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