1 files changed, 33 insertions, 0 deletions

diff --git a/gnu-taler-error-codes/c.footer b/gnu-taler-error-codes/c.footer
new file mode 100644
index 0000000..c348200
--- /dev/null
+++ b/gnu-taler-error-codes/c.footer
@@ -0,0 +1,33 @@
+
+
+
+/**
+ * Returns a hint for a given error code.
+ *
+ * @param ec the error code.
+ * @return the hint if it could be found, otherwise NULL.
+ */
+const char *
+TALER_ErrorCode_get_hint (enum TALER_ErrorCode ec)
+{
+  unsigned int lower = 0;
+  unsigned int upper = code_hint_pairs_length - 1;
+  unsigned int mid = upper / 2;
+  while (lower <= upper)
+  {
+    mid = (upper + lower) / 2;
+    if (code_hint_pairs[mid].ec < ec)
+    {
+      lower = mid + 1;
+    }
+    else if (code_hint_pairs[mid].ec > ec)
+    {
+      upper = mid - 1;
+    }
+    else
+    {
+      return code_hint_pairs[mid].hint;
+    }
+  }
+  return NULL;
+}