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Files
mariadb/mysys/mf_path.c
Michael Widenius 7828fb475b MDEV-32745 Add a simple MySQL to MariaDB upgrade helper
The tool is named mariadb-migrate-config-file.
The main purpose of the tool is to change MySQL option
files to work both for MySQL and MariaDB.
There are options to do the changes in the options file inline,
or at-end-of-file. One can also remove or comment unknown options.

The list of supported options is generated compile time from
mariadbd --help. All server options, including compiled plugins, are
supported.

The bulk of the code comes from Väinö.
Monty has updated it with a lot of extra options.
Wlad helped with cmake integration

Other things:
- Fixed a memory leak in sql_plugin.cc
- plugin-load will now in case of errors try to load all given plugins
  before aborted
- If silent-startup is used, plugin-load will not give errors for
  plugins it cannot load or warnings about plugin marturity level.
- my_rm_tree() will now delete symlinks, not the actual file, if
  MY_NOSYMLINK flag is used.
- my_stat() will now give data for symlink if MY_NOSYMLINKS is used.
- Added 'number of lines' option to mysqltest --cat_file

@Authors: Väinö Mäkelä <vaino.makela@iki.fi>,monty@mariadb.com
2026-05-01 15:14:06 +03:00

119 lines
3.3 KiB
C

/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
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>
/* Finds where program can find it's files.
pre_pathname is found by first locking at progname (argv[0]).
if progname contains path the path is returned.
else if progname is found in path, return it
else if progname is given and POSIX environment variable "_" is set
then path is taken from "_".
If filename doesn't contain a path append MY_BASEDIR_VERSION or
MY_BASEDIR if defined, else append "/my/running".
own_path_name_part is concatinated to result.
my_path puts result in to and returns to */
char * my_path(char * to, const char *progname,
const char *own_pathname_part)
{
char *start, *end, *prog;
size_t to_length;
DBUG_ENTER("my_path");
start=to; /* Return this */
if (progname && (dirname_part(to, progname, &to_length) ||
find_file_in_path(to,progname) ||
((prog=getenv("_")) != 0 &&
dirname_part(to, prog, &to_length))))
{
(void) intern_filename(to,to);
if (!test_if_hard_path(to))
{
if (!my_getwd(curr_dir,FN_REFLEN,MYF(0)))
bchange((uchar*) to, 0, (uchar*) curr_dir, strlen(curr_dir), strlen(to)+1);
}
}
else
{
if ((end = getenv("MY_BASEDIR_VERSION")) == 0 &&
(end = getenv("MY_BASEDIR")) == 0)
{
#ifdef DEFAULT_BASEDIR
end= (char*) DEFAULT_BASEDIR;
#else
end= (char*) "/my/";
#endif
}
(void) intern_filename(to,end);
to=strend(to);
if (to != start && to[-1] != FN_LIBCHAR)
*to++ = FN_LIBCHAR;
(void) strmov(to,own_pathname_part);
}
DBUG_PRINT("exit",("to: '%s'",start));
DBUG_RETURN(start);
} /* my_path */
/* test if file without filename is found in path */
/* Returns to if found and to has dirpart if found, else NullS */
#if defined(_WIN32)
#define F_OK 0
#define PATH_SEP ';'
#define PROGRAM_EXTENSION ".exe"
#else
#define PATH_SEP ':'
#endif
char *find_file_in_path(char *to, const char *name)
{
char *path,*pos,dir[2];
const char *ext="";
if (!(path=getenv("PATH")))
return NullS;
dir[0]=FN_LIBCHAR; dir[1]=0;
#ifdef PROGRAM_EXTENSION
if (!fn_ext(name)[0])
ext=PROGRAM_EXTENSION;
#endif
for (pos=path ; (pos=strchr(pos,PATH_SEP)) ; path= ++pos)
{
if (path != pos)
{
strxmov(strnmov(to,path,(uint) (pos-path)),dir,name,ext,NullS);
if (!access(to,F_OK))
{
to[(uint) (pos-path)+1]=0; /* Return path only */
return to;
}
}
}
#ifdef _WIN32
to[0]=FN_CURLIB;
strxmov(to+1,dir,name,ext,NullS);
if (!access(to,F_OK)) /* Test in current dir */
{
to[2]=0; /* Leave ".\" */
return to;
}
#endif
return NullS; /* File not found */
}