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authorJoe Simmons-Talbott <josimmon@redhat.com>2023-08-14 20:50:40 +0000
committerJoe Simmons-Talbott <josimmon@redhat.com>2023-08-14 20:50:40 +0000
commit648b832600e94c09e3cee2fa6d3c3684687505e4 (patch)
tree06d82615a421de9c0d570031d896049828351b61 /resolv
parent1b214630ce6f7e0099b8b6f87246246739b079cf (diff)
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resolv/nss_dns/dns-host: Get rid of alloca.
Since the alloca is a small constant size use an array instead.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'resolv')
-rw-r--r--resolv/nss_dns/dns-host.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/resolv/nss_dns/dns-host.c b/resolv/nss_dns/dns-host.c
index 1d60c51f5e..c8b77bbc35 100644
--- a/resolv/nss_dns/dns-host.c
+++ b/resolv/nss_dns/dns-host.c
@@ -378,6 +378,7 @@ _nss_dns_gethostbyname4_r (const char *name, struct gaih_addrtuple **pat,
 			   int *herrnop, int32_t *ttlp)
 {
   enum nss_status status = check_name (name, herrnop);
+  char tmp[NS_MAXDNAME];
   if (status != NSS_STATUS_SUCCESS)
     return status;
   struct resolv_context *ctx = __resolv_context_get ();
@@ -395,8 +396,7 @@ _nss_dns_gethostbyname4_r (const char *name, struct gaih_addrtuple **pat,
    */
   if (strchr (name, '.') == NULL)
     {
-      char *tmp = alloca (NS_MAXDNAME);
-      const char *cp = __res_context_hostalias (ctx, name, tmp, NS_MAXDNAME);
+      const char *cp = __res_context_hostalias (ctx, name, tmp, sizeof (tmp));
       if (cp != NULL)
 	name = cp;
     }