diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | NEWS | 2 | ||||
| -rw-r--r-- | nscd/netgroupcache.c | 37 |
3 files changed, 12 insertions, 32 deletions
@@ -1,3 +1,8 @@ +2013-01-16 Siddhesh Poyarekar <siddhesh@redhat.com> + + [BZ #16453] + * nscd/netgroupcache.c (addgetnetgrentX): Don't use alloca. + 2014-01-15 Adhemerval Zanella <azanella@linux.vnet.ibm.com> * sysdeps/powerpc/sotruss-lib.c: New file: sotruss-lib.so @@ -25,7 +25,7 @@ Version 2.19 16151, 16153, 16167, 16172, 16195, 16214, 16245, 16271, 16274, 16283, 16289, 16293, 16314, 16316, 16330, 16337, 16338, 16356, 16365, 16366, 16369, 16372, 16375, 16379, 16384, 16385, 16386, 16387, 16390, 16394, - 16400, 16407, 16408, 16414. + 16400, 16407, 16408, 16414, 16453. * Slovenian translations for glibc messages have been contributed by the Translation Project's Slovenian team of translators. diff --git a/nscd/netgroupcache.c b/nscd/netgroupcache.c index 9fc1664..58234b1 100644 --- a/nscd/netgroupcache.c +++ b/nscd/netgroupcache.c @@ -141,7 +141,6 @@ addgetnetgrentX (struct database_dyn *db, int fd, request_header *req, size_t buffilled = sizeof (*dataset); char *buffer = NULL; size_t nentries = 0; - bool use_malloc = false; size_t group_len = strlen (key) + 1; union { @@ -159,7 +158,7 @@ addgetnetgrentX (struct database_dyn *db, int fd, request_header *req, } memset (&data, '\0', sizeof (data)); - buffer = alloca (buflen); + buffer = xmalloc (buflen); first_needed.elem.next = &first_needed.elem; memcpy (first_needed.elem.name, key, group_len); data.needed_groups = &first_needed.elem; @@ -241,21 +240,8 @@ addgetnetgrentX (struct database_dyn *db, int fd, request_header *req, if (buflen - req->key_len - bufused < needed) { - size_t newsize = MAX (2 * buflen, - buflen + 2 * needed); - if (use_malloc || newsize > 1024 * 1024) - { - buflen = newsize; - char *newbuf = xrealloc (use_malloc - ? buffer - : NULL, - buflen); - - buffer = newbuf; - use_malloc = true; - } - else - extend_alloca (buffer, buflen, newsize); + buflen += MAX (buflen, 2 * needed); + buffer = xrealloc (buffer, buflen); } nhost = memcpy (buffer + bufused, @@ -322,18 +308,8 @@ addgetnetgrentX (struct database_dyn *db, int fd, request_header *req, } else if (status == NSS_STATUS_UNAVAIL && e == ERANGE) { - size_t newsize = 2 * buflen; - if (use_malloc || newsize > 1024 * 1024) - { - buflen = newsize; - char *newbuf = xrealloc (use_malloc - ? buffer : NULL, buflen); - - buffer = newbuf; - use_malloc = true; - } - else - extend_alloca (buffer, buflen, newsize); + buflen *= 2; + buffer = xrealloc (buffer, buflen); } } @@ -478,8 +454,7 @@ addgetnetgrentX (struct database_dyn *db, int fd, request_header *req, } out: - if (use_malloc) - free (buffer); + free (buffer); *resultp = dataset; |