1 files changed, 18 insertions, 0 deletions
diff --git a/jni/ruby/missing/strerror.c b/jni/ruby/missing/strerror.c
new file mode 100644
index 0000000..907b5ae
--- /dev/null
+++ b/jni/ruby/missing/strerror.c
@@ -0,0 +1,18 @@
+/* public domain rewrite of strerror(3) */
+
+#include "ruby/missing.h"
+
+extern int sys_nerr;
+extern char *sys_errlist[];
+
+static char msg[50];
+
+char *
+strerror(int error)
+{
+    if (error <= sys_nerr && error > 0) {
+	return sys_errlist[error];
+    }
+    sprintf(msg, "Unknown error (%d)", error);
+    return msg;
+}