comparison mercurial/mpatch.c @ 11360:2ac98313b26c

mpatch.c: Added preliminary support for py3k.

This is done by including the util.h header file, that defines appropriate
macros according to the current python version.

11359:4eaacccbb2ca

*/

#include <Python.h>
#include <stdlib.h>
#include <string.h>

/* Definitions to get compatibility with python 2.4 and earlier which
   does not have Py_ssize_t. See also PEP 353.
   Note: msvc (8 or earlier) does not have ssize_t, so we use Py_ssize_t.
*/

	outlen = calcsize(inlen, patch);
	if (outlen < 0) {
		result = NULL;
		goto cleanup;
	}
	result = PyString_FromStringAndSize(NULL, outlen);
	if (!result) {
		result = NULL;
		goto cleanup;
	}
	out = PyString_AsString(result);
	if (!apply(out, in, inlen, patch)) {
		Py_DECREF(result);
		result = NULL;
	}
cleanup:

	{"patches", patches, METH_VARARGS, "apply a series of patches\n"},
	{"patchedsize", patchedsize, METH_VARARGS, "calculed patched size\n"},
	{NULL, NULL}
};

PyMODINIT_FUNC
initmpatch(void)
{
	Py_InitModule3("mpatch", methods, mpatch_doc);
	mpatch_Error = PyErr_NewException("mpatch.mpatchError", NULL, NULL);
}

11360:2ac98313b26c

*/

#include <Python.h>
#include <stdlib.h>
#include <string.h>

#include "util.h"

/* Definitions to get compatibility with python 2.4 and earlier which
   does not have Py_ssize_t. See also PEP 353.
   Note: msvc (8 or earlier) does not have ssize_t, so we use Py_ssize_t.
*/

	outlen = calcsize(inlen, patch);
	if (outlen < 0) {
		result = NULL;
		goto cleanup;
	}
	result = PyBytes_FromStringAndSize(NULL, outlen);
	if (!result) {
		result = NULL;
		goto cleanup;
	}
	out = PyBytes_AsString(result);
	if (!apply(out, in, inlen, patch)) {
		Py_DECREF(result);
		result = NULL;
	}
cleanup:

	{"patches", patches, METH_VARARGS, "apply a series of patches\n"},
	{"patchedsize", patchedsize, METH_VARARGS, "calculed patched size\n"},
	{NULL, NULL}
};

#ifdef IS_PY3K
static struct PyModuleDef mpatch_module = {
	PyModuleDef_HEAD_INIT,
	"mpatch",
	mpatch_doc,
	-1,
	methods
};

PyMODINIT_FUNC PyInit_mpatch(void)
{
	PyObject *m;

	m = PyModule_Create(&mpatch_module);
	if (m == NULL)
		return NULL;

	mpatch_Error = PyErr_NewException("mpatch.mpatchError", NULL, NULL);
	Py_INCREF(mpatch_Error);
	PyModule_AddObject(m, "mpatchError", mpatch_Error);

	return m;
}
#else
PyMODINIT_FUNC
initmpatch(void)
{
	Py_InitModule3("mpatch", methods, mpatch_doc);
	mpatch_Error = PyErr_NewException("mpatch.mpatchError", NULL, NULL);
}
#endif