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/* virt-sysprep - interface to crypt(3)
* Copyright (C) 2013 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#if HAVE_CRYPT_H
#include <crypt.h>
#endif
#include <caml/alloc.h>
#include <caml/memory.h>
#include <caml/mlvalues.h>
#include <caml/unixsupport.h>
#pragma GCC diagnostic ignored "-Wmissing-prototypes"
value
virt_customize_crypt (value keyv, value saltv)
{
CAMLparam2 (keyv, saltv);
CAMLlocal1 (rv);
char *r;
/* Note that crypt returns a pointer to a statically allocated
* buffer in glibc. For this and other reasons, this function
* is not thread safe.
*/
r = crypt (String_val (keyv), String_val (saltv));
if (r == NULL)
unix_error (errno, (char *) "crypt", Nothing);
rv = caml_copy_string (r);
CAMLreturn (rv);
}
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