Import BSDDB 4.7.25 (as of svn r89086)

2017-09-04 13:40:25 -05:00
parent 4b29e0458f
commit 8f590873d0
4781 changed files with 2241032 additions and 6 deletions
--- a/os/os_tmpdir.c
+++ b/os/os_tmpdir.c
@@ -0,0 +1,138 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1998,2008 Oracle.  All rights reserved.
+ *
+ * $Id: os_tmpdir.c 63573 2008-05-23 21:43:21Z trent.nelson $
+ */
+
+#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");
+#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));
+}