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-rw-r--r--include/ruby/subst.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/ruby/subst.h b/include/ruby/subst.h
index 2287baeafe..6c01b25900 100644
--- a/include/ruby/subst.h
+++ b/include/ruby/subst.h
@@ -1,6 +1,11 @@
#ifndef RUBY_SUBST_H
#define RUBY_SUBST_H 1
+#undef snprintf
+#undef vsnprintf
+#define snprintf ruby_snprintf
+#define vsnprintf ruby_vsnprintf
+
#ifdef BROKEN_CLOSE
#undef getpeername
#define getpeername ruby_getpeername