From 0c38a916fe15962afd4f7475e0d4b6e30ea3f350 Mon Sep 17 00:00:00 2001
From: Vadim Khotilovich <khotilovich@gmail.com>
Date: Fri, 18 Dec 2015 15:03:39 -0600
Subject: [PATCH] make some gcc versions happy by using the fwrite return value

---
 src/io/dmlc_simple.cpp | 2 +-
 src/utils/io.h         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/io/dmlc_simple.cpp b/src/io/dmlc_simple.cpp
index 3fbf34734..0448bd578 100644
--- a/src/io/dmlc_simple.cpp
+++ b/src/io/dmlc_simple.cpp
@@ -153,7 +153,7 @@ class StdFile : public dmlc::Stream {
     return std::fread(ptr, 1, size, fp);
   }
   virtual void Write(const void *ptr, size_t size) {
-    std::fwrite(ptr, size, 1, fp);
+    Check(std::fwrite(ptr, size, 1, fp) == 1, "StdFile::Write: fwrite error!");
   }
   virtual void Seek(size_t pos) {
     std::fseek(fp, static_cast<long>(pos), SEEK_SET);  // NOLINT(*)
diff --git a/src/utils/io.h b/src/utils/io.h
index 5b366e51c..1fd09310e 100644
--- a/src/utils/io.h
+++ b/src/utils/io.h
@@ -33,7 +33,7 @@ class FileStream : public ISeekStream {
     return std::fread(ptr, size, 1, fp);
   }
   virtual void Write(const void *ptr, size_t size) {
-    std::fwrite(ptr, size, 1, fp);
+    Check(std::fwrite(ptr, size, 1, fp) == 1, "FileStream::Write: fwrite error!");
   }
   virtual void Seek(size_t pos) {
     std::fseek(fp, static_cast<long>(pos), SEEK_SET); // NOLINT(*)