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