Add support for runtime determination of API extensions.

diff --git a/libraries/libldap/options.c b/libraries/libldap/options.c
index b52e95cc7866cd9e9e21b39f1a82359fc757e376..18b8fa6a2cf73255e109d2dd10fe61f8e1371ed8 100644 (file)
--- a/libraries/libldap/options.c
+++ b/libraries/libldap/options.c
@@ -8,6 +8,16 @@
 
 #include "ldap-int.h"
 
+static const char* features[] = {
+#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
+       "X_OPENLDAP_V2_DNS",
+#endif
+#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
+       "X_OPENLDAP_V2_REFERRALS",
+#endif
+       NULL
+};
+
 int
 ldap_get_option(
        LDAP    *ld,
@@ -49,7 +59,19 @@ ldap_get_option(
                        info->ldapai_api_version = LDAP_API_VERSION;
                        info->ldapai_api_version = LDAP_API_VERSION;
                        info->ldapai_protocol_version = LDAP_VERSION_MAX;
-                       info->ldapai_extensions = NULL;
+                       if(features[0] == NULL) {
+                               info->ldapai_extensions = NULL;
+                       } else {
+                               int i;
+                               info->ldapai_extensions = malloc(sizeof(features));
+
+                               for(i=0; features[i] != NULL; i++) {
+                                       info->ldapai_extensions[i] = strdup(features[i]);
+                               }
+
+                               info->ldapai_extensions[i] = NULL;
+                       }
+
                        info->ldapai_vendor_name = strdup(LDAP_VENDOR_NAME);
                        info->ldapai_vendor_version = LDAP_VENDOR_VERSION;