118 lines
2.4 KiB
C
118 lines
2.4 KiB
C
/*****************************************************************************
|
|
*
|
|
* File ..................: stlist.c
|
|
* Purpose ...............: String sorting for databases.
|
|
* Last modification date : 27-Nov-2000
|
|
*
|
|
*****************************************************************************
|
|
* Copyright (C) 1997-2000
|
|
*
|
|
* Michiel Broek FIDO: 2:280/2802
|
|
* Beekmansbos 10
|
|
* 1971 BV IJmuiden
|
|
* the Netherlands
|
|
*
|
|
* This file is part of MBSE BBS.
|
|
*
|
|
* This BBS is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2, or (at your option) any
|
|
* later version.
|
|
*
|
|
* MB BBS 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
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with MB BBS; see the file COPYING. If not, write to the Free
|
|
* Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*****************************************************************************/
|
|
|
|
#include "../lib/libs.h"
|
|
#include "../lib/structs.h"
|
|
#include "../lib/common.h"
|
|
#include "../lib/clcomm.h"
|
|
#include "stlist.h"
|
|
|
|
|
|
/*
|
|
* Tidy the strings array
|
|
*/
|
|
void tidy_stlist(st_list ** fdp)
|
|
{
|
|
st_list *tmp, *old;
|
|
|
|
for (tmp = *fdp; tmp; tmp = old) {
|
|
old = tmp->next;
|
|
free(tmp);
|
|
}
|
|
|
|
*fdp = NULL;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Add a string to the array
|
|
*/
|
|
void fill_stlist(st_list **fdp, char *stringname, long pos)
|
|
{
|
|
st_list *tmp;
|
|
|
|
tmp = (st_list *)malloc(sizeof(st_list));
|
|
tmp->next = *fdp;
|
|
sprintf(tmp->string, "%s", stringname);
|
|
tmp->pos = pos;
|
|
*fdp = tmp;
|
|
}
|
|
|
|
|
|
|
|
int compstring(st_list **, st_list **);
|
|
|
|
/*
|
|
* Sort the array of strings
|
|
*/
|
|
void sort_stlist(st_list **fdp)
|
|
{
|
|
st_list *ta, **vector;
|
|
size_t n = 0, i;
|
|
|
|
if (*fdp == NULL)
|
|
return;
|
|
|
|
for (ta = *fdp; ta; ta = ta->next)
|
|
n++;
|
|
|
|
vector = (st_list **)malloc(n * sizeof(st_list *));
|
|
|
|
i = 0;
|
|
for (ta = *fdp; ta; ta = ta->next)
|
|
vector[i++] = ta;
|
|
|
|
qsort(vector, n, sizeof(st_list*), (int(*)(const void*, const void*))compstring);
|
|
|
|
(*fdp) = vector[0];
|
|
i = 1;
|
|
|
|
for (ta = *fdp; ta; ta = ta->next) {
|
|
|
|
if (i < n)
|
|
ta->next = vector[i++];
|
|
else
|
|
ta->next = NULL;
|
|
}
|
|
|
|
free(vector);
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
int compstring(st_list **fdp1, st_list **fdp2)
|
|
{
|
|
return strcmp((*fdp1)->string, (*fdp2)->string);
|
|
}
|
|
|