1 files changed, 0 insertions, 140 deletions
diff --git a/Objects/stringlib/join.h b/Objects/stringlib/join.h
deleted file mode 100644
index 6f314e1..0000000
--- a/Objects/stringlib/join.h
+++ /dev/null
@@ -1,140 +0,0 @@
-/* stringlib: bytes joining implementation */
-
-#if STRINGLIB_IS_UNICODE
-#error join.h only compatible with byte-wise strings
-#endif
-
-Py_LOCAL_INLINE(PyObject *)
-STRINGLIB(bytes_join)(PyObject *sep, PyObject *iterable)
-{
-    char *sepstr = STRINGLIB_STR(sep);
-    const Py_ssize_t seplen = STRINGLIB_LEN(sep);
-    PyObject *res = NULL;
-    char *p;
-    Py_ssize_t seqlen = 0;
-    Py_ssize_t sz = 0;
-    Py_ssize_t i, nbufs;
-    PyObject *seq, *item;
-    Py_buffer *buffers = NULL;
-#define NB_STATIC_BUFFERS 10
-    Py_buffer static_buffers[NB_STATIC_BUFFERS];
-
-    seq = PySequence_Fast(iterable, "can only join an iterable");
-    if (seq == NULL) {
-        return NULL;
-    }
-
-    seqlen = PySequence_Fast_GET_SIZE(seq);
-    if (seqlen == 0) {
-        Py_DECREF(seq);
-        return STRINGLIB_NEW(NULL, 0);
-    }
-#ifndef STRINGLIB_MUTABLE
-    if (seqlen == 1) {
-        item = PySequence_Fast_GET_ITEM(seq, 0);
-        if (STRINGLIB_CHECK_EXACT(item)) {
-            Py_INCREF(item);
-            Py_DECREF(seq);
-            return item;
-        }
-    }
-#endif
-    if (seqlen > NB_STATIC_BUFFERS) {
-        buffers = PyMem_NEW(Py_buffer, seqlen);
-        if (buffers == NULL) {
-            Py_DECREF(seq);
-            PyErr_NoMemory();
-            return NULL;
-        }
-    }
-    else {
-        buffers = static_buffers;
-    }
-
-    /* Here is the general case.  Do a pre-pass to figure out the total
-     * amount of space we'll need (sz), and see whether all arguments are
-     * bytes-like.
-     */
-    for (i = 0, nbufs = 0; i < seqlen; i++) {
-        Py_ssize_t itemlen;
-        item = PySequence_Fast_GET_ITEM(seq, i);
-        if (PyBytes_CheckExact(item)) {
-            /* Fast path. */
-            Py_INCREF(item);
-            buffers[i].obj = item;
-            buffers[i].buf = PyBytes_AS_STRING(item);
-            buffers[i].len = PyBytes_GET_SIZE(item);
-        }
-        else if (PyObject_GetBuffer(item, &buffers[i], PyBUF_SIMPLE) != 0) {
-            PyErr_Format(PyExc_TypeError,
-                         "sequence item %zd: expected a bytes-like object, "
-                         "%.80s found",
-                         i, Py_TYPE(item)->tp_name);
-            goto error;
-        }
-        nbufs = i + 1;  /* for error cleanup */
-        itemlen = buffers[i].len;
-        if (itemlen > PY_SSIZE_T_MAX - sz) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "join() result is too long");
-            goto error;
-        }
-        sz += itemlen;
-        if (i != 0) {
-            if (seplen > PY_SSIZE_T_MAX - sz) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "join() result is too long");
-                goto error;
-            }
-            sz += seplen;
-        }
-        if (seqlen != PySequence_Fast_GET_SIZE(seq)) {
-            PyErr_SetString(PyExc_RuntimeError,
-                            "sequence changed size during iteration");
-            goto error;
-        }
-    }
-
-    /* Allocate result space. */
-    res = STRINGLIB_NEW(NULL, sz);
-    if (res == NULL)
-        goto error;
-
-    /* Catenate everything. */
-    p = STRINGLIB_STR(res);
-    if (!seplen) {
-        /* fast path */
-        for (i = 0; i < nbufs; i++) {
-            Py_ssize_t n = buffers[i].len;
-            char *q = buffers[i].buf;
-            memcpy(p, q, n);
-            p += n;
-        }
-        goto done;
-    }
-    for (i = 0; i < nbufs; i++) {
-        Py_ssize_t n;
-        char *q;
-        if (i) {
-            memcpy(p, sepstr, seplen);
-            p += seplen;
-        }
-        n = buffers[i].len;
-        q = buffers[i].buf;
-        memcpy(p, q, n);
-        p += n;
-    }
-    goto done;
-
-error:
-    res = NULL;
-done:
-    Py_DECREF(seq);
-    for (i = 0; i < nbufs; i++)
-        PyBuffer_Release(&buffers[i]);
-    if (buffers != static_buffers)
-        PyMem_FREE(buffers);
-    return res;
-}
-
-#undef NB_STATIC_BUFFERS