backends: simplify access to nss _res_hconf object

diff --git a/backends/nss.c b/backends/nss.c
index 638834f2391294681841206b16210702fe37d1d0..099c70dfcff41bf0508346f07d1ef812db24346a 100644 (file)
--- a/backends/nss.c
+++ b/backends/nss.c
@@ -68,14 +68,6 @@ struct priv_nss {
                struct gaih_addrtuple **pat,
                char *buffer, size_t buflen, int *errnop,
                int *h_errnop, int32_t *ttlp);
-       struct hconf {
-               int initialized;
-               int unused1;
-               int unused2[4];
-               int num_trimdomains;
-               const char *trimdomain[4];
-               unsigned int flags;
-       } *res_hconf;
        /* getaddrinfo:
         *
         * A getaddrinfo based API encorporating capabilities of all
@@ -164,7 +156,6 @@ initialize(struct priv_nss *priv, netresolve_query_t query, char **settings)
        try_symbol_pattern(query, priv, (void *) &priv->gethostbyname2_r, "_nss_%s_gethostbyname2_r", "gethostbyname2");
        try_symbol_pattern(query, priv, (void *) &priv->gethostbyname3_r, "_nss_%s_gethostbyname3_r", "gethostbyname3");
        try_symbol_pattern(query, priv, (void *) &priv->gethostbyname4_r, "_nss_%s_gethostbyname4_r", "gethostbyname4");
-       try_symbol_pattern(query, priv, (void *) &priv->res_hconf, "_res_hconf", "gethostbyname4");
        try_symbol_pattern(query, priv, (void *) &priv->getaddrinfo, "_nss_%s_getaddrinfo", "getaddrinfo");
 
        free(priv->name);
@@ -223,8 +214,15 @@ start(netresolve_query_t query, char **settings)
                 *  - nss_files/files-hosts.c
                 *  - resolv/res_hconf.h
                 */
-               if (priv.res_hconf)
-                       priv.res_hconf->flags = 16;
+               extern struct {
+                       int initialized;
+                       int unused1;
+                       int unused2[4];
+                       int num_trimdomains;
+                       const char *trimdomain[4];
+                       unsigned int flags;
+               } _res_hconf;
+               _res_hconf.flags = 0x10;
 
                status = DL_CALL_FCT(priv.gethostbyname4_r, (node, &result,
                        buffer, sizeof buffer, &errnop, &h_errnop, &ttl));