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authorUlrich Drepper <drepper@redhat.com>2007-10-15 23:02:24 +0000
committerUlrich Drepper <drepper@redhat.com>2007-10-15 23:02:24 +0000
commit58058fa2e673f6a6f1a94a7ec1cd3ba172401fd8 (patch)
treee33663e2322aac38bb0f91f0dac297da911138f2 /nss/getXXbyYY_r.c
parente807818b5d83995e92b1bfb20ea8eb108b5d5d1f (diff)
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(REENTRANT_NAME): Mangle start and start_fct pointers.
Diffstat (limited to 'nss/getXXbyYY_r.c')
-rw-r--r--nss/getXXbyYY_r.c32
1 files changed, 24 insertions, 8 deletions
diff --git a/nss/getXXbyYY_r.c b/nss/getXXbyYY_r.c
index 080163a..6c90ba5 100644
--- a/nss/getXXbyYY_r.c
+++ b/nss/getXXbyYY_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2002, 2003, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2004, 2006, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -22,6 +22,7 @@
#include <errno.h>
#include <stdbool.h>
#include "nsswitch.h"
+#include "sysdep.h"
#ifdef USE_NSCD
# include <nscd/nscd_proto.h>
#endif
@@ -120,6 +121,7 @@ int
INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
size_t buflen, LOOKUP_TYPE **result H_ERRNO_PARM)
{
+ static bool startp_initialized;
static service_user *startp;
static lookup_function start_fct;
service_user *nip;
@@ -167,11 +169,15 @@ INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
}
#endif
- if (startp == NULL)
+ if (! startp_initialized)
{
no_more = DB_LOOKUP_FCT (&nip, REENTRANT_NAME_STRING, &fct.ptr);
if (no_more)
- startp = (service_user *) -1l;
+ {
+ void *tmp_ptr = (service_user *) -1l;
+ PTR_MANGLE (tmp_ptr);
+ startp = tmp_ptr;
+ }
else
{
#ifdef NEED__RES
@@ -189,16 +195,26 @@ INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
_res_hconf_init ();
#endif /* need _res_hconf */
- start_fct = fct.l;
- /* Make sure start_fct is written before startp. */
- atomic_write_barrier ();
- startp = nip;
+ void *tmp_ptr = fct.l;
+ PTR_MANGLE (tmp_ptr);
+ start_fct = tmp_ptr;
+ tmp_ptr = nip;
+ PTR_MANGLE (tmp_ptr);
+ startp = tmp_ptr;
}
+
+ /* Make sure start_fct and startp are written before
+ startp_initialized. */
+ atomic_write_barrier ();
+ startp_initialized = true;
}
else
{
fct.l = start_fct;
- no_more = (nip = startp) == (service_user *) -1l;
+ PTR_DEMANGLE (fct.l);
+ nip = startp;
+ PTR_DEMANGLE (nip);
+ no_more = nip == (service_user *) -1l;
}
while (no_more == 0)