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-rw-r--r--Modules/cStringIO.c339
1 files changed, 140 insertions, 199 deletions
diff --git a/Modules/cStringIO.c b/Modules/cStringIO.c
index 72c7a4c..107f889 100644
--- a/Modules/cStringIO.c
+++ b/Modules/cStringIO.c
@@ -58,14 +58,24 @@
$Log$
- Revision 2.3 1997/01/14 17:38:28 bwarsaw
- Quieted gcc -Wall by removing unused local variables.
+ Revision 2.4 1997/04/09 17:35:33 guido
+ Unknown changes by Jim Fulton.
- Suppressing my urge to reformat according to Python coding standards!
- :-)
+ Revision 1.16 1997/02/17 22:17:43 jim
+ *** empty log message ***
+
+ Revision 1.14 1997/01/24 19:56:24 chris
+ undid last change
+
+ Revision 1.13 1997/01/24 19:45:20 chris
+ extra byte in buffer no longer included in buf_size
- Revision 2.2 1997/01/06 22:57:52 guido
- Jim's latest version.
+ Revision 1.12 1997/01/24 19:38:28 chris
+ *** empty log message ***
+
+ 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.
@@ -133,21 +143,9 @@ static char cStringIO_module_documentation[] =
#include "Python.h"
#include "import.h"
+#include "cStringIO.h"
-static PyObject *ErrorObject;
-
-#ifdef __cplusplus
-#define ARG(T,N) T N
-#define ARGDECL(T,N)
-#else
-#define ARG(T,N) N
-#define ARGDECL(T,N) T N;
-#endif
-
-#define ASSIGN(V,E) {PyObject *__e; __e=(E); Py_XDECREF(V); (V)=__e;}
#define UNLESS(E) if(!(E))
-#define UNLESS_ASSIGN(V,E) ASSIGN(V,E) UNLESS(V)
-#define Py_ASSIGN(P,E) if(!PyObject_AssignExpression(&(P),(E))) return NULL
/* ----------------------------------------------------- */
@@ -174,8 +172,6 @@ typedef struct {
staticforward PyTypeObject Itype;
-
-
/* ---------------------------------------------------------------- */
static char O_reset__doc__[] =
@@ -183,10 +179,7 @@ static char O_reset__doc__[] =
;
static PyObject *
-O_reset(ARG(Oobject*, self), ARG(PyObject*, args))
- ARGDECL(Oobject*, self)
- ARGDECL(PyObject*, args)
-{
+O_reset(Oobject *self, PyObject *args) {
self->pos = 0;
Py_INCREF(Py_None);
@@ -198,10 +191,7 @@ static char O_tell__doc__[] =
"tell() -- get the current position.";
static PyObject *
-O_tell(ARG(Oobject*, self), ARG(PyObject*, args))
- ARGDECL(Oobject*, self)
- ARGDECL(PyObject*, args)
-{
+O_tell(Oobject *self, PyObject *args) {
return PyInt_FromLong(self->pos);
}
@@ -211,10 +201,7 @@ static char O_seek__doc__[] =
"seek(position, mode) -- mode 0: absolute; 1: relative; 2: relative to EOF";
static PyObject *
-O_seek(ARG(Oobject*, self), ARG(PyObject*, args))
- ARGDECL(Oobject*, self)
- ARGDECL(PyObject*, args)
-{
+O_seek(Oobject *self, PyObject *args) {
int position, mode = 0;
UNLESS(PyArg_ParseTuple(args, "i|i", &position, &mode))
@@ -243,35 +230,28 @@ static char O_read__doc__[] =
;
static int
-O_cread(ARG(Oobject*, self), ARG(char**, output), ARG(int, n))
- ARGDECL(Oobject*, self)
- ARGDECL(char**, output)
- ARGDECL(int, n)
-{
+O_cread(PyObject *self, char **output, int n) {
int l;
- l = self->string_size - self->pos;
+ l = ((Oobject*)self)->string_size - ((Oobject*)self)->pos;
if (n < 0 || n > l)
{
n = l;
}
- *output=self->buf + self->pos;
- self->pos += n;
+ *output=((Oobject*)self)->buf + ((Oobject*)self)->pos;
+ ((Oobject*)self)->pos += n;
return n;
}
static PyObject *
-O_read(ARG(Oobject*, self), ARG(PyObject*, args))
- ARGDECL(Oobject*, self)
- ARGDECL(PyObject*, args)
-{
+O_read(Oobject *self, PyObject *args) {
int n = -1;
char *output;
UNLESS(PyArg_ParseTuple(args, "|i", &n)) return NULL;
- n=O_cread(self,&output,n);
+ n=O_cread((PyObject*)self,&output,n);
return PyString_FromStringAndSize(output, n);
}
@@ -282,32 +262,27 @@ static char O_readline__doc__[] =
;
static int
-O_creadline(ARG(Oobject*, self), ARG(char**, output))
- ARGDECL(Oobject*, self)
- ARGDECL(char**, output)
-{
+O_creadline(PyObject *self, char **output) {
char *n, *s;
int l;
- for (n = self->buf + self->pos, s = self->buf + self->string_size;
+ for (n = ((Oobject*)self)->buf + ((Oobject*)self)->pos,
+ s = ((Oobject*)self)->buf + ((Oobject*)self)->string_size;
n < s && *n != '\n'; n++);
if (n < s) n++;
- *output=self->buf + self->pos;
- l = n - self->buf - self->pos;
- self->pos += l;
+ *output=((Oobject*)self)->buf + ((Oobject*)self)->pos;
+ l = n - ((Oobject*)self)->buf - ((Oobject*)self)->pos;
+ ((Oobject*)self)->pos += l;
return l;
}
static PyObject *
-O_readline(ARG(Oobject*, self), ARG(PyObject*, args))
- ARGDECL(Oobject*, self)
- ARGDECL(PyObject*, args)
-{
+O_readline(Oobject *self, PyObject *args) {
int n;
char *output;
- n=O_creadline(self,&output);
+ n=O_creadline((PyObject*)self,&output);
return PyString_FromStringAndSize(output, n);
}
@@ -318,43 +293,38 @@ static char O_write__doc__[] =
static int
-O_cwrite(ARG(Oobject*, self), ARG(char*, c), ARG(int, l))
- ARGDECL(Oobject*, self)
- ARGDECL(char*, c)
- ARGDECL(int, l)
-{
+O_cwrite(PyObject *self, char *c, int l) {
int newl;
- newl=self->pos+l;
- if(newl > self->buf_size)
+ newl=((Oobject*)self)->pos+l;
+ if(newl >= ((Oobject*)self)->buf_size)
{
- self->buf_size*=2;
- if(self->buf_size < newl) self->buf_size=newl;
- UNLESS(self->buf=(char*)realloc(self->buf, self->buf_size*sizeof(char)))
+ ((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)))
{
PyErr_SetString(PyExc_MemoryError,"out of memory");
- self->buf_size=self->pos=0;
+ ((Oobject*)self)->buf_size=((Oobject*)self)->pos=0;
return -1;
}
}
- memcpy(self->buf+self->pos,c,l);
+ memcpy(((Oobject*)((Oobject*)self))->buf+((Oobject*)self)->pos,c,l);
- self->pos += l;
+ ((Oobject*)self)->pos += l;
- if (self->string_size < self->pos)
+ if (((Oobject*)self)->string_size < ((Oobject*)self)->pos)
{
- self->string_size = self->pos;
+ ((Oobject*)self)->string_size = ((Oobject*)self)->pos;
}
return l;
}
static PyObject *
-O_write(ARG(Oobject*, self), ARG(PyObject*, args))
- ARGDECL(Oobject*, self)
- ARGDECL(PyObject*, args)
-{
+O_write(Oobject *self, PyObject *args) {
PyObject *s;
char *c;
int l;
@@ -362,28 +332,28 @@ O_write(ARG(Oobject*, self), ARG(PyObject*, args))
UNLESS(PyArg_Parse(args, "O", &s)) return NULL;
UNLESS(-1 != (l=PyString_Size(s))) return NULL;
UNLESS(c=PyString_AsString(s)) return NULL;
- UNLESS(-1 != O_cwrite(self,c,l)) return NULL;
+ UNLESS(-1 != O_cwrite((PyObject*)self,c,l)) return NULL;
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *
-O_getval(ARG(Oobject*, self), ARG(PyObject*, args))
- ARGDECL(Oobject*, self)
- ARGDECL(PyObject*, args)
-{
- return PyString_FromStringAndSize(self->buf,self->pos);
+O_getval(Oobject *self, PyObject *args) {
+ return PyString_FromStringAndSize(self->buf, self->pos);
+}
+
+static PyObject *
+O_cgetval(PyObject *self) {
+ return PyString_FromStringAndSize(((Oobject*)self)->buf,
+ ((Oobject*)self)->pos);
}
static char O_truncate__doc__[] =
"truncate(): truncate the file at the current position.";
static PyObject *
-O_truncate(ARG(Oobject*, self), ARG(PyObject*, args))
- ARGDECL(Oobject*, self)
- ARGDECL(PyObject*, args)
-{
+O_truncate(Oobject *self, PyObject *args) {
self->string_size = self->pos;
Py_INCREF(Py_None);
return Py_None;
@@ -392,20 +362,14 @@ O_truncate(ARG(Oobject*, self), ARG(PyObject*, args))
static char O_isatty__doc__[] = "isatty(): always returns 0";
static PyObject *
-O_isatty(ARG(Oobject*, self), ARG(PyObject*, args))
- ARGDECL(Oobject*, self)
- ARGDECL(PyObject*, args)
-{
+O_isatty(Oobject *self, PyObject *args) {
return PyInt_FromLong(0);
}
static char O_close__doc__[] = "close(): explicitly release resources held.";
static PyObject *
-O_close(ARG(Oobject*, self), ARG(PyObject*, args))
- ARGDECL(Oobject*, self)
- ARGDECL(PyObject*, args)
-{
+O_close(Oobject *self, PyObject *args) {
free(self->buf);
self->pos = self->string_size = self->buf_size = 0;
@@ -418,10 +382,7 @@ O_close(ARG(Oobject*, self), ARG(PyObject*, args))
static char O_flush__doc__[] = "flush(): does nothing.";
static PyObject *
-O_flush(ARG(Oobject*, self), ARG(PyObject*, args))
- ARGDECL(Oobject*, self)
- ARGDECL(PyObject*, args)
-{
+O_flush(Oobject *self, PyObject *args) {
Py_INCREF(Py_None);
return Py_None;
}
@@ -429,10 +390,7 @@ O_flush(ARG(Oobject*, self), ARG(PyObject*, args))
static char O_writelines__doc__[] = "blah";
static PyObject *
-O_writelines(ARG(Oobject*, self), ARG(PyObject*, args))
- ARGDECL(Oobject*, self)
- ARGDECL(PyObject*, args)
-{
+O_writelines(Oobject *self, PyObject *args) {
PyObject *string_module = 0;
static PyObject *string_joinfields = 0;
@@ -467,9 +425,9 @@ O_writelines(ARG(Oobject*, self), ARG(PyObject*, args))
}
static struct PyMethodDef O_methods[] = {
+ {"write", (PyCFunction)O_write, 0, O_write__doc__},
{"read", (PyCFunction)O_read, 1, O_read__doc__},
{"readline", (PyCFunction)O_readline, 0, O_readline__doc__},
- {"write", (PyCFunction)O_write, 0, O_write__doc__},
{"reset", (PyCFunction)O_reset, 0, O_reset__doc__},
{"seek", (PyCFunction)O_seek, 1, O_seek__doc__},
{"tell", (PyCFunction)O_tell, 0, O_tell__doc__},
@@ -485,10 +443,8 @@ static struct PyMethodDef O_methods[] = {
/* ---------- */
-static Oobject *
-newOobject(ARG(int, size))
- ARGDECL(int, size)
-{
+static PyObject *
+newOobject(int size) {
Oobject *self;
self = PyObject_NEW(Oobject, &Otype);
@@ -506,23 +462,18 @@ newOobject(ARG(int, size))
}
self->buf_size=size;
- return self;
+ return (PyObject*)self;
}
static void
-O_dealloc(ARG(Oobject*, self))
- ARGDECL(Oobject*, self)
-{
+O_dealloc(Oobject *self) {
free(self->buf);
PyMem_DEL(self);
}
static PyObject *
-O_getattr(ARG(Oobject*, self), ARG(char*, name))
- ARGDECL(Oobject*, self)
- ARGDECL(char*, name)
-{
+O_getattr(Oobject *self, char *name) {
return Py_FindMethod(O_methods, (PyObject *)self, name);
}
@@ -531,38 +482,35 @@ static char Otype__doc__[] =
;
static PyTypeObject Otype = {
- PyObject_HEAD_INIT(&PyType_Type)
- 0, /*ob_size*/
- "StringO", /*tp_name*/
- sizeof(Oobject), /*tp_basicsize*/
- 0, /*tp_itemsize*/
- /* methods */
- (destructor)O_dealloc, /*tp_dealloc*/
- (printfunc)0, /*tp_print*/
- (getattrfunc)O_getattr, /*tp_getattr*/
- (setattrfunc)0, /*tp_setattr*/
- (cmpfunc)0, /*tp_compare*/
- (reprfunc)0, /*tp_repr*/
- 0, /*tp_as_number*/
- 0, /*tp_as_sequence*/
- 0, /*tp_as_mapping*/
- (hashfunc)0, /*tp_hash*/
- (ternaryfunc)0, /*tp_call*/
- (reprfunc)0, /*tp_str*/
-
- /* Space for future expansion */
- 0L,0L,0L,0L,
- Otype__doc__ /* Documentation string */
+ PyObject_HEAD_INIT(NULL)
+ 0, /*ob_size*/
+ "StringO", /*tp_name*/
+ sizeof(Oobject), /*tp_basicsize*/
+ 0, /*tp_itemsize*/
+ /* methods */
+ (destructor)O_dealloc, /*tp_dealloc*/
+ (printfunc)0, /*tp_print*/
+ (getattrfunc)O_getattr, /*tp_getattr*/
+ (setattrfunc)0, /*tp_setattr*/
+ (cmpfunc)0, /*tp_compare*/
+ (reprfunc)0, /*tp_repr*/
+ 0, /*tp_as_number*/
+ 0, /*tp_as_sequence*/
+ 0, /*tp_as_mapping*/
+ (hashfunc)0, /*tp_hash*/
+ (ternaryfunc)0, /*tp_call*/
+ (reprfunc)0, /*tp_str*/
+
+ /* Space for future expansion */
+ 0L,0L,0L,0L,
+ Otype__doc__ /* Documentation string */
};
/* End of code for StringO objects */
/* -------------------------------------------------------- */
static PyObject *
-I_close(ARG(Iobject*, self), ARG(PyObject*, args))
- ARGDECL(Iobject*, self)
- ARGDECL(PyObject*, args)
-{
+I_close(Iobject *self, PyObject *args) {
Py_DECREF(self->pbuf);
self->pos = self->string_size = 0;
@@ -588,10 +536,8 @@ static struct PyMethodDef I_methods[] = {
/* ---------- */
-static Iobject *
-newIobject(ARG(PyObject*, s))
- ARGDECL(PyObject*, s)
-{
+static PyObject *
+newIobject(PyObject *s) {
Iobject *self;
char *buf;
int size;
@@ -606,23 +552,18 @@ newIobject(ARG(PyObject*, s))
self->pos=0;
self->closed = 0;
- return self;
+ return (PyObject*)self;
}
static void
-I_dealloc(ARG(Iobject*, self))
- ARGDECL(Iobject*, self)
-{
+I_dealloc(Iobject *self) {
Py_DECREF(self->pbuf);
PyMem_DEL(self);
}
static PyObject *
-I_getattr(ARG(Iobject*, self), ARG(char*, name))
- ARGDECL(Iobject*, self)
- ARGDECL(char*, name)
-{
+I_getattr(Iobject *self, char *name) {
return Py_FindMethod(I_methods, (PyObject *)self, name);
}
@@ -631,28 +572,28 @@ static char Itype__doc__[] =
;
static PyTypeObject Itype = {
- PyObject_HEAD_INIT(&PyType_Type)
- 0, /*ob_size*/
- "StringI", /*tp_name*/
- sizeof(Iobject), /*tp_basicsize*/
- 0, /*tp_itemsize*/
- /* methods */
- (destructor)I_dealloc, /*tp_dealloc*/
- (printfunc)0, /*tp_print*/
- (getattrfunc)I_getattr, /*tp_getattr*/
- (setattrfunc)0, /*tp_setattr*/
- (cmpfunc)0, /*tp_compare*/
- (reprfunc)0, /*tp_repr*/
- 0, /*tp_as_number*/
- 0, /*tp_as_sequence*/
- 0, /*tp_as_mapping*/
- (hashfunc)0, /*tp_hash*/
- (ternaryfunc)0, /*tp_call*/
- (reprfunc)0, /*tp_str*/
-
- /* Space for future expansion */
- 0L,0L,0L,0L,
- Itype__doc__ /* Documentation string */
+ PyObject_HEAD_INIT(NULL)
+ 0, /*ob_size*/
+ "StringI", /*tp_name*/
+ sizeof(Iobject), /*tp_basicsize*/
+ 0, /*tp_itemsize*/
+ /* methods */
+ (destructor)I_dealloc, /*tp_dealloc*/
+ (printfunc)0, /*tp_print*/
+ (getattrfunc)I_getattr, /*tp_getattr*/
+ (setattrfunc)0, /*tp_setattr*/
+ (cmpfunc)0, /*tp_compare*/
+ (reprfunc)0, /*tp_repr*/
+ 0, /*tp_as_number*/
+ 0, /*tp_as_sequence*/
+ 0, /*tp_as_mapping*/
+ (hashfunc)0, /*tp_hash*/
+ (ternaryfunc)0, /*tp_call*/
+ (reprfunc)0, /*tp_str*/
+
+ /* Space for future expansion */
+ 0L,0L,0L,0L,
+ Itype__doc__ /* Documentation string */
};
/* End of code for StringI objects */
@@ -664,15 +605,12 @@ static char IO_StringIO__doc__[] =
;
static PyObject *
-IO_StringIO(ARG(PyObject*, self), ARG(PyObject*, args))
- ARGDECL(PyObject*, self)
- ARGDECL(PyObject*, args)
-{
+IO_StringIO(PyObject *self, PyObject *args) {
PyObject *s=0;
UNLESS(PyArg_ParseTuple(args, "|O", &s)) return NULL;
- if(s) return (PyObject *)newIobject(s);
- return (PyObject *)newOobject(128);
+ if(s) return newIobject(s);
+ return newOobject(128);
}
/* List of methods defined in the module */
@@ -685,11 +623,22 @@ static struct PyMethodDef IO_methods[] = {
/* Initialization function for the module (*must* be called initcStringIO) */
+static struct PycStringIO_CAPI CAPI = {
+ O_cread,
+ O_creadline,
+ O_cwrite,
+ O_cgetval,
+ newOobject,
+ newIobject,
+ &Itype,
+ &Otype,
+};
+
void
-initcStringIO()
-{
+initcStringIO() {
PyObject *m, *d;
+
/* Create the module and add the functions */
m = Py_InitModule4("cStringIO", IO_methods,
cStringIO_module_documentation,
@@ -697,25 +646,17 @@ initcStringIO()
/* Add some symbolic constants to the module */
d = PyModule_GetDict(m);
- ErrorObject = PyString_FromString("cStringIO.error");
- PyDict_SetItemString(d, "error", ErrorObject);
-#ifdef Py_COBJECT_H
/* Export C API */
- PyDict_SetItemString(d,"cread", PyCObject_FromVoidPtr(O_cread,NULL));
- PyDict_SetItemString(d,"creadline", PyCObject_FromVoidPtr(O_creadline,NULL));
- PyDict_SetItemString(d,"cwrite", PyCObject_FromVoidPtr(O_cwrite,NULL));
- PyDict_SetItemString(d,"cgetvalue", PyCObject_FromVoidPtr(O_getval,NULL));
- PyDict_SetItemString(d,"NewInput", PyCObject_FromVoidPtr(newIobject,NULL));
- PyDict_SetItemString(d,"NewOutput", PyCObject_FromVoidPtr(newOobject,NULL));
-#endif
-
+ Itype.ob_type=&PyType_Type;
+ Otype.ob_type=&PyType_Type;
+ PyDict_SetItemString(d,"cStringIO_CAPI", PyCObject_FromVoidPtr(&CAPI,NULL));
+
+ /* Export Types */
PyDict_SetItemString(d,"InputType", (PyObject*)&Itype);
PyDict_SetItemString(d,"OutputType", (PyObject*)&Otype);
-
/* Check for errors */
- if (PyErr_Occurred())
- Py_FatalError("can't initialize module cStringIO");
+ if (PyErr_Occurred()) Py_FatalError("can't initialize module cStringIO");
}
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