1 files changed, 11 insertions, 0 deletions
diff --git a/util/read_compressed.cc b/util/read_compressed.cc
index 71ef0e251..e1f4cd7e3 100644
--- a/util/read_compressed.cc
+++ b/util/read_compressed.cc
@@ -435,4 +435,15 @@ std::size_t ReadCompressed::Read(void *to, std::size_t amount) {
   return internal_->Read(to, amount, *this);
 }
 
+std::size_t ReadCompressed::ReadOrEOF(void *const to_in, std::size_t amount) {
+  uint8_t *to = reinterpret_cast<uint8_t*>(to_in);
+  while (amount) {
+    std::size_t got = Read(to, amount);
+    if (!got) break;
+    to += got;
+    amount -= got;
+  }
+  return to - reinterpret_cast<uint8_t*>(to_in);
+}
+
 } // namespace util