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/*
* Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska H�gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "ko_locl.h"
#include "part.h"
RCSID("$arla: part.c,v 1.3 2000/10/02 22:43:24 lha Exp $");
/*
* partition_num2name
*
* write the string of the partition number `id' in `str' (which is of
* size `sz') and return the number of characters written.
*/
int
partition_num2name (int id, char *str, size_t sz)
{
if (id < 26)
return snprintf (str, sz, "/vicep%c", 'a' + id);
else
return snprintf (str, sz, "/vicep%c%c",
'a' + id / 26 - 1, 'a' + id % 26);
}
/*
* partition_name2num
* convert a char string that might be a partition to a
* number.
*
* returns -1 is there is an error
*
*/
int
partition_name2num(const char *name)
{
int ret;
if (strncmp(name, "/vicep", 6) == 0)
name += 6;
else if (strncmp(name, "vicep", 5) == 0)
name += 5;
if (*name == '\0')
return -1;
if(*(name+1) == '\0') {
if(isalpha((unsigned char)*name)) {
ret = tolower((unsigned char)*name) - 'a';
} else
return -1;
} else if (name[2] == '\0') {
if (isalpha((unsigned char)name[0])
&& isalpha((unsigned char)name[1])) {
ret = 26 * (tolower((unsigned char)*(name)) - 'a' + 1)
+ tolower((unsigned char)*(name+1)) - 'a';
} else
return -1;
} else
return -1;
if(ret > 255)
return -1;
return ret;
}
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