Init commit of jobs output/error message peek project.

src/lib/request.c

@@ -935,3 +935,26 @@ int xce_clear_reason_req(endpoint_t* ep, xce_clear_reason_t* reason)
 
     return xce_request(ep, &request);
 }
+
+int xce_fetchfile_req(endpoint_t* ep, xce_fetchfile_t* msg)
+{
+    /* clang-format off */
+    xce_request_t request = {
+        .opcode     = OPCode_fetchfile,
+        .body_which = Request_body_fetchfilemsg,
+        .body = {
+            .fetchfilemsg = msg
+        }
+    };
+    /* clang-format on */
+
+    if ((ep == NULL) || (msg == NULL)) {
+        return -EINVAL;
+    }
+
+    if (msg->filepath == NULL || msg->filepath[0] == '\0') {
+        return -EINVAL;
+    }
+
+    return xce_request(ep, &request);
+}