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resolv/nss_dns/dns-host: Get rid of alloca.

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Since the alloca is a small constant size use an array instead.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
This commit is contained in:
Joe Simmons-Talbott 2023-08-14 20:50:40 +00:00
parent 1b214630ce
commit 648b832600
1 changed files with 2 additions and 2 deletions
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4
resolv/nss_dns/dns-host.c
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@ -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;
}