size_t unpack_dirname(char * to, const char *from)
{
size_t length, h_length;
char buff[FN_REFLEN+1+4],*suffix,*tilde_expansion;
DBUG_ENTER("unpack_dirname");
length= normalize_dirname(buff, from);
if (buff[0] == FN_HOMELIB)
{
suffix=buff+1; tilde_expansion=expand_tilde(&suffix);
if (tilde_expansion)
{
length-= (size_t) (suffix-buff)-1;
if (length+(h_length= strlen(tilde_expansion)) <= FN_REFLEN)
{
if ((h_length > 0) && (tilde_expansion[h_length-1] == FN_LIBCHAR))
h_length--;
if (buff+h_length < suffix)
bmove(buff+h_length,suffix,length);
else
bmove_upp((uchar*) buff+h_length+length, (uchar*) suffix+length, length);
bmove(buff,tilde_expansion,h_length);
}
}
}
#ifdef USE_SYMDIR
if (my_use_symdir)
symdirget(buff);
#endif
DBUG_RETURN(system_filename(to,buff)); /* Fix for open */
} /* unpack_dirname */
uint unpack_dirname(my_string to, const char *from)
{
uint length,h_length;
char buff[FN_REFLEN+1+4],*suffix,*tilde_expansion;
DBUG_ENTER("unpack_dirname");
(void) intern_filename(buff,from); /* Change to intern name */
length= (uint) strlen(buff); /* Fix that '/' is last */
if (length &&
#ifdef FN_DEVCHAR
buff[length-1] != FN_DEVCHAR &&
#endif
buff[length-1] != FN_LIBCHAR && buff[length-1] != '/')
{
buff[length]=FN_LIBCHAR;
buff[length+1]= '\0';
}
length=cleanup_dirname(buff,buff);
if (buff[0] == FN_HOMELIB)
{
suffix=buff+1; tilde_expansion=expand_tilde(&suffix);
if (tilde_expansion)
{
length-=(uint) (suffix-buff)-1;
if (length+(h_length= (uint) strlen(tilde_expansion)) <= FN_REFLEN)
{
if (tilde_expansion[h_length-1] == FN_LIBCHAR)
h_length--;
if (buff+h_length < suffix)
bmove(buff+h_length,suffix,length);
else
bmove_upp(buff+h_length+length,suffix+length,length);
bmove(buff,tilde_expansion,h_length);
}
}
}
#ifdef USE_SYMDIR
if (my_use_symdir)
symdirget(buff);
#endif
DBUG_RETURN(system_filename(to,buff)); /* Fix for open */
} /* unpack_dirname */