python · vstinner · Feb 7, 2022 · Feb 6, 2022
diff --git a/Objects/bytearrayobject.c b/Objects/bytearrayobject.c
@@ -1074,6 +1074,7 @@ bytearray_dealloc(PyByteArrayObject *self)
 /* -------------------------------------------------------------------- */
 /* Methods */

+#define STRINGLIB_IS_UNICODE 0
 #define FASTSEARCH fastsearch
 #define STRINGLIB(F) stringlib_##F
 #define STRINGLIB_CHAR char

diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
@@ -1235,6 +1235,7 @@ PyBytes_AsStringAndSize(PyObject *obj,
 #define STRINGLIB_GET_EMPTY() bytes_get_empty()

 #include "stringlib/stringdefs.h"
+#define STRINGLIB_MUTABLE 0

 #include "stringlib/fastsearch.h"
 #include "stringlib/count.h"

diff --git a/Objects/stringlib/asciilib.h b/Objects/stringlib/asciilib.h
@@ -20,6 +20,7 @@
 #define STRINGLIB_NEW(STR,LEN)   _PyUnicode_FromASCII((const char*)(STR),(LEN))
 #define STRINGLIB_CHECK          PyUnicode_Check
 #define STRINGLIB_CHECK_EXACT    PyUnicode_CheckExact
+#define STRINGLIB_MUTABLE 0

 #define STRINGLIB_TOSTR          PyObject_Str
 #define STRINGLIB_TOASCII        PyObject_ASCII
diff --git a/Objects/stringlib/join.h b/Objects/stringlib/join.h
@@ -32,7 +32,7 @@ STRINGLIB(bytes_join)(PyObject *sep, PyObject *iterable)
        Py_DECREF(seq);
        return STRINGLIB_NEW(NULL, 0);
    }
-#ifndef STRINGLIB_MUTABLE
+#if !STRINGLIB_MUTABLE
    if (seqlen == 1) {
        item = PySequence_Fast_GET_ITEM(seq, 0);
        if (STRINGLIB_CHECK_EXACT(item)) {

diff --git a/Objects/stringlib/split.h b/Objects/stringlib/split.h
@@ -70,7 +70,7 @@ STRINGLIB(split_whitespace)(PyObject* str_obj,
        j = i; i++;
        while (i < str_len && !STRINGLIB_ISSPACE(str[i]))
            i++;
-#ifndef STRINGLIB_MUTABLE
+#if !STRINGLIB_MUTABLE
        if (j == 0 && i == str_len && STRINGLIB_CHECK_EXACT(str_obj)) {
            /* No whitespace in str_obj, so just use it as list[0] */
            Py_INCREF(str_obj);
@@ -122,7 +122,7 @@ STRINGLIB(split_char)(PyObject* str_obj,
            }
        }
    }
-#ifndef STRINGLIB_MUTABLE
+#if !STRINGLIB_MUTABLE
    if (count == 0 && STRINGLIB_CHECK_EXACT(str_obj)) {
        /* ch not in str_obj, so just use str_obj as list[0] */
        Py_INCREF(str_obj);
@@ -170,7 +170,7 @@ STRINGLIB(split)(PyObject* str_obj,
        SPLIT_ADD(str, i, j);
        i = j + sep_len;
    }
-#ifndef STRINGLIB_MUTABLE
+#if !STRINGLIB_MUTABLE
    if (count == 0 && STRINGLIB_CHECK_EXACT(str_obj)) {
        /* No match in str_obj, so just use it as list[0] */
        Py_INCREF(str_obj);
@@ -209,7 +209,7 @@ STRINGLIB(rsplit_whitespace)(PyObject* str_obj,
        j = i; i--;
        while (i >= 0 && !STRINGLIB_ISSPACE(str[i]))
            i--;
-#ifndef STRINGLIB_MUTABLE
+#if !STRINGLIB_MUTABLE
        if (j == str_len - 1 && i < 0 && STRINGLIB_CHECK_EXACT(str_obj)) {
            /* No whitespace in str_obj, so just use it as list[0] */
            Py_INCREF(str_obj);
@@ -262,7 +262,7 @@ STRINGLIB(rsplit_char)(PyObject* str_obj,
            }
        }
    }
-#ifndef STRINGLIB_MUTABLE
+#if !STRINGLIB_MUTABLE
    if (count == 0 && STRINGLIB_CHECK_EXACT(str_obj)) {
        /* ch not in str_obj, so just use str_obj as list[0] */
        Py_INCREF(str_obj);
@@ -311,7 +311,7 @@ STRINGLIB(rsplit)(PyObject* str_obj,
        SPLIT_ADD(str, pos + sep_len, j);
        j = pos;
    }
-#ifndef STRINGLIB_MUTABLE
+#if !STRINGLIB_MUTABLE
    if (count == 0 && STRINGLIB_CHECK_EXACT(str_obj)) {
        /* No match in str_obj, so just use it as list[0] */
        Py_INCREF(str_obj);
@@ -370,7 +370,7 @@ STRINGLIB(splitlines)(PyObject* str_obj,
            if (keepends)
                eol = i;
        }
-#ifndef STRINGLIB_MUTABLE
+#if !STRINGLIB_MUTABLE
        if (j == 0 && eol == str_len && STRINGLIB_CHECK_EXACT(str_obj)) {
            /* No linebreak in str_obj, so just use it as list[0] */
            if (PyList_Append(list, str_obj))

diff --git a/Objects/stringlib/ucs1lib.h b/Objects/stringlib/ucs1lib.h
@@ -20,6 +20,7 @@
 #define STRINGLIB_NEW            _PyUnicode_FromUCS1
 #define STRINGLIB_CHECK          PyUnicode_Check
 #define STRINGLIB_CHECK_EXACT    PyUnicode_CheckExact
+#define STRINGLIB_MUTABLE 0

 #define STRINGLIB_TOSTR          PyObject_Str
 #define STRINGLIB_TOASCII        PyObject_ASCII
diff --git a/Objects/stringlib/ucs2lib.h b/Objects/stringlib/ucs2lib.h
@@ -20,6 +20,7 @@
 #define STRINGLIB_NEW            _PyUnicode_FromUCS2
 #define STRINGLIB_CHECK          PyUnicode_Check
 #define STRINGLIB_CHECK_EXACT    PyUnicode_CheckExact
+#define STRINGLIB_MUTABLE 0

 #define STRINGLIB_TOSTR          PyObject_Str
 #define STRINGLIB_TOASCII        PyObject_ASCII
diff --git a/Objects/stringlib/ucs4lib.h b/Objects/stringlib/ucs4lib.h
@@ -20,6 +20,7 @@
 #define STRINGLIB_NEW            _PyUnicode_FromUCS4
 #define STRINGLIB_CHECK          PyUnicode_Check
 #define STRINGLIB_CHECK_EXACT    PyUnicode_CheckExact
+#define STRINGLIB_MUTABLE 0

 #define STRINGLIB_TOSTR          PyObject_Str
 #define STRINGLIB_TOASCII        PyObject_ASCII

diff --git a/Objects/stringlib/undef.h b/Objects/stringlib/undef.h
@@ -1,10 +1,10 @@
-#undef  FASTSEARCH
-#undef  STRINGLIB
-#undef  STRINGLIB_SIZEOF_CHAR
-#undef  STRINGLIB_MAX_CHAR
-#undef  STRINGLIB_CHAR
-#undef  STRINGLIB_STR
-#undef  STRINGLIB_LEN
-#undef  STRINGLIB_NEW
+#undef FASTSEARCH
+#undef STRINGLIB
+#undef STRINGLIB_SIZEOF_CHAR
+#undef STRINGLIB_MAX_CHAR
+#undef STRINGLIB_CHAR
+#undef STRINGLIB_STR
+#undef STRINGLIB_LEN
+#undef STRINGLIB_NEW
 #undef STRINGLIB_IS_UNICODE
-
+#undef STRINGLIB_MUTABLE
diff --git a/Objects/stringlib/unicodedefs.h b/Objects/stringlib/unicodedefs.h
@@ -22,6 +22,7 @@
 #define STRINGLIB_NEW            PyUnicode_FromUnicode
 #define STRINGLIB_CHECK          PyUnicode_Check
 #define STRINGLIB_CHECK_EXACT    PyUnicode_CheckExact
+#define STRINGLIB_MUTABLE 0

 #define STRINGLIB_TOSTR          PyObject_Str
 #define STRINGLIB_TOASCII        PyObject_ASCII