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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/mdb__dump_8c_source.html below:

NCBI C++ ToolKit: src/util/lmdb/mdb_dump.c Source File

sig_atomic_t

;

[] =

;

(

c)

putchar(

[c >> 4]);

putchar(

[c & 0xf]);

*c, *end;

*c, *end;

printf(

);

printf(

,

&

?

:

);

printf(

, name);

printf(

);

printf(

);

printf(

,

[

].name);

printf(

,

.ms_psize);

printf(

);

printf(

);

fprintf(stderr,

,

);

(

argc,

*argv[])

*

= argv[0];

alldbs = 0, envflags = 0, list = 0;

((

=

(argc, argv,

)) != EOF) {

(freopen(

,

, stdout) ==

) {

fprintf(stderr,

,

fprintf(stderr,

, rc,

(rc));

fprintf(stderr,

, rc,

(rc));

fprintf(stderr,

, rc,

(rc));

fprintf(stderr,

, rc,

(rc));

fprintf(stderr,

, rc,

(rc));

(memchr(

.mv_data,

,

.mv_size))

memcpy(

,

.mv_data,

.mv_size);

[

.mv_size] =

;

printf(

,

);

fprintf(stderr,

,

, envname);

static const char * str(char *buf, int n)

#define MDB_VERSION_STRING

The full library version as a C string.

#define MDB_NOTFOUND

key/data pair not found (EOF)

#define MDB_SUCCESS

Successful result.

int mdb_env_info(MDB_env *env, MDB_envinfo *stat)

Return information about the LMDB environment.

int mdb_env_open(MDB_env *env, const char *path, unsigned int flags, mdb_mode_t mode)

Open an environment handle.

void mdb_env_close(MDB_env *env)

Close the environment and release the memory map.

int mdb_cursor_get(MDB_cursor *cursor, MDB_val *key, MDB_val *data, MDB_cursor_op op)

Retrieve by cursor.

void mdb_txn_abort(MDB_txn *txn)

Abandon all the operations of the transaction instead of saving them.

int mdb_dbi_flags(MDB_txn *txn, MDB_dbi dbi, unsigned int *flags)

Retrieve the DB flags for a database handle.

char * mdb_strerror(int err)

Return a string describing a given error code.

int mdb_cursor_open(MDB_txn *txn, MDB_dbi dbi, MDB_cursor **cursor)

Create a cursor handle.

int mdb_env_set_maxdbs(MDB_env *env, MDB_dbi dbs)

Set the maximum number of named databases for the environment.

int mdb_env_create(MDB_env **env)

Create an LMDB environment handle.

#define mdb_open(txn, name, flags, dbi)

Compat with version <= 0.9.4, avoid clash with libmdb from MDB Tools project.

#define mdb_close(env, dbi)

Compat with version <= 0.9.4, avoid clash with libmdb from MDB Tools project.

void mdb_cursor_close(MDB_cursor *cursor)

Close a cursor handle.

int mdb_txn_begin(MDB_env *env, MDB_txn *parent, unsigned int flags, MDB_txn **txn)

Create a transaction for use with the environment.

int mdb_stat(MDB_txn *txn, MDB_dbi dbi, MDB_stat *stat)

Retrieve statistics for a database.

MDB_env * mdb_txn_env(MDB_txn *txn)

Returns the transaction's MDB_env.

@ MDB_NEXT_NODUP

Position at first data item of next key.

@ MDB_NEXT

Position at next data item.

#define MDB_INTEGERKEY

numeric keys in native byte order: either unsigned int or size_t.

#define MDB_DUPFIXED

with MDB_DUPSORT, sorted dup items have fixed size

#define MDB_INTEGERDUP

with MDB_DUPSORT, dups are MDB_INTEGERKEY-style integers

#define MDB_DUPSORT

use sorted duplicates

#define MDB_REVERSEKEY

use reverse string keys

#define MDB_REVERSEDUP

with MDB_DUPSORT, use reverse string dups

#define MDB_NOSUBDIR

no environment directory

#define MDB_RDONLY

read only

unsigned int me_maxreaders

max reader slots in the environment

size_t me_mapsize

Size of the data memory map.

void * me_mapaddr

Address of map, if fixed.

size_t mv_size

size of the data item

void * mv_data

address of the data item

unsigned int MDB_dbi

A handle for an individual database in the DB environment.

int main(int argc, char *argv[])

static void hex(unsigned char c)

static volatile sig_atomic_t gotsig

static void byte(MDB_val *v)

static void usage(char *prog)

static void dumpsig(int sig)

static int dumpit(MDB_txn *txn, MDB_dbi dbi, char *name)

static void text(MDB_val *v)

static void env_close(MDB_env *env) noexcept

static void txn_abort(MDB_txn *txn) noexcept

const struct ncbi::grid::netcache::search::fields::KEY key

static SLJIT_INLINE sljit_ins ms(sljit_gpr r, sljit_s32 d, sljit_gpr x, sljit_gpr b)

Cursors are used for all DB operations.

The database environment.

Information about the environment.

Statistics for a database in the environment.

Generic structure used for passing keys and data in and out of the database.

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