#define PY_SSIZE_T_CLEAN

#include "Python.h"

#include "bytes_methods.h"

#include <stddef.h>

#ifdef COUNT_ALLOCS

Py_ssize_t null_strings, one_strings;

static PyBytesObject *characters[UCHAR_MAX + 1];

static PyBytesObject *nullstring;

#define PyBytesObject_SIZE (offsetof(PyBytesObject, ob_sval) + 1)

PyObject *

PyBytes_FromStringAndSize(const char *str, Py_ssize_t size)

{

PyBytesObject *op;

if (size < 0) {

PyErr_SetString(PyExc_SystemError,

"Negative size passed to PyBytes_FromStringAndSize");

return NULL;

}

if (size == 0 && (op = nullstring) != NULL) {

#ifdef COUNT_ALLOCS

null_strings++;

Py_INCREF(op);

return (PyObject *)op;

}

if (size == 1 && str != NULL &&

(op = characters[*str & UCHAR_MAX]) != NULL)

{

#ifdef COUNT_ALLOCS

one_strings++;

Py_INCREF(op);

return (PyObject *)op;

}

if (size > PY_SSIZE_T_MAX - PyBytesObject_SIZE) {

PyErr_SetString(PyExc_OverflowError,

"byte string is too large");

return NULL;

}

/* Inline PyObject_NewVar */

op = (PyBytesObject *)PyObject_MALLOC(PyBytesObject_SIZE + size);

if (op == NULL)

return PyErr_NoMemory();

(void)PyObject_INIT_VAR(op, &PyBytes_Type, size);

op->ob_shash = -1;

if (str != NULL)

Py_MEMCPY(op->ob_sval, str, size);

op->ob_sval[size] = '\0';

/* share short strings */

if (size == 0) {

nullstring = op;

Py_INCREF(op);

} else if (size == 1 && str != NULL) {

characters[*str & UCHAR_MAX] = op;

Py_INCREF(op);

}

return (PyObject *) op;

}

PyObject *

PyBytes_FromString(const char *str)

{

size_t size;

PyBytesObject *op;

assert(str != NULL);

size = strlen(str);

if (size > PY_SSIZE_T_MAX - PyBytesObject_SIZE) {

PyErr_SetString(PyExc_OverflowError,

"byte string is too long");

return NULL;

}

if (size == 0 && (op = nullstring) != NULL) {

#ifdef COUNT_ALLOCS

null_strings++;

Py_INCREF(op);

return (PyObject *)op;

}

if (size == 1 && (op = characters[*str & UCHAR_MAX]) != NULL) {

#ifdef COUNT_ALLOCS

one_strings++;

Py_INCREF(op);

return (PyObject *)op;

}

/* Inline PyObject_NewVar */

op = (PyBytesObject *)PyObject_MALLOC(PyBytesObject_SIZE + size);

if (op == NULL)

return PyErr_NoMemory();

(void)PyObject_INIT_VAR(op, &PyBytes_Type, size);

op->ob_shash = -1;

Py_MEMCPY(op->ob_sval, str, size+1);

/* share short strings */

if (size == 0) {

nullstring = op;

Py_INCREF(op);

} else if (size == 1) {

characters[*str & UCHAR_MAX] = op;

Py_INCREF(op);

}

return (PyObject *) op;

}

PyObject *

PyBytes_FromFormatV(const char *format, va_list vargs)

{

va_list count;

Py_ssize_t n = 0;

const char* f;

char *s;

PyObject* string;

Py_VA_COPY(count, vargs);

/* step 1: figure out how large a buffer we need */

for (f = format; *f; f++) {

if (*f == '%') {

const char* p = f;

while (*++f && *f != '%' && !Py_ISALPHA(*f))

;

/* skip the 'l' or 'z' in {%ld, %zd, %lu, %zu} since

if ((*f == 'l' || *f == 'z') &&

(f[1] == 'd' || f[1] == 'u'))

++f;

switch (*f) {

case 'c':

{

int c = va_arg(count, int);

if (c < 0 || c > 255) {

PyErr_SetString(PyExc_OverflowError,

"PyBytes_FromFormatV(): %c format "

"expects an integer in range [0; 255]");

return NULL;

}

n++;

break;

}

case '%':

n++;

break;

case 'd': case 'u': case 'i': case 'x':

(void) va_arg(count, int);

/* 20 bytes is enough to hold a 64-bit

n += 20;

break;

case 's':

s = va_arg(count, char*);

n += strlen(s);

break;

case 'p':

(void) va_arg(count, int);

/* maximum 64-bit pointer representation:

n += 19;

break;

default:

/* if we stumble upon an unknown

n += strlen(p);

goto expand;

}

} else

n++;

}

expand:

/* step 2: fill the buffer */

/* Since we've analyzed how much space we need for the worst case,

string = PyBytes_FromStringAndSize(NULL, n);

if (!string)

return NULL;

s = PyBytes_AsString(string);

for (f = format; *f; f++) {

if (*f == '%') {

const char* p = f++;

Py_ssize_t i;

int longflag = 0;

int size_tflag = 0;

/* parse the width.precision part (we're only

n = 0;

while (Py_ISDIGIT(*f))

n = (n*10) + *f++ - '0';

if (*f == '.') {

f++;

n = 0;

while (Py_ISDIGIT(*f))

n = (n*10) + *f++ - '0';

}

while (*f && *f != '%' && !Py_ISALPHA(*f))

f++;

/* handle the long flag, but only for %ld and %lu.

if (*f == 'l' && (f[1] == 'd' || f[1] == 'u')) {

longflag = 1;

++f;

}

/* handle the size_t flag. */

if (*f == 'z' && (f[1] == 'd' || f[1] == 'u')) {

size_tflag = 1;

++f;

}

switch (*f) {

case 'c':

{

int c = va_arg(vargs, int);

/* c has been checked for overflow in the first step */

*s++ = (unsigned char)c;

break;

}

case 'd':

if (longflag)

sprintf(s, "%ld", va_arg(vargs, long));

else if (size_tflag)

sprintf(s, "%" PY_FORMAT_SIZE_T "d",

va_arg(vargs, Py_ssize_t));

else

sprintf(s, "%d", va_arg(vargs, int));

s += strlen(s);

break;

case 'u':

if (longflag)

sprintf(s, "%lu",

va_arg(vargs, unsigned long));

else if (size_tflag)

sprintf(s, "%" PY_FORMAT_SIZE_T "u",

va_arg(vargs, size_t));

else

sprintf(s, "%u",

va_arg(vargs, unsigned int));

s += strlen(s);

break;

case 'i':

sprintf(s, "%i", va_arg(vargs, int));

s += strlen(s);

break;

case 'x':

sprintf(s, "%x", va_arg(vargs, int));

s += strlen(s);

break;

case 's':

p = va_arg(vargs, char*);

i = strlen(p);

if (n > 0 && i > n)

i = n;

Py_MEMCPY(s, p, i);

s += i;

break;

case 'p':

sprintf(s, "%p", va_arg(vargs, void*));

/* %p is ill-defined: ensure leading 0x. */

if (s[1] == 'X')

s[1] = 'x';

else if (s[1] != 'x') {

memmove(s+2, s, strlen(s)+1);

s[0] = '0';

s[1] = 'x';

}

s += strlen(s);

break;

case '%':

*s++ = '%';

break;

default:

strcpy(s, p);

s += strlen(s);

goto end;

}

} else

*s++ = *f;

}

end:

_PyBytes_Resize(&string, s - PyBytes_AS_STRING(string));

return string;

}

PyObject *

PyBytes_FromFormat(const char *format, ...)

{

PyObject* ret;

va_list vargs;

#ifdef HAVE_STDARG_PROTOTYPES

va_start(vargs, format);

va_start(vargs);

ret = PyBytes_FromFormatV(format, vargs);

va_end(vargs);

return ret;

}

static void

bytes_dealloc(PyObject *op)

{

Py_TYPE(op)->tp_free(op);

}

PyObject *PyBytes_DecodeEscape(const char *s,

const char *recode_encoding)

{

int c;

char *p, *buf;

const char *end;

PyObject *v;

Py_ssize_t newlen = recode_encoding ? 4*len:len;

v = PyBytes_FromStringAndSize((char *)NULL, newlen);

if (v == NULL)

return NULL;

p = buf = PyBytes_AsString(v);

end = s + len;

while (s < end) {

if (*s != '\\') {

non_esc:

if (recode_encoding && (*s & 0x80)) {

PyObject *u, *w;

char *r;

const char* t;

Py_ssize_t rn;

t = s;

/* Decode non-ASCII bytes as UTF-8. */

while (t < end && (*t & 0x80)) t++;

u = PyUnicode_DecodeUTF8(s, t - s, errors);

if(!u) goto failed;

/* Recode them in target encoding. */

w = PyUnicode_AsEncodedString(

u, recode_encoding, errors);

Py_DECREF(u);

if (!w) goto failed;

/* Append bytes to output buffer. */

assert(PyBytes_Check(w));

r = PyBytes_AS_STRING(w);

rn = PyBytes_GET_SIZE(w);

Py_MEMCPY(p, r, rn);

p += rn;

Py_DECREF(w);

s = t;

} else {

*p++ = *s++;

}

continue;

}

s++;

if (s==end) {

PyErr_SetString(PyExc_ValueError,

"Trailing \\ in string");

goto failed;

}

switch (*s++) {

/* XXX This assumes ASCII! */

case '\n': break;

case '\\': *p++ = '\\'; break;

case '\'': *p++ = '\''; break;

case '\"': *p++ = '\"'; break;

case 'b': *p++ = '\b'; break;

case 'f': *p++ = '\014'; break; /* FF */

case 't': *p++ = '\t'; break;

case 'n': *p++ = '\n'; break;

case 'r': *p++ = '\r'; break;

case 'v': *p++ = '\013'; break; /* VT */

case 'a': *p++ = '\007'; break; /* BEL, not classic C */

case '0': case '1': case '2': case '3':

case '4': case '5': case '6': case '7':

c = s[-1] - '0';

if (s < end && '0' <= *s && *s <= '7') {

c = (c<<3) + *s++ - '0';

if (s < end && '0' <= *s && *s <= '7')

c = (c<<3) + *s++ - '0';

}

*p++ = c;

break;

case 'x':

if (s+1 < end && Py_ISXDIGIT(s[0]) && Py_ISXDIGIT(s[1])) {

unsigned int x = 0;

c = Py_CHARMASK(*s);

s++;

if (Py_ISDIGIT(c))

x = c - '0';

else if (Py_ISLOWER(c))

x = 10 + c - 'a';

else

x = 10 + c - 'A';

x = x << 4;

c = Py_CHARMASK(*s);

s++;

if (Py_ISDIGIT(c))

x += c - '0';

else if (Py_ISLOWER(c))

x += 10 + c - 'a';

else

x += 10 + c - 'A';

*p++ = x;

break;

}

if (!errors || strcmp(errors, "strict") == 0) {

PyErr_Format(PyExc_ValueError,

"invalid \\x escape at position %d",

s - 2 - (end - len));

goto failed;

}

if (strcmp(errors, "replace") == 0) {

*p++ = '?';

} else if (strcmp(errors, "ignore") == 0)

/* do nothing */;

else {

PyErr_Format(PyExc_ValueError,

"decoding error; unknown "

"error handling code: %.400s",

errors);

goto failed;

}

/* skip \x */

if (s < end && Py_ISXDIGIT(s[0]))

s++; /* and a hexdigit */

break;

default:

*p++ = '\\';

s--;

goto non_esc; /* an arbitrary number of unescaped

}

}

if (p-buf < newlen)

_PyBytes_Resize(&v, p - buf);

return v;

failed:

Py_DECREF(v);

return NULL;

}

PyBytes_Size(PyObject *op)

{

if (!PyBytes_Check(op)) {

PyErr_Format(PyExc_TypeError,

"expected bytes, %.200s found", Py_TYPE(op)->tp_name);

return -1;

}

return Py_SIZE(op);

}

char *

PyBytes_AsString(PyObject *op)

{

if (!PyBytes_Check(op)) {

PyErr_Format(PyExc_TypeError,

"expected bytes, %.200s found", Py_TYPE(op)->tp_name);

return NULL;

}

return ((PyBytesObject *)op)->ob_sval;

}

PyBytes_AsStringAndSize(PyObject *obj,

char **s,

Py_ssize_t *len)

{

if (s == NULL) {

PyErr_BadInternalCall();

return -1;

}

if (!PyBytes_Check(obj)) {

PyErr_Format(PyExc_TypeError,

"expected bytes, %.200s found", Py_TYPE(obj)->tp_name);

return -1;

}

*s = PyBytes_AS_STRING(obj);

if (len != NULL)

*len = PyBytes_GET_SIZE(obj);

else if (strlen(*s) != (size_t)PyBytes_GET_SIZE(obj)) {

PyErr_SetString(PyExc_TypeError,

"expected bytes with no null");

return -1;

}

return 0;

}

#include "stringlib/stringdefs.h"

#include "stringlib/fastsearch.h"

#include "stringlib/count.h"

#include "stringlib/find.h"

#include "stringlib/join.h"

#include "stringlib/partition.h"

#include "stringlib/split.h"

#include "stringlib/ctype.h"

#include "stringlib/transmogrify.h"

PyObject *

PyBytes_Repr(PyObject *obj, int smartquotes)

{

PyBytesObject* op = (PyBytesObject*) obj;

Py_ssize_t i, length = Py_SIZE(op);

Py_ssize_t newsize, squotes, dquotes;

PyObject *v;

unsigned char quote, *s, *p;

/* Compute size of output string */

squotes = dquotes = 0;

newsize = 3; /* b'' */

s = (unsigned char*)op->ob_sval;

for (i = 0; i < length; i++) {

Py_ssize_t incr = 1;

switch(s[i]) {

case '\'': squotes++; break;

case '"': dquotes++; break;

case '\\': case '\t': case '\n': case '\r':

incr = 2; break; /* \C */

default:

if (s[i] < ' ' || s[i] >= 0x7f)

incr = 4; /* \xHH */

}

if (newsize > PY_SSIZE_T_MAX - incr)

goto overflow;

newsize += incr;

}

quote = '\'';

if (smartquotes && squotes && !dquotes)

quote = '"';

if (squotes && quote == '\'') {

if (newsize > PY_SSIZE_T_MAX - squotes)

goto overflow;

newsize += squotes;

}

v = PyUnicode_New(newsize, 127);

if (v == NULL) {

return NULL;

}

p = PyUnicode_1BYTE_DATA(v);

*p++ = 'b', *p++ = quote;

for (i = 0; i < length; i++) {

unsigned char c = op->ob_sval[i];

if (c == quote || c == '\\')

*p++ = '\\', *p++ = c;

else if (c == '\t')

*p++ = '\\', *p++ = 't';

else if (c == '\n')

*p++ = '\\', *p++ = 'n';

else if (c == '\r')

*p++ = '\\', *p++ = 'r';

else if (c < ' ' || c >= 0x7f) {

*p++ = '\\';

*p++ = 'x';

*p++ = Py_hexdigits[(c & 0xf0) >> 4];

*p++ = Py_hexdigits[c & 0xf];

}

else

*p++ = c;

}

*p++ = quote;

assert(_PyUnicode_CheckConsistency(v, 1));

return v;

overflow:

PyErr_SetString(PyExc_OverflowError,

"bytes object is too large to make repr");

return NULL;

}

static PyObject *

bytes_repr(PyObject *op)

{

return PyBytes_Repr(op, 1);

}

static PyObject *

bytes_str(PyObject *op)

{

if (Py_BytesWarningFlag) {

if (PyErr_WarnEx(PyExc_BytesWarning,

"str() on a bytes instance", 1))

return NULL;

}

return bytes_repr(op);

}

static Py_ssize_t

bytes_length(PyBytesObject *a)

{

return Py_SIZE(a);

}

static PyObject *

bytes_concat(PyObject *a, PyObject *b)

{

Py_ssize_t size;

Py_buffer va, vb;

PyObject *result = NULL;

va.len = -1;

vb.len = -1;

if (PyObject_GetBuffer(a, &va, PyBUF_SIMPLE) != 0 ||

PyObject_GetBuffer(b, &vb, PyBUF_SIMPLE) != 0) {

PyErr_Format(PyExc_TypeError, "can't concat %.100s to %.100s",

Py_TYPE(a)->tp_name, Py_TYPE(b)->tp_name);

goto done;

}

/* Optimize end cases */

if (va.len == 0 && PyBytes_CheckExact(b)) {

result = b;

Py_INCREF(result);

goto done;

}

if (vb.len == 0 && PyBytes_CheckExact(a)) {

result = a;

Py_INCREF(result);

goto done;

}

size = va.len + vb.len;

if (size < 0) {

PyErr_NoMemory();

goto done;

}

result = PyBytes_FromStringAndSize(NULL, size);

if (result != NULL) {

memcpy(PyBytes_AS_STRING(result), va.buf, va.len);

memcpy(PyBytes_AS_STRING(result) + va.len, vb.buf, vb.len);

}

done:

if (va.len != -1)

PyBuffer_Release(&va);

if (vb.len != -1)

PyBuffer_Release(&vb);

return result;

}

static PyObject *

bytes_repeat(PyBytesObject *a, Py_ssize_t n)

{

Py_ssize_t i;

Py_ssize_t j;

Py_ssize_t size;

PyBytesObject *op;

size_t nbytes;

if (n < 0)

n = 0;

/* watch out for overflows: the size can overflow int,

if (n > 0 && Py_SIZE(a) > PY_SSIZE_T_MAX / n) {

PyErr_SetString(PyExc_OverflowError,

"repeated bytes are too long");

return NULL;

}

size = Py_SIZE(a) * n;

if (size == Py_SIZE(a) && PyBytes_CheckExact(a)) {

Py_INCREF(a);

return (PyObject *)a;

}

nbytes = (size_t)size;

if (nbytes + PyBytesObject_SIZE <= nbytes) {

PyErr_SetString(PyExc_OverflowError,

"repeated bytes are too long");

return NULL;

}

op = (PyBytesObject *)PyObject_MALLOC(PyBytesObject_SIZE + nbytes);

if (op == NULL)

return PyErr_NoMemory();

(void)PyObject_INIT_VAR(op, &PyBytes_Type, size);

op->ob_shash = -1;

op->ob_sval[size] = '\0';

if (Py_SIZE(a) == 1 && n > 0) {

memset(op->ob_sval, a->ob_sval[0] , n);

return (PyObject *) op;

}

i = 0;

if (i < size) {

Py_MEMCPY(op->ob_sval, a->ob_sval, Py_SIZE(a));

i = Py_SIZE(a);

}

while (i < size) {

j = (i <= size-i) ? i : size-i;

Py_MEMCPY(op->ob_sval+i, op->ob_sval, j);

i += j;

}

return (PyObject *) op;

}

static int

bytes_contains(PyObject *self, PyObject *arg)

{

Py_ssize_t ival = PyNumber_AsSsize_t(arg, PyExc_ValueError);

if (ival == -1 && PyErr_Occurred()) {

Py_buffer varg;

Py_ssize_t pos;

PyErr_Clear();

if (PyObject_GetBuffer(arg, &varg, PyBUF_SIMPLE) != 0)

return -1;

pos = stringlib_find(PyBytes_AS_STRING(self), Py_SIZE(self),

varg.buf, varg.len, 0);

PyBuffer_Release(&varg);

return pos >= 0;

}

if (ival < 0 || ival >= 256) {

PyErr_SetString(PyExc_ValueError, "byte must be in range(0, 256)");

return -1;

}

return memchr(PyBytes_AS_STRING(self), (int) ival, Py_SIZE(self)) != NULL;

}

static PyObject *

bytes_item(PyBytesObject *a, Py_ssize_t i)

{

if (i < 0 || i >= Py_SIZE(a)) {

PyErr_SetString(PyExc_IndexError, "index out of range");

return NULL;

}

return PyLong_FromLong((unsigned char)a->ob_sval[i]);

}

Py_LOCAL(int)

bytes_compare_eq(PyBytesObject *a, PyBytesObject *b)

{

int cmp;

Py_ssize_t len;

len = Py_SIZE(a);

if (Py_SIZE(b) != len)

return 0;

if (a->ob_sval[0] != b->ob_sval[0])

return 0;

cmp = memcmp(a->ob_sval, b->ob_sval, len);

return (cmp == 0);

}

static PyObject*

bytes_richcompare(PyBytesObject *a, PyBytesObject *b, int op)

{

int c;

Py_ssize_t len_a, len_b;

Py_ssize_t min_len;

PyObject *result;

int rc;

/* Make sure both arguments are strings. */

if (!(PyBytes_Check(a) && PyBytes_Check(b))) {

if (Py_BytesWarningFlag && (op == Py_EQ || op == Py_NE)) {

rc = PyObject_IsInstance((PyObject*)a,

(PyObject*)&PyUnicode_Type);

if (!rc)

rc = PyObject_IsInstance((PyObject*)b,

(PyObject*)&PyUnicode_Type);

if (rc < 0)

return NULL;

if (rc) {

if (PyErr_WarnEx(PyExc_BytesWarning,

"Comparison between bytes and string", 1))

return NULL;

}

}

result = Py_NotImplemented;

}

else if (a == b) {

switch (op) {

case Py_EQ:

case Py_LE:

case Py_GE:

/* a string is equal to itself */

result = Py_True;

break;

case Py_NE:

case Py_LT:

case Py_GT:

result = Py_False;

break;

default:

PyErr_BadArgument();

return NULL;

}

}

else if (op == Py_EQ || op == Py_NE) {

int eq = bytes_compare_eq(a, b);

eq ^= (op == Py_NE);

result = eq ? Py_True : Py_False;

}

else {

len_a = Py_SIZE(a);

len_b = Py_SIZE(b);

min_len = Py_MIN(len_a, len_b);

if (min_len > 0) {

c = Py_CHARMASK(*a->ob_sval) - Py_CHARMASK(*b->ob_sval);

if (c == 0)

c = memcmp(a->ob_sval, b->ob_sval, min_len);

}

else

c = 0;

if (c == 0)

c = (len_a < len_b) ? -1 : (len_a > len_b) ? 1 : 0;

switch (op) {

case Py_LT: c = c < 0; break;

case Py_LE: c = c <= 0; break;

case Py_GT: c = c > 0; break;

case Py_GE: c = c >= 0; break;

default:

PyErr_BadArgument();

return NULL;

}

result = c ? Py_True : Py_False;

}

Py_INCREF(result);

return result;

}

static Py_hash_t

bytes_hash(PyBytesObject *a)

{

if (a->ob_shash == -1) {

/* Can't fail */

a->ob_shash = _Py_HashBytes(a->ob_sval, Py_SIZE(a));

}

return a->ob_shash;

}

static PyObject*

bytes_subscript(PyBytesObject* self, PyObject* item)

{

if (PyIndex_Check(item)) {

Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);

if (i == -1 && PyErr_Occurred())

return NULL;

if (i < 0)

i += PyBytes_GET_SIZE(self);

if (i < 0 || i >= PyBytes_GET_SIZE(self)) {

PyErr_SetString(PyExc_IndexError,

"index out of range");

return NULL;

}

return PyLong_FromLong((unsigned char)self->ob_sval[i]);

}

else if (PySlice_Check(item)) {

Py_ssize_t start, stop, step, slicelength, cur, i;

char* source_buf;

char* result_buf;

PyObject* result;

if (PySlice_GetIndicesEx(item,

PyBytes_GET_SIZE(self),

&start, &stop, &step, &slicelength) < 0) {

return NULL;

}

if (slicelength <= 0) {

return PyBytes_FromStringAndSize("", 0);

}

else if (start == 0 && step == 1 &&

slicelength == PyBytes_GET_SIZE(self) &&

PyBytes_CheckExact(self)) {

Py_INCREF(self);

return (PyObject *)self;

}

else if (step == 1) {

return PyBytes_FromStringAndSize(

PyBytes_AS_STRING(self) + start,

slicelength);

}

else {

source_buf = PyBytes_AS_STRING(self);

result = PyBytes_FromStringAndSize(NULL, slicelength);

if (result == NULL)

return NULL;

result_buf = PyBytes_AS_STRING(result);

for (cur = start, i = 0; i < slicelength;

cur += step, i++) {

result_buf[i] = source_buf[cur];

}

return result;

}

}

else {

PyErr_Format(PyExc_TypeError,

"byte indices must be integers, not %.200s",

Py_TYPE(item)->tp_name);

return NULL;

}

}

static int

bytes_buffer_getbuffer(PyBytesObject *self, Py_buffer *view, int flags)

{

return PyBuffer_FillInfo(view, (PyObject*)self, (void *)self->ob_sval, Py_SIZE(self),

1, flags);

}

static PySequenceMethods bytes_as_sequence = {

(lenfunc)bytes_length, /*sq_length*/

(binaryfunc)bytes_concat, /*sq_concat*/

(ssizeargfunc)bytes_repeat, /*sq_repeat*/

(ssizeargfunc)bytes_item, /*sq_item*/

0, /*sq_slice*/

0, /*sq_ass_item*/

0, /*sq_ass_slice*/

(objobjproc)bytes_contains /*sq_contains*/

};

static PyMappingMethods bytes_as_mapping = {

(lenfunc)bytes_length,

(binaryfunc)bytes_subscript,

0,

};

static PyBufferProcs bytes_as_buffer = {

(getbufferproc)bytes_buffer_getbuffer,

NULL,

};

#define LEFTSTRIP 0

#define RIGHTSTRIP 1

#define BOTHSTRIP 2