Add crypt_r(), etc.

Add crypt_add_format(), crypt_r(), crypt_md5_r(), crypt_sha256_r() and
crypt_sha512_r().

cpukit/include/crypt.h

@@ -0,0 +1,74 @@
+/* LINTLIBRARY */
+/*
+ * Copyright (c) 1999
+ *      Mark Murray.  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 MARK MURRAY 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 MARK MURRAY 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.
+ *
+ * $FreeBSD$
+ *
+ */
+
+#ifndef _CRYPT_H
+#define _CRYPT_H
+
+#include <sys/types.h>
+#include <sys/queue.h>
+
+__BEGIN_DECLS
+
+struct crypt_data {
+	char buffer[256];
+};
+
+struct crypt_format {
+	SLIST_ENTRY(crypt_format) link;
+	char *(*func)(const char *, const char *, struct crypt_data *);
+	const char *magic;
+};
+
+#define CRYPT_FORMAT_INITIALIZER(func, magic) { { NULL }, (func), (magic) }
+
+extern struct crypt_format crypt_md5_format;
+
+extern struct crypt_format crypt_sha256_format;
+
+extern struct crypt_format crypt_sha512_format;
+
+void crypt_add_format(struct crypt_format *);
+
+char *crypt_r(const char *, const char *, struct crypt_data *);
+
+char *crypt_md5_r(const char *, const char *, struct crypt_data *);
+
+char *crypt_sha256_r(const char *, const char *, struct crypt_data *);
+
+char *crypt_sha512_r(const char *, const char *, struct crypt_data *);
+
+void _crypt_to64(char *s, u_long v, int n);
+
+#define b64_from_24bit _crypt_b64_from_24bit
+void _crypt_b64_from_24bit(uint8_t, uint8_t, uint8_t, int, int *, char **);
+
+__END_DECLS
+
+#endif /* _CRYPT_H */