checksum.h

/* librepo - A library providing (libcURL like) API to downloading repository
 * Copyright (C) 2012  Tomas Mlcoch
 *
 * Licensed under the GNU Lesser General Public License Version 2.1
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */
 
#ifndef __LR_CHECKSUM_H__
#define __LR_CHECKSUM_H__
 
#include <glib.h>
 
G_BEGIN_DECLS


typedef enum {
    LR_CHECKSUM_UNKNOWN,
    LR_CHECKSUM_MD5,        /*    The most weakest hash */
    LR_CHECKSUM_SHA1,       /*  |                       */
    LR_CHECKSUM_SHA224,     /*  |                       */
    LR_CHECKSUM_SHA256,     /*  |                       */
    LR_CHECKSUM_SHA384,     /* \|/                      */
    LR_CHECKSUM_SHA512,     /*    The most secure hash  */
} LrChecksumType;

LrChecksumType
lr_checksum_type(const char *type);

const char *
lr_checksum_type_to_str(LrChecksumType type);

char *
lr_checksum_fd(LrChecksumType type, int fd, GError **err);

gboolean
lr_checksum_fd_cmp(LrChecksumType type,
                   int fd,
                   const char *expected,
                   gboolean caching,
                   gboolean *matches,
                   GError **err);

gboolean
lr_checksum_fd_compare(LrChecksumType type,
                       int fd,
                       const char *expected,
                       gboolean caching,
                       gboolean *matches,
                       gchar **calculated,
                       GError **err);

void
lr_checksum_clear_cache(int fd);

 
G_END_DECLS
 
#endif