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/*
CIFSDD - dd for SMB.
Declarations and administrivia.
Copyright (C) James Peach 2005-2006
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 3 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, see <http://www.gnu.org/licenses/>.
*/
extern const char * const PROGNAME;
enum argtype
{
ARG_NUMERIC,
ARG_SIZE,
ARG_PATHNAME,
ARG_BOOL,
};
struct argdef
{
const char * arg_name;
enum argtype arg_type;
const char * arg_help;
union
{
bool bval;
uint64_t nval;
const char * pval;
} arg_val;
};
int set_arg_argv(const char * argv);
void set_arg_val(const char * name, ...);
bool check_arg_bool(const char * name);
uint64_t check_arg_numeric(const char * name);
const char * check_arg_pathname(const char * name);
typedef bool (*dd_seek_func)(void * handle, uint64_t offset);
typedef bool (*dd_read_func)(void * handle, uint8_t * buf,
uint64_t wanted, uint64_t * actual);
typedef bool (*dd_write_func)(void * handle, uint8_t * buf,
uint64_t wanted, uint64_t * actual);
struct dd_stats_record
{
struct
{
uint64_t fblocks; /* Full blocks. */
uint64_t pblocks; /* Partial blocks. */
uint64_t bytes; /* Total bytes read. */
} in;
struct
{
uint64_t fblocks; /* Full blocks. */
uint64_t pblocks; /* Partial blocks. */
uint64_t bytes; /* Total bytes written. */
} out;
};
extern struct dd_stats_record dd_stats;
struct dd_iohandle
{
dd_seek_func io_seek;
dd_read_func io_read;
dd_write_func io_write;
int io_flags;
};
#define DD_END_OF_FILE 0x10000000
#define DD_DIRECT_IO 0x00000001
#define DD_SYNC_IO 0x00000002
#define DD_WRITE 0x00000004
#define DD_OPLOCK 0x00000008
struct dd_iohandle * dd_open_path(const char * path,
uint64_t io_size, int options);
bool dd_fill_block(struct dd_iohandle * h, uint8_t * buf,
uint64_t * buf_size, uint64_t need_size, uint64_t block_size);
bool dd_flush_block(struct dd_iohandle * h, uint8_t * buf,
uint64_t * buf_size, uint64_t block_size);
/* vim: set sw=8 sts=8 ts=8 tw=79 : */
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