Revert 175069

third_party/scrypt/lib/util/warn.c

Index: third_party/scrypt/lib/util/warn.c
===================================================================
--- third_party/scrypt/lib/util/warn.c	(revision 175254)
+++ third_party/scrypt/lib/util/warn.c	(working copy)
@@ -1,75 +0,0 @@
-/*-
- * Copyright 2009 Colin Percival
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This file was originally written by Colin Percival as part of the Tarsnap
- * online backup system.
- */
-#include "scrypt_platform.h"
-
-#ifdef HAVE_ERR_H
-/*
- * Everything is provided through err.h and the associated library, so we
- * don't need to do anything here.
- */
-#else
-#include <errno.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "warn.h"
-
-const char * warn_progname = "(null)";
-
-void
-warn(const char * fmt, ...)
-{
-	va_list ap;
-
-	va_start(ap, fmt);
-	fprintf(stderr, "%s", warn_progname);
-	if (fmt != NULL) {
-		fprintf(stderr, ": ");
-		vfprintf(stderr, fmt, ap);
-	}
-	fprintf(stderr, ": %s\n", strerror(errno));
-	va_end(ap);
-}
-
-void
-warnx(const char * fmt, ...)
-{
-	va_list ap;
-
-	va_start(ap, fmt);
-	fprintf(stderr, "%s", warn_progname);
-	if (fmt != NULL) {
-		fprintf(stderr, ": ");
-		vfprintf(stderr, fmt, ap);
-	}
-	fprintf(stderr, "\n");
-	va_end(ap);
-}
-#endif