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Kirill Smelkov
cpython
Commits
ccb64a2b
Commit
ccb64a2b
authored
Dec 04, 1997
by
Guido van Rossum
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New versions of cPickle and cStringIO, from Jim Fulton's cPickle 1.0b1
distribution.
parent
b0d9d87f
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2
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648 additions
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345 deletions
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-345
Modules/cPickle.c
Modules/cPickle.c
+633
-246
Modules/cStringIO.c
Modules/cStringIO.c
+15
-99
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Modules/cPickle.c
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ccb64a2b
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Modules/cStringIO.c
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ccb64a2b
/*
$Id$
cStringIO.c,v 1.23 1997/12/04 00:12:05 jim Exp
A simple fast partial StringIO replacement.
...
...
@@ -85,7 +85,7 @@ static char cStringIO_module_documentation[] =
"If someone else wants to provide a more complete implementation,
\n
"
"go for it. :-)
\n
"
"
\n
"
"
$Id$
\n
"
"
cStringIO.c,v 1.23 1997/12/04 00:12:05 jim Exp
\n
"
;
#include "Python.h"
...
...
@@ -141,17 +141,14 @@ static PyObject *
O_seek
(
Oobject
*
self
,
PyObject
*
args
)
{
int
position
,
mode
=
0
;
UNLESS
(
PyArg_ParseTuple
(
args
,
"i|i"
,
&
position
,
&
mode
))
{
UNLESS
(
PyArg_ParseTuple
(
args
,
"i|i"
,
&
position
,
&
mode
))
{
return
NULL
;
}
if
(
mode
==
2
)
{
if
(
mode
==
2
)
{
position
+=
self
->
string_size
;
}
else
if
(
mode
==
1
)
{
else
if
(
mode
==
1
)
{
position
+=
self
->
pos
;
}
...
...
@@ -171,8 +168,7 @@ O_cread(PyObject *self, char **output, int n) {
int
l
;
l
=
((
Oobject
*
)
self
)
->
string_size
-
((
Oobject
*
)
self
)
->
pos
;
if
(
n
<
0
||
n
>
l
)
{
if
(
n
<
0
||
n
>
l
)
{
n
=
l
;
}
...
...
@@ -234,14 +230,12 @@ O_cwrite(PyObject *self, char *c, int l) {
int
newl
;
newl
=
((
Oobject
*
)
self
)
->
pos
+
l
;
if
(
newl
>=
((
Oobject
*
)
self
)
->
buf_size
)
{
if
(
newl
>=
((
Oobject
*
)
self
)
->
buf_size
)
{
((
Oobject
*
)
self
)
->
buf_size
*=
2
;
if
(((
Oobject
*
)
self
)
->
buf_size
<=
newl
)
((
Oobject
*
)
self
)
->
buf_size
=
newl
+
1
;
UNLESS
(((
Oobject
*
)
self
)
->
buf
=
(
char
*
)
realloc
(((
Oobject
*
)
self
)
->
buf
,
(((
Oobject
*
)
self
)
->
buf_size
)
*
sizeof
(
char
)))
{
(((
Oobject
*
)
self
)
->
buf_size
)
*
sizeof
(
char
)))
{
PyErr_SetString
(
PyExc_MemoryError
,
"out of memory"
);
((
Oobject
*
)
self
)
->
buf_size
=
((
Oobject
*
)
self
)
->
pos
=
0
;
return
-
1
;
...
...
@@ -252,8 +246,7 @@ O_cwrite(PyObject *self, char *c, int l) {
((
Oobject
*
)
self
)
->
pos
+=
l
;
if
(((
Oobject
*
)
self
)
->
string_size
<
((
Oobject
*
)
self
)
->
pos
)
{
if
(((
Oobject
*
)
self
)
->
string_size
<
((
Oobject
*
)
self
)
->
pos
)
{
((
Oobject
*
)
self
)
->
string_size
=
((
Oobject
*
)
self
)
->
pos
;
}
...
...
@@ -340,29 +333,24 @@ O_writelines(Oobject *self, PyObject *args) {
PyObject
*
string_module
=
0
;
static
PyObject
*
string_joinfields
=
0
;
UNLESS
(
PyArg_Parse
(
args
,
"O"
,
args
))
{
UNLESS
(
PyArg_Parse
(
args
,
"O"
,
args
))
{
return
NULL
;
}
if
(
!
string_joinfields
)
{
UNLESS
(
string_module
=
PyImport_ImportModule
(
"string"
))
{
if
(
!
string_joinfields
)
{
UNLESS
(
string_module
=
PyImport_ImportModule
(
"string"
))
{
return
NULL
;
}
UNLESS
(
string_joinfields
=
PyObject_GetAttrString
(
string_module
,
"joinfields"
))
{
PyObject_GetAttrString
(
string_module
,
"joinfields"
))
{
return
NULL
;
}
Py_DECREF
(
string_module
);
}
if
(
PyObject_Length
(
args
)
==
-
1
)
{
if
(
PyObject_Length
(
args
)
==
-
1
)
{
return
NULL
;
}
...
...
@@ -462,8 +450,7 @@ newOobject(int size) {
self
->
string_size
=
0
;
self
->
softspace
=
0
;
UNLESS
(
self
->
buf
=
malloc
(
size
*
sizeof
(
char
)))
{
UNLESS
(
self
->
buf
=
malloc
(
size
*
sizeof
(
char
)))
{
PyErr_SetString
(
PyExc_MemoryError
,
"out of memory"
);
self
->
buf_size
=
0
;
return
NULL
;
...
...
@@ -628,74 +615,3 @@ initcStringIO() {
/* Check for errors */
if
(
PyErr_Occurred
())
Py_FatalError
(
"can't initialize module cStringIO"
);
}
/******************************************************************************
$Log$
Revision 2.8 1997/09/03 18:19:38 guido
#Plug small memory leaks in constructors.
Revision 2.7 1997/09/03 00:09:26 guido
Fix the bug Jeremy was experiencing: both the close() and the
dealloc() functions contained code to free/DECREF the buffer
(there were differences between I and O objects but the logic bug was
the same). Fixed this be setting the buffer pointer to NULL and
testing for that. (This also makes it safe to call close() more than
once.)
XXX Worry: what if you try to read() or write() once the thing is
closed?
Revision 2.6 1997/08/13 03:14:41 guido
cPickle release 0.3 from Jim Fulton
Revision 1.21 1997/06/19 18:51:42 jim
Added ident string.
Revision 1.20 1997/06/13 20:50:50 jim
- Various changes to make gcc -Wall -pedantic happy, including
getting rid of staticforward declarations and adding pretend use
of two statics defined in .h file.
Revision 1.19 1997/06/02 18:15:17 jim
Merged in guido's changes.
Revision 1.18 1997/05/07 16:26:47 jim
getvalue() can nor be given an argument. If this argument is true,
then getvalue returns the text upto the current position. Otherwise
it returns all of the text. The default value of the argument is
false.
Revision 1.17 1997/04/17 18:02:46 chris
getvalue() now returns entire string, not just the string up to
current position
Revision 2.5 1997/04/11 19:56:06 guido
My own patch: support writable 'softspace' attribute.
> Jim asked: What is softspace for?
It's an old feature. The print statement uses this to remember
whether it should insert a space before the next item or not.
Implementation is in fileobject.c.
Revision 1.11 1997/01/23 20:45:01 jim
ANSIfied it.
Changed way C API was exported.
Revision 1.10 1997/01/02 15:19:55 chris
checked in to be sure repository is up to date.
Revision 1.9 1996/12/27 21:40:29 jim
Took out some lamosities in interface, like returning self from
write.
Revision 1.8 1996/12/23 15:52:49 jim
Added ifdef to check for CObject before using it.
Revision 1.7 1996/12/23 15:22:35 jim
Finished implementation, adding full compatibility with StringIO, and
then some.
*****************************************************************************/
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