aboutsummaryrefslogtreecommitdiff
path: root/resolv/resolv_context.h
diff options
context:
space:
mode:
Diffstat (limited to 'resolv/resolv_context.h')
-rw-r--r--resolv/resolv_context.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/resolv/resolv_context.h b/resolv/resolv_context.h
index 0f4d47d..e2f7ad6 100644
--- a/resolv/resolv_context.h
+++ b/resolv/resolv_context.h
@@ -112,6 +112,67 @@ __resolv_context_search_list (const struct resolv_context *ctx, size_t index)
return NULL;
}
+/* Return the number of name servers. */
+static __attribute__ ((nonnull (1), unused)) size_t
+__resolv_context_nameserver_count (const struct resolv_context *ctx)
+{
+ if (ctx->conf != NULL)
+ return ctx->conf->nameserver_list_size;
+ else
+ return ctx->resp->nscount;
+}
+
+/* Return a pointer to the socket address of the name server INDEX, or
+ NULL if the index is out of bounds. */
+static __attribute__ ((nonnull (1), unused)) const struct sockaddr *
+__resolv_context_nameserver (const struct resolv_context *ctx, size_t index)
+{
+ if (ctx->conf != NULL)
+ {
+ if (index < ctx->conf->nameserver_list_size)
+ return ctx->conf->nameserver_list[index];
+ }
+ else
+ if (index < ctx->resp->nscount)
+ {
+ if (ctx->resp->nsaddr_list[index].sin_family != 0)
+ return (const struct sockaddr *) &ctx->resp->nsaddr_list[index];
+ else
+ return (const struct sockaddr *) &ctx->resp->_u._ext.nsaddrs[index];
+ }
+ return NULL;
+}
+
+/* Return the number of sort list entries. */
+static __attribute__ ((nonnull (1), unused)) size_t
+__resolv_context_sort_count (const struct resolv_context *ctx)
+{
+ if (ctx->conf != NULL)
+ return ctx->conf->sort_list_size;
+ else
+ return ctx->resp->nsort;
+}
+
+/* Return the sort list entry at INDEX. */
+static __attribute__ ((nonnull (1), unused)) struct resolv_sortlist_entry
+__resolv_context_sort_entry (const struct resolv_context *ctx, size_t index)
+{
+ if (ctx->conf != NULL)
+ {
+ if (index < ctx->conf->sort_list_size)
+ return ctx->conf->sort_list[index];
+ /* Fall through. */
+ }
+ else if (index < ctx->resp->nsort)
+ return (struct resolv_sortlist_entry)
+ {
+ .addr = ctx->resp->sort_list[index].addr,
+ .mask = ctx->resp->sort_list[index].mask,
+ };
+
+ return (struct resolv_sortlist_entry) { .mask = 0, };
+}
+
/* Called during thread shutdown to free the associated resolver
context (mostly in response to cancellation, otherwise the
__resolv_context_get/__resolv_context_put pairing will already have