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-rw-r--r--mysys/mf_loadpath.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/mysys/mf_loadpath.c b/mysys/mf_loadpath.c
new file mode 100644
index 00000000..0a716aa5
--- /dev/null
+++ b/mysys/mf_loadpath.c
@@ -0,0 +1,59 @@
+/*
+ Copyright (c) 2000, 2010, Oracle and/or its affiliates
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; version 2 of the License.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
+
+#include "mysys_priv.h"
+#include <m_string.h>
+
+ /* Returns full load-path for a file. to may be = path */
+ /* if path is a hard-path return path */
+ /* if path starts with home-dir return path */
+ /* if path starts with current dir or parent-dir unpack path */
+ /* if there is no path, prepend with own_path_prefix if given */
+ /* else unpack path according to current dir */
+
+char * my_load_path(char * to, const char *path,
+ const char *own_path_prefix)
+{
+ char buff[FN_REFLEN+1];
+ const char *from= buff;
+ int is_cur;
+ DBUG_ENTER("my_load_path");
+ DBUG_PRINT("enter",("path: %s prefix: %s",path,
+ own_path_prefix ? own_path_prefix : ""));
+
+ if ((path[0] == FN_HOMELIB && path[1] == FN_LIBCHAR) ||
+ test_if_hard_path(path))
+ from= path;
+ else if ((is_cur=(path[0] == FN_CURLIB && path[1] == FN_LIBCHAR)) ||
+ (is_prefix(path,FN_PARENTDIR)) ||
+ ! own_path_prefix)
+ {
+ if (is_cur)
+ is_cur=2; /* Remove current dir */
+ if (! my_getwd(buff,(uint) (FN_REFLEN-strlen(path)+is_cur),MYF(0)))
+ {
+ size_t length= strlen(buff);
+ (void) strmake(buff + length, path+is_cur, FN_REFLEN - length);
+ }
+ else
+ from= path; /* Return org file name */
+ }
+ else
+ (void) strxnmov(buff, FN_REFLEN, own_path_prefix, path, NullS);
+ strmake(to, from, FN_REFLEN-1);
+ DBUG_PRINT("exit",("to: %s",to));
+ DBUG_RETURN(to);
+} /* my_load_path */