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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1997-2004
* Sleepycat Software. All rights reserved.
*
* $Id: os_dir.c,v 11.17 2004/04/26 18:48:19 bostic Exp $
*/
#include "db_config.h"
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#if HAVE_DIRENT_H
# include <dirent.h>
# define NAMLEN(dirent) strlen((dirent)->d_name)
#else
# define dirent direct
# define NAMLEN(dirent) (dirent)->d_namlen
# if HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif
# if HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif
# if HAVE_NDIR_H
# include <ndir.h>
# endif
#endif
#endif
#include "db_int.h"
/*
* __os_dirlist --
* Return a list of the files in a directory.
*
* PUBLIC: int __os_dirlist __P((DB_ENV *, const char *, char ***, int *));
*/
int
__os_dirlist(dbenv, dir, namesp, cntp)
DB_ENV *dbenv;
const char *dir;
char ***namesp;
int *cntp;
{
struct dirent *dp;
DIR *dirp;
int arraysz, cnt, ret;
char **names;
if (DB_GLOBAL(j_dirlist) != NULL)
return (DB_GLOBAL(j_dirlist)(dir, namesp, cntp));
#ifdef HAVE_VXWORKS
if ((dirp = opendir((char *)dir)) == NULL)
#else
if ((dirp = opendir(dir)) == NULL)
#endif
return (__os_get_errno());
names = NULL;
for (arraysz = cnt = 0; (dp = readdir(dirp)) != NULL; ++cnt) {
if (cnt >= arraysz) {
arraysz += 100;
if ((ret = __os_realloc(dbenv,
(u_int)arraysz * sizeof(names[0]), &names)) != 0)
goto nomem;
}
if ((ret = __os_strdup(dbenv, dp->d_name, &names[cnt])) != 0)
goto nomem;
}
(void)closedir(dirp);
*namesp = names;
*cntp = cnt;
return (0);
nomem: if (names != NULL)
__os_dirfree(dbenv, names, cnt);
if (dirp != NULL)
(void)closedir(dirp);
return (ret);
}
/*
* __os_dirfree --
* Free the list of files.
*
* PUBLIC: void __os_dirfree __P((DB_ENV *, char **, int));
*/
void
__os_dirfree(dbenv, names, cnt)
DB_ENV *dbenv;
char **names;
int cnt;
{
if (DB_GLOBAL(j_dirfree) != NULL)
DB_GLOBAL(j_dirfree)(names, cnt);
else {
while (cnt > 0)
__os_free(dbenv, names[--cnt]);
__os_free(dbenv, names);
}
}
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