You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

108 lines
2.4 KiB
C

/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1998, 1999
* Sleepycat Software. All rights reserved.
*/
#include "db_config.h"
#ifndef lint
static const char sccsid[] = "@(#)os_tmpdir.c 11.1 (Sleepycat) 7/25/99";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <errno.h>
#include <stdlib.h>
#endif
#include "db_int.h"
#ifdef macintosh
#include <TFileSpec.h>
#endif
/*
* CDB___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 CDB___os_tmpdir __P((DB_ENV *, u_int32_t));
*/
int
CDB___os_tmpdir(dbenv, flags)
DB_ENV *dbenv;
u_int32_t flags;
{
/*
* !!!
* Don't change this to:
*
* static const char * const list[]
*
* because it creates a text relocation in position independent code.
*/
static const char * list[] = {
"/var/tmp",
"/usr/tmp",
"/temp", /* Windows. */
"/tmp",
"C:/temp", /* Windows. */
"C:/tmp", /* Windows. */
NULL
};
const char * const *lp, *p;
/* Use the environment if it's permitted and initialized. */
p = NULL;
if (LF_ISSET(DB_USE_ENVIRON) ||
(LF_ISSET(DB_USE_ENVIRON_ROOT) && CDB___os_isroot() == 0)) {
if ((p = getenv("TMPDIR")) != NULL && p[0] == '\0') {
CDB___db_err(dbenv, "illegal TMPDIR environment variable");
return (EINVAL);
}
/* Windows */
if (p == NULL && (p = getenv("TEMP")) != NULL && p[0] == '\0') {
CDB___db_err(dbenv, "illegal TEMP environment variable");
return (EINVAL);
}
/* Windows */
if (p == NULL && (p = getenv("TMP")) != NULL && p[0] == '\0') {
CDB___db_err(dbenv, "illegal TMP environment variable");
return (EINVAL);
}
/* Macintosh */
if (p == NULL &&
(p = getenv("TempFolder")) != NULL && p[0] == '\0') {
CDB___db_err(dbenv,
"illegal TempFolder environment variable");
return (EINVAL);
}
}
#ifdef macintosh
/* Get the path to the temporary folder. */
if (p == NULL) {
FSSpec spec;
if (!Special2FSSpec(kTemporaryFolderType,
kOnSystemDisk, 0, &spec))
(void)CDB___os_strdup(FSp2FullPath(&spec), &p);
}
#endif
/* Step through the list looking for a possibility. */
if (p == NULL)
for (lp = list; *lp != NULL; ++lp)
if (CDB___os_exists(p = *lp, NULL) == 0)
break;
if (p == NULL)
return (0);
return (CDB___os_strdup(p, &dbenv->db_tmp_dir));
}