re-enable unicode for 1.6/2.0/2.1
  * 2001-10-21 fl   added sub/subn primitive
  * 2001-10-24 fl   added finditer primitive (for 2.2 only)
  * 2001-12-07 fl   fixed memory leak in sub/subn (Guido van Rossum)

Modules/_testcapimodule.c

@@ -5323,7 +5323,7 @@ encode_locale_ex(PyObject *self, PyObject *args)
         PyErr_SetString(PyExc_ValueError, "unsupported error handler");
         break;
     default:
-        PyErr_SetString(PyExc_ValueError, "unknow error code");
+        PyErr_SetString(PyExc_ValueError, "unknown error code");
         break;
     }
     return res;
@@ -5366,7 +5366,7 @@ decode_locale_ex(PyObject *self, PyObject *args)
         PyErr_SetString(PyExc_ValueError, "unsupported error handler");
         break;
     default:
-        PyErr_SetString(PyExc_ValueError, "unknow error code");
+        PyErr_SetString(PyExc_ValueError, "unknown error code");
         break;
     }
     return res;

Modules/_threadmodule.c

@@ -1219,7 +1219,7 @@ where the corresponding signal handler will be executed.\n\
 If *signum* is omitted, SIGINT is assumed.\n\
 A subthread can use this function to interrupt the main thread.\n\
 \n\
-Note: the default signal hander for SIGINT raises ``KeyboardInterrupt``."
+Note: the default signal handler for SIGINT raises ``KeyboardInterrupt``."
 );
 
 static lockobject *newlockobject(PyObject *module);

Modules/_tkinter.c

@@ -797,7 +797,7 @@ PyTclObject_str(PyTclObject *self)
         Py_INCREF(self->string);
         return self->string;
     }
-    /* XXX Could chache result if it is non-ASCII. */
+    /* XXX Could cache result if it is non-ASCII. */
     return unicodeFromTclObj(self->value);
 }
 

Modules/_tracemalloc.c

@@ -833,7 +833,7 @@ tracemalloc_clear_filename(void *value)
 static void
 tracemalloc_clear_traces(void)
 {
-    /* The GIL protects variables againt concurrent access */
+    /* The GIL protects variables against concurrent access */
     assert(PyGILState_Check());
 
     TABLES_LOCK();

Modules/_zoneinfo.c

@@ -1342,7 +1342,7 @@ tzrule_transitions(_tzrule *rule, int year, int64_t *start, int64_t *end)
  * could technically be calculated from the timestamp, but given that the
  * callers of this function already have the year information accessible from
  * the datetime struct, it is taken as an additional parameter to reduce
- * unncessary calculation.
+ * unnecessary calculation.
  * */
 static _ttinfo *
 find_tzrule_ttinfo(_tzrule *rule, int64_t ts, unsigned char fold, int year)

Modules/expat/xmlparse.c

@@ -3976,7 +3976,7 @@ initializeEncoding(XML_Parser parser) {
   const char *s;
 #ifdef XML_UNICODE
   char encodingBuf[128];
-  /* See comments abount `protoclEncodingName` in parserInit() */
+  /* See comments about `protoclEncodingName` in parserInit() */
   if (! parser->m_protocolEncodingName)
     s = NULL;
   else {

Modules/gc_weakref.txt

@@ -50,7 +50,7 @@ CT while gc is running.
     https://www.python.org/sf/1055820
 
 shows how innocent it can be, and also how nasty.  Variants of the three
-focussed test cases attached to that bug report are now part of Python's
+focused test cases attached to that bug report are now part of Python's
 standard Lib/test/test_gc.py.
 
 Jim Fulton gave the best nutshell summary of the new (in 2.4 and 2.3.5)

Modules/getpath.c

@@ -1457,7 +1457,7 @@ calculate_path(PyCalculatePath *calculate, _PyPathConfig *pathconfig)
     }
 
     /* If a pyvenv.cfg configure file is found,
-       argv0_path is overriden with its 'home' variable. */
+       argv0_path is overridden with its 'home' variable. */
     status = calculate_read_pyenv(calculate);
     if (_PyStatus_EXCEPTION(status)) {
         return status;

Modules/sha1module.c

@@ -269,7 +269,7 @@ sha1_done(struct sha1_state *sha1, unsigned char *out)
         sha1->curlen = 0;
     }
 
-    /* pad upto 56 bytes of zeroes */
+    /* pad up to 56 bytes of zeroes */
     while (sha1->curlen < 56) {
         sha1->buf[sha1->curlen++] = (unsigned char)0;
     }

Modules/signalmodule.c

@@ -1595,7 +1595,7 @@ signal_get_set_handlers(signal_state_t *state, PyObject *mod_dict)
         Py_XDECREF(old_func);
     }
 
-    // Instal Python SIGINT handler which raises KeyboardInterrupt
+    // Install Python SIGINT handler which raises KeyboardInterrupt
     PyObject* sigint_func = get_handler(SIGINT);
     if (sigint_func == state->default_handler) {
         PyObject *int_handler = PyMapping_GetItemString(mod_dict,

Modules/socketmodule.c

@@ -929,7 +929,7 @@ sock_call_ex(PySocketSockObject *s,
                reading, but the data then discarded by the OS because of a
                wrong checksum.
 
-               Loop on select() to recheck for socket readyness. */
+               Loop on select() to recheck for socket readiness. */
             continue;
         }
 

Modules/syslogmodule.c

@@ -183,7 +183,7 @@ syslog_syslog(PyObject * self, PyObject * args)
         PyObject *openargs;
 
         /* Continue even if PyTuple_New fails, because openlog(3) is optional.
-         * So, we can still do loggin in the unlikely event things are so hosed
+         * So, we can still do logging in the unlikely event things are so hosed
          * that we can't do this tuple.
          */
         if ((openargs = PyTuple_New(0))) {

Modules/zlibmodule.c

@@ -82,7 +82,7 @@ typedef struct {
     Bytef *next_posi;
 } _Uint32Window;
 
-/* Initialize the buffer with an inital buffer size.
+/* Initialize the buffer with an initial buffer size.
 
    On success, return value >= 0
    On failure, return value < 0 */