PyAPI_FUNC(void) PyBytes_ConcatAndDel(PyObject **, PyObject *);
#ifndef Py_LIMITED_API
PyAPI_FUNC(int) _PyBytes_Resize(PyObject **, Py_ssize_t);
-PyAPI_FUNC(PyObject *) _PyBytes_FormatLong(PyObject*, int, int,
- int, char**, int*);
#endif
PyAPI_FUNC(PyObject *) PyBytes_DecodeEscape(const char *, Py_ssize_t,
const char *, Py_ssize_t,
return 0;
}
-/* _PyBytes_FormatLong emulates the format codes d, u, o, x and X, and
- * the F_ALT flag, for Python's long (unbounded) ints. It's not used for
- * Python's regular ints.
- * Return value: a new PyBytes*, or NULL if error.
- * . *pbuf is set to point into it,
- * *plen set to the # of chars following that.
- * Caller must decref it when done using pbuf.
- * The string starting at *pbuf is of the form
- * "-"? ("0x" | "0X")? digit+
- * "0x"/"0X" are present only for x and X conversions, with F_ALT
- * set in flags. The case of hex digits will be correct,
- * There will be at least prec digits, zero-filled on the left if
- * necessary to get that many.
- * val object to be converted
- * flags bitmask of format flags; only F_ALT is looked at
- * prec minimum number of digits; 0-fill on left if needed
- * type a character in [duoxX]; u acts the same as d
- *
- * CAUTION: o, x and X conversions on regular ints can never
- * produce a '-' sign, but can for Python's unbounded ints.
- */
-PyObject*
-_PyBytes_FormatLong(PyObject *val, int flags, int prec, int type,
- char **pbuf, int *plen)
-{
- PyObject *result = NULL;
- char *buf;
- Py_ssize_t i;
- int sign; /* 1 if '-', else 0 */
- int len; /* number of characters */
- Py_ssize_t llen;
- int numdigits; /* len == numnondigits + numdigits */
- int numnondigits = 0;
-
- /* Avoid exceeding SSIZE_T_MAX */
- if (prec > INT_MAX-3) {
- PyErr_SetString(PyExc_OverflowError,
- "precision too large");
- return NULL;
- }
-
- switch (type) {
- case 'd':
- case 'u':
- /* Special-case boolean: we want 0/1 */
- if (PyBool_Check(val))
- result = PyNumber_ToBase(val, 10);
- else
- result = Py_TYPE(val)->tp_str(val);
- break;
- case 'o':
- numnondigits = 2;
- result = PyNumber_ToBase(val, 8);
- break;
- case 'x':
- case 'X':
- numnondigits = 2;
- result = PyNumber_ToBase(val, 16);
- break;
- default:
- assert(!"'type' not in [duoxX]");
- }
- if (!result)
- return NULL;
-
- buf = _PyUnicode_AsString(result);
- if (!buf) {
- Py_DECREF(result);
- return NULL;
- }
-
- /* To modify the string in-place, there can only be one reference. */
- if (Py_REFCNT(result) != 1) {
- PyErr_BadInternalCall();
- return NULL;
- }
- llen = PyUnicode_GetLength(result);
- if (llen > INT_MAX) {
- PyErr_SetString(PyExc_ValueError,
- "string too large in _PyBytes_FormatLong");
- return NULL;
- }
- len = (int)llen;
- if (buf[len-1] == 'L') {
- --len;
- buf[len] = '\0';
- }
- sign = buf[0] == '-';
- numnondigits += sign;
- numdigits = len - numnondigits;
- assert(numdigits > 0);
-
- /* Get rid of base marker unless F_ALT */
- if (((flags & F_ALT) == 0 &&
- (type == 'o' || type == 'x' || type == 'X'))) {
- assert(buf[sign] == '0');
- assert(buf[sign+1] == 'x' || buf[sign+1] == 'X' ||
- buf[sign+1] == 'o');
- numnondigits -= 2;
- buf += 2;
- len -= 2;
- if (sign)
- buf[0] = '-';
- assert(len == numnondigits + numdigits);
- assert(numdigits > 0);
- }
-
- /* Fill with leading zeroes to meet minimum width. */
- if (prec > numdigits) {
- PyObject *r1 = PyBytes_FromStringAndSize(NULL,
- numnondigits + prec);
- char *b1;
- if (!r1) {
- Py_DECREF(result);
- return NULL;
- }
- b1 = PyBytes_AS_STRING(r1);
- for (i = 0; i < numnondigits; ++i)
- *b1++ = *buf++;
- for (i = 0; i < prec - numdigits; i++)
- *b1++ = '0';
- for (i = 0; i < numdigits; i++)
- *b1++ = *buf++;
- *b1 = '\0';
- Py_DECREF(result);
- result = r1;
- buf = PyBytes_AS_STRING(result);
- len = numnondigits + prec;
- }
-
- /* Fix up case for hex conversions. */
- if (type == 'X') {
- /* Need to convert all lower case letters to upper case.
- and need to convert 0x to 0X (and -0x to -0X). */
- for (i = 0; i < len; i++)
- if (buf[i] >= 'a' && buf[i] <= 'x')
- buf[i] -= 'a'-'A';
- }
- *pbuf = buf;
- *plen = len;
- return result;
-}
-
void
PyBytes_Fini(void)
{
return result;
}
+/* formatlong() emulates the format codes d, u, o, x and X, and
+ * the F_ALT flag, for Python's long (unbounded) ints. It's not used for
+ * Python's regular ints.
+ * Return value: a new PyUnicodeObject*, or NULL if error.
+ * The output string is of the form
+ * "-"? ("0x" | "0X")? digit+
+ * "0x"/"0X" are present only for x and X conversions, with F_ALT
+ * set in flags. The case of hex digits will be correct,
+ * There will be at least prec digits, zero-filled on the left if
+ * necessary to get that many.
+ * val object to be converted
+ * flags bitmask of format flags; only F_ALT is looked at
+ * prec minimum number of digits; 0-fill on left if needed
+ * type a character in [duoxX]; u acts the same as d
+ *
+ * CAUTION: o, x and X conversions on regular ints can never
+ * produce a '-' sign, but can for Python's unbounded ints.
+ */
static PyObject*
formatlong(PyObject *val, int flags, int prec, int type)
{
+ PyObject *result = NULL;
char *buf;
- int len;
- PyObject *str; /* temporary string object. */
- PyObject *result;
+ Py_ssize_t i;
+ int sign; /* 1 if '-', else 0 */
+ int len; /* number of characters */
+ Py_ssize_t llen;
+ int numdigits; /* len == numnondigits + numdigits */
+ int numnondigits = 0;
+
+ /* Avoid exceeding SSIZE_T_MAX */
+ if (prec > INT_MAX-3) {
+ PyErr_SetString(PyExc_OverflowError,
+ "precision too large");
+ return NULL;
+ }
- str = _PyBytes_FormatLong(val, flags, prec, type, &buf, &len);
- if (!str)
+ assert(PyLong_Check(val));
+
+ switch (type) {
+ case 'd':
+ case 'u':
+ /* Special-case boolean: we want 0/1 */
+ result = Py_TYPE(val)->tp_str(val);
+ break;
+ case 'o':
+ numnondigits = 2;
+ result = PyNumber_ToBase(val, 8);
+ break;
+ case 'x':
+ case 'X':
+ numnondigits = 2;
+ result = PyNumber_ToBase(val, 16);
+ break;
+ default:
+ assert(!"'type' not in [duoxX]");
+ }
+ if (!result)
return NULL;
- result = PyUnicode_DecodeASCII(buf, len, NULL);
- Py_DECREF(str);
+
+ assert(unicode_modifiable(result));
+ assert(PyUnicode_IS_READY(result));
+ assert(PyUnicode_IS_ASCII(result));
+
+ /* To modify the string in-place, there can only be one reference. */
+ if (Py_REFCNT(result) != 1) {
+ PyErr_BadInternalCall();
+ return NULL;
+ }
+ buf = PyUnicode_DATA(result);
+ llen = PyUnicode_GET_LENGTH(result);
+ if (llen > INT_MAX) {
+ PyErr_SetString(PyExc_ValueError,
+ "string too large in _PyBytes_FormatLong");
+ return NULL;
+ }
+ len = (int)llen;
+ sign = buf[0] == '-';
+ numnondigits += sign;
+ numdigits = len - numnondigits;
+ assert(numdigits > 0);
+
+ /* Get rid of base marker unless F_ALT */
+ if (((flags & F_ALT) == 0 &&
+ (type == 'o' || type == 'x' || type == 'X'))) {
+ assert(buf[sign] == '0');
+ assert(buf[sign+1] == 'x' || buf[sign+1] == 'X' ||
+ buf[sign+1] == 'o');
+ numnondigits -= 2;
+ buf += 2;
+ len -= 2;
+ if (sign)
+ buf[0] = '-';
+ assert(len == numnondigits + numdigits);
+ assert(numdigits > 0);
+ }
+
+ /* Fill with leading zeroes to meet minimum width. */
+ if (prec > numdigits) {
+ PyObject *r1 = PyBytes_FromStringAndSize(NULL,
+ numnondigits + prec);
+ char *b1;
+ if (!r1) {
+ Py_DECREF(result);
+ return NULL;
+ }
+ b1 = PyBytes_AS_STRING(r1);
+ for (i = 0; i < numnondigits; ++i)
+ *b1++ = *buf++;
+ for (i = 0; i < prec - numdigits; i++)
+ *b1++ = '0';
+ for (i = 0; i < numdigits; i++)
+ *b1++ = *buf++;
+ *b1 = '\0';
+ Py_DECREF(result);
+ result = r1;
+ buf = PyBytes_AS_STRING(result);
+ len = numnondigits + prec;
+ }
+
+ /* Fix up case for hex conversions. */
+ if (type == 'X') {
+ /* Need to convert all lower case letters to upper case.
+ and need to convert 0x to 0X (and -0x to -0X). */
+ for (i = 0; i < len; i++)
+ if (buf[i] >= 'a' && buf[i] <= 'x')
+ buf[i] -= 'a'-'A';
+ }
+ if (!PyUnicode_Check(result) || len != PyUnicode_GET_LENGTH(result)) {
+ PyObject *unicode;
+ unicode = unicode_fromascii((unsigned char *)buf, len);
+ Py_DECREF(result);
+ result = unicode;
+ }
return result;
}
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