diff options
| -rw-r--r-- | Doc/ext/extending.tex | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/Doc/ext/extending.tex b/Doc/ext/extending.tex index 9b6517a..60de586 100644 --- a/Doc/ext/extending.tex +++ b/Doc/ext/extending.tex @@ -65,9 +65,7 @@ is evaluated (we'll see shortly how it ends up being called): \begin{verbatim} static PyObject * -spam_system(self, args) - PyObject *self; - PyObject *args; +spam_system(PyObject *self, PyObject *args) { char *command; int sts; @@ -371,7 +369,8 @@ calling \cfunction{initspam()} after the call to \cfunction{Py_Initialize()} or \cfunction{PyMac_Initialize()}: \begin{verbatim} -int main(int argc, char **argv) +int +main(int argc, char *argv[]) { /* Pass argv[0] to the Python interpreter */ Py_SetProgramName(argv[0]); @@ -476,8 +475,7 @@ definition: static PyObject *my_callback = NULL; static PyObject * -my_set_callback(dummy, args) - PyObject *dummy, *args; +my_set_callback(PyObject *dummy, PyObject *args) { PyObject *result = NULL; PyObject *temp; @@ -696,7 +694,7 @@ follows: \begin{verbatim} int PyArg_ParseTupleAndKeywords(PyObject *arg, PyObject *kwdict, - char *format, char **kwlist, ...); + char *format, char *kwlist[], ...); \end{verbatim} The \var{arg} and \var{format} parameters are identical to those of the @@ -720,10 +718,7 @@ Geoff Philbrick (\email{philbrick@hks.com}):% #include "Python.h" static PyObject * -keywdarg_parrot(self, args, keywds) - PyObject *self; - PyObject *args; - PyObject *keywds; +keywdarg_parrot(PyObject *self, PyObject *args, PyObject *keywds) { int voltage; char *state = "a stiff"; @@ -1018,7 +1013,9 @@ The first and most important case to know about is using reference to a list item. For instance: \begin{verbatim} -bug(PyObject *list) { +void +bug(PyObject *list) +{ PyObject *item = PyList_GetItem(list, 0); PyList_SetItem(list, 1, PyInt_FromLong(0L)); @@ -1052,7 +1049,9 @@ temporarily increment the reference count. The correct version of the function reads: \begin{verbatim} -no_bug(PyObject *list) { +void +no_bug(PyObject *list) +{ PyObject *item = PyList_GetItem(list, 0); Py_INCREF(item); @@ -1078,7 +1077,9 @@ the I/O to complete. Obviously, the following function has the same problem as the previous one: \begin{verbatim} -bug(PyObject *list) { +void +bug(PyObject *list) +{ PyObject *item = PyList_GetItem(list, 0); Py_BEGIN_ALLOW_THREADS ...some blocking I/O call... @@ -1221,8 +1222,7 @@ declared \keyword{static} like everything else: \begin{verbatim} static int -PySpam_System(command) - char *command; +PySpam_System(char *command) { return system(command); } @@ -1232,9 +1232,7 @@ The function \cfunction{spam_system()} is modified in a trivial way: \begin{verbatim} static PyObject * -spam_system(self, args) - PyObject *self; - PyObject *args; +spam_system(PyObject *self, PyObject *args) { char *command; int sts; |