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-rw-r--r--Modules/arraymodule.c3036
1 files changed, 1518 insertions, 1518 deletions
diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c
index cb7ba8e6fe..b6cffa01ea 100644
--- a/Modules/arraymodule.c
+++ b/Modules/arraymodule.c
@@ -11,7 +11,7 @@
#include <stddef.h>
#else /* !STDC_HEADERS */
#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h> /* For size_t */
+#include <sys/types.h> /* For size_t */
#endif /* HAVE_SYS_TYPES_H */
#endif /* !STDC_HEADERS */
@@ -22,20 +22,20 @@ struct arrayobject; /* Forward */
* functions aren't visible yet.
*/
struct arraydescr {
- int typecode;
- int itemsize;
- PyObject * (*getitem)(struct arrayobject *, Py_ssize_t);
- int (*setitem)(struct arrayobject *, Py_ssize_t, PyObject *);
- char *formats;
+ int typecode;
+ int itemsize;
+ PyObject * (*getitem)(struct arrayobject *, Py_ssize_t);
+ int (*setitem)(struct arrayobject *, Py_ssize_t, PyObject *);
+ char *formats;
};
typedef struct arrayobject {
- PyObject_VAR_HEAD
- char *ob_item;
- Py_ssize_t allocated;
- struct arraydescr *ob_descr;
- PyObject *weakreflist; /* List of weak references */
- int ob_exports; /* Number of exported buffers */
+ PyObject_VAR_HEAD
+ char *ob_item;
+ Py_ssize_t allocated;
+ struct arraydescr *ob_descr;
+ PyObject *weakreflist; /* List of weak references */
+ int ob_exports; /* Number of exported buffers */
} arrayobject;
static PyTypeObject Arraytype;
@@ -46,63 +46,63 @@ static PyTypeObject Arraytype;
static int
array_resize(arrayobject *self, Py_ssize_t newsize)
{
- char *items;
- size_t _new_size;
-
- if (self->ob_exports > 0 && newsize != Py_SIZE(self)) {
- PyErr_SetString(PyExc_BufferError,
- "cannot resize an array that is exporting buffers");
- return -1;
- }
-
- /* Bypass realloc() when a previous overallocation is large enough
- to accommodate the newsize. If the newsize is 16 smaller than the
- current size, then proceed with the realloc() to shrink the array.
- */
-
- if (self->allocated >= newsize &&
- Py_SIZE(self) < newsize + 16 &&
- self->ob_item != NULL) {
- Py_SIZE(self) = newsize;
- return 0;
- }
-
- if (newsize == 0) {
- PyMem_FREE(self->ob_item);
- self->ob_item = NULL;
- Py_SIZE(self) = 0;
- self->allocated = 0;
- return 0;
- }
-
- /* This over-allocates proportional to the array size, making room
- * for additional growth. The over-allocation is mild, but is
- * enough to give linear-time amortized behavior over a long
- * sequence of appends() in the presence of a poorly-performing
- * system realloc().
- * The growth pattern is: 0, 4, 8, 16, 25, 34, 46, 56, 67, 79, ...
- * Note, the pattern starts out the same as for lists but then
- * grows at a smaller rate so that larger arrays only overallocate
- * by about 1/16th -- this is done because arrays are presumed to be more
- * memory critical.
- */
-
- _new_size = (newsize >> 4) + (Py_SIZE(self) < 8 ? 3 : 7) + newsize;
- items = self->ob_item;
- /* XXX The following multiplication and division does not optimize away
- like it does for lists since the size is not known at compile time */
- if (_new_size <= ((~(size_t)0) / self->ob_descr->itemsize))
- PyMem_RESIZE(items, char, (_new_size * self->ob_descr->itemsize));
- else
- items = NULL;
- if (items == NULL) {
- PyErr_NoMemory();
- return -1;
- }
- self->ob_item = items;
- Py_SIZE(self) = newsize;
- self->allocated = _new_size;
- return 0;
+ char *items;
+ size_t _new_size;
+
+ if (self->ob_exports > 0 && newsize != Py_SIZE(self)) {
+ PyErr_SetString(PyExc_BufferError,
+ "cannot resize an array that is exporting buffers");
+ return -1;
+ }
+
+ /* Bypass realloc() when a previous overallocation is large enough
+ to accommodate the newsize. If the newsize is 16 smaller than the
+ current size, then proceed with the realloc() to shrink the array.
+ */
+
+ if (self->allocated >= newsize &&
+ Py_SIZE(self) < newsize + 16 &&
+ self->ob_item != NULL) {
+ Py_SIZE(self) = newsize;
+ return 0;
+ }
+
+ if (newsize == 0) {
+ PyMem_FREE(self->ob_item);
+ self->ob_item = NULL;
+ Py_SIZE(self) = 0;
+ self->allocated = 0;
+ return 0;
+ }
+
+ /* This over-allocates proportional to the array size, making room
+ * for additional growth. The over-allocation is mild, but is
+ * enough to give linear-time amortized behavior over a long
+ * sequence of appends() in the presence of a poorly-performing
+ * system realloc().
+ * The growth pattern is: 0, 4, 8, 16, 25, 34, 46, 56, 67, 79, ...
+ * Note, the pattern starts out the same as for lists but then
+ * grows at a smaller rate so that larger arrays only overallocate
+ * by about 1/16th -- this is done because arrays are presumed to be more
+ * memory critical.
+ */
+
+ _new_size = (newsize >> 4) + (Py_SIZE(self) < 8 ? 3 : 7) + newsize;
+ items = self->ob_item;
+ /* XXX The following multiplication and division does not optimize away
+ like it does for lists since the size is not known at compile time */
+ if (_new_size <= ((~(size_t)0) / self->ob_descr->itemsize))
+ PyMem_RESIZE(items, char, (_new_size * self->ob_descr->itemsize));
+ else
+ items = NULL;
+ if (items == NULL) {
+ PyErr_NoMemory();
+ return -1;
+ }
+ self->ob_item = items;
+ Py_SIZE(self) = newsize;
+ self->allocated = _new_size;
+ return 0;
}
/****************************************************************************
@@ -120,289 +120,289 @@ in bounds; that's the responsibility of the caller.
static PyObject *
b_getitem(arrayobject *ap, Py_ssize_t i)
{
- long x = ((char *)ap->ob_item)[i];
- if (x >= 128)
- x -= 256;
- return PyLong_FromLong(x);
+ long x = ((char *)ap->ob_item)[i];
+ if (x >= 128)
+ x -= 256;
+ return PyLong_FromLong(x);
}
static int
b_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
{
- short x;
- /* PyArg_Parse's 'b' formatter is for an unsigned char, therefore
- must use the next size up that is signed ('h') and manually do
- the overflow checking */
- if (!PyArg_Parse(v, "h;array item must be integer", &x))
- return -1;
- else if (x < -128) {
- PyErr_SetString(PyExc_OverflowError,
- "signed char is less than minimum");
- return -1;
- }
- else if (x > 127) {
- PyErr_SetString(PyExc_OverflowError,
- "signed char is greater than maximum");
- return -1;
- }
- if (i >= 0)
- ((char *)ap->ob_item)[i] = (char)x;
- return 0;
+ short x;
+ /* PyArg_Parse's 'b' formatter is for an unsigned char, therefore
+ must use the next size up that is signed ('h') and manually do
+ the overflow checking */
+ if (!PyArg_Parse(v, "h;array item must be integer", &x))
+ return -1;
+ else if (x < -128) {
+ PyErr_SetString(PyExc_OverflowError,
+ "signed char is less than minimum");
+ return -1;
+ }
+ else if (x > 127) {
+ PyErr_SetString(PyExc_OverflowError,
+ "signed char is greater than maximum");
+ return -1;
+ }
+ if (i >= 0)
+ ((char *)ap->ob_item)[i] = (char)x;
+ return 0;
}
static PyObject *
BB_getitem(arrayobject *ap, Py_ssize_t i)
{
- long x = ((unsigned char *)ap->ob_item)[i];
- return PyLong_FromLong(x);
+ long x = ((unsigned char *)ap->ob_item)[i];
+ return PyLong_FromLong(x);
}
static int
BB_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
{
- unsigned char x;
- /* 'B' == unsigned char, maps to PyArg_Parse's 'b' formatter */
- if (!PyArg_Parse(v, "b;array item must be integer", &x))
- return -1;
- if (i >= 0)
- ((char *)ap->ob_item)[i] = x;
- return 0;
+ unsigned char x;
+ /* 'B' == unsigned char, maps to PyArg_Parse's 'b' formatter */
+ if (!PyArg_Parse(v, "b;array item must be integer", &x))
+ return -1;
+ if (i >= 0)
+ ((char *)ap->ob_item)[i] = x;
+ return 0;
}
static PyObject *
u_getitem(arrayobject *ap, Py_ssize_t i)
{
- return PyUnicode_FromUnicode(&((Py_UNICODE *) ap->ob_item)[i], 1);
+ return PyUnicode_FromUnicode(&((Py_UNICODE *) ap->ob_item)[i], 1);
}
static int
u_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
{
- Py_UNICODE *p;
- Py_ssize_t len;
+ Py_UNICODE *p;
+ Py_ssize_t len;
- if (!PyArg_Parse(v, "u#;array item must be unicode character", &p, &len))
- return -1;
- if (len != 1) {
- PyErr_SetString(PyExc_TypeError,
- "array item must be unicode character");
- return -1;
- }
- if (i >= 0)
- ((Py_UNICODE *)ap->ob_item)[i] = p[0];
- return 0;
+ if (!PyArg_Parse(v, "u#;array item must be unicode character", &p, &len))
+ return -1;
+ if (len != 1) {
+ PyErr_SetString(PyExc_TypeError,
+ "array item must be unicode character");
+ return -1;
+ }
+ if (i >= 0)
+ ((Py_UNICODE *)ap->ob_item)[i] = p[0];
+ return 0;
}
static PyObject *
h_getitem(arrayobject *ap, Py_ssize_t i)
{
- return PyLong_FromLong((long) ((short *)ap->ob_item)[i]);
+ return PyLong_FromLong((long) ((short *)ap->ob_item)[i]);
}
static int
h_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
{
- short x;
- /* 'h' == signed short, maps to PyArg_Parse's 'h' formatter */
- if (!PyArg_Parse(v, "h;array item must be integer", &x))
- return -1;
- if (i >= 0)
- ((short *)ap->ob_item)[i] = x;
- return 0;
+ short x;
+ /* 'h' == signed short, maps to PyArg_Parse's 'h' formatter */
+ if (!PyArg_Parse(v, "h;array item must be integer", &x))
+ return -1;
+ if (i >= 0)
+ ((short *)ap->ob_item)[i] = x;
+ return 0;
}
static PyObject *
HH_getitem(arrayobject *ap, Py_ssize_t i)
{
- return PyLong_FromLong((long) ((unsigned short *)ap->ob_item)[i]);
+ return PyLong_FromLong((long) ((unsigned short *)ap->ob_item)[i]);
}
static int
HH_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
{
- int x;
- /* PyArg_Parse's 'h' formatter is for a signed short, therefore
- must use the next size up and manually do the overflow checking */
- if (!PyArg_Parse(v, "i;array item must be integer", &x))
- return -1;
- else if (x < 0) {
- PyErr_SetString(PyExc_OverflowError,
- "unsigned short is less than minimum");
- return -1;
- }
- else if (x > USHRT_MAX) {
- PyErr_SetString(PyExc_OverflowError,
- "unsigned short is greater than maximum");
- return -1;
- }
- if (i >= 0)
- ((short *)ap->ob_item)[i] = (short)x;
- return 0;
+ int x;
+ /* PyArg_Parse's 'h' formatter is for a signed short, therefore
+ must use the next size up and manually do the overflow checking */
+ if (!PyArg_Parse(v, "i;array item must be integer", &x))
+ return -1;
+ else if (x < 0) {
+ PyErr_SetString(PyExc_OverflowError,
+ "unsigned short is less than minimum");
+ return -1;
+ }
+ else if (x > USHRT_MAX) {
+ PyErr_SetString(PyExc_OverflowError,
+ "unsigned short is greater than maximum");
+ return -1;
+ }
+ if (i >= 0)
+ ((short *)ap->ob_item)[i] = (short)x;
+ return 0;
}
static PyObject *
i_getitem(arrayobject *ap, Py_ssize_t i)
{
- return PyLong_FromLong((long) ((int *)ap->ob_item)[i]);
+ return PyLong_FromLong((long) ((int *)ap->ob_item)[i]);
}
static int
i_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
{
- int x;
- /* 'i' == signed int, maps to PyArg_Parse's 'i' formatter */
- if (!PyArg_Parse(v, "i;array item must be integer", &x))
- return -1;
- if (i >= 0)
- ((int *)ap->ob_item)[i] = x;
- return 0;
+ int x;
+ /* 'i' == signed int, maps to PyArg_Parse's 'i' formatter */
+ if (!PyArg_Parse(v, "i;array item must be integer", &x))
+ return -1;
+ if (i >= 0)
+ ((int *)ap->ob_item)[i] = x;
+ return 0;
}
static PyObject *
II_getitem(arrayobject *ap, Py_ssize_t i)
{
- return PyLong_FromUnsignedLong(
- (unsigned long) ((unsigned int *)ap->ob_item)[i]);
+ return PyLong_FromUnsignedLong(
+ (unsigned long) ((unsigned int *)ap->ob_item)[i]);
}
static int
II_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
{
- unsigned long x;
- if (PyLong_Check(v)) {
- x = PyLong_AsUnsignedLong(v);
- if (x == (unsigned long) -1 && PyErr_Occurred())
- return -1;
- }
- else {
- long y;
- if (!PyArg_Parse(v, "l;array item must be integer", &y))
- return -1;
- if (y < 0) {
- PyErr_SetString(PyExc_OverflowError,
- "unsigned int is less than minimum");
- return -1;
- }
- x = (unsigned long)y;
-
- }
- if (x > UINT_MAX) {
- PyErr_SetString(PyExc_OverflowError,
- "unsigned int is greater than maximum");
- return -1;
- }
-
- if (i >= 0)
- ((unsigned int *)ap->ob_item)[i] = (unsigned int)x;
- return 0;
+ unsigned long x;
+ if (PyLong_Check(v)) {
+ x = PyLong_AsUnsignedLong(v);
+ if (x == (unsigned long) -1 && PyErr_Occurred())
+ return -1;
+ }
+ else {
+ long y;
+ if (!PyArg_Parse(v, "l;array item must be integer", &y))
+ return -1;
+ if (y < 0) {
+ PyErr_SetString(PyExc_OverflowError,
+ "unsigned int is less than minimum");
+ return -1;
+ }
+ x = (unsigned long)y;
+
+ }
+ if (x > UINT_MAX) {
+ PyErr_SetString(PyExc_OverflowError,
+ "unsigned int is greater than maximum");
+ return -1;
+ }
+
+ if (i >= 0)
+ ((unsigned int *)ap->ob_item)[i] = (unsigned int)x;
+ return 0;
}
static PyObject *
l_getitem(arrayobject *ap, Py_ssize_t i)
{
- return PyLong_FromLong(((long *)ap->ob_item)[i]);
+ return PyLong_FromLong(((long *)ap->ob_item)[i]);
}
static int
l_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
{
- long x;
- if (!PyArg_Parse(v, "l;array item must be integer", &x))
- return -1;
- if (i >= 0)
- ((long *)ap->ob_item)[i] = x;
- return 0;
+ long x;
+ if (!PyArg_Parse(v, "l;array item must be integer", &x))
+ return -1;
+ if (i >= 0)
+ ((long *)ap->ob_item)[i] = x;
+ return 0;
}
static PyObject *
LL_getitem(arrayobject *ap, Py_ssize_t i)
{
- return PyLong_FromUnsignedLong(((unsigned long *)ap->ob_item)[i]);
+ return PyLong_FromUnsignedLong(((unsigned long *)ap->ob_item)[i]);
}
static int
LL_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
{
- unsigned long x;
- if (PyLong_Check(v)) {
- x = PyLong_AsUnsignedLong(v);
- if (x == (unsigned long) -1 && PyErr_Occurred())
- return -1;
- }
- else {
- long y;
- if (!PyArg_Parse(v, "l;array item must be integer", &y))
- return -1;
- if (y < 0) {
- PyErr_SetString(PyExc_OverflowError,
- "unsigned long is less than minimum");
- return -1;
- }
- x = (unsigned long)y;
-
- }
- if (x > ULONG_MAX) {
- PyErr_SetString(PyExc_OverflowError,
- "unsigned long is greater than maximum");
- return -1;
- }
-
- if (i >= 0)
- ((unsigned long *)ap->ob_item)[i] = x;
- return 0;
+ unsigned long x;
+ if (PyLong_Check(v)) {
+ x = PyLong_AsUnsignedLong(v);
+ if (x == (unsigned long) -1 && PyErr_Occurred())
+ return -1;
+ }
+ else {
+ long y;
+ if (!PyArg_Parse(v, "l;array item must be integer", &y))
+ return -1;
+ if (y < 0) {
+ PyErr_SetString(PyExc_OverflowError,
+ "unsigned long is less than minimum");
+ return -1;
+ }
+ x = (unsigned long)y;
+
+ }
+ if (x > ULONG_MAX) {
+ PyErr_SetString(PyExc_OverflowError,
+ "unsigned long is greater than maximum");
+ return -1;
+ }
+
+ if (i >= 0)
+ ((unsigned long *)ap->ob_item)[i] = x;
+ return 0;
}
static PyObject *
f_getitem(arrayobject *ap, Py_ssize_t i)
{
- return PyFloat_FromDouble((double) ((float *)ap->ob_item)[i]);
+ return PyFloat_FromDouble((double) ((float *)ap->ob_item)[i]);
}
static int
f_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
{
- float x;
- if (!PyArg_Parse(v, "f;array item must be float", &x))
- return -1;
- if (i >= 0)
- ((float *)ap->ob_item)[i] = x;
- return 0;
+ float x;
+ if (!PyArg_Parse(v, "f;array item must be float", &x))
+ return -1;
+ if (i >= 0)
+ ((float *)ap->ob_item)[i] = x;
+ return 0;
}
static PyObject *
d_getitem(arrayobject *ap, Py_ssize_t i)
{
- return PyFloat_FromDouble(((double *)ap->ob_item)[i]);
+ return PyFloat_FromDouble(((double *)ap->ob_item)[i]);
}
static int
d_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
{
- double x;
- if (!PyArg_Parse(v, "d;array item must be float", &x))
- return -1;
- if (i >= 0)
- ((double *)ap->ob_item)[i] = x;
- return 0;
+ double x;
+ if (!PyArg_Parse(v, "d;array item must be float", &x))
+ return -1;
+ if (i >= 0)
+ ((double *)ap->ob_item)[i] = x;
+ return 0;
}
/* Description of types */
static struct arraydescr descriptors[] = {
- {'b', 1, b_getitem, b_setitem, "b"},
- {'B', 1, BB_getitem, BB_setitem, "B"},
- {'u', sizeof(Py_UNICODE), u_getitem, u_setitem, "u"},
- {'h', sizeof(short), h_getitem, h_setitem, "h"},
- {'H', sizeof(short), HH_getitem, HH_setitem, "H"},
- {'i', sizeof(int), i_getitem, i_setitem, "i"},
- {'I', sizeof(int), II_getitem, II_setitem, "I"},
- {'l', sizeof(long), l_getitem, l_setitem, "l"},
- {'L', sizeof(long), LL_getitem, LL_setitem, "L"},
- {'f', sizeof(float), f_getitem, f_setitem, "f"},
- {'d', sizeof(double), d_getitem, d_setitem, "d"},
- {'\0', 0, 0, 0, 0} /* Sentinel */
+ {'b', 1, b_getitem, b_setitem, "b"},
+ {'B', 1, BB_getitem, BB_setitem, "B"},
+ {'u', sizeof(Py_UNICODE), u_getitem, u_setitem, "u"},
+ {'h', sizeof(short), h_getitem, h_setitem, "h"},
+ {'H', sizeof(short), HH_getitem, HH_setitem, "H"},
+ {'i', sizeof(int), i_getitem, i_setitem, "i"},
+ {'I', sizeof(int), II_getitem, II_setitem, "I"},
+ {'l', sizeof(long), l_getitem, l_setitem, "l"},
+ {'L', sizeof(long), LL_getitem, LL_setitem, "L"},
+ {'f', sizeof(float), f_getitem, f_setitem, "f"},
+ {'d', sizeof(double), d_getitem, d_setitem, "d"},
+ {'\0', 0, 0, 0, 0} /* Sentinel */
};
/****************************************************************************
@@ -412,79 +412,79 @@ Implementations of array object methods.
static PyObject *
newarrayobject(PyTypeObject *type, Py_ssize_t size, struct arraydescr *descr)
{
- arrayobject *op;
- size_t nbytes;
-
- if (size < 0) {
- PyErr_BadInternalCall();
- return NULL;
- }
-
- nbytes = size * descr->itemsize;
- /* Check for overflow */
- if (nbytes / descr->itemsize != (size_t)size) {
- return PyErr_NoMemory();
- }
- op = (arrayobject *) type->tp_alloc(type, 0);
- if (op == NULL) {
- return NULL;
- }
- op->ob_descr = descr;
- op->allocated = size;
- op->weakreflist = NULL;
- Py_SIZE(op) = size;
- if (size <= 0) {
- op->ob_item = NULL;
- }
- else {
- op->ob_item = PyMem_NEW(char, nbytes);
- if (op->ob_item == NULL) {
- Py_DECREF(op);
- return PyErr_NoMemory();
- }
- }
- op->ob_exports = 0;
- return (PyObject *) op;
+ arrayobject *op;
+ size_t nbytes;
+
+ if (size < 0) {
+ PyErr_BadInternalCall();
+ return NULL;
+ }
+
+ nbytes = size * descr->itemsize;
+ /* Check for overflow */
+ if (nbytes / descr->itemsize != (size_t)size) {
+ return PyErr_NoMemory();
+ }
+ op = (arrayobject *) type->tp_alloc(type, 0);
+ if (op == NULL) {
+ return NULL;
+ }
+ op->ob_descr = descr;
+ op->allocated = size;
+ op->weakreflist = NULL;
+ Py_SIZE(op) = size;
+ if (size <= 0) {
+ op->ob_item = NULL;
+ }
+ else {
+ op->ob_item = PyMem_NEW(char, nbytes);
+ if (op->ob_item == NULL) {
+ Py_DECREF(op);
+ return PyErr_NoMemory();
+ }
+ }
+ op->ob_exports = 0;
+ return (PyObject *) op;
}
static PyObject *
getarrayitem(PyObject *op, Py_ssize_t i)
{
- register arrayobject *ap;
- assert(array_Check(op));
- ap = (arrayobject *)op;
- assert(i>=0 && i<Py_SIZE(ap));
- return (*ap->ob_descr->getitem)(ap, i);
+ register arrayobject *ap;
+ assert(array_Check(op));
+ ap = (arrayobject *)op;
+ assert(i>=0 && i<Py_SIZE(ap));
+ return (*ap->ob_descr->getitem)(ap, i);
}
static int
ins1(arrayobject *self, Py_ssize_t where, PyObject *v)
{
- char *items;
- Py_ssize_t n = Py_SIZE(self);
- if (v == NULL) {
- PyErr_BadInternalCall();
- return -1;
- }
- if ((*self->ob_descr->setitem)(self, -1, v) < 0)
- return -1;
-
- if (array_resize(self, n+1) == -1)
- return -1;
- items = self->ob_item;
- if (where < 0) {
- where += n;
- if (where < 0)
- where = 0;
- }
- if (where > n)
- where = n;
- /* appends don't need to call memmove() */
- if (where != n)
- memmove(items + (where+1)*self->ob_descr->itemsize,
- items + where*self->ob_descr->itemsize,
- (n-where)*self->ob_descr->itemsize);
- return (*self->ob_descr->setitem)(self, where, v);
+ char *items;
+ Py_ssize_t n = Py_SIZE(self);
+ if (v == NULL) {
+ PyErr_BadInternalCall();
+ return -1;
+ }
+ if ((*self->ob_descr->setitem)(self, -1, v) < 0)
+ return -1;
+
+ if (array_resize(self, n+1) == -1)
+ return -1;
+ items = self->ob_item;
+ if (where < 0) {
+ where += n;
+ if (where < 0)
+ where = 0;
+ }
+ if (where > n)
+ where = n;
+ /* appends don't need to call memmove() */
+ if (where != n)
+ memmove(items + (where+1)*self->ob_descr->itemsize,
+ items + where*self->ob_descr->itemsize,
+ (n-where)*self->ob_descr->itemsize);
+ return (*self->ob_descr->setitem)(self, where, v);
}
/* Methods */
@@ -492,141 +492,141 @@ ins1(arrayobject *self, Py_ssize_t where, PyObject *v)
static void
array_dealloc(arrayobject *op)
{
- if (op->weakreflist != NULL)
- PyObject_ClearWeakRefs((PyObject *) op);
- if (op->ob_item != NULL)
- PyMem_DEL(op->ob_item);
- Py_TYPE(op)->tp_free((PyObject *)op);
+ if (op->weakreflist != NULL)
+ PyObject_ClearWeakRefs((PyObject *) op);
+ if (op->ob_item != NULL)
+ PyMem_DEL(op->ob_item);
+ Py_TYPE(op)->tp_free((PyObject *)op);
}
static PyObject *
array_richcompare(PyObject *v, PyObject *w, int op)
{
- arrayobject *va, *wa;
- PyObject *vi = NULL;
- PyObject *wi = NULL;
- Py_ssize_t i, k;
- PyObject *res;
-
- if (!array_Check(v) || !array_Check(w)) {
- Py_INCREF(Py_NotImplemented);
- return Py_NotImplemented;
- }
-
- va = (arrayobject *)v;
- wa = (arrayobject *)w;
-
- if (Py_SIZE(va) != Py_SIZE(wa) && (op == Py_EQ || op == Py_NE)) {
- /* Shortcut: if the lengths differ, the arrays differ */
- if (op == Py_EQ)
- res = Py_False;
- else
- res = Py_True;
- Py_INCREF(res);
- return res;
- }
-
- /* Search for the first index where items are different */
- k = 1;
- for (i = 0; i < Py_SIZE(va) && i < Py_SIZE(wa); i++) {
- vi = getarrayitem(v, i);
- wi = getarrayitem(w, i);
- if (vi == NULL || wi == NULL) {
- Py_XDECREF(vi);
- Py_XDECREF(wi);
- return NULL;
- }
- k = PyObject_RichCompareBool(vi, wi, Py_EQ);
- if (k == 0)
- break; /* Keeping vi and wi alive! */
- Py_DECREF(vi);
- Py_DECREF(wi);
- if (k < 0)
- return NULL;
- }
-
- if (k) {
- /* No more items to compare -- compare sizes */
- Py_ssize_t vs = Py_SIZE(va);
- Py_ssize_t ws = Py_SIZE(wa);
- int cmp;
- switch (op) {
- case Py_LT: cmp = vs < ws; break;
- case Py_LE: cmp = vs <= ws; break;
- case Py_EQ: cmp = vs == ws; break;
- case Py_NE: cmp = vs != ws; break;
- case Py_GT: cmp = vs > ws; break;
- case Py_GE: cmp = vs >= ws; break;
- default: return NULL; /* cannot happen */
- }
- if (cmp)
- res = Py_True;
- else
- res = Py_False;
- Py_INCREF(res);
- return res;
- }
-
- /* We have an item that differs. First, shortcuts for EQ/NE */
- if (op == Py_EQ) {
- Py_INCREF(Py_False);
- res = Py_False;
- }
- else if (op == Py_NE) {
- Py_INCREF(Py_True);
- res = Py_True;
- }
- else {
- /* Compare the final item again using the proper operator */
- res = PyObject_RichCompare(vi, wi, op);
- }
- Py_DECREF(vi);
- Py_DECREF(wi);
- return res;
+ arrayobject *va, *wa;
+ PyObject *vi = NULL;
+ PyObject *wi = NULL;
+ Py_ssize_t i, k;
+ PyObject *res;
+
+ if (!array_Check(v) || !array_Check(w)) {
+ Py_INCREF(Py_NotImplemented);
+ return Py_NotImplemented;
+ }
+
+ va = (arrayobject *)v;
+ wa = (arrayobject *)w;
+
+ if (Py_SIZE(va) != Py_SIZE(wa) && (op == Py_EQ || op == Py_NE)) {
+ /* Shortcut: if the lengths differ, the arrays differ */
+ if (op == Py_EQ)
+ res = Py_False;
+ else
+ res = Py_True;
+ Py_INCREF(res);
+ return res;
+ }
+
+ /* Search for the first index where items are different */
+ k = 1;
+ for (i = 0; i < Py_SIZE(va) && i < Py_SIZE(wa); i++) {
+ vi = getarrayitem(v, i);
+ wi = getarrayitem(w, i);
+ if (vi == NULL || wi == NULL) {
+ Py_XDECREF(vi);
+ Py_XDECREF(wi);
+ return NULL;
+ }
+ k = PyObject_RichCompareBool(vi, wi, Py_EQ);
+ if (k == 0)
+ break; /* Keeping vi and wi alive! */
+ Py_DECREF(vi);
+ Py_DECREF(wi);
+ if (k < 0)
+ return NULL;
+ }
+
+ if (k) {
+ /* No more items to compare -- compare sizes */
+ Py_ssize_t vs = Py_SIZE(va);
+ Py_ssize_t ws = Py_SIZE(wa);
+ int cmp;
+ switch (op) {
+ case Py_LT: cmp = vs < ws; break;
+ case Py_LE: cmp = vs <= ws; break;
+ case Py_EQ: cmp = vs == ws; break;
+ case Py_NE: cmp = vs != ws; break;
+ case Py_GT: cmp = vs > ws; break;
+ case Py_GE: cmp = vs >= ws; break;
+ default: return NULL; /* cannot happen */
+ }
+ if (cmp)
+ res = Py_True;
+ else
+ res = Py_False;
+ Py_INCREF(res);
+ return res;
+ }
+
+ /* We have an item that differs. First, shortcuts for EQ/NE */
+ if (op == Py_EQ) {
+ Py_INCREF(Py_False);
+ res = Py_False;
+ }
+ else if (op == Py_NE) {
+ Py_INCREF(Py_True);
+ res = Py_True;
+ }
+ else {
+ /* Compare the final item again using the proper operator */
+ res = PyObject_RichCompare(vi, wi, op);
+ }
+ Py_DECREF(vi);
+ Py_DECREF(wi);
+ return res;
}
static Py_ssize_t
array_length(arrayobject *a)
{
- return Py_SIZE(a);
+ return Py_SIZE(a);
}
static PyObject *
array_item(arrayobject *a, Py_ssize_t i)
{
- if (i < 0 || i >= Py_SIZE(a)) {
- PyErr_SetString(PyExc_IndexError, "array index out of range");
- return NULL;
- }
- return getarrayitem((PyObject *)a, i);
+ if (i < 0 || i >= Py_SIZE(a)) {
+ PyErr_SetString(PyExc_IndexError, "array index out of range");
+ return NULL;
+ }
+ return getarrayitem((PyObject *)a, i);
}
static PyObject *
array_slice(arrayobject *a, Py_ssize_t ilow, Py_ssize_t ihigh)
{
- arrayobject *np;
- if (ilow < 0)
- ilow = 0;
- else if (ilow > Py_SIZE(a))
- ilow = Py_SIZE(a);
- if (ihigh < 0)
- ihigh = 0;
- if (ihigh < ilow)
- ihigh = ilow;
- else if (ihigh > Py_SIZE(a))
- ihigh = Py_SIZE(a);
- np = (arrayobject *) newarrayobject(&Arraytype, ihigh - ilow, a->ob_descr);
- if (np == NULL)
- return NULL;
- memcpy(np->ob_item, a->ob_item + ilow * a->ob_descr->itemsize,
- (ihigh-ilow) * a->ob_descr->itemsize);
- return (PyObject *)np;
+ arrayobject *np;
+ if (ilow < 0)
+ ilow = 0;
+ else if (ilow > Py_SIZE(a))
+ ilow = Py_SIZE(a);
+ if (ihigh < 0)
+ ihigh = 0;
+ if (ihigh < ilow)
+ ihigh = ilow;
+ else if (ihigh > Py_SIZE(a))
+ ihigh = Py_SIZE(a);
+ np = (arrayobject *) newarrayobject(&Arraytype, ihigh - ilow, a->ob_descr);
+ if (np == NULL)
+ return NULL;
+ memcpy(np->ob_item, a->ob_item + ilow * a->ob_descr->itemsize,
+ (ihigh-ilow) * a->ob_descr->itemsize);
+ return (PyObject *)np;
}
static PyObject *
array_copy(arrayobject *a, PyObject *unused)
{
- return array_slice(a, 0, Py_SIZE(a));
+ return array_slice(a, 0, Py_SIZE(a));
}
PyDoc_STRVAR(copy_doc,
@@ -637,278 +637,278 @@ PyDoc_STRVAR(copy_doc,
static PyObject *
array_concat(arrayobject *a, PyObject *bb)
{
- Py_ssize_t size;
- arrayobject *np;
- if (!array_Check(bb)) {
- PyErr_Format(PyExc_TypeError,
- "can only append array (not \"%.200s\") to array",
- Py_TYPE(bb)->tp_name);
- return NULL;
- }
+ Py_ssize_t size;
+ arrayobject *np;
+ if (!array_Check(bb)) {
+ PyErr_Format(PyExc_TypeError,
+ "can only append array (not \"%.200s\") to array",
+ Py_TYPE(bb)->tp_name);
+ return NULL;
+ }
#define b ((arrayobject *)bb)
- if (a->ob_descr != b->ob_descr) {
- PyErr_BadArgument();
- return NULL;
- }
- if (Py_SIZE(a) > PY_SSIZE_T_MAX - Py_SIZE(b)) {
- return PyErr_NoMemory();
- }
- size = Py_SIZE(a) + Py_SIZE(b);
- np = (arrayobject *) newarrayobject(&Arraytype, size, a->ob_descr);
- if (np == NULL) {
- return NULL;
- }
- memcpy(np->ob_item, a->ob_item, Py_SIZE(a)*a->ob_descr->itemsize);
- memcpy(np->ob_item + Py_SIZE(a)*a->ob_descr->itemsize,
- b->ob_item, Py_SIZE(b)*b->ob_descr->itemsize);
- return (PyObject *)np;
+ if (a->ob_descr != b->ob_descr) {
+ PyErr_BadArgument();
+ return NULL;
+ }
+ if (Py_SIZE(a) > PY_SSIZE_T_MAX - Py_SIZE(b)) {
+ return PyErr_NoMemory();
+ }
+ size = Py_SIZE(a) + Py_SIZE(b);
+ np = (arrayobject *) newarrayobject(&Arraytype, size, a->ob_descr);
+ if (np == NULL) {
+ return NULL;
+ }
+ memcpy(np->ob_item, a->ob_item, Py_SIZE(a)*a->ob_descr->itemsize);
+ memcpy(np->ob_item + Py_SIZE(a)*a->ob_descr->itemsize,
+ b->ob_item, Py_SIZE(b)*b->ob_descr->itemsize);
+ return (PyObject *)np;
#undef b
}
static PyObject *
array_repeat(arrayobject *a, Py_ssize_t n)
{
- Py_ssize_t i;
- Py_ssize_t size;
- arrayobject *np;
- char *p;
- Py_ssize_t nbytes;
- if (n < 0)
- n = 0;
- if ((Py_SIZE(a) != 0) && (n > PY_SSIZE_T_MAX / Py_SIZE(a))) {
- return PyErr_NoMemory();
- }
- size = Py_SIZE(a) * n;
- np = (arrayobject *) newarrayobject(&Arraytype, size, a->ob_descr);
- if (np == NULL)
- return NULL;
- p = np->ob_item;
- nbytes = Py_SIZE(a) * a->ob_descr->itemsize;
- for (i = 0; i < n; i++) {
- memcpy(p, a->ob_item, nbytes);
- p += nbytes;
- }
- return (PyObject *) np;
+ Py_ssize_t i;
+ Py_ssize_t size;
+ arrayobject *np;
+ char *p;
+ Py_ssize_t nbytes;
+ if (n < 0)
+ n = 0;
+ if ((Py_SIZE(a) != 0) && (n > PY_SSIZE_T_MAX / Py_SIZE(a))) {
+ return PyErr_NoMemory();
+ }
+ size = Py_SIZE(a) * n;
+ np = (arrayobject *) newarrayobject(&Arraytype, size, a->ob_descr);
+ if (np == NULL)
+ return NULL;
+ p = np->ob_item;
+ nbytes = Py_SIZE(a) * a->ob_descr->itemsize;
+ for (i = 0; i < n; i++) {
+ memcpy(p, a->ob_item, nbytes);
+ p += nbytes;
+ }
+ return (PyObject *) np;
}
static int
array_ass_slice(arrayobject *a, Py_ssize_t ilow, Py_ssize_t ihigh, PyObject *v)
{
- char *item;
- Py_ssize_t n; /* Size of replacement array */
- Py_ssize_t d; /* Change in size */
+ char *item;
+ Py_ssize_t n; /* Size of replacement array */
+ Py_ssize_t d; /* Change in size */
#define b ((arrayobject *)v)
- if (v == NULL)
- n = 0;
- else if (array_Check(v)) {
- n = Py_SIZE(b);
- if (a == b) {
- /* Special case "a[i:j] = a" -- copy b first */
- int ret;
- v = array_slice(b, 0, n);
- if (!v)
- return -1;
- ret = array_ass_slice(a, ilow, ihigh, v);
- Py_DECREF(v);
- return ret;
- }
- if (b->ob_descr != a->ob_descr) {
- PyErr_BadArgument();
- return -1;
- }
- }
- else {
- PyErr_Format(PyExc_TypeError,
- "can only assign array (not \"%.200s\") to array slice",
- Py_TYPE(v)->tp_name);
- return -1;
- }
- if (ilow < 0)
- ilow = 0;
- else if (ilow > Py_SIZE(a))
- ilow = Py_SIZE(a);
- if (ihigh < 0)
- ihigh = 0;
- if (ihigh < ilow)
- ihigh = ilow;
- else if (ihigh > Py_SIZE(a))
- ihigh = Py_SIZE(a);
- item = a->ob_item;
- d = n - (ihigh-ilow);
- /* Issue #4509: If the array has exported buffers and the slice
- assignment would change the size of the array, fail early to make
- sure we don't modify it. */
- if (d != 0 && a->ob_exports > 0) {
- PyErr_SetString(PyExc_BufferError,
- "cannot resize an array that is exporting buffers");
- return -1;
- }
- if (d < 0) { /* Delete -d items */
- memmove(item + (ihigh+d)*a->ob_descr->itemsize,
- item + ihigh*a->ob_descr->itemsize,
- (Py_SIZE(a)-ihigh)*a->ob_descr->itemsize);
- if (array_resize(a, Py_SIZE(a) + d) == -1)
- return -1;
- }
- else if (d > 0) { /* Insert d items */
- if (array_resize(a, Py_SIZE(a) + d))
- return -1;
- memmove(item + (ihigh+d)*a->ob_descr->itemsize,
- item + ihigh*a->ob_descr->itemsize,
- (Py_SIZE(a)-ihigh)*a->ob_descr->itemsize);
- }
- if (n > 0)
- memcpy(item + ilow*a->ob_descr->itemsize, b->ob_item,
- n*b->ob_descr->itemsize);
- return 0;
+ if (v == NULL)
+ n = 0;
+ else if (array_Check(v)) {
+ n = Py_SIZE(b);
+ if (a == b) {
+ /* Special case "a[i:j] = a" -- copy b first */
+ int ret;
+ v = array_slice(b, 0, n);
+ if (!v)
+ return -1;
+ ret = array_ass_slice(a, ilow, ihigh, v);
+ Py_DECREF(v);
+ return ret;
+ }
+ if (b->ob_descr != a->ob_descr) {
+ PyErr_BadArgument();
+ return -1;
+ }
+ }
+ else {
+ PyErr_Format(PyExc_TypeError,
+ "can only assign array (not \"%.200s\") to array slice",
+ Py_TYPE(v)->tp_name);
+ return -1;
+ }
+ if (ilow < 0)
+ ilow = 0;
+ else if (ilow > Py_SIZE(a))
+ ilow = Py_SIZE(a);
+ if (ihigh < 0)
+ ihigh = 0;
+ if (ihigh < ilow)
+ ihigh = ilow;
+ else if (ihigh > Py_SIZE(a))
+ ihigh = Py_SIZE(a);
+ item = a->ob_item;
+ d = n - (ihigh-ilow);
+ /* Issue #4509: If the array has exported buffers and the slice
+ assignment would change the size of the array, fail early to make
+ sure we don't modify it. */
+ if (d != 0 && a->ob_exports > 0) {
+ PyErr_SetString(PyExc_BufferError,
+ "cannot resize an array that is exporting buffers");
+ return -1;
+ }
+ if (d < 0) { /* Delete -d items */
+ memmove(item + (ihigh+d)*a->ob_descr->itemsize,
+ item + ihigh*a->ob_descr->itemsize,
+ (Py_SIZE(a)-ihigh)*a->ob_descr->itemsize);
+ if (array_resize(a, Py_SIZE(a) + d) == -1)
+ return -1;
+ }
+ else if (d > 0) { /* Insert d items */
+ if (array_resize(a, Py_SIZE(a) + d))
+ return -1;
+ memmove(item + (ihigh+d)*a->ob_descr->itemsize,
+ item + ihigh*a->ob_descr->itemsize,
+ (Py_SIZE(a)-ihigh)*a->ob_descr->itemsize);
+ }
+ if (n > 0)
+ memcpy(item + ilow*a->ob_descr->itemsize, b->ob_item,
+ n*b->ob_descr->itemsize);
+ return 0;
#undef b
}
static int
array_ass_item(arrayobject *a, Py_ssize_t i, PyObject *v)
{
- if (i < 0 || i >= Py_SIZE(a)) {
- PyErr_SetString(PyExc_IndexError,
- "array assignment index out of range");
- return -1;
- }
- if (v == NULL)
- return array_ass_slice(a, i, i+1, v);
- return (*a->ob_descr->setitem)(a, i, v);
+ if (i < 0 || i >= Py_SIZE(a)) {
+ PyErr_SetString(PyExc_IndexError,
+ "array assignment index out of range");
+ return -1;
+ }
+ if (v == NULL)
+ return array_ass_slice(a, i, i+1, v);
+ return (*a->ob_descr->setitem)(a, i, v);
}
static int
setarrayitem(PyObject *a, Py_ssize_t i, PyObject *v)
{
- assert(array_Check(a));
- return array_ass_item((arrayobject *)a, i, v);
+ assert(array_Check(a));
+ return array_ass_item((arrayobject *)a, i, v);
}
static int
array_iter_extend(arrayobject *self, PyObject *bb)
{
- PyObject *it, *v;
+ PyObject *it, *v;
- it = PyObject_GetIter(bb);
- if (it == NULL)
- return -1;
+ it = PyObject_GetIter(bb);
+ if (it == NULL)
+ return -1;
- while ((v = PyIter_Next(it)) != NULL) {
- if (ins1(self, (int) Py_SIZE(self), v) != 0) {
- Py_DECREF(v);
- Py_DECREF(it);
- return -1;
- }
- Py_DECREF(v);
- }
- Py_DECREF(it);
- if (PyErr_Occurred())
- return -1;
- return 0;
+ while ((v = PyIter_Next(it)) != NULL) {
+ if (ins1(self, (int) Py_SIZE(self), v) != 0) {
+ Py_DECREF(v);
+ Py_DECREF(it);
+ return -1;
+ }
+ Py_DECREF(v);
+ }
+ Py_DECREF(it);
+ if (PyErr_Occurred())
+ return -1;
+ return 0;
}
static int
array_do_extend(arrayobject *self, PyObject *bb)
{
- Py_ssize_t size, oldsize, bbsize;
-
- if (!array_Check(bb))
- return array_iter_extend(self, bb);
+ Py_ssize_t size, oldsize, bbsize;
+
+ if (!array_Check(bb))
+ return array_iter_extend(self, bb);
#define b ((arrayobject *)bb)
- if (self->ob_descr != b->ob_descr) {
- PyErr_SetString(PyExc_TypeError,
- "can only extend with array of same kind");
- return -1;
- }
- if ((Py_SIZE(self) > PY_SSIZE_T_MAX - Py_SIZE(b)) ||
- ((Py_SIZE(self) + Py_SIZE(b)) > PY_SSIZE_T_MAX / self->ob_descr->itemsize)) {
- PyErr_NoMemory();
- return -1;
- }
- oldsize = Py_SIZE(self);
- /* Get the size of bb before resizing the array since bb could be self. */
- bbsize = Py_SIZE(bb);
- size = oldsize + Py_SIZE(b);
- if (array_resize(self, size) == -1)
- return -1;
- memcpy(self->ob_item + oldsize * self->ob_descr->itemsize,
- b->ob_item, bbsize * b->ob_descr->itemsize);
-
- return 0;
+ if (self->ob_descr != b->ob_descr) {
+ PyErr_SetString(PyExc_TypeError,
+ "can only extend with array of same kind");
+ return -1;
+ }
+ if ((Py_SIZE(self) > PY_SSIZE_T_MAX - Py_SIZE(b)) ||
+ ((Py_SIZE(self) + Py_SIZE(b)) > PY_SSIZE_T_MAX / self->ob_descr->itemsize)) {
+ PyErr_NoMemory();
+ return -1;
+ }
+ oldsize = Py_SIZE(self);
+ /* Get the size of bb before resizing the array since bb could be self. */
+ bbsize = Py_SIZE(bb);
+ size = oldsize + Py_SIZE(b);
+ if (array_resize(self, size) == -1)
+ return -1;
+ memcpy(self->ob_item + oldsize * self->ob_descr->itemsize,
+ b->ob_item, bbsize * b->ob_descr->itemsize);
+
+ return 0;
#undef b
}
static PyObject *
array_inplace_concat(arrayobject *self, PyObject *bb)
{
- if (!array_Check(bb)) {
- PyErr_Format(PyExc_TypeError,
- "can only extend array with array (not \"%.200s\")",
- Py_TYPE(bb)->tp_name);
- return NULL;
- }
- if (array_do_extend(self, bb) == -1)
- return NULL;
- Py_INCREF(self);
- return (PyObject *)self;
+ if (!array_Check(bb)) {
+ PyErr_Format(PyExc_TypeError,
+ "can only extend array with array (not \"%.200s\")",
+ Py_TYPE(bb)->tp_name);
+ return NULL;
+ }
+ if (array_do_extend(self, bb) == -1)
+ return NULL;
+ Py_INCREF(self);
+ return (PyObject *)self;
}
static PyObject *
array_inplace_repeat(arrayobject *self, Py_ssize_t n)
{
- char *items, *p;
- Py_ssize_t size, i;
-
- if (Py_SIZE(self) > 0) {
- if (n < 0)
- n = 0;
- items = self->ob_item;
- if ((self->ob_descr->itemsize != 0) &&
- (Py_SIZE(self) > PY_SSIZE_T_MAX / self->ob_descr->itemsize)) {
- return PyErr_NoMemory();
- }
- size = Py_SIZE(self) * self->ob_descr->itemsize;
- if (n > 0 && size > PY_SSIZE_T_MAX / n) {
- return PyErr_NoMemory();
- }
- if (array_resize(self, n * Py_SIZE(self)) == -1)
- return NULL;
- items = p = self->ob_item;
- for (i = 1; i < n; i++) {
- p += size;
- memcpy(p, items, size);
- }
- }
- Py_INCREF(self);
- return (PyObject *)self;
+ char *items, *p;
+ Py_ssize_t size, i;
+
+ if (Py_SIZE(self) > 0) {
+ if (n < 0)
+ n = 0;
+ items = self->ob_item;
+ if ((self->ob_descr->itemsize != 0) &&
+ (Py_SIZE(self) > PY_SSIZE_T_MAX / self->ob_descr->itemsize)) {
+ return PyErr_NoMemory();
+ }
+ size = Py_SIZE(self) * self->ob_descr->itemsize;
+ if (n > 0 && size > PY_SSIZE_T_MAX / n) {
+ return PyErr_NoMemory();
+ }
+ if (array_resize(self, n * Py_SIZE(self)) == -1)
+ return NULL;
+ items = p = self->ob_item;
+ for (i = 1; i < n; i++) {
+ p += size;
+ memcpy(p, items, size);
+ }
+ }
+ Py_INCREF(self);
+ return (PyObject *)self;
}
static PyObject *
ins(arrayobject *self, Py_ssize_t where, PyObject *v)
{
- if (ins1(self, where, v) != 0)
- return NULL;
- Py_INCREF(Py_None);
- return Py_None;
+ if (ins1(self, where, v) != 0)
+ return NULL;
+ Py_INCREF(Py_None);
+ return Py_None;
}
static PyObject *
array_count(arrayobject *self, PyObject *v)
{
- Py_ssize_t count = 0;
- Py_ssize_t i;
+ Py_ssize_t count = 0;
+ Py_ssize_t i;
- for (i = 0; i < Py_SIZE(self); i++) {
- PyObject *selfi = getarrayitem((PyObject *)self, i);
- int cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
- Py_DECREF(selfi);
- if (cmp > 0)
- count++;
- else if (cmp < 0)
- return NULL;
- }
- return PyLong_FromSsize_t(count);
+ for (i = 0; i < Py_SIZE(self); i++) {
+ PyObject *selfi = getarrayitem((PyObject *)self, i);
+ int cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
+ Py_DECREF(selfi);
+ if (cmp > 0)
+ count++;
+ else if (cmp < 0)
+ return NULL;
+ }
+ return PyLong_FromSsize_t(count);
}
PyDoc_STRVAR(count_doc,
@@ -919,20 +919,20 @@ Return number of occurrences of x in the array.");
static PyObject *
array_index(arrayobject *self, PyObject *v)
{
- Py_ssize_t i;
+ Py_ssize_t i;
- for (i = 0; i < Py_SIZE(self); i++) {
- PyObject *selfi = getarrayitem((PyObject *)self, i);
- int cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
- Py_DECREF(selfi);
- if (cmp > 0) {
- return PyLong_FromLong((long)i);
- }
- else if (cmp < 0)
- return NULL;
- }
- PyErr_SetString(PyExc_ValueError, "array.index(x): x not in list");
- return NULL;
+ for (i = 0; i < Py_SIZE(self); i++) {
+ PyObject *selfi = getarrayitem((PyObject *)self, i);
+ int cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
+ Py_DECREF(selfi);
+ if (cmp > 0) {
+ return PyLong_FromLong((long)i);
+ }
+ else if (cmp < 0)
+ return NULL;
+ }
+ PyErr_SetString(PyExc_ValueError, "array.index(x): x not in list");
+ return NULL;
}
PyDoc_STRVAR(index_doc,
@@ -943,38 +943,38 @@ Return index of first occurrence of x in the array.");
static int
array_contains(arrayobject *self, PyObject *v)
{
- Py_ssize_t i;
- int cmp;
+ Py_ssize_t i;
+ int cmp;
- for (i = 0, cmp = 0 ; cmp == 0 && i < Py_SIZE(self); i++) {
- PyObject *selfi = getarrayitem((PyObject *)self, i);
- cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
- Py_DECREF(selfi);
- }
- return cmp;
+ for (i = 0, cmp = 0 ; cmp == 0 && i < Py_SIZE(self); i++) {
+ PyObject *selfi = getarrayitem((PyObject *)self, i);
+ cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
+ Py_DECREF(selfi);
+ }
+ return cmp;
}
static PyObject *
array_remove(arrayobject *self, PyObject *v)
{
- int i;
-
- for (i = 0; i < Py_SIZE(self); i++) {
- PyObject *selfi = getarrayitem((PyObject *)self,i);
- int cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
- Py_DECREF(selfi);
- if (cmp > 0) {
- if (array_ass_slice(self, i, i+1,
- (PyObject *)NULL) != 0)
- return NULL;
- Py_INCREF(Py_None);
- return Py_None;
- }
- else if (cmp < 0)
- return NULL;
- }
- PyErr_SetString(PyExc_ValueError, "array.remove(x): x not in list");
- return NULL;
+ int i;
+
+ for (i = 0; i < Py_SIZE(self); i++) {
+ PyObject *selfi = getarrayitem((PyObject *)self,i);
+ int cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
+ Py_DECREF(selfi);
+ if (cmp > 0) {
+ if (array_ass_slice(self, i, i+1,
+ (PyObject *)NULL) != 0)
+ return NULL;
+ Py_INCREF(Py_None);
+ return Py_None;
+ }
+ else if (cmp < 0)
+ return NULL;
+ }
+ PyErr_SetString(PyExc_ValueError, "array.remove(x): x not in list");
+ return NULL;
}
PyDoc_STRVAR(remove_doc,
@@ -985,27 +985,27 @@ Remove the first occurrence of x in the array.");
static PyObject *
array_pop(arrayobject *self, PyObject *args)
{
- Py_ssize_t i = -1;
- PyObject *v;
- if (!PyArg_ParseTuple(args, "|n:pop", &i))
- return NULL;
- if (Py_SIZE(self) == 0) {
- /* Special-case most common failure cause */
- PyErr_SetString(PyExc_IndexError, "pop from empty array");
- return NULL;
- }
- if (i < 0)
- i += Py_SIZE(self);
- if (i < 0 || i >= Py_SIZE(self)) {
- PyErr_SetString(PyExc_IndexError, "pop index out of range");
- return NULL;
- }
- v = getarrayitem((PyObject *)self,i);
- if (array_ass_slice(self, i, i+1, (PyObject *)NULL) != 0) {
- Py_DECREF(v);
- return NULL;
- }
- return v;
+ Py_ssize_t i = -1;
+ PyObject *v;
+ if (!PyArg_ParseTuple(args, "|n:pop", &i))
+ return NULL;
+ if (Py_SIZE(self) == 0) {
+ /* Special-case most common failure cause */
+ PyErr_SetString(PyExc_IndexError, "pop from empty array");
+ return NULL;
+ }
+ if (i < 0)
+ i += Py_SIZE(self);
+ if (i < 0 || i >= Py_SIZE(self)) {
+ PyErr_SetString(PyExc_IndexError, "pop index out of range");
+ return NULL;
+ }
+ v = getarrayitem((PyObject *)self,i);
+ if (array_ass_slice(self, i, i+1, (PyObject *)NULL) != 0) {
+ Py_DECREF(v);
+ return NULL;
+ }
+ return v;
}
PyDoc_STRVAR(pop_doc,
@@ -1016,10 +1016,10 @@ Return the i-th element and delete it from the array. i defaults to -1.");
static PyObject *
array_extend(arrayobject *self, PyObject *bb)
{
- if (array_do_extend(self, bb) == -1)
- return NULL;
- Py_INCREF(Py_None);
- return Py_None;
+ if (array_do_extend(self, bb) == -1)
+ return NULL;
+ Py_INCREF(Py_None);
+ return Py_None;
}
PyDoc_STRVAR(extend_doc,
@@ -1030,11 +1030,11 @@ PyDoc_STRVAR(extend_doc,
static PyObject *
array_insert(arrayobject *self, PyObject *args)
{
- Py_ssize_t i;
- PyObject *v;
- if (!PyArg_ParseTuple(args, "nO:insert", &i, &v))
- return NULL;
- return ins(self, i, v);
+ Py_ssize_t i;
+ PyObject *v;
+ if (!PyArg_ParseTuple(args, "nO:insert", &i, &v))
+ return NULL;
+ return ins(self, i, v);
}
PyDoc_STRVAR(insert_doc,
@@ -1046,15 +1046,15 @@ Insert a new item x into the array before position i.");
static PyObject *
array_buffer_info(arrayobject *self, PyObject *unused)
{
- PyObject* retval = NULL;
- retval = PyTuple_New(2);
- if (!retval)
- return NULL;
+ PyObject* retval = NULL;
+ retval = PyTuple_New(2);
+ if (!retval)
+ return NULL;
- PyTuple_SET_ITEM(retval, 0, PyLong_FromVoidPtr(self->ob_item));
- PyTuple_SET_ITEM(retval, 1, PyLong_FromLong((long)(Py_SIZE(self))));
+ PyTuple_SET_ITEM(retval, 0, PyLong_FromVoidPtr(self->ob_item));
+ PyTuple_SET_ITEM(retval, 1, PyLong_FromLong((long)(Py_SIZE(self))));
- return retval;
+ return retval;
}
PyDoc_STRVAR(buffer_info_doc,
@@ -1069,7 +1069,7 @@ the buffer length in bytes.");
static PyObject *
array_append(arrayobject *self, PyObject *v)
{
- return ins(self, (int) Py_SIZE(self), v);
+ return ins(self, (int) Py_SIZE(self), v);
}
PyDoc_STRVAR(append_doc,
@@ -1081,52 +1081,52 @@ Append new value x to the end of the array.");
static PyObject *
array_byteswap(arrayobject *self, PyObject *unused)
{
- char *p;
- Py_ssize_t i;
-
- switch (self->ob_descr->itemsize) {
- case 1:
- break;
- case 2:
- for (p = self->ob_item, i = Py_SIZE(self); --i >= 0; p += 2) {
- char p0 = p[0];
- p[0] = p[1];
- p[1] = p0;
- }
- break;
- case 4:
- for (p = self->ob_item, i = Py_SIZE(self); --i >= 0; p += 4) {
- char p0 = p[0];
- char p1 = p[1];
- p[0] = p[3];
- p[1] = p[2];
- p[2] = p1;
- p[3] = p0;
- }
- break;
- case 8:
- for (p = self->ob_item, i = Py_SIZE(self); --i >= 0; p += 8) {
- char p0 = p[0];
- char p1 = p[1];
- char p2 = p[2];
- char p3 = p[3];
- p[0] = p[7];
- p[1] = p[6];
- p[2] = p[5];
- p[3] = p[4];
- p[4] = p3;
- p[5] = p2;
- p[6] = p1;
- p[7] = p0;
- }
- break;
- default:
- PyErr_SetString(PyExc_RuntimeError,
- "don't know how to byteswap this array type");
- return NULL;
- }
- Py_INCREF(Py_None);
- return Py_None;
+ char *p;
+ Py_ssize_t i;
+
+ switch (self->ob_descr->itemsize) {
+ case 1:
+ break;
+ case 2:
+ for (p = self->ob_item, i = Py_SIZE(self); --i >= 0; p += 2) {
+ char p0 = p[0];
+ p[0] = p[1];
+ p[1] = p0;
+ }
+ break;
+ case 4:
+ for (p = self->ob_item, i = Py_SIZE(self); --i >= 0; p += 4) {
+ char p0 = p[0];
+ char p1 = p[1];
+ p[0] = p[3];
+ p[1] = p[2];
+ p[2] = p1;
+ p[3] = p0;
+ }
+ break;
+ case 8:
+ for (p = self->ob_item, i = Py_SIZE(self); --i >= 0; p += 8) {
+ char p0 = p[0];
+ char p1 = p[1];
+ char p2 = p[2];
+ char p3 = p[3];
+ p[0] = p[7];
+ p[1] = p[6];
+ p[2] = p[5];
+ p[3] = p[4];
+ p[4] = p3;
+ p[5] = p2;
+ p[6] = p1;
+ p[7] = p0;
+ }
+ break;
+ default:
+ PyErr_SetString(PyExc_RuntimeError,
+ "don't know how to byteswap this array type");
+ return NULL;
+ }
+ Py_INCREF(Py_None);
+ return Py_None;
}
PyDoc_STRVAR(byteswap_doc,
@@ -1138,33 +1138,33 @@ Byteswap all items of the array. If the items in the array are not 1, 2,\n\
static PyObject *
array_reduce(arrayobject *array)
{
- PyObject *dict, *result;
-
- dict = PyObject_GetAttrString((PyObject *)array, "__dict__");
- if (dict == NULL) {
- PyErr_Clear();
- dict = Py_None;
- Py_INCREF(dict);
- }
- if (Py_SIZE(array) > 0) {
- if (array->ob_descr->itemsize
- > PY_SSIZE_T_MAX / Py_SIZE(array)) {
- return PyErr_NoMemory();
- }
- result = Py_BuildValue("O(Cy#)O",
- Py_TYPE(array),
- array->ob_descr->typecode,
- array->ob_item,
- Py_SIZE(array) * array->ob_descr->itemsize,
- dict);
- } else {
- result = Py_BuildValue("O(C)O",
- Py_TYPE(array),
- array->ob_descr->typecode,
- dict);
- }
- Py_DECREF(dict);
- return result;
+ PyObject *dict, *result;
+
+ dict = PyObject_GetAttrString((PyObject *)array, "__dict__");
+ if (dict == NULL) {
+ PyErr_Clear();
+ dict = Py_None;
+ Py_INCREF(dict);
+ }
+ if (Py_SIZE(array) > 0) {
+ if (array->ob_descr->itemsize
+ > PY_SSIZE_T_MAX / Py_SIZE(array)) {
+ return PyErr_NoMemory();
+ }
+ result = Py_BuildValue("O(Cy#)O",
+ Py_TYPE(array),
+ array->ob_descr->typecode,
+ array->ob_item,
+ Py_SIZE(array) * array->ob_descr->itemsize,
+ dict);
+ } else {
+ result = Py_BuildValue("O(C)O",
+ Py_TYPE(array),
+ array->ob_descr->typecode,
+ dict);
+ }
+ Py_DECREF(dict);
+ return result;
}
PyDoc_STRVAR(array_doc, "Return state information for pickling.");
@@ -1172,28 +1172,28 @@ PyDoc_STRVAR(array_doc, "Return state information for pickling.");
static PyObject *
array_reverse(arrayobject *self, PyObject *unused)
{
- register Py_ssize_t itemsize = self->ob_descr->itemsize;
- register char *p, *q;
- /* little buffer to hold items while swapping */
- char tmp[256]; /* 8 is probably enough -- but why skimp */
- assert((size_t)itemsize <= sizeof(tmp));
-
- if (Py_SIZE(self) > 1) {
- for (p = self->ob_item,
- q = self->ob_item + (Py_SIZE(self) - 1)*itemsize;
- p < q;
- p += itemsize, q -= itemsize) {
- /* memory areas guaranteed disjoint, so memcpy
- * is safe (& memmove may be slower).
- */
- memcpy(tmp, p, itemsize);
- memcpy(p, q, itemsize);
- memcpy(q, tmp, itemsize);
- }
- }
-
- Py_INCREF(Py_None);
- return Py_None;
+ register Py_ssize_t itemsize = self->ob_descr->itemsize;
+ register char *p, *q;
+ /* little buffer to hold items while swapping */
+ char tmp[256]; /* 8 is probably enough -- but why skimp */
+ assert((size_t)itemsize <= sizeof(tmp));
+
+ if (Py_SIZE(self) > 1) {
+ for (p = self->ob_item,
+ q = self->ob_item + (Py_SIZE(self) - 1)*itemsize;
+ p < q;
+ p += itemsize, q -= itemsize) {
+ /* memory areas guaranteed disjoint, so memcpy
+ * is safe (& memmove may be slower).
+ */
+ memcpy(tmp, p, itemsize);
+ memcpy(p, q, itemsize);
+ memcpy(q, tmp, itemsize);
+ }
+ }
+
+ Py_INCREF(Py_None);
+ return Py_None;
}
PyDoc_STRVAR(reverse_doc,
@@ -1208,51 +1208,51 @@ static PyObject *array_fromstring(arrayobject *self, PyObject *args);
static PyObject *
array_fromfile(arrayobject *self, PyObject *args)
{
- PyObject *f, *b, *res;
- Py_ssize_t itemsize = self->ob_descr->itemsize;
- Py_ssize_t n, nbytes;
- int not_enough_bytes;
+ PyObject *f, *b, *res;
+ Py_ssize_t itemsize = self->ob_descr->itemsize;
+ Py_ssize_t n, nbytes;
+ int not_enough_bytes;
- if (!PyArg_ParseTuple(args, "On:fromfile", &f, &n))
- return NULL;
+ if (!PyArg_ParseTuple(args, "On:fromfile", &f, &n))
+ return NULL;
- nbytes = n * itemsize;
- if (nbytes < 0 || nbytes/itemsize != n) {
- PyErr_NoMemory();
- return NULL;
- }
+ nbytes = n * itemsize;
+ if (nbytes < 0 || nbytes/itemsize != n) {
+ PyErr_NoMemory();
+ return NULL;
+ }
- b = PyObject_CallMethod(f, "read", "n", nbytes);
- if (b == NULL)
- return NULL;
+ b = PyObject_CallMethod(f, "read", "n", nbytes);
+ if (b == NULL)
+ return NULL;
- if (!PyBytes_Check(b)) {
- PyErr_SetString(PyExc_TypeError,
- "read() didn't return bytes");
- Py_DECREF(b);
- return NULL;
- }
+ if (!PyBytes_Check(b)) {
+ PyErr_SetString(PyExc_TypeError,
+ "read() didn't return bytes");
+ Py_DECREF(b);
+ return NULL;
+ }
- not_enough_bytes = (PyBytes_GET_SIZE(b) != nbytes);
+ not_enough_bytes = (PyBytes_GET_SIZE(b) != nbytes);
- args = Py_BuildValue("(O)", b);
- Py_DECREF(b);
- if (args == NULL)
- return NULL;
+ args = Py_BuildValue("(O)", b);
+ Py_DECREF(b);
+ if (args == NULL)
+ return NULL;
- res = array_fromstring(self, args);
- Py_DECREF(args);
- if (res == NULL)
- return NULL;
+ res = array_fromstring(self, args);
+ Py_DECREF(args);
+ if (res == NULL)
+ return NULL;
- if (not_enough_bytes) {
- PyErr_SetString(PyExc_EOFError,
- "read() didn't return enough bytes");
- Py_DECREF(res);
- return NULL;
- }
+ if (not_enough_bytes) {
+ PyErr_SetString(PyExc_EOFError,
+ "read() didn't return enough bytes");
+ Py_DECREF(res);
+ return NULL;
+ }
- return res;
+ return res;
}
PyDoc_STRVAR(fromfile_doc,
@@ -1265,35 +1265,35 @@ array.");
static PyObject *
array_tofile(arrayobject *self, PyObject *f)
{
- Py_ssize_t nbytes = Py_SIZE(self) * self->ob_descr->itemsize;
- /* Write 64K blocks at a time */
- /* XXX Make the block size settable */
- int BLOCKSIZE = 64*1024;
- Py_ssize_t nblocks = (nbytes + BLOCKSIZE - 1) / BLOCKSIZE;
- Py_ssize_t i;
-
- if (Py_SIZE(self) == 0)
- goto done;
-
- for (i = 0; i < nblocks; i++) {
- char* ptr = self->ob_item + i*BLOCKSIZE;
- Py_ssize_t size = BLOCKSIZE;
- PyObject *bytes, *res;
- if (i*BLOCKSIZE + size > nbytes)
- size = nbytes - i*BLOCKSIZE;
- bytes = PyBytes_FromStringAndSize(ptr, size);
- if (bytes == NULL)
- return NULL;
- res = PyObject_CallMethod(f, "write", "O", bytes);
- Py_DECREF(bytes);
- if (res == NULL)
- return NULL;
- Py_DECREF(res); /* drop write result */
- }
+ Py_ssize_t nbytes = Py_SIZE(self) * self->ob_descr->itemsize;
+ /* Write 64K blocks at a time */
+ /* XXX Make the block size settable */
+ int BLOCKSIZE = 64*1024;
+ Py_ssize_t nblocks = (nbytes + BLOCKSIZE - 1) / BLOCKSIZE;
+ Py_ssize_t i;
+
+ if (Py_SIZE(self) == 0)
+ goto done;
+
+ for (i = 0; i < nblocks; i++) {
+ char* ptr = self->ob_item + i*BLOCKSIZE;
+ Py_ssize_t size = BLOCKSIZE;
+ PyObject *bytes, *res;
+ if (i*BLOCKSIZE + size > nbytes)
+ size = nbytes - i*BLOCKSIZE;
+ bytes = PyBytes_FromStringAndSize(ptr, size);
+ if (bytes == NULL)
+ return NULL;
+ res = PyObject_CallMethod(f, "write", "O", bytes);
+ Py_DECREF(bytes);
+ if (res == NULL)
+ return NULL;
+ Py_DECREF(res); /* drop write result */
+ }
done:
- Py_INCREF(Py_None);
- return Py_None;
+ Py_INCREF(Py_None);
+ return Py_None;
}
PyDoc_STRVAR(tofile_doc,
@@ -1305,29 +1305,29 @@ Write all items (as machine values) to the file object f.");
static PyObject *
array_fromlist(arrayobject *self, PyObject *list)
{
- Py_ssize_t n;
-
- if (!PyList_Check(list)) {
- PyErr_SetString(PyExc_TypeError, "arg must be list");
- return NULL;
- }
- n = PyList_Size(list);
- if (n > 0) {
- Py_ssize_t i, old_size;
- old_size = Py_SIZE(self);
- if (array_resize(self, old_size + n) == -1)
- return NULL;
- for (i = 0; i < n; i++) {
- PyObject *v = PyList_GetItem(list, i);
- if ((*self->ob_descr->setitem)(self,
- Py_SIZE(self) - n + i, v) != 0) {
- array_resize(self, old_size);
- return NULL;
- }
- }
- }
- Py_INCREF(Py_None);
- return Py_None;
+ Py_ssize_t n;
+
+ if (!PyList_Check(list)) {
+ PyErr_SetString(PyExc_TypeError, "arg must be list");
+ return NULL;
+ }
+ n = PyList_Size(list);
+ if (n > 0) {
+ Py_ssize_t i, old_size;
+ old_size = Py_SIZE(self);
+ if (array_resize(self, old_size + n) == -1)
+ return NULL;
+ for (i = 0; i < n; i++) {
+ PyObject *v = PyList_GetItem(list, i);
+ if ((*self->ob_descr->setitem)(self,
+ Py_SIZE(self) - n + i, v) != 0) {
+ array_resize(self, old_size);
+ return NULL;
+ }
+ }
+ }
+ Py_INCREF(Py_None);
+ return Py_None;
}
PyDoc_STRVAR(fromlist_doc,
@@ -1338,20 +1338,20 @@ Append items to array from list.");
static PyObject *
array_tolist(arrayobject *self, PyObject *unused)
{
- PyObject *list = PyList_New(Py_SIZE(self));
- Py_ssize_t i;
+ PyObject *list = PyList_New(Py_SIZE(self));
+ Py_ssize_t i;
- if (list == NULL)
- return NULL;
- for (i = 0; i < Py_SIZE(self); i++) {
- PyObject *v = getarrayitem((PyObject *)self, i);
- if (v == NULL) {
- Py_DECREF(list);
- return NULL;
- }
- PyList_SetItem(list, i, v);
- }
- return list;
+ if (list == NULL)
+ return NULL;
+ for (i = 0; i < Py_SIZE(self); i++) {
+ PyObject *v = getarrayitem((PyObject *)self, i);
+ if (v == NULL) {
+ Py_DECREF(list);
+ return NULL;
+ }
+ PyList_SetItem(list, i, v);
+ }
+ return list;
}
PyDoc_STRVAR(tolist_doc,
@@ -1363,30 +1363,30 @@ Convert array to an ordinary list with the same items.");
static PyObject *
array_fromstring(arrayobject *self, PyObject *args)
{
- char *str;
- Py_ssize_t n;
- int itemsize = self->ob_descr->itemsize;
- if (!PyArg_ParseTuple(args, "s#:fromstring", &str, &n))
- return NULL;
- if (n % itemsize != 0) {
- PyErr_SetString(PyExc_ValueError,
- "string length not a multiple of item size");
- return NULL;
- }
- n = n / itemsize;
- if (n > 0) {
- Py_ssize_t old_size = Py_SIZE(self);
- if ((n > PY_SSIZE_T_MAX - old_size) ||
- ((old_size + n) > PY_SSIZE_T_MAX / itemsize)) {
- return PyErr_NoMemory();
- }
- if (array_resize(self, old_size + n) == -1)
- return NULL;
- memcpy(self->ob_item + old_size * itemsize,
- str, n * itemsize);
- }
- Py_INCREF(Py_None);
- return Py_None;
+ char *str;
+ Py_ssize_t n;
+ int itemsize = self->ob_descr->itemsize;
+ if (!PyArg_ParseTuple(args, "s#:fromstring", &str, &n))
+ return NULL;
+ if (n % itemsize != 0) {
+ PyErr_SetString(PyExc_ValueError,
+ "string length not a multiple of item size");
+ return NULL;
+ }
+ n = n / itemsize;
+ if (n > 0) {
+ Py_ssize_t old_size = Py_SIZE(self);
+ if ((n > PY_SSIZE_T_MAX - old_size) ||
+ ((old_size + n) > PY_SSIZE_T_MAX / itemsize)) {
+ return PyErr_NoMemory();
+ }
+ if (array_resize(self, old_size + n) == -1)
+ return NULL;
+ memcpy(self->ob_item + old_size * itemsize,
+ str, n * itemsize);
+ }
+ Py_INCREF(Py_None);
+ return Py_None;
}
PyDoc_STRVAR(fromstring_doc,
@@ -1399,12 +1399,12 @@ values, as if it had been read from a file using the fromfile() method).");
static PyObject *
array_tostring(arrayobject *self, PyObject *unused)
{
- if (Py_SIZE(self) <= PY_SSIZE_T_MAX / self->ob_descr->itemsize) {
- return PyBytes_FromStringAndSize(self->ob_item,
- Py_SIZE(self) * self->ob_descr->itemsize);
- } else {
- return PyErr_NoMemory();
- }
+ if (Py_SIZE(self) <= PY_SSIZE_T_MAX / self->ob_descr->itemsize) {
+ return PyBytes_FromStringAndSize(self->ob_item,
+ Py_SIZE(self) * self->ob_descr->itemsize);
+ } else {
+ return PyErr_NoMemory();
+ }
}
PyDoc_STRVAR(tostring_doc,
@@ -1418,29 +1418,29 @@ representation.");
static PyObject *
array_fromunicode(arrayobject *self, PyObject *args)
{
- Py_UNICODE *ustr;
- Py_ssize_t n;
- char typecode;
-
- if (!PyArg_ParseTuple(args, "u#:fromunicode", &ustr, &n))
- return NULL;
- typecode = self->ob_descr->typecode;
- if ((typecode != 'u')) {
- PyErr_SetString(PyExc_ValueError,
- "fromunicode() may only be called on "
- "unicode type arrays");
- return NULL;
- }
- if (n > 0) {
- Py_ssize_t old_size = Py_SIZE(self);
- if (array_resize(self, old_size + n) == -1)
- return NULL;
- memcpy(self->ob_item + old_size * sizeof(Py_UNICODE),
- ustr, n * sizeof(Py_UNICODE));
- }
-
- Py_INCREF(Py_None);
- return Py_None;
+ Py_UNICODE *ustr;
+ Py_ssize_t n;
+ char typecode;
+
+ if (!PyArg_ParseTuple(args, "u#:fromunicode", &ustr, &n))
+ return NULL;
+ typecode = self->ob_descr->typecode;
+ if ((typecode != 'u')) {
+ PyErr_SetString(PyExc_ValueError,
+ "fromunicode() may only be called on "
+ "unicode type arrays");
+ return NULL;
+ }
+ if (n > 0) {
+ Py_ssize_t old_size = Py_SIZE(self);
+ if (array_resize(self, old_size + n) == -1)
+ return NULL;
+ memcpy(self->ob_item + old_size * sizeof(Py_UNICODE),
+ ustr, n * sizeof(Py_UNICODE));
+ }
+
+ Py_INCREF(Py_None);
+ return Py_None;
}
PyDoc_STRVAR(fromunicode_doc,
@@ -1455,14 +1455,14 @@ append Unicode data to an array of some other type.");
static PyObject *
array_tounicode(arrayobject *self, PyObject *unused)
{
- char typecode;
- typecode = self->ob_descr->typecode;
- if ((typecode != 'u')) {
- PyErr_SetString(PyExc_ValueError,
- "tounicode() may only be called on unicode type arrays");
- return NULL;
- }
- return PyUnicode_FromUnicode((Py_UNICODE *) self->ob_item, Py_SIZE(self));
+ char typecode;
+ typecode = self->ob_descr->typecode;
+ if ((typecode != 'u')) {
+ PyErr_SetString(PyExc_ValueError,
+ "tounicode() may only be called on unicode type arrays");
+ return NULL;
+ }
+ return PyUnicode_FromUnicode((Py_UNICODE *) self->ob_item, Py_SIZE(self));
}
PyDoc_STRVAR(tounicode_doc,
@@ -1478,313 +1478,313 @@ an array of some other type.");
static PyObject *
array_get_typecode(arrayobject *a, void *closure)
{
- char tc = a->ob_descr->typecode;
- return PyUnicode_FromStringAndSize(&tc, 1);
+ char tc = a->ob_descr->typecode;
+ return PyUnicode_FromStringAndSize(&tc, 1);
}
static PyObject *
array_get_itemsize(arrayobject *a, void *closure)
{
- return PyLong_FromLong((long)a->ob_descr->itemsize);
+ return PyLong_FromLong((long)a->ob_descr->itemsize);
}
static PyGetSetDef array_getsets [] = {
- {"typecode", (getter) array_get_typecode, NULL,
- "the typecode character used to create the array"},
- {"itemsize", (getter) array_get_itemsize, NULL,
- "the size, in bytes, of one array item"},
- {NULL}
+ {"typecode", (getter) array_get_typecode, NULL,
+ "the typecode character used to create the array"},
+ {"itemsize", (getter) array_get_itemsize, NULL,
+ "the size, in bytes, of one array item"},
+ {NULL}
};
static PyMethodDef array_methods[] = {
- {"append", (PyCFunction)array_append, METH_O,
- append_doc},
- {"buffer_info", (PyCFunction)array_buffer_info, METH_NOARGS,
- buffer_info_doc},
- {"byteswap", (PyCFunction)array_byteswap, METH_NOARGS,
- byteswap_doc},
- {"__copy__", (PyCFunction)array_copy, METH_NOARGS,
- copy_doc},
- {"count", (PyCFunction)array_count, METH_O,
- count_doc},
- {"__deepcopy__",(PyCFunction)array_copy, METH_O,
- copy_doc},
- {"extend", (PyCFunction)array_extend, METH_O,
- extend_doc},
- {"fromfile", (PyCFunction)array_fromfile, METH_VARARGS,
- fromfile_doc},
- {"fromlist", (PyCFunction)array_fromlist, METH_O,
- fromlist_doc},
- {"fromstring", (PyCFunction)array_fromstring, METH_VARARGS,
- fromstring_doc},
- {"fromunicode", (PyCFunction)array_fromunicode, METH_VARARGS,
- fromunicode_doc},
- {"index", (PyCFunction)array_index, METH_O,
- index_doc},
- {"insert", (PyCFunction)array_insert, METH_VARARGS,
- insert_doc},
- {"pop", (PyCFunction)array_pop, METH_VARARGS,
- pop_doc},
- {"__reduce__", (PyCFunction)array_reduce, METH_NOARGS,
- array_doc},
- {"remove", (PyCFunction)array_remove, METH_O,
- remove_doc},
- {"reverse", (PyCFunction)array_reverse, METH_NOARGS,
- reverse_doc},
-/* {"sort", (PyCFunction)array_sort, METH_VARARGS,
- sort_doc},*/
- {"tofile", (PyCFunction)array_tofile, METH_O,
- tofile_doc},
- {"tolist", (PyCFunction)array_tolist, METH_NOARGS,
- tolist_doc},
- {"tostring", (PyCFunction)array_tostring, METH_NOARGS,
- tostring_doc},
- {"tounicode", (PyCFunction)array_tounicode, METH_NOARGS,
- tounicode_doc},
- {NULL, NULL} /* sentinel */
+ {"append", (PyCFunction)array_append, METH_O,
+ append_doc},
+ {"buffer_info", (PyCFunction)array_buffer_info, METH_NOARGS,
+ buffer_info_doc},
+ {"byteswap", (PyCFunction)array_byteswap, METH_NOARGS,
+ byteswap_doc},
+ {"__copy__", (PyCFunction)array_copy, METH_NOARGS,
+ copy_doc},
+ {"count", (PyCFunction)array_count, METH_O,
+ count_doc},
+ {"__deepcopy__",(PyCFunction)array_copy, METH_O,
+ copy_doc},
+ {"extend", (PyCFunction)array_extend, METH_O,
+ extend_doc},
+ {"fromfile", (PyCFunction)array_fromfile, METH_VARARGS,
+ fromfile_doc},
+ {"fromlist", (PyCFunction)array_fromlist, METH_O,
+ fromlist_doc},
+ {"fromstring", (PyCFunction)array_fromstring, METH_VARARGS,
+ fromstring_doc},
+ {"fromunicode", (PyCFunction)array_fromunicode, METH_VARARGS,
+ fromunicode_doc},
+ {"index", (PyCFunction)array_index, METH_O,
+ index_doc},
+ {"insert", (PyCFunction)array_insert, METH_VARARGS,
+ insert_doc},
+ {"pop", (PyCFunction)array_pop, METH_VARARGS,
+ pop_doc},
+ {"__reduce__", (PyCFunction)array_reduce, METH_NOARGS,
+ array_doc},
+ {"remove", (PyCFunction)array_remove, METH_O,
+ remove_doc},
+ {"reverse", (PyCFunction)array_reverse, METH_NOARGS,
+ reverse_doc},
+/* {"sort", (PyCFunction)array_sort, METH_VARARGS,
+ sort_doc},*/
+ {"tofile", (PyCFunction)array_tofile, METH_O,
+ tofile_doc},
+ {"tolist", (PyCFunction)array_tolist, METH_NOARGS,
+ tolist_doc},
+ {"tostring", (PyCFunction)array_tostring, METH_NOARGS,
+ tostring_doc},
+ {"tounicode", (PyCFunction)array_tounicode, METH_NOARGS,
+ tounicode_doc},
+ {NULL, NULL} /* sentinel */
};
static PyObject *
array_repr(arrayobject *a)
{
- char typecode;
- PyObject *s, *v = NULL;
- Py_ssize_t len;
+ char typecode;
+ PyObject *s, *v = NULL;
+ Py_ssize_t len;
- len = Py_SIZE(a);
- typecode = a->ob_descr->typecode;
- if (len == 0) {
- return PyUnicode_FromFormat("array('%c')", typecode);
- }
- if ((typecode == 'u'))
- v = array_tounicode(a, NULL);
- else
- v = array_tolist(a, NULL);
+ len = Py_SIZE(a);
+ typecode = a->ob_descr->typecode;
+ if (len == 0) {
+ return PyUnicode_FromFormat("array('%c')", typecode);
+ }
+ if ((typecode == 'u'))
+ v = array_tounicode(a, NULL);
+ else
+ v = array_tolist(a, NULL);
- s = PyUnicode_FromFormat("array('%c', %R)", typecode, v);
- Py_DECREF(v);
- return s;
+ s = PyUnicode_FromFormat("array('%c', %R)", typecode, v);
+ Py_DECREF(v);
+ return s;
}
static PyObject*
array_subscr(arrayobject* 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 += Py_SIZE(self);
- return array_item(self, i);
- }
- else if (PySlice_Check(item)) {
- Py_ssize_t start, stop, step, slicelength, cur, i;
- PyObject* result;
- arrayobject* ar;
- int itemsize = self->ob_descr->itemsize;
-
- if (PySlice_GetIndicesEx((PySliceObject*)item, Py_SIZE(self),
- &start, &stop, &step, &slicelength) < 0) {
- return NULL;
- }
-
- if (slicelength <= 0) {
- return newarrayobject(&Arraytype, 0, self->ob_descr);
- }
- else if (step == 1) {
- PyObject *result = newarrayobject(&Arraytype,
- slicelength, self->ob_descr);
- if (result == NULL)
- return NULL;
- memcpy(((arrayobject *)result)->ob_item,
- self->ob_item + start * itemsize,
- slicelength * itemsize);
- return result;
- }
- else {
- result = newarrayobject(&Arraytype, slicelength, self->ob_descr);
- if (!result) return NULL;
-
- ar = (arrayobject*)result;
-
- for (cur = start, i = 0; i < slicelength;
- cur += step, i++) {
- memcpy(ar->ob_item + i*itemsize,
- self->ob_item + cur*itemsize,
- itemsize);
- }
-
- return result;
- }
- }
- else {
- PyErr_SetString(PyExc_TypeError,
- "array indices must be integers");
- return NULL;
- }
+ 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 += Py_SIZE(self);
+ return array_item(self, i);
+ }
+ else if (PySlice_Check(item)) {
+ Py_ssize_t start, stop, step, slicelength, cur, i;
+ PyObject* result;
+ arrayobject* ar;
+ int itemsize = self->ob_descr->itemsize;
+
+ if (PySlice_GetIndicesEx((PySliceObject*)item, Py_SIZE(self),
+ &start, &stop, &step, &slicelength) < 0) {
+ return NULL;
+ }
+
+ if (slicelength <= 0) {
+ return newarrayobject(&Arraytype, 0, self->ob_descr);
+ }
+ else if (step == 1) {
+ PyObject *result = newarrayobject(&Arraytype,
+ slicelength, self->ob_descr);
+ if (result == NULL)
+ return NULL;
+ memcpy(((arrayobject *)result)->ob_item,
+ self->ob_item + start * itemsize,
+ slicelength * itemsize);
+ return result;
+ }
+ else {
+ result = newarrayobject(&Arraytype, slicelength, self->ob_descr);
+ if (!result) return NULL;
+
+ ar = (arrayobject*)result;
+
+ for (cur = start, i = 0; i < slicelength;
+ cur += step, i++) {
+ memcpy(ar->ob_item + i*itemsize,
+ self->ob_item + cur*itemsize,
+ itemsize);
+ }
+
+ return result;
+ }
+ }
+ else {
+ PyErr_SetString(PyExc_TypeError,
+ "array indices must be integers");
+ return NULL;
+ }
}
static int
array_ass_subscr(arrayobject* self, PyObject* item, PyObject* value)
{
- Py_ssize_t start, stop, step, slicelength, needed;
- arrayobject* other;
- int itemsize;
-
- if (PyIndex_Check(item)) {
- Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
-
- if (i == -1 && PyErr_Occurred())
- return -1;
- if (i < 0)
- i += Py_SIZE(self);
- if (i < 0 || i >= Py_SIZE(self)) {
- PyErr_SetString(PyExc_IndexError,
- "array assignment index out of range");
- return -1;
- }
- if (value == NULL) {
- /* Fall through to slice assignment */
- start = i;
- stop = i + 1;
- step = 1;
- slicelength = 1;
- }
- else
- return (*self->ob_descr->setitem)(self, i, value);
- }
- else if (PySlice_Check(item)) {
- if (PySlice_GetIndicesEx((PySliceObject *)item,
- Py_SIZE(self), &start, &stop,
- &step, &slicelength) < 0) {
- return -1;
- }
- }
- else {
- PyErr_SetString(PyExc_TypeError,
- "array indices must be integer");
- return -1;
- }
- if (value == NULL) {
- other = NULL;
- needed = 0;
- }
- else if (array_Check(value)) {
- other = (arrayobject *)value;
- needed = Py_SIZE(other);
- if (self == other) {
- /* Special case "self[i:j] = self" -- copy self first */
- int ret;
- value = array_slice(other, 0, needed);
- if (value == NULL)
- return -1;
- ret = array_ass_subscr(self, item, value);
- Py_DECREF(value);
- return ret;
- }
- if (other->ob_descr != self->ob_descr) {
- PyErr_BadArgument();
- return -1;
- }
- }
- else {
- PyErr_Format(PyExc_TypeError,
- "can only assign array (not \"%.200s\") to array slice",
- Py_TYPE(value)->tp_name);
- return -1;
- }
- itemsize = self->ob_descr->itemsize;
- /* for 'a[2:1] = ...', the insertion point is 'start', not 'stop' */
- if ((step > 0 && stop < start) ||
- (step < 0 && stop > start))
- stop = start;
-
- /* Issue #4509: If the array has exported buffers and the slice
- assignment would change the size of the array, fail early to make
- sure we don't modify it. */
- if ((needed == 0 || slicelength != needed) && self->ob_exports > 0) {
- PyErr_SetString(PyExc_BufferError,
- "cannot resize an array that is exporting buffers");
- return -1;
- }
-
- if (step == 1) {
- if (slicelength > needed) {
- memmove(self->ob_item + (start + needed) * itemsize,
- self->ob_item + stop * itemsize,
- (Py_SIZE(self) - stop) * itemsize);
- if (array_resize(self, Py_SIZE(self) +
- needed - slicelength) < 0)
- return -1;
- }
- else if (slicelength < needed) {
- if (array_resize(self, Py_SIZE(self) +
- needed - slicelength) < 0)
- return -1;
- memmove(self->ob_item + (start + needed) * itemsize,
- self->ob_item + stop * itemsize,
- (Py_SIZE(self) - start - needed) * itemsize);
- }
- if (needed > 0)
- memcpy(self->ob_item + start * itemsize,
- other->ob_item, needed * itemsize);
- return 0;
- }
- else if (needed == 0) {
- /* Delete slice */
- size_t cur;
- Py_ssize_t i;
-
- if (step < 0) {
- stop = start + 1;
- start = stop + step * (slicelength - 1) - 1;
- step = -step;
- }
- for (cur = start, i = 0; i < slicelength;
- cur += step, i++) {
- Py_ssize_t lim = step - 1;
-
- if (cur + step >= (size_t)Py_SIZE(self))
- lim = Py_SIZE(self) - cur - 1;
- memmove(self->ob_item + (cur - i) * itemsize,
- self->ob_item + (cur + 1) * itemsize,
- lim * itemsize);
- }
- cur = start + slicelength * step;
- if (cur < (size_t)Py_SIZE(self)) {
- memmove(self->ob_item + (cur-slicelength) * itemsize,
- self->ob_item + cur * itemsize,
- (Py_SIZE(self) - cur) * itemsize);
- }
- if (array_resize(self, Py_SIZE(self) - slicelength) < 0)
- return -1;
- return 0;
- }
- else {
- Py_ssize_t cur, i;
-
- if (needed != slicelength) {
- PyErr_Format(PyExc_ValueError,
- "attempt to assign array of size %zd "
- "to extended slice of size %zd",
- needed, slicelength);
- return -1;
- }
- for (cur = start, i = 0; i < slicelength;
- cur += step, i++) {
- memcpy(self->ob_item + cur * itemsize,
- other->ob_item + i * itemsize,
- itemsize);
- }
- return 0;
- }
+ Py_ssize_t start, stop, step, slicelength, needed;
+ arrayobject* other;
+ int itemsize;
+
+ if (PyIndex_Check(item)) {
+ Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
+
+ if (i == -1 && PyErr_Occurred())
+ return -1;
+ if (i < 0)
+ i += Py_SIZE(self);
+ if (i < 0 || i >= Py_SIZE(self)) {
+ PyErr_SetString(PyExc_IndexError,
+ "array assignment index out of range");
+ return -1;
+ }
+ if (value == NULL) {
+ /* Fall through to slice assignment */
+ start = i;
+ stop = i + 1;
+ step = 1;
+ slicelength = 1;
+ }
+ else
+ return (*self->ob_descr->setitem)(self, i, value);
+ }
+ else if (PySlice_Check(item)) {
+ if (PySlice_GetIndicesEx((PySliceObject *)item,
+ Py_SIZE(self), &start, &stop,
+ &step, &slicelength) < 0) {
+ return -1;
+ }
+ }
+ else {
+ PyErr_SetString(PyExc_TypeError,
+ "array indices must be integer");
+ return -1;
+ }
+ if (value == NULL) {
+ other = NULL;
+ needed = 0;
+ }
+ else if (array_Check(value)) {
+ other = (arrayobject *)value;
+ needed = Py_SIZE(other);
+ if (self == other) {
+ /* Special case "self[i:j] = self" -- copy self first */
+ int ret;
+ value = array_slice(other, 0, needed);
+ if (value == NULL)
+ return -1;
+ ret = array_ass_subscr(self, item, value);
+ Py_DECREF(value);
+ return ret;
+ }
+ if (other->ob_descr != self->ob_descr) {
+ PyErr_BadArgument();
+ return -1;
+ }
+ }
+ else {
+ PyErr_Format(PyExc_TypeError,
+ "can only assign array (not \"%.200s\") to array slice",
+ Py_TYPE(value)->tp_name);
+ return -1;
+ }
+ itemsize = self->ob_descr->itemsize;
+ /* for 'a[2:1] = ...', the insertion point is 'start', not 'stop' */
+ if ((step > 0 && stop < start) ||
+ (step < 0 && stop > start))
+ stop = start;
+
+ /* Issue #4509: If the array has exported buffers and the slice
+ assignment would change the size of the array, fail early to make
+ sure we don't modify it. */
+ if ((needed == 0 || slicelength != needed) && self->ob_exports > 0) {
+ PyErr_SetString(PyExc_BufferError,
+ "cannot resize an array that is exporting buffers");
+ return -1;
+ }
+
+ if (step == 1) {
+ if (slicelength > needed) {
+ memmove(self->ob_item + (start + needed) * itemsize,
+ self->ob_item + stop * itemsize,
+ (Py_SIZE(self) - stop) * itemsize);
+ if (array_resize(self, Py_SIZE(self) +
+ needed - slicelength) < 0)
+ return -1;
+ }
+ else if (slicelength < needed) {
+ if (array_resize(self, Py_SIZE(self) +
+ needed - slicelength) < 0)
+ return -1;
+ memmove(self->ob_item + (start + needed) * itemsize,
+ self->ob_item + stop * itemsize,
+ (Py_SIZE(self) - start - needed) * itemsize);
+ }
+ if (needed > 0)
+ memcpy(self->ob_item + start * itemsize,
+ other->ob_item, needed * itemsize);
+ return 0;
+ }
+ else if (needed == 0) {
+ /* Delete slice */
+ size_t cur;
+ Py_ssize_t i;
+
+ if (step < 0) {
+ stop = start + 1;
+ start = stop + step * (slicelength - 1) - 1;
+ step = -step;
+ }
+ for (cur = start, i = 0; i < slicelength;
+ cur += step, i++) {
+ Py_ssize_t lim = step - 1;
+
+ if (cur + step >= (size_t)Py_SIZE(self))
+ lim = Py_SIZE(self) - cur - 1;
+ memmove(self->ob_item + (cur - i) * itemsize,
+ self->ob_item + (cur + 1) * itemsize,
+ lim * itemsize);
+ }
+ cur = start + slicelength * step;
+ if (cur < (size_t)Py_SIZE(self)) {
+ memmove(self->ob_item + (cur-slicelength) * itemsize,
+ self->ob_item + cur * itemsize,
+ (Py_SIZE(self) - cur) * itemsize);
+ }
+ if (array_resize(self, Py_SIZE(self) - slicelength) < 0)
+ return -1;
+ return 0;
+ }
+ else {
+ Py_ssize_t cur, i;
+
+ if (needed != slicelength) {
+ PyErr_Format(PyExc_ValueError,
+ "attempt to assign array of size %zd "
+ "to extended slice of size %zd",
+ needed, slicelength);
+ return -1;
+ }
+ for (cur = start, i = 0; i < slicelength;
+ cur += step, i++) {
+ memcpy(self->ob_item + cur * itemsize,
+ other->ob_item + i * itemsize,
+ itemsize);
+ }
+ return 0;
+ }
}
static PyMappingMethods array_as_mapping = {
- (lenfunc)array_length,
- (binaryfunc)array_subscr,
- (objobjargproc)array_ass_subscr
+ (lenfunc)array_length,
+ (binaryfunc)array_subscr,
+ (objobjargproc)array_ass_subscr
};
static const void *emptybuf = "";
@@ -1793,173 +1793,173 @@ static const void *emptybuf = "";
static int
array_buffer_getbuf(arrayobject *self, Py_buffer *view, int flags)
{
- if (view==NULL) goto finish;
-
- view->buf = (void *)self->ob_item;
- view->obj = (PyObject*)self;
- Py_INCREF(self);
- if (view->buf == NULL)
- view->buf = (void *)emptybuf;
- view->len = (Py_SIZE(self)) * self->ob_descr->itemsize;
- view->readonly = 0;
- view->ndim = 1;
- view->itemsize = self->ob_descr->itemsize;
- view->suboffsets = NULL;
- view->shape = NULL;
- if ((flags & PyBUF_ND)==PyBUF_ND) {
- view->shape = &((Py_SIZE(self)));
- }
- view->strides = NULL;
- if ((flags & PyBUF_STRIDES)==PyBUF_STRIDES)
- view->strides = &(view->itemsize);
- view->format = NULL;
- view->internal = NULL;
- if ((flags & PyBUF_FORMAT) == PyBUF_FORMAT) {
- view->format = self->ob_descr->formats;
+ if (view==NULL) goto finish;
+
+ view->buf = (void *)self->ob_item;
+ view->obj = (PyObject*)self;
+ Py_INCREF(self);
+ if (view->buf == NULL)
+ view->buf = (void *)emptybuf;
+ view->len = (Py_SIZE(self)) * self->ob_descr->itemsize;
+ view->readonly = 0;
+ view->ndim = 1;
+ view->itemsize = self->ob_descr->itemsize;
+ view->suboffsets = NULL;
+ view->shape = NULL;
+ if ((flags & PyBUF_ND)==PyBUF_ND) {
+ view->shape = &((Py_SIZE(self)));
+ }
+ view->strides = NULL;
+ if ((flags & PyBUF_STRIDES)==PyBUF_STRIDES)
+ view->strides = &(view->itemsize);
+ view->format = NULL;
+ view->internal = NULL;
+ if ((flags & PyBUF_FORMAT) == PyBUF_FORMAT) {
+ view->format = self->ob_descr->formats;
#ifdef Py_UNICODE_WIDE
- if (self->ob_descr->typecode == 'u') {
- view->format = "w";
- }
-#endif
+ if (self->ob_descr->typecode == 'u') {
+ view->format = "w";
}
+#endif
+ }
finish:
- self->ob_exports++;
- return 0;
+ self->ob_exports++;
+ return 0;
}
static void
array_buffer_relbuf(arrayobject *self, Py_buffer *view)
{
- self->ob_exports--;
+ self->ob_exports--;
}
static PySequenceMethods array_as_sequence = {
- (lenfunc)array_length, /*sq_length*/
- (binaryfunc)array_concat, /*sq_concat*/
- (ssizeargfunc)array_repeat, /*sq_repeat*/
- (ssizeargfunc)array_item, /*sq_item*/
- 0, /*sq_slice*/
- (ssizeobjargproc)array_ass_item, /*sq_ass_item*/
- 0, /*sq_ass_slice*/
- (objobjproc)array_contains, /*sq_contains*/
- (binaryfunc)array_inplace_concat, /*sq_inplace_concat*/
- (ssizeargfunc)array_inplace_repeat /*sq_inplace_repeat*/
+ (lenfunc)array_length, /*sq_length*/
+ (binaryfunc)array_concat, /*sq_concat*/
+ (ssizeargfunc)array_repeat, /*sq_repeat*/
+ (ssizeargfunc)array_item, /*sq_item*/
+ 0, /*sq_slice*/
+ (ssizeobjargproc)array_ass_item, /*sq_ass_item*/
+ 0, /*sq_ass_slice*/
+ (objobjproc)array_contains, /*sq_contains*/
+ (binaryfunc)array_inplace_concat, /*sq_inplace_concat*/
+ (ssizeargfunc)array_inplace_repeat /*sq_inplace_repeat*/
};
static PyBufferProcs array_as_buffer = {
- (getbufferproc)array_buffer_getbuf,
- (releasebufferproc)array_buffer_relbuf
+ (getbufferproc)array_buffer_getbuf,
+ (releasebufferproc)array_buffer_relbuf
};
static PyObject *
array_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
- int c;
- PyObject *initial = NULL, *it = NULL;
- struct arraydescr *descr;
-
- if (type == &Arraytype && !_PyArg_NoKeywords("array.array()", kwds))
- return NULL;
-
- if (!PyArg_ParseTuple(args, "C|O:array", &c, &initial))
- return NULL;
-
- if (!(initial == NULL || PyList_Check(initial)
- || PyByteArray_Check(initial)
- || PyBytes_Check(initial)
- || PyTuple_Check(initial)
- || ((c=='u') && PyUnicode_Check(initial)))) {
- it = PyObject_GetIter(initial);
- if (it == NULL)
- return NULL;
- /* We set initial to NULL so that the subsequent code
- will create an empty array of the appropriate type
- and afterwards we can use array_iter_extend to populate
- the array.
- */
- initial = NULL;
- }
- for (descr = descriptors; descr->typecode != '\0'; descr++) {
- if (descr->typecode == c) {
- PyObject *a;
- Py_ssize_t len;
-
- if (initial == NULL || !(PyList_Check(initial)
- || PyTuple_Check(initial)))
- len = 0;
- else
- len = PySequence_Size(initial);
-
- a = newarrayobject(type, len, descr);
- if (a == NULL)
- return NULL;
-
- if (len > 0) {
- Py_ssize_t i;
- for (i = 0; i < len; i++) {
- PyObject *v =
- PySequence_GetItem(initial, i);
- if (v == NULL) {
- Py_DECREF(a);
- return NULL;
- }
- if (setarrayitem(a, i, v) != 0) {
- Py_DECREF(v);
- Py_DECREF(a);
- return NULL;
- }
- Py_DECREF(v);
- }
- }
- else if (initial != NULL && (PyByteArray_Check(initial) ||
- PyBytes_Check(initial))) {
- PyObject *t_initial, *v;
- t_initial = PyTuple_Pack(1, initial);
- if (t_initial == NULL) {
- Py_DECREF(a);
- return NULL;
- }
- v = array_fromstring((arrayobject *)a,
- t_initial);
- Py_DECREF(t_initial);
- if (v == NULL) {
- Py_DECREF(a);
- return NULL;
- }
- Py_DECREF(v);
- }
- else if (initial != NULL && PyUnicode_Check(initial)) {
- Py_ssize_t n = PyUnicode_GET_DATA_SIZE(initial);
- if (n > 0) {
- arrayobject *self = (arrayobject *)a;
- char *item = self->ob_item;
- item = (char *)PyMem_Realloc(item, n);
- if (item == NULL) {
- PyErr_NoMemory();
- Py_DECREF(a);
- return NULL;
- }
- self->ob_item = item;
- Py_SIZE(self) = n / sizeof(Py_UNICODE);
- memcpy(item, PyUnicode_AS_DATA(initial), n);
- self->allocated = Py_SIZE(self);
- }
- }
- if (it != NULL) {
- if (array_iter_extend((arrayobject *)a, it) == -1) {
- Py_DECREF(it);
- Py_DECREF(a);
- return NULL;
- }
- Py_DECREF(it);
- }
- return a;
- }
- }
- PyErr_SetString(PyExc_ValueError,
- "bad typecode (must be b, B, u, h, H, i, I, l, L, f or d)");
- return NULL;
+ int c;
+ PyObject *initial = NULL, *it = NULL;
+ struct arraydescr *descr;
+
+ if (type == &Arraytype && !_PyArg_NoKeywords("array.array()", kwds))
+ return NULL;
+
+ if (!PyArg_ParseTuple(args, "C|O:array", &c, &initial))
+ return NULL;
+
+ if (!(initial == NULL || PyList_Check(initial)
+ || PyByteArray_Check(initial)
+ || PyBytes_Check(initial)
+ || PyTuple_Check(initial)
+ || ((c=='u') && PyUnicode_Check(initial)))) {
+ it = PyObject_GetIter(initial);
+ if (it == NULL)
+ return NULL;
+ /* We set initial to NULL so that the subsequent code
+ will create an empty array of the appropriate type
+ and afterwards we can use array_iter_extend to populate
+ the array.
+ */
+ initial = NULL;
+ }
+ for (descr = descriptors; descr->typecode != '\0'; descr++) {
+ if (descr->typecode == c) {
+ PyObject *a;
+ Py_ssize_t len;
+
+ if (initial == NULL || !(PyList_Check(initial)
+ || PyTuple_Check(initial)))
+ len = 0;
+ else
+ len = PySequence_Size(initial);
+
+ a = newarrayobject(type, len, descr);
+ if (a == NULL)
+ return NULL;
+
+ if (len > 0) {
+ Py_ssize_t i;
+ for (i = 0; i < len; i++) {
+ PyObject *v =
+ PySequence_GetItem(initial, i);
+ if (v == NULL) {
+ Py_DECREF(a);
+ return NULL;
+ }
+ if (setarrayitem(a, i, v) != 0) {
+ Py_DECREF(v);
+ Py_DECREF(a);
+ return NULL;
+ }
+ Py_DECREF(v);
+ }
+ }
+ else if (initial != NULL && (PyByteArray_Check(initial) ||
+ PyBytes_Check(initial))) {
+ PyObject *t_initial, *v;
+ t_initial = PyTuple_Pack(1, initial);
+ if (t_initial == NULL) {
+ Py_DECREF(a);
+ return NULL;
+ }
+ v = array_fromstring((arrayobject *)a,
+ t_initial);
+ Py_DECREF(t_initial);
+ if (v == NULL) {
+ Py_DECREF(a);
+ return NULL;
+ }
+ Py_DECREF(v);
+ }
+ else if (initial != NULL && PyUnicode_Check(initial)) {
+ Py_ssize_t n = PyUnicode_GET_DATA_SIZE(initial);
+ if (n > 0) {
+ arrayobject *self = (arrayobject *)a;
+ char *item = self->ob_item;
+ item = (char *)PyMem_Realloc(item, n);
+ if (item == NULL) {
+ PyErr_NoMemory();
+ Py_DECREF(a);
+ return NULL;
+ }
+ self->ob_item = item;
+ Py_SIZE(self) = n / sizeof(Py_UNICODE);
+ memcpy(item, PyUnicode_AS_DATA(initial), n);
+ self->allocated = Py_SIZE(self);
+ }
+ }
+ if (it != NULL) {
+ if (array_iter_extend((arrayobject *)a, it) == -1) {
+ Py_DECREF(it);
+ Py_DECREF(a);
+ return NULL;
+ }
+ Py_DECREF(it);
+ }
+ return a;
+ }
+ }
+ PyErr_SetString(PyExc_ValueError,
+ "bad typecode (must be b, B, u, h, H, i, I, l, L, f or d)");
+ return NULL;
}
@@ -2030,55 +2030,55 @@ itemsize -- the length in bytes of one array item\n\
static PyObject *array_iter(arrayobject *ao);
static PyTypeObject Arraytype = {
- PyVarObject_HEAD_INIT(NULL, 0)
- "array.array",
- sizeof(arrayobject),
- 0,
- (destructor)array_dealloc, /* tp_dealloc */
- 0, /* tp_print */
- 0, /* tp_getattr */
- 0, /* tp_setattr */
- 0, /* tp_reserved */
- (reprfunc)array_repr, /* tp_repr */
- 0, /* tp_as_number*/
- &array_as_sequence, /* tp_as_sequence*/
- &array_as_mapping, /* tp_as_mapping*/
- 0, /* tp_hash */
- 0, /* tp_call */
- 0, /* tp_str */
- PyObject_GenericGetAttr, /* tp_getattro */
- 0, /* tp_setattro */
- &array_as_buffer, /* tp_as_buffer*/
- Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
- arraytype_doc, /* tp_doc */
- 0, /* tp_traverse */
- 0, /* tp_clear */
- array_richcompare, /* tp_richcompare */
- offsetof(arrayobject, weakreflist), /* tp_weaklistoffset */
- (getiterfunc)array_iter, /* tp_iter */
- 0, /* tp_iternext */
- array_methods, /* tp_methods */
- 0, /* tp_members */
- array_getsets, /* tp_getset */
- 0, /* tp_base */
- 0, /* tp_dict */
- 0, /* tp_descr_get */
- 0, /* tp_descr_set */
- 0, /* tp_dictoffset */
- 0, /* tp_init */
- PyType_GenericAlloc, /* tp_alloc */
- array_new, /* tp_new */
- PyObject_Del, /* tp_free */
+ PyVarObject_HEAD_INIT(NULL, 0)
+ "array.array",
+ sizeof(arrayobject),
+ 0,
+ (destructor)array_dealloc, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_reserved */
+ (reprfunc)array_repr, /* tp_repr */
+ 0, /* tp_as_number*/
+ &array_as_sequence, /* tp_as_sequence*/
+ &array_as_mapping, /* tp_as_mapping*/
+ 0, /* tp_hash */
+ 0, /* tp_call */
+ 0, /* tp_str */
+ PyObject_GenericGetAttr, /* tp_getattro */
+ 0, /* tp_setattro */
+ &array_as_buffer, /* tp_as_buffer*/
+ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
+ arraytype_doc, /* tp_doc */
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ array_richcompare, /* tp_richcompare */
+ offsetof(arrayobject, weakreflist), /* tp_weaklistoffset */
+ (getiterfunc)array_iter, /* tp_iter */
+ 0, /* tp_iternext */
+ array_methods, /* tp_methods */
+ 0, /* tp_members */
+ array_getsets, /* tp_getset */
+ 0, /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ 0, /* tp_init */
+ PyType_GenericAlloc, /* tp_alloc */
+ array_new, /* tp_new */
+ PyObject_Del, /* tp_free */
};
/*********************** Array Iterator **************************/
typedef struct {
- PyObject_HEAD
- Py_ssize_t index;
- arrayobject *ao;
- PyObject * (*getitem)(struct arrayobject *, Py_ssize_t);
+ PyObject_HEAD
+ Py_ssize_t index;
+ arrayobject *ao;
+ PyObject * (*getitem)(struct arrayobject *, Py_ssize_t);
} arrayiterobject;
static PyTypeObject PyArrayIter_Type;
@@ -2088,79 +2088,79 @@ static PyTypeObject PyArrayIter_Type;
static PyObject *
array_iter(arrayobject *ao)
{
- arrayiterobject *it;
+ arrayiterobject *it;
- if (!array_Check(ao)) {
- PyErr_BadInternalCall();
- return NULL;
- }
+ if (!array_Check(ao)) {
+ PyErr_BadInternalCall();
+ return NULL;
+ }
- it = PyObject_GC_New(arrayiterobject, &PyArrayIter_Type);
- if (it == NULL)
- return NULL;
+ it = PyObject_GC_New(arrayiterobject, &PyArrayIter_Type);
+ if (it == NULL)
+ return NULL;
- Py_INCREF(ao);
- it->ao = ao;
- it->index = 0;
- it->getitem = ao->ob_descr->getitem;
- PyObject_GC_Track(it);
- return (PyObject *)it;
+ Py_INCREF(ao);
+ it->ao = ao;
+ it->index = 0;
+ it->getitem = ao->ob_descr->getitem;
+ PyObject_GC_Track(it);
+ return (PyObject *)it;
}
static PyObject *
arrayiter_next(arrayiterobject *it)
{
- assert(PyArrayIter_Check(it));
- if (it->index < Py_SIZE(it->ao))
- return (*it->getitem)(it->ao, it->index++);
- return NULL;
+ assert(PyArrayIter_Check(it));
+ if (it->index < Py_SIZE(it->ao))
+ return (*it->getitem)(it->ao, it->index++);
+ return NULL;
}
static void
arrayiter_dealloc(arrayiterobject *it)
{
- PyObject_GC_UnTrack(it);
- Py_XDECREF(it->ao);
- PyObject_GC_Del(it);
+ PyObject_GC_UnTrack(it);
+ Py_XDECREF(it->ao);
+ PyObject_GC_Del(it);
}
static int
arrayiter_traverse(arrayiterobject *it, visitproc visit, void *arg)
{
- Py_VISIT(it->ao);
- return 0;
+ Py_VISIT(it->ao);
+ return 0;
}
static PyTypeObject PyArrayIter_Type = {
- PyVarObject_HEAD_INIT(NULL, 0)
- "arrayiterator", /* tp_name */
- sizeof(arrayiterobject), /* tp_basicsize */
- 0, /* tp_itemsize */
- /* methods */
- (destructor)arrayiter_dealloc, /* tp_dealloc */
- 0, /* tp_print */
- 0, /* tp_getattr */
- 0, /* tp_setattr */
- 0, /* tp_reserved */
- 0, /* tp_repr */
- 0, /* tp_as_number */
- 0, /* tp_as_sequence */
- 0, /* tp_as_mapping */
- 0, /* tp_hash */
- 0, /* tp_call */
- 0, /* tp_str */
- PyObject_GenericGetAttr, /* tp_getattro */
- 0, /* tp_setattro */
- 0, /* tp_as_buffer */
- Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */
- 0, /* tp_doc */
- (traverseproc)arrayiter_traverse, /* tp_traverse */
- 0, /* tp_clear */
- 0, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
- PyObject_SelfIter, /* tp_iter */
- (iternextfunc)arrayiter_next, /* tp_iternext */
- 0, /* tp_methods */
+ PyVarObject_HEAD_INIT(NULL, 0)
+ "arrayiterator", /* tp_name */
+ sizeof(arrayiterobject), /* tp_basicsize */
+ 0, /* tp_itemsize */
+ /* methods */
+ (destructor)arrayiter_dealloc, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_reserved */
+ 0, /* tp_repr */
+ 0, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ 0, /* tp_as_mapping */
+ 0, /* tp_hash */
+ 0, /* tp_call */
+ 0, /* tp_str */
+ PyObject_GenericGetAttr, /* tp_getattro */
+ 0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */
+ 0, /* tp_doc */
+ (traverseproc)arrayiter_traverse, /* tp_traverse */
+ 0, /* tp_clear */
+ 0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ PyObject_SelfIter, /* tp_iter */
+ (iternextfunc)arrayiter_next, /* tp_iternext */
+ 0, /* tp_methods */
};
@@ -2172,54 +2172,54 @@ static PyMethodDef a_methods[] = {
};
static struct PyModuleDef arraymodule = {
- PyModuleDef_HEAD_INIT,
- "array",
- module_doc,
- -1,
- a_methods,
- NULL,
- NULL,
- NULL,
- NULL
+ PyModuleDef_HEAD_INIT,
+ "array",
+ module_doc,
+ -1,
+ a_methods,
+ NULL,
+ NULL,
+ NULL,
+ NULL
};
PyMODINIT_FUNC
PyInit_array(void)
{
- PyObject *m;
- PyObject *typecodes;
- Py_ssize_t size = 0;
- register Py_UNICODE *p;
- struct arraydescr *descr;
-
- if (PyType_Ready(&Arraytype) < 0)
- return NULL;
- Py_TYPE(&PyArrayIter_Type) = &PyType_Type;
- m = PyModule_Create(&arraymodule);
- if (m == NULL)
- return NULL;
-
- Py_INCREF((PyObject *)&Arraytype);
- PyModule_AddObject(m, "ArrayType", (PyObject *)&Arraytype);
- Py_INCREF((PyObject *)&Arraytype);
- PyModule_AddObject(m, "array", (PyObject *)&Arraytype);
-
- for (descr=descriptors; descr->typecode != '\0'; descr++) {
- size++;
- }
-
- typecodes = PyUnicode_FromStringAndSize(NULL, size);
- p = PyUnicode_AS_UNICODE(typecodes);
- for (descr = descriptors; descr->typecode != '\0'; descr++) {
- *p++ = (char)descr->typecode;
- }
-
- PyModule_AddObject(m, "typecodes", (PyObject *)typecodes);
-
- if (PyErr_Occurred()) {
- Py_DECREF(m);
- m = NULL;
- }
- return m;
+ PyObject *m;
+ PyObject *typecodes;
+ Py_ssize_t size = 0;
+ register Py_UNICODE *p;
+ struct arraydescr *descr;
+
+ if (PyType_Ready(&Arraytype) < 0)
+ return NULL;
+ Py_TYPE(&PyArrayIter_Type) = &PyType_Type;
+ m = PyModule_Create(&arraymodule);
+ if (m == NULL)
+ return NULL;
+
+ Py_INCREF((PyObject *)&Arraytype);
+ PyModule_AddObject(m, "ArrayType", (PyObject *)&Arraytype);
+ Py_INCREF((PyObject *)&Arraytype);
+ PyModule_AddObject(m, "array", (PyObject *)&Arraytype);
+
+ for (descr=descriptors; descr->typecode != '\0'; descr++) {
+ size++;
+ }
+
+ typecodes = PyUnicode_FromStringAndSize(NULL, size);
+ p = PyUnicode_AS_UNICODE(typecodes);
+ for (descr = descriptors; descr->typecode != '\0'; descr++) {
+ *p++ = (char)descr->typecode;
+ }
+
+ PyModule_AddObject(m, "typecodes", (PyObject *)typecodes);
+
+ if (PyErr_Occurred()) {
+ Py_DECREF(m);
+ m = NULL;
+ }
+ return m;
}