extdom: add add_err_msg() with test

Reviewed-By: Jakub Hrozek <jhrozek@redhat.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom_common.c b/daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom_common.c
index c2fd42f13..e05c005da 100644
--- a/daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom_common.c
+++ b/daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom_common.c
@@ -229,6 +229,29 @@ done:
     return ret;
 }
 
+void set_err_msg(struct extdom_req *req, const char *format, ...)
+{
+    int ret;
+    va_list ap;
+
+    if (req == NULL) {
+        return;
+    }
+
+    if (format == NULL || req->err_msg != NULL) {
+        /* Do not override an existing error message. */
+        return;
+    }
+    va_start(ap, format);
+
+    ret = vasprintf(&req->err_msg, format, ap);
+    if (ret == -1) {
+        req->err_msg = strdup("vasprintf failed.\n");
+    }
+
+    va_end(ap);
+}
+
 int parse_request_data(struct berval *req_val, struct extdom_req **_req)
 {
     BerElement *ber = NULL;