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/* mdb_copy.c - memory-mapped database backup tool */
/*
* Copyright 2012-2015 Howard Chu, Symas Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
#ifdef _WIN32
#include <windows.h>
#define MDB_STDOUT GetStdHandle(STD_OUTPUT_HANDLE)
#else
#define MDB_STDOUT 1
#endif
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include "lmdb.h"
static void
sighandle(int sig)
{
}
int main(int argc,char * argv[])
{
int rc;
MDB_env *env;
const char *progname = argv[0], *act;
unsigned flags = MDB_RDONLY;
unsigned cpflags = 0;
for (; argc > 1 && argv[1][0] == '-'; argc--, argv++) {
if (argv[1][1] == 'n' && argv[1][2] == '\0')
flags |= MDB_NOSUBDIR;
else if (argv[1][1] == 'v' && argv[1][2] == '\0')
flags |= MDB_PREVSNAPSHOT;
else if (argv[1][1] == 'c' && argv[1][2] == '\0')
cpflags |= MDB_CP_COMPACT;
else if (argv[1][1] == 'V' && argv[1][2] == '\0') {
printf("%s\n", MDB_VERSION_STRING);
exit(0);
} else
argc = 0;
}
if (argc<2 || argc>3) {
fprintf(stderr, "usage: %s [-V] [-c] [-n] [-v] srcpath [dstpath]\n", progname);
exit(EXIT_FAILURE);
}
#ifdef SIGPIPE
signal(SIGPIPE, sighandle);
#endif
#ifdef SIGHUP
signal(SIGHUP, sighandle);
#endif
signal(SIGINT, sighandle);
signal(SIGTERM, sighandle);
act = "opening environment";
rc = mdb_env_create(&env);
if (rc == MDB_SUCCESS) {
rc = mdb_env_open(env, argv[1], flags, 0600);
}
if (rc == MDB_SUCCESS) {
act = "copying";
if (argc == 2)
rc = mdb_env_copyfd2(env, MDB_STDOUT, cpflags);
else
rc = mdb_env_copy2(env, argv[2], cpflags);
}
if (rc)
fprintf(stderr, "%s: %s failed, error %d (%s)\n",
progname, act, rc, mdb_strerror(rc));
mdb_env_close(env);
return rc ? EXIT_FAILURE : EXIT_SUCCESS;
}
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