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authorMartin v. Löwis <martin@v.loewis.de>2006-02-15 17:27:45 (GMT)
committerMartin v. Löwis <martin@v.loewis.de>2006-02-15 17:27:45 (GMT)
commit18e165558b24d29e7e0ca501842b9236589b012a (patch)
tree841678b5dc1aff3aa48701fee33a6ba7be00a72b /Modules/cStringIO.c
parent44829297348d9121a03fc7df2fac557b583cc7fa (diff)
downloadcpython-18e165558b24d29e7e0ca501842b9236589b012a.zip
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Merge ssize_t branch.
Diffstat (limited to 'Modules/cStringIO.c')
-rw-r--r--Modules/cStringIO.c55
1 files changed, 31 insertions, 24 deletions
diff --git a/Modules/cStringIO.c b/Modules/cStringIO.c
index ad2f36b..618b88c 100644
--- a/Modules/cStringIO.c
+++ b/Modules/cStringIO.c
@@ -47,7 +47,7 @@ PyDoc_STRVAR(cStringIO_module_documentation,
typedef struct {
PyObject_HEAD
char *buf;
- int pos, string_size;
+ Py_ssize_t pos, string_size;
} IOobject;
#define IOOOBJECT(O) ((IOobject*)(O))
@@ -57,9 +57,10 @@ typedef struct {
typedef struct { /* Subtype of IOobject */
PyObject_HEAD
char *buf;
- int pos, string_size;
+ Py_ssize_t pos, string_size;
- int buf_size, softspace;
+ Py_ssize_t buf_size;
+ int softspace;
} Oobject;
/* Declarations for objects of type StringI */
@@ -67,7 +68,7 @@ typedef struct { /* Subtype of IOobject */
typedef struct { /* Subtype of IOobject */
PyObject_HEAD
char *buf;
- int pos, string_size;
+ Py_ssize_t pos, string_size;
/* We store a reference to the object here in order to keep
the buffer alive during the lifetime of the Iobject. */
PyObject *pbuf;
@@ -154,7 +155,7 @@ PyDoc_STRVAR(IO_read__doc__,
"read([s]) -- Read s characters, or the rest of the string");
static int
-IO_cread(PyObject *self, char **output, int n) {
+IO_cread(PyObject *self, char **output, Py_ssize_t n) {
int l;
UNLESS (IO__opencheck(IOOOBJECT(self))) return -1;
@@ -171,10 +172,10 @@ IO_cread(PyObject *self, char **output, int n) {
static PyObject *
IO_read(IOobject *self, PyObject *args) {
- int n = -1;
+ Py_ssize_t n = -1;
char *output;
- UNLESS (PyArg_ParseTuple(args, "|i:read", &n)) return NULL;
+ UNLESS (PyArg_ParseTuple(args, "|n:read", &n)) return NULL;
if ( (n=IO_cread((PyObject*)self,&output,n)) < 0) return NULL;
@@ -186,7 +187,7 @@ PyDoc_STRVAR(IO_readline__doc__, "readline() -- Read one line");
static int
IO_creadline(PyObject *self, char **output) {
char *n, *s;
- int l;
+ Py_ssize_t l;
UNLESS (IO__opencheck(IOOOBJECT(self))) return -1;
@@ -197,8 +198,9 @@ IO_creadline(PyObject *self, char **output) {
*output=((IOobject*)self)->buf + ((IOobject*)self)->pos;
l = n - ((IOobject*)self)->buf - ((IOobject*)self)->pos;
- ((IOobject*)self)->pos += l;
- return l;
+ assert(((IOobject*)self)->pos + l < INT_MAX);
+ ((IOobject*)self)->pos += (int)l;
+ return (int)l;
}
static PyObject *
@@ -285,10 +287,10 @@ PyDoc_STRVAR(IO_truncate__doc__,
static PyObject *
IO_truncate(IOobject *self, PyObject *args) {
- int pos = -1;
+ Py_ssize_t pos = -1;
UNLESS (IO__opencheck(self)) return NULL;
- UNLESS (PyArg_ParseTuple(args, "|i:truncate", &pos)) return NULL;
+ UNLESS (PyArg_ParseTuple(args, "|n:truncate", &pos)) return NULL;
if (pos < 0) pos = self->pos;
if (self->string_size > pos) self->string_size = pos;
@@ -324,10 +326,11 @@ PyDoc_STRVAR(O_seek__doc__,
static PyObject *
O_seek(Oobject *self, PyObject *args) {
- int position, mode = 0;
+ Py_ssize_t position;
+ int mode = 0;
UNLESS (IO__opencheck(IOOOBJECT(self))) return NULL;
- UNLESS (PyArg_ParseTuple(args, "i|i:seek", &position, &mode))
+ UNLESS (PyArg_ParseTuple(args, "n|i:seek", &position, &mode))
return NULL;
if (mode == 2) {
@@ -362,8 +365,8 @@ PyDoc_STRVAR(O_write__doc__,
static int
-O_cwrite(PyObject *self, const char *c, int l) {
- int newl;
+O_cwrite(PyObject *self, const char *c, Py_ssize_t l) {
+ Py_ssize_t newl;
Oobject *oself;
UNLESS (IO__opencheck(IOOOBJECT(self))) return -1;
@@ -372,8 +375,10 @@ O_cwrite(PyObject *self, const char *c, int l) {
newl = oself->pos+l;
if (newl >= oself->buf_size) {
oself->buf_size *= 2;
- if (oself->buf_size <= newl)
- oself->buf_size = newl+1;
+ if (oself->buf_size <= newl) {
+ assert(newl + 1 < INT_MAX);
+ oself->buf_size = (int)(newl+1);
+ }
UNLESS (oself->buf =
(char*)realloc(oself->buf, oself->buf_size)) {
PyErr_SetString(PyExc_MemoryError,"out of memory");
@@ -384,13 +389,14 @@ O_cwrite(PyObject *self, const char *c, int l) {
memcpy(oself->buf+oself->pos,c,l);
- oself->pos += l;
+ assert(oself->pos + l < INT_MAX);
+ oself->pos += (int)l;
if (oself->string_size < oself->pos) {
oself->string_size = oself->pos;
}
- return l;
+ return (int)l;
}
static PyObject *
@@ -432,7 +438,7 @@ O_writelines(Oobject *self, PyObject *args) {
if (it == NULL)
return NULL;
while ((s = PyIter_Next(it)) != NULL) {
- int n;
+ Py_ssize_t n;
char *c;
if (PyString_AsStringAndSize(s, &c, &n) == -1) {
Py_DECREF(it);
@@ -564,10 +570,11 @@ I_close(Iobject *self, PyObject *unused) {
static PyObject *
I_seek(Iobject *self, PyObject *args) {
- int position, mode = 0;
+ Py_ssize_t position;
+ int mode = 0;
UNLESS (IO__opencheck(IOOOBJECT(self))) return NULL;
- UNLESS (PyArg_ParseTuple(args, "i|i:seek", &position, &mode))
+ UNLESS (PyArg_ParseTuple(args, "n|i:seek", &position, &mode))
return NULL;
if (mode == 2) position += self->string_size;
@@ -648,7 +655,7 @@ static PyObject *
newIobject(PyObject *s) {
Iobject *self;
char *buf;
- int size;
+ Py_ssize_t size;
if (PyObject_AsReadBuffer(s, (const void **)&buf, &size)) {
PyErr_Format(PyExc_TypeError, "expected read buffer, %.200s found",