From 3326bb6823dcd03f0a4d6ff64f426a40f51f9ef3 Mon Sep 17 00:00:00 2001
From: Erik Schnetter <schnetter@gmail.com>
Date: Sat, 28 Oct 2023 17:06:59 -0400
Subject: [PATCH] Implement openPMD_Attributable_attributes

---
 src/binding/c/Iteration.cpp            |  2 +-
 src/binding/c/backend/Attributable.cpp | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/binding/c/Iteration.cpp b/src/binding/c/Iteration.cpp
index f662162e13..8dcf5f39fe 100644
--- a/src/binding/c/Iteration.cpp
+++ b/src/binding/c/Iteration.cpp
@@ -40,7 +40,7 @@ void openPMD_Iteration_setTime(openPMD_Iteration *iteration, double newTime)
     cxx_iteration->setTime(newTime);
 }
 
-double dt(const openPMD_Iteration *iteration)
+double openPMD_Iteration_dt(const openPMD_Iteration *iteration)
 {
     const auto cxx_iteration = (const openPMD::Iteration *)iteration;
     return cxx_iteration->dt<double>();
diff --git a/src/binding/c/backend/Attributable.cpp b/src/binding/c/backend/Attributable.cpp
index b913a7ae5d..3b47740b07 100644
--- a/src/binding/c/backend/Attributable.cpp
+++ b/src/binding/c/backend/Attributable.cpp
@@ -146,6 +146,18 @@ bool openPMD_Attributable_deleteAttribute(
     return cxx_attributable->deleteAttribute(std::string(key));
 }
 
+char **openPMD_Attributable_attributes(const openPMD_Attributable *attributable)
+{
+    const auto cxx_attributable = (const openPMD::Attributable *)attributable;
+    const auto cxx_attributes = cxx_attributable->attributes();
+    const std::size_t num_attributes = cxx_attributes.size();
+    char **const attributes =
+        (char **)malloc(num_attributes * sizeof *attributes);
+    for (std::size_t n = 0; n < num_attributes; ++n)
+        attributes[n] = strdup(cxx_attributes[n].c_str());
+    return attributes;
+}
+
 size_t
 openPMD_Attributable_numAttributes(const openPMD_Attributable *attributable)
 {