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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1997
* Sleepycat Software. All rights reserved.
*/
#include "config.h"
#ifndef lint
static const char sccsid[] = "@(#)db_os_stat.c 10.6 (Sleepycat) 7/2/97";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <string.h>
#endif
#include "db_int.h"
#include "os_ext.h"
#include "common_ext.h"
/*
* __db_exists --
* Return if the file exists.
*
* PUBLIC: int __db_exists __P((const char *, int *));
*/
int
__db_exists(path, isdirp)
const char *path;
int *isdirp;
{
struct stat sb;
if (stat(path, &sb) != 0)
return (errno);
if (isdirp != NULL)
*isdirp = S_ISDIR(sb.st_mode);
return (0);
}
/*
* __db_stat --
* Return file size and I/O size; abstracted to make it easier
* to replace.
*
* PUBLIC: int __db_stat __P((DB_ENV *, const char *, int, off_t *, off_t *));
*/
int
__db_stat(dbenv, path, fd, sizep, iop)
DB_ENV *dbenv;
const char *path;
int fd;
off_t *sizep, *iop;
{
struct stat sb;
if (fstat(fd, &sb) == -1) {
__db_err(dbenv, "%s: fstat: %s", path, strerror(errno));
return (errno);
}
/* Return the size of the file. */
if (sizep != NULL)
*sizep = sb.st_size;
/*
* Return the underlying filesystem blocksize, if available. Default
* to 8K on the grounds that most OS's use less than 8K as their VM
* page size.
*/
#ifdef HAVE_ST_BLKSIZE
if (iop != NULL)
*iop = sb.st_blksize;
#else
if (iop != NULL)
*iop = 8 * 1024;
#endif
return (0);
}
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