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/* dctrl-tools - Debian control file inspection tools
Copyright © 2004, 2005, 2008 Antti-Juhani Kaijanaho
This program 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 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdlib.h>
#include "msg.h"
#include "sorter.h"
#include "version.h"
//void keys_fini(keys_t *);
static keys_t *keys;
int para_compare(keys_t *keys, const para_t *a, const para_t *b)
{
int r = 0;
for (size_t i = 0; i < keys->nks; i++) {
char * af = get_field_as(a, keys->keys[i].field_inx);
char * bf = get_field_as(b, keys->keys[i].field_inx);
if (af == 0 || bf == 0) fatal_enomem(0);
switch (keys->keys[i].type) {
case FT_STRING:
r = strcmp(af, bf);
break;
case FT_VERSION:
;
struct versionrevision ar, br;
bool aok = parse_version(&ar, af, strlen(af));
bool bok = parse_version(&br, bf, strlen(bf));
if (!aok || !bok) {
message(L_IMPORTANT, 0,
_("Parse error in field."));
free(af);
free(bf);
return aok ? (bok ? 0 : 1) : (bok ? -1 : 0);
}
r = versioncompare(&ar, &br);
break;
}
debug("cmp: a = %s, b = %s, verdict is %d", af, bf, r);
free(af);
free(bf);
if (keys->keys[i].reverse) r = -r;
if (r != 0) break;
}
return r;
}
static
int compare(const void * av, const void * bv)
{
debug("cmp: av = %p, bv = %p", av, bv);
para_t ** a = (para_t **)av;
para_t ** b = (para_t **)bv;
return para_compare(keys, *a, *b);
}
void sort_bundle(keys_t * ks, struct para_bundle * pb)
{
size_t num_paras = bundle_size(pb);
para_t ** paras = bundle_vec(pb);
keys = ks;
debug("sort_bundle: num_paras = %zd", num_paras);
debug("sort_bundle: sizeof *paras = %zd", sizeof *paras);
debug("sort_bundle: paras = %p, paras+num_paras*sizeof *paras = %p",
paras, paras+num_paras*sizeof *paras);
qsort(paras, num_paras, sizeof *paras, compare);
}
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