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101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02111-1301, USA */
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#include "mysys_priv.h"
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#include <m_string.h>
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/* Functions definied in this file */
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uint dirname_length(const char *name)
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{
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register my_string pos,gpos;
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#ifdef FN_DEVCHAR
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if ((pos=(char*)strrchr(name,FN_DEVCHAR)) == 0)
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#endif
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pos=(char*) name-1;
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gpos= pos++;
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for ( ; *pos ; pos++) /* Find last FN_LIBCHAR */
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if (*pos == FN_LIBCHAR || *pos == '/'
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#ifdef FN_C_AFTER_DIR
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|| *pos == FN_C_AFTER_DIR || *pos == FN_C_AFTER_DIR_2
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#endif
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)
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gpos=pos;
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return ((uint) (uint) (gpos+1-(char*) name));
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}
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/* Gives directory part of filename. Directory ends with '/' */
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/* Returns length of directory part */
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uint dirname_part(my_string to, const char *name)
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{
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uint length;
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DBUG_ENTER("dirname_part");
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DBUG_PRINT("enter",("'%s'",name));
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length=dirname_length(name);
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(void) strmake(to,(char*) name,min(length,FN_REFLEN-2));
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convert_dirname(to); /* Convert chars */
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DBUG_RETURN(length);
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} /* dirname */
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/* convert dirname to use under this system */
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/* If MSDOS converts '/' to '\' */
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/* If VMS converts '<' to '[' and '>' to ']' */
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/* Adds a '/' to end if there isn't one and the last isn't a dev_char */
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/* ARGSUSED */
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#ifndef FN_DEVCHAR
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#define FN_DEVCHAR '\0' /* For easier code */
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#endif
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char *convert_dirname(my_string to)
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{
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reg1 char *pos;
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#if FN_LIBCHAR != '/'
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{
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pos=to-1; /* Change from '/' */
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while ((pos=strchr(pos+1,'/')) != 0)
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*pos=FN_LIBCHAR;
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}
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#endif
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#ifdef FN_C_BEFORE_DIR_2
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{
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for (pos=to ; *pos ; pos++)
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{
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if (*pos == FN_C_BEFORE_DIR_2)
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*pos=FN_C_BEFORE_DIR;
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if (*pos == FN_C_AFTER_DIR_2)
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*pos=FN_C_AFTER_DIR;
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}
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}
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#else
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{ /* Append FN_LIBCHAR if not there */
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pos=strend(to);
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if (pos != to && (pos[-1] != FN_LIBCHAR && pos[-1] != FN_DEVCHAR))
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{
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*pos++=FN_LIBCHAR;
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*pos=0;
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}
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}
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#endif
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return pos; /* Pointer to end of dir */
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} /* convert_dirname */
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