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* nscd/nscd_gethst_r.c (nscd_gethst_r): Set *h_errnop to

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NETDB_INTERNAL if buffer is too small.

	* nscd/hstcache.c (INCR): Remove.
	(addhstbyX): Double buflen in each iteration rather than add INCR.
	* nscd/grpcache.c: Likewise.
	* nscd/pwdcache.c: Likewise.
This commit is contained in:
Ulrich Drepper 2005-02-21 23:43:21 +00:00
parent 553cc5f9ad
commit 4379b40341
5 changed files with 21 additions and 13 deletions
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10
ChangeLog
View File

@ -1,3 +1,13 @@
2005-02-21 Jakub Jelinek <jakub@redhat.com>
* nscd/nscd_gethst_r.c (nscd_gethst_r): Set *h_errnop to
NETDB_INTERNAL if buffer is too small.
* nscd/hstcache.c (INCR): Remove.
(addhstbyX): Double buflen in each iteration rather than add INCR.
* nscd/grpcache.c: Likewise.
* nscd/pwdcache.c: Likewise.
2005-02-21 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/libc_fatal.c: Print backtrace and memory

7
nscd/grpcache.c
View File

@ -1,5 +1,5 @@
/* Cache handling for group lookup.
Copyright (C) 1998-2002, 2003, 2004 Free Software Foundation, Inc.
Copyright (C) 1998-2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
@ -429,11 +429,10 @@ addgrbyX (struct database_dyn *db, int fd, request_header *req,
{
char *old_buffer = buffer;
errno = 0;
#define INCR 1024
if (__builtin_expect (buflen > 32768, 0))
{
buflen += INCR;
buflen *= 2;
buffer = (char *) realloc (use_malloc ? buffer : NULL, buflen);
if (buffer == NULL)
{
@ -454,7 +453,7 @@ addgrbyX (struct database_dyn *db, int fd, request_header *req,
else
/* Allocate a new buffer on the stack. If possible combine it
with the previously allocated buffer. */
buffer = (char *) extend_alloca (buffer, buflen, buflen + INCR);
buffer = (char *) extend_alloca (buffer, buflen, 2 * buflen);
}
#if 0

7
nscd/hstcache.c
View File

@ -1,5 +1,5 @@
/* Cache handling for host lookup.
Copyright (C) 1998-2002, 2003, 2004 Free Software Foundation, Inc.
Copyright (C) 1998-2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
@ -453,11 +453,10 @@ addhstbyX (struct database_dyn *db, int fd, request_header *req,
{
char *old_buffer = buffer;
errno = 0;
#define INCR 1024
if (__builtin_expect (buflen > 32768, 0))
{
buflen += INCR;
buflen *= 2;
buffer = (char *) realloc (use_malloc ? buffer : NULL, buflen);
if (buffer == NULL)
{
@ -478,7 +477,7 @@ addhstbyX (struct database_dyn *db, int fd, request_header *req,
else
/* Allocate a new buffer on the stack. If possible combine it
with the previously allocated buffer. */
buffer = (char *) extend_alloca (buffer, buflen, buflen + INCR);
buffer = (char *) extend_alloca (buffer, buflen, 2 * buflen);
}
#if 0

3
nscd/nscd_gethst_r.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1998-2002, 2003, 2004 Free Software Foundation, Inc.
/* Copyright (C) 1998-2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
@ -218,6 +218,7 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type,
? INADDRSZ : IN6ADDRSZ)))
{
no_room:
*h_errnop = NETDB_INTERNAL;
__set_errno (ERANGE);
retval = ERANGE;
goto out_close;

7
nscd/pwdcache.c
View File

@ -1,5 +1,5 @@
/* Cache handling for passwd lookup.
Copyright (C) 1998-2002, 2003, 2004 Free Software Foundation, Inc.
Copyright (C) 1998-2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
@ -425,11 +425,10 @@ addpwbyX (struct database_dyn *db, int fd, request_header *req,
{
char *old_buffer = buffer;
errno = 0;
#define INCR 1024
if (__builtin_expect (buflen > 32768, 0))
{
buflen += INCR;
buflen *= 2;
buffer = (char *) realloc (use_malloc ? buffer : NULL, buflen);
if (buffer == NULL)
{
@ -450,7 +449,7 @@ addpwbyX (struct database_dyn *db, int fd, request_header *req,
else
/* Allocate a new buffer on the stack. If possible combine it
with the previously allocated buffer. */
buffer = (char *) extend_alloca (buffer, buflen, buflen + INCR);
buffer = (char *) extend_alloca (buffer, buflen, 2 * buflen);
}
#if 0