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114 lines
2.4 KiB
C
114 lines
2.4 KiB
C
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1998
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* Sleepycat Software. All rights reserved.
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*/
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#include "config.h"
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#ifndef lint
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static const char sccsid[] = "@(#)os_tmpdir.c 10.3 (Sleepycat) 10/13/98";
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#endif /* not lint */
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#ifndef NO_SYSTEM_INCLUDES
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#include <sys/types.h>
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#include <errno.h>
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#include <stdlib.h>
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#endif
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#include "db_int.h"
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#include "common_ext.h"
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#ifdef macintosh
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#include <TFileSpec.h>
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#endif
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/*
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* __os_tmpdir --
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* Set the temporary directory path.
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*
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* The order of items in the list structure and the order of checks in
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* the environment are documented.
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*
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* PUBLIC: int __os_tmpdir __P((DB_ENV *, u_int32_t));
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*/
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int
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__os_tmpdir(dbenv, flags)
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DB_ENV *dbenv;
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u_int32_t flags;
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{
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/*
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* !!!
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* Don't change this to:
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*
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* static const char * const list[]
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*
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* because it creates a text relocation in position independent code.
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*/
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static const char * list[] = {
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"/var/tmp",
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"/usr/tmp",
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"/temp", /* Windows. */
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"/tmp",
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"C:/temp", /* Windows. */
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"C:/tmp", /* Windows. */
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NULL
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};
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const char * const *lp, *p;
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/* Use the environment if it's permitted and initialized. */
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p = NULL;
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#ifdef HAVE_GETEUID
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if (LF_ISSET(DB_USE_ENVIRON) ||
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(LF_ISSET(DB_USE_ENVIRON_ROOT) && getuid() == 0))
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#else
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if (LF_ISSET(DB_USE_ENVIRON))
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#endif
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{
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if ((p = getenv("TMPDIR")) != NULL && p[0] == '\0') {
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__db_err(dbenv, "illegal TMPDIR environment variable");
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return (EINVAL);
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}
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/* Windows */
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if (p == NULL && (p = getenv("TEMP")) != NULL && p[0] == '\0') {
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__db_err(dbenv, "illegal TEMP environment variable");
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return (EINVAL);
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}
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/* Windows */
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if (p == NULL && (p = getenv("TMP")) != NULL && p[0] == '\0') {
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__db_err(dbenv, "illegal TMP environment variable");
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return (EINVAL);
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}
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/* Macintosh */
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if (p == NULL &&
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(p = getenv("TempFolder")) != NULL && p[0] == '\0') {
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__db_err(dbenv,
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"illegal TempFolder environment variable");
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return (EINVAL);
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}
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}
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#ifdef macintosh
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/* Get the path to the temporary folder. */
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if (p == NULL) {
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FSSpec spec;
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if (!Special2FSSpec(kTemporaryFolderType,
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kOnSystemDisk, 0, &spec))
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(void)__os_strdup(FSp2FullPath(&spec), &p);
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}
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#endif
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/* Step through the list looking for a possibility. */
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if (p == NULL)
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for (lp = list; *lp != NULL; ++lp)
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if (__os_exists(p = *lp, NULL) == 0)
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break;
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if (p == NULL)
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return (0);
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return (__os_strdup(p, &dbenv->db_tmp_dir));
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}
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