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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
*
* $Id$
*/
#include "db_config.h"
#include "db_int.h"
#ifdef HAVE_SYSTEM_INCLUDE_FILES
#ifdef macintosh
#include <TFileSpec.h>
#endif
#endif
/*
* __os_tmpdir --
* Set the temporary directory path.
*
* The order of items in the list structure and the order of checks in
* the environment are documented.
*
* PUBLIC: int __os_tmpdir __P((ENV *, u_int32_t));
*/
int
__os_tmpdir(env, flags)
ENV *env;
u_int32_t flags;
{
DB_ENV *dbenv;
int isdir, ret;
char *tdir, tdir_buf[DB_MAXPATHLEN];
dbenv = env->dbenv;
/* Use the environment if it's permitted and initialized. */
if (LF_ISSET(DB_USE_ENVIRON) ||
(LF_ISSET(DB_USE_ENVIRON_ROOT) && __os_isroot())) {
/* POSIX: TMPDIR */
tdir = tdir_buf;
if ((ret = __os_getenv(
env, "TMPDIR", &tdir, sizeof(tdir_buf))) != 0)
return (ret);
if (tdir != NULL && tdir[0] != '\0')
goto found;
/*
* Windows: TEMP, TMP
*/
tdir = tdir_buf;
if ((ret = __os_getenv(
env, "TEMP", &tdir, sizeof(tdir_buf))) != 0)
return (ret);
if (tdir != NULL && tdir[0] != '\0')
goto found;
tdir = tdir_buf;
if ((ret = __os_getenv(
env, "TMP", &tdir, sizeof(tdir_buf))) != 0)
return (ret);
if (tdir != NULL && tdir[0] != '\0')
goto found;
/* Macintosh */
tdir = tdir_buf;
if ((ret = __os_getenv(
env, "TempFolder", &tdir, sizeof(tdir_buf))) != 0)
return (ret);
if (tdir != NULL && tdir[0] != '\0')
found: return (__os_strdup(env, tdir, &dbenv->db_tmp_dir));
}
#ifdef macintosh
/* Get the path to the temporary folder. */
{FSSpec spec;
if (!Special2FSSpec(kTemporaryFolderType,
kOnSystemDisk, 0, &spec))
return (__os_strdup(env,
FSp2FullPath(&spec), &dbenv->db_tmp_dir));
}
#endif
#ifdef DB_WIN32
/* Get the path to the temporary directory. */
{
_TCHAR tpath[DB_MAXPATHLEN + 1];
char *path, *eos;
if (GetTempPath(DB_MAXPATHLEN, tpath) > 2) {
FROM_TSTRING(env, tpath, path, ret);
if (ret != 0)
return (ret);
eos = path + strlen(path) - 1;
if (*eos == '\\' || *eos == '/')
*eos = '\0';
if (__os_exists(env, path, &isdir) == 0 && isdir) {
ret = __os_strdup(env,
path, &dbenv->db_tmp_dir);
FREE_STRING(env, path);
return (ret);
}
FREE_STRING(env, path);
}
}
#endif
/*
* Step through the static list looking for a possibility.
*
* We don't use the obvious data structure because some C compilers
* (and I use the phrase loosely) don't like static data arrays.
*/
#define DB_TEMP_DIRECTORY(n) { \
char *__p = n; \
if (__os_exists(env, __p, &isdir) == 0 && isdir != 0) \
return (__os_strdup(env, __p, &dbenv->db_tmp_dir)); \
}
#ifdef DB_WIN32
DB_TEMP_DIRECTORY("/temp");
DB_TEMP_DIRECTORY("C:/temp");
DB_TEMP_DIRECTORY("C:/tmp");
#else
DB_TEMP_DIRECTORY("/var/tmp");
DB_TEMP_DIRECTORY("/usr/tmp");
DB_TEMP_DIRECTORY("/tmp");
#if defined(ANDROID) || defined(DB_ANDROID)
DB_TEMP_DIRECTORY("/cache");
#endif
#endif
/*
* If we don't have any other place to store temporary files, store
* them in the current directory.
*/
return (__os_strdup(env, "", &dbenv->db_tmp_dir));
}
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