here to stderr

Author: graph

src/cpp/subprocess/ProcessBuilder.cpp

@@ -23,7 +23,7 @@
 #include "utf8_to_utf16.hpp"
 
 #define HERE(format, ...) \
-    printf("[%s:%d] " format "\n", __FILE__, __LINE__, ##__VA_ARGS__)
+    fprintf(stderr, "[%s:%d] " format "\n", __FILE__, __LINE__, ##__VA_ARGS__)
 
 using std::nullptr_t;