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authorGuido van Rossum <guido@python.org>1993-05-25 12:16:29 (GMT)
committerGuido van Rossum <guido@python.org>1993-05-25 12:16:29 (GMT)
commit18c9a4f8ea85f95ba5623fc2c090bc11bae675d9 (patch)
treeb8f2ebfd5f1d4ddb8d8e3a71b225947296b51510 /Modules/socketmodule.c
parent66338ec1b7a7320daa6f8cd8a8bddbd2c5dc8397 (diff)
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* socketmodule.c: fix long-standing bug in recvfrom() -- addrlen
wasn't initialized.
Diffstat (limited to 'Modules/socketmodule.c')
-rw-r--r--Modules/socketmodule.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 503a359..160c292 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -32,7 +32,6 @@ Limitations:
- only AF_INET and AF_UNIX address families are supported
- no asynchronous I/O (but read polling: avail)
- no read/write operations (use send/recv or makefile instead)
-- no flags on recvfrom operations
- setsockopt() and getsockopt() only support integer options
Interface:
@@ -62,7 +61,7 @@ Socket methods:
- s.listen(n) --> None
- s.makefile(mode) --> file object
- s.recv(nbytes [,flags]) --> string
-- s.recvfrom(nbytes) --> string, sockaddr
+- s.recvfrom(nbytes [,flags]) --> string, sockaddr
- s.send(string [,flags]) --> None
- s.sendto(string, [flags,] sockaddr) --> None
- s.shutdown(how) --> None
@@ -714,7 +713,11 @@ sock_recvfrom(s, args)
if (!getargs(args, "(ii)", &len, &flags))
return NULL;
}
+ if (!getsockaddrlen(s, &addrlen))
+ return NULL;
buf = newsizedstringobject((char *) 0, len);
+ if (buf == NULL)
+ return NULL;
BGN_SAVE
n = recvfrom(s->sock_fd, getstringvalue(buf), len, flags,
addrbuf, &addrlen);