diff --git a/services/backup/blob_client/Cargo.lock b/services/backup/blob_client/Cargo.lock
--- a/services/backup/blob_client/Cargo.lock
+++ b/services/backup/blob_client/Cargo.lock
@@ -13,9 +13,9 @@
 
 [[package]]
 name = "anyhow"
-version = "1.0.62"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1485d4d2cc45e7b201ee3767015c96faa5904387c9d87c6efdd0fb511f12d305"
+checksum = "b9a8f622bcf6ff3df478e9deba3e03e4e04b300f8e6a139e192c05fa3490afc7"
 
 [[package]]
 name = "async-stream"
@@ -114,6 +114,7 @@
 name = "blob_client"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "async-stream",
  "cxx",
  "cxx-build",
diff --git a/services/backup/blob_client/Cargo.toml b/services/backup/blob_client/Cargo.toml
--- a/services/backup/blob_client/Cargo.toml
+++ b/services/backup/blob_client/Cargo.toml
@@ -13,6 +13,7 @@
 prost = "0.11"
 tracing = "0.1"
 async-stream = "0.3"
+anyhow = "1.0.64"
 
 [build-dependencies]
 cxx-build = "1.0"
diff --git a/services/backup/blob_client/src/lib.rs b/services/backup/blob_client/src/lib.rs
--- a/services/backup/blob_client/src/lib.rs
+++ b/services/backup/blob_client/src/lib.rs
@@ -32,7 +32,11 @@
     unsafe fn get_client_initialize_cxx(
       holder_char: *const c_char,
     ) -> Result<()>;
-    unsafe fn get_client_blocking_read_cxx(holder_char: *const c_char) -> Result<Vec<u8>>;
-    unsafe fn get_client_terminate_cxx(holder_char: *const c_char) -> Result<()>;
+    unsafe fn get_client_blocking_read_cxx(
+      holder_char: *const c_char,
+    ) -> Result<Vec<u8>>;
+    unsafe fn get_client_terminate_cxx(
+      holder_char: *const c_char,
+    ) -> Result<()>;
   }
 }
diff --git a/services/backup/blob_client/src/put_client.rs b/services/backup/blob_client/src/put_client.rs
--- a/services/backup/blob_client/src/put_client.rs
+++ b/services/backup/blob_client/src/put_client.rs
@@ -133,7 +133,7 @@
               Ok(maybe_response_message) => {
                 let mut result = false;
                 if let Some(response_message) = maybe_response_message {
-                  // warning: this will produce an error if there's more unread 
+                  // warning: this will produce an error if there's more unread
                   // responses than MPSC_CHANNEL_BUFFER_CAPACITY
                   // you should then use put_client_blocking_read_cxx in order
                   // to dequeue the responses in c++ and make room for more
@@ -205,7 +205,11 @@
           );
         }
       } else {
-        report_error(&ERROR_MESSAGES, "no client detected in blocking read", Some("put"));
+        report_error(
+          &ERROR_MESSAGES,
+          "no client detected in blocking read",
+          Some("put"),
+        );
       }
     } else {
       report_error(&ERROR_MESSAGES, "couldn't access client", Some("put"));
@@ -252,7 +256,11 @@
           ),
         }
       } else {
-        report_error(&ERROR_MESSAGES, "no client detected in write", Some("put"));
+        report_error(
+          &ERROR_MESSAGES,
+          "no client detected in write",
+          Some("put"),
+        );
       }
     } else {
       report_error(&ERROR_MESSAGES, "couldn't access client", Some("put"));
diff --git a/services/backup/blob_client/src/tools.rs b/services/backup/blob_client/src/tools.rs
--- a/services/backup/blob_client/src/tools.rs
+++ b/services/backup/blob_client/src/tools.rs
@@ -41,6 +41,13 @@
   }
 }
 
+pub fn c_char_pointer_to_string_new(
+  c_char_pointer: *const c_char,
+) -> anyhow::Result<String, anyhow::Error> {
+  let holder_cstr: &CStr = unsafe { CStr::from_ptr(c_char_pointer) };
+  Ok(holder_cstr.to_str()?.to_owned())
+}
+
 pub fn string_to_c_char_pointer(
   signs: &String,
 ) -> Result<*const c_char, String> {
@@ -50,3 +57,9 @@
     Err(err) => Err(err.to_string()),
   }
 }
+
+pub fn string_to_c_char_pointer_new(
+  signs: &String,
+) -> anyhow::Result<*const c_char, anyhow::Error> {
+  Ok(CString::new((&signs).as_bytes())?.as_ptr())
+}