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https://github.com/MariaDB/server.git
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3d6eb7afcf
This fixed the MySQL bug# 20338 about misuse of double underscore prefix __WIN__, which was old MySQL's idea of identifying Windows Replace it by _WIN32 standard symbol for targeting Windows OS (both 32 and 64 bit) Not that connect storage engine is not fixed in this patch (must be fixed in "upstream" branch)
120 lines
3.4 KiB
C
120 lines
3.4 KiB
C
/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
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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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static char *find_file_in_path(char *to,const char *name);
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/* Finds where program can find it's files.
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pre_pathname is found by first locking at progname (argv[0]).
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if progname contains path the path is returned.
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else if progname is found in path, return it
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else if progname is given and POSIX environment variable "_" is set
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then path is taken from "_".
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If filename doesn't contain a path append MY_BASEDIR_VERSION or
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MY_BASEDIR if defined, else append "/my/running".
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own_path_name_part is concatinated to result.
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my_path puts result in to and returns to */
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char * my_path(char * to, const char *progname,
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const char *own_pathname_part)
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{
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char *start, *end, *prog;
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size_t to_length;
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DBUG_ENTER("my_path");
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start=to; /* Return this */
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if (progname && (dirname_part(to, progname, &to_length) ||
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find_file_in_path(to,progname) ||
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((prog=getenv("_")) != 0 &&
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dirname_part(to, prog, &to_length))))
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{
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(void) intern_filename(to,to);
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if (!test_if_hard_path(to))
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{
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if (!my_getwd(curr_dir,FN_REFLEN,MYF(0)))
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bchange((uchar*) to, 0, (uchar*) curr_dir, strlen(curr_dir), strlen(to)+1);
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}
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}
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else
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{
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if ((end = getenv("MY_BASEDIR_VERSION")) == 0 &&
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(end = getenv("MY_BASEDIR")) == 0)
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{
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#ifdef DEFAULT_BASEDIR
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end= (char*) DEFAULT_BASEDIR;
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#else
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end= (char*) "/my/";
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#endif
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}
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(void) intern_filename(to,end);
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to=strend(to);
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if (to != start && to[-1] != FN_LIBCHAR)
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*to++ = FN_LIBCHAR;
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(void) strmov(to,own_pathname_part);
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}
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DBUG_PRINT("exit",("to: '%s'",start));
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DBUG_RETURN(start);
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} /* my_path */
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/* test if file without filename is found in path */
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/* Returns to if found and to has dirpart if found, else NullS */
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#if defined(_WIN32)
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#define F_OK 0
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#define PATH_SEP ';'
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#define PROGRAM_EXTENSION ".exe"
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#else
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#define PATH_SEP ':'
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#endif
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static char *find_file_in_path(char *to, const char *name)
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{
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char *path,*pos,dir[2];
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const char *ext="";
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if (!(path=getenv("PATH")))
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return NullS;
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dir[0]=FN_LIBCHAR; dir[1]=0;
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#ifdef PROGRAM_EXTENSION
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if (!fn_ext(name)[0])
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ext=PROGRAM_EXTENSION;
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#endif
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for (pos=path ; (pos=strchr(pos,PATH_SEP)) ; path= ++pos)
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{
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if (path != pos)
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{
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strxmov(strnmov(to,path,(uint) (pos-path)),dir,name,ext,NullS);
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if (!access(to,F_OK))
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{
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to[(uint) (pos-path)+1]=0; /* Return path only */
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return to;
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}
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}
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}
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#ifdef _WIN32
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to[0]=FN_CURLIB;
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strxmov(to+1,dir,name,ext,NullS);
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if (!access(to,F_OK)) /* Test in current dir */
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{
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to[2]=0; /* Leave ".\" */
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return to;
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}
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#endif
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return NullS; /* File not found */
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}
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