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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_dir.c 10.7 (Sleepycat) 8/23/97";
#endif /* not lint */
#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
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#endif
#include "db_int.h"
#include "os_ext.h"
#include "common_ext.h"
/*
* __db_dir --
* Return a list of the files in a directory.
*
* PUBLIC: int __db_dir __P((DB_ENV *, char *, char ***, int *));
*/
int
__db_dir(dbenv, dir, namesp, cntp)
DB_ENV *dbenv;
const char *dir;
char ***namesp;
int *cntp;
{
int arraysz, cnt;
char **names;
#ifdef _WIN32
struct _finddata_t fdata;
long dirhandle;
int finished;
if ((dirhandle = _findfirst(dir,&fdata)) == -1) {
__db_err(dbenv, "%s: %s", dir, strerror(errno));
return (errno);
}
names = NULL;
finished = 0;
for (arraysz = cnt = 0; finished != 1; ++cnt) {
if (cnt >= arraysz) {
arraysz += 100;
names = (char **)(names == NULL ?
malloc(arraysz * sizeof(names[0])) :
realloc(names, arraysz * sizeof(names[0])));
if (names == NULL)
goto nomem;
}
if ((names[cnt] = (char *)strdup(fdata.name)) == NULL)
goto nomem;
if (_findnext(dirhandle,&fdata) != 0)
finished = 1;
}
_findclose(dirhandle);
#else /* !_WIN32 */
struct dirent *dp;
DIR *dirp;
if ((dirp = opendir(dir)) == NULL) {
__db_err(dbenv, "%s: %s", dir, strerror(errno));
return (errno);
}
names = NULL;
for (arraysz = cnt = 0; (dp = readdir(dirp)) != NULL; ++cnt) {
if (cnt >= arraysz) {
arraysz += 100;
names = (char **)(names == NULL ?
malloc(arraysz * sizeof(names[0])) :
realloc(names, arraysz * sizeof(names[0])));
if (names == NULL)
goto nomem;
}
if ((names[cnt] = (char *)strdup(dp->d_name)) == NULL)
goto nomem;
}
(void)closedir(dirp);
#endif /* !_WIN32 */
*namesp = names;
*cntp = cnt;
return (0);
nomem: if (names != NULL)
__db_dirf(dbenv, names, cnt);
__db_err(dbenv, "%s", strerror(ENOMEM));
return (ENOMEM);
}
/*
* __db_dirf --
* Free the list of files.
*
* PUBLIC: void __db_dirf __P((DB_ENV *, char **, int));
*/
void
__db_dirf(dbenv, names, cnt)
DB_ENV *dbenv;
char **names;
int cnt;
{
dbenv = dbenv; /* XXX: Shut the compiler up. */
while (cnt > 0)
free(names[--cnt]);
free (names);
}
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