check return of fwrite to avoid warn_unused_result build failures

2a267ff1 · Kurt Johnson · d636594c · 2a267ff1
Commit 2a267ff1 authored 9 years ago by Kurt Johnson
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filewritestream.h include/rapidjson/filewritestream.h +5 -1

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--- a/include/rapidjson/filewritestream.h
+++ b/include/rapidjson/filewritestream.h
@@ -57,7 +57,11 @@ public:

    void Flush() {
        if (current_ != buffer_) {
-            fwrite(buffer_, 1, static_cast<size_t>(current_ - buffer_), fp_);
+            size_t result = fwrite(buffer_, 1, static_cast<size_t>(current_ - buffer_), fp_);
+            if (result < static_cast<size_t>(current_ - buffer_)) {
+                // failure deliberately ignored at this time
+                // added to avoid warn_unused_result build errors
+            }
            current_ = buffer_;
        }
    }