Patch by Ben Gertzfield to add inet_aton() and inet_ntoa() calls.
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 7531ecf..81088ba 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -54,6 +54,8 @@
- socket.htons(16 bit value) --> new int object
- socket.htonl(32 bit value) --> new int object
- socket.AF_INET, socket.SOCK_STREAM, etc.: constants from <socket.h>
+- socket.inet_aton(IP address) -> 32-bit packed IP representation
+- socket.inet_ntoa(packed IP) -> IP address string
- an Internet socket address is a pair (hostname, port)
where hostname can be anything recognized by gethostbyname()
(including the dd.dd.dd.dd notation) and port is in host byte order
@@ -151,6 +153,10 @@
#include <netdb.h>
#include <sys/socket.h>
#include <netinet/in.h>
+
+/* added 20 Aug 1999 to remove warnings from inet_ntoa call <che@debian.org> */
+#include <arpa/inet.h>
+
#include <fcntl.h>
#else
#include <winsock.h>
@@ -1785,6 +1791,68 @@
\n\
Convert a 32-bit integer from host to network byte order.";
+/*
+ * socket.inet_aton() and socket.inet_ntoa() functions
+ *
+ * written 20 Aug 1999 by Ben Gertzfield <che@debian.org> <- blame him!
+ *
+ */
+
+static char inet_aton_doc[] =
+"inet_aton(string) -> packed 32-bit IP representation\n\
+\n\
+Convert an IP address in string format (123.45.67.89) to the 32-bit packed
+binary format used in low-level network functions.";
+
+static PyObject*
+BUILD_FUNC_DEF_2(PySocket_inet_aton, PyObject *, self, PyObject *, args)
+{
+ char *ip_addr;
+ struct in_addr packed_addr;
+ int err;
+
+ if (!PyArg_Parse(args, "s", &ip_addr)) {
+ return NULL;
+ }
+
+ err = inet_aton(ip_addr, &packed_addr);
+
+ if (err == 0) { /* invalid address */
+ PyErr_SetString(PySocket_Error,
+ "illegal IP address string passed to inet_aton");
+ return NULL;
+ }
+
+ return PyString_FromStringAndSize((char *) &packed_addr,
+ sizeof(packed_addr));
+}
+
+static char inet_ntoa_doc[] =
+"inet_aton(packed_ip) -> ip_address_string\n\
+\n\
+Convert an IP address from 32-bit packed binary format to string format";
+
+static PyObject*
+BUILD_FUNC_DEF_2(PySocket_inet_ntoa, PyObject *, self, PyObject *, args)
+{
+ char *packed_str;
+ int err, addr_len;
+ struct in_addr packed_addr;
+
+ if (!PyArg_Parse(args, "s#", &packed_str, &addr_len)) {
+ return NULL;
+ }
+
+ if (addr_len != sizeof(packed_addr)) {
+ PyErr_SetString(PySocket_Error,
+ "packed IP wrong length for inet_ntoa");
+ return NULL;
+ }
+
+ memcpy(&packed_addr, packed_str, addr_len);
+
+ return PyString_FromString(inet_ntoa(packed_addr));
+}
/* List of functions exported by this module. */
@@ -1803,6 +1871,8 @@
{"ntohl", PySocket_ntohl, 0, ntohl_doc},
{"htons", PySocket_htons, 0, htons_doc},
{"htonl", PySocket_htonl, 0, htonl_doc},
+ {"inet_aton", PySocket_inet_aton, 0, inet_aton_doc},
+ {"inet_ntoa", PySocket_inet_ntoa, 0, inet_ntoa_doc},
{NULL, NULL} /* Sentinel */
};
@@ -1927,6 +1997,8 @@
getprotobyname() -- mape a protocol name (e.g. 'tcp') to a number\n\
ntohs(), ntohl() -- convert 16, 32 bit int from network to host byte order\n\
htons(), htonl() -- convert 16, 32 bit int from host to network byte order\n\
+inet_aton() -- convert IP addr string (123.45.67.89) to 32-bit packed format\n\
+inet_ntoa() -- convert 32-bit packed format IP to string (123.45.67.89)\n\
\n\
(*) not available on all platforms!)\n\
\n\