1 files changed, 33 insertions, 1 deletions
diff --git a/pw_string/format.cc b/pw_string/format.cc
index 57dea10f2..a5754d39f 100644
--- a/pw_string/format.cc
+++ b/pw_string/format.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Pigweed Authors
+// Copyright 2023 The Pigweed Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
 // use this file except in compliance with the License. You may obtain a copy of
@@ -51,4 +51,36 @@ StatusWithSize FormatVaList(span<char> buffer,
   return StatusWithSize(result);
 }
 
+Status Format(InlineString<>& string, const char* format, ...) {
+  va_list args;
+  va_start(args, format);
+  const Status status = FormatVaList(string, format, args);
+  va_end(args);
+
+  return status;
+}
+
+Status FormatVaList(InlineString<>& string, const char* format, va_list args) {
+  Status status;
+  string.resize_and_overwrite([&](char* buffer, size_t capacity) {
+    // The vsnprintf buffer size includes a byte for the null terminator.
+    StatusWithSize result =
+        FormatVaList(span(buffer + string.size(), capacity + 1 - string.size()),
+                     format,
+                     args);
+    status = result.status();
+    return string.size() + result.size();
+  });
+  return status;
+}
+
+Status FormatOverwrite(InlineString<>& string, const char* format, ...) {
+  va_list args;
+  va_start(args, format);
+  const Status status = FormatOverwriteVaList(string, format, args);
+  va_end(args);
+
+  return status;
+}
+
 }  // namespace pw::string