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* sysdeps/posix/getaddrinfo.c (gaih_inet_serv): Change fourth
	parameter to struct gaih_servtuple *.  Adapt appropriately.
	(gaih_inet): Use alloca to allocate room for gaih_inet_serv calls.
	This fixes a memory leak.
	Reported by Mikolaj J. Habryn <dichro-glibcbug@rcpt.to>.
This commit is contained in:
Ulrich Drepper 1999-05-02 21:03:32 +00:00
parent 48afc878d8
commit 238ae1eb66
2 changed files with 22 additions and 12 deletions
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6
ChangeLog
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@ -1,5 +1,11 @@
1999-05-02 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/posix/getaddrinfo.c (gaih_inet_serv): Change fourth
parameter to struct gaih_servtuple *. Adapt appropriately.
(gaih_inet): Use alloca to allocate room for gaih_inet_serv calls.
This fixes a memory leak.
Reported by Mikolaj J. Habryn <dichro-glibcbug@rcpt.to>.
* sysdeps/unix/sysv/linux/sys/procfs.h: Remove greg_t, gregset_t,
and fpregset_t definition. They are defined in ucontext.h.

28
sysdeps/posix/getaddrinfo.c
View File

@ -190,7 +190,7 @@ gaih_local (const char *name, const struct gaih_service *service,
static int
gaih_inet_serv (const char *servicename, struct gaih_typeproto *tp,
struct gaih_servtuple **st)
struct gaih_servtuple *st)
{
struct servent *s;
size_t tmpbuflen = 1024;
@ -216,14 +216,10 @@ gaih_inet_serv (const char *servicename, struct gaih_typeproto *tp,
}
while (r);
*st = malloc (sizeof (struct gaih_servtuple));
if (*st == NULL)
return -EAI_MEMORY;
(*st)->next = NULL;
(*st)->socktype = tp->socktype;
(*st)->protocol = tp->protocol;
(*st)->port = s->s_port;
st->next = NULL;
st->socktype = tp->socktype;
st->protocol = tp->protocol;
st->port = s->s_port;
return 0;
}
@ -297,7 +293,10 @@ gaih_inet (const char *name, const struct gaih_service *service,
{
if (tp->name != NULL)
{
if ((rc = gaih_inet_serv (service->name, tp, &st)))
st = (struct gaih_servtuple *)
__alloca (sizeof (struct gaih_servtuple));
if ((rc = gaih_inet_serv (service->name, tp, st)))
return rc;
}
else
@ -305,13 +304,18 @@ gaih_inet (const char *name, const struct gaih_service *service,
struct gaih_servtuple **pst = &st;
for (tp++; tp->name; tp++)
{
if ((rc = gaih_inet_serv (service->name, tp, pst)))
struct gaih_servtuple *newp = (struct gaih_servtuple *)
__alloca (sizeof (struct gaih_servtuple));
if ((rc = gaih_inet_serv (service->name, tp, newp)))
{
if (rc & GAIH_OKIFUNSPEC)
continue;
return rc;
}
pst = &((*pst)->next);
*pst = newp;
pst = &(newp->next);
}
if (st == &nullserv)
return (GAIH_OKIFUNSPEC | -EAI_SERVICE);