format error message.

9f69165b · Guolin Ke · 3f14f33c · 9f69165b
Commit 9f69165b authored Mar 13, 2017 by Guolin Ke
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Showing with 2 additions and 1 deletion

include/LightGBM/utils/log.h include/LightGBM/utils/log.h +2 -1

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--- a/include/LightGBM/utils/log.h
+++ b/include/LightGBM/utils/log.h
@@ -77,7 +77,8 @@ public:
    vsprintf(str_buf, format, val);
 #endif
    va_end(val);
-    fprintf(stderr, str_buf);
+    fprintf(stderr, "[LightGBM] [Fatal] %s\n", str_buf);
+    fflush(stderr);
    if (UseException()) {
      throw std::runtime_error(std::string(str_buf));
    } else {