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/* pkg_vec.c - the opkg package management system
Steven M. Ayer
Copyright (C) 2002 Compaq Computer Corporation
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, 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.
*/
#include <stdio.h>
#include <fnmatch.h>
#include "pkg.h"
#include "opkg_message.h"
#include "libbb/libbb.h"
pkg_vec_t * pkg_vec_alloc(void)
{
pkg_vec_t * vec = xcalloc(1, sizeof(pkg_vec_t));
vec->pkgs = NULL;
vec->len = 0;
return vec;
}
void pkg_vec_free(pkg_vec_t *vec)
{
if (!vec)
return;
if (vec->pkgs)
free(vec->pkgs);
free(vec);
}
/*
* assumption: all names in a vector are identical
* assumption: all version strings are trimmed,
* so identical versions have identical version strings,
* implying identical packages; let's marry these
*/
void pkg_vec_insert_merge(pkg_vec_t *vec, pkg_t *pkg, int set_status)
{
int i;
int found = 0;
/* look for a duplicate pkg by name, version, and architecture */
for (i = 0; i < vec->len; i++){
opkg_msg(DEBUG2, "%s %s arch=%s vs. %s %s arch=%s.\n",
pkg->name, pkg->version, pkg->architecture,
vec->pkgs[i]->name, vec->pkgs[i]->version,
vec->pkgs[i]->architecture);
/* if the name,ver,arch matches, or the name matches and the
* package is marked deinstall/hold */
if ((!strcmp(pkg->name, vec->pkgs[i]->name))
&& ((pkg->state_want == SW_DEINSTALL
&& (pkg->state_flag & SF_HOLD))
|| ((pkg_compare_versions(pkg, vec->pkgs[i]) == 0)
&& (!strcmp(pkg->architecture, vec->pkgs[i]->architecture))))) {
found = 1;
opkg_msg(DEBUG2, "Duplicate for pkg=%s version=%s arch=%s.\n",
pkg->name, pkg->version, pkg->architecture);
break;
}
}
/* we didn't find one, add it */
if (!found){
opkg_msg(DEBUG2, "Adding new pkg=%s version=%s arch=%s.\n",
pkg->name, pkg->version, pkg->architecture);
pkg_vec_insert(vec, pkg);
return;
}
/* update the one that we have */
opkg_msg(DEBUG2, "Merging %s %s arch=%s, set_status=%d.\n",
pkg->name, pkg->version, pkg->architecture, set_status);
if (set_status) {
/* This is from the status file,
* so need to merge with existing database */
pkg_merge(pkg, vec->pkgs[i]);
}
/* overwrite the old one */
pkg_deinit(vec->pkgs[i]);
free(vec->pkgs[i]);
vec->pkgs[i] = pkg;
}
void pkg_vec_insert(pkg_vec_t *vec, const pkg_t *pkg)
{
vec->pkgs = xrealloc(vec->pkgs, (vec->len + 1) * sizeof(pkg_t *));
vec->pkgs[vec->len] = (pkg_t *)pkg;
vec->len++;
}
int pkg_vec_contains(pkg_vec_t *vec, pkg_t *apkg)
{
int i;
for (i = 0; i < vec->len; i++)
if (vec->pkgs[i] == apkg)
return 1;
return 0;
}
void pkg_vec_sort(pkg_vec_t *vec, compare_fcn_t compar)
{
qsort(vec->pkgs, vec->len, sizeof(pkg_t *), compar);
}
int pkg_vec_clear_marks(pkg_vec_t *vec)
{
int npkgs = vec->len;
int i;
for (i = 0; i < npkgs; i++) {
pkg_t *pkg = vec->pkgs[i];
pkg->state_flag &= ~SF_MARKED;
}
return 0;
}
int pkg_vec_mark_if_matches(pkg_vec_t *vec, const char *pattern)
{
int matching_count = 0;
pkg_t **pkgs = vec->pkgs;
int npkgs = vec->len;
int i;
for (i = 0; i < npkgs; i++) {
pkg_t *pkg = pkgs[i];
if (fnmatch(pattern, pkg->name, 0)==0) {
pkg->state_flag |= SF_MARKED;
matching_count++;
}
}
return matching_count;
}
abstract_pkg_vec_t * abstract_pkg_vec_alloc(void)
{
abstract_pkg_vec_t * vec ;
vec = xcalloc(1, sizeof(abstract_pkg_vec_t));
vec->pkgs = NULL;
vec->len = 0;
return vec;
}
void abstract_pkg_vec_free(abstract_pkg_vec_t *vec)
{
if (!vec)
return;
free(vec->pkgs);
free(vec);
}
/*
* assumption: all names in a vector are unique
*/
void abstract_pkg_vec_insert(abstract_pkg_vec_t *vec, abstract_pkg_t *pkg)
{
vec->pkgs = xrealloc(vec->pkgs, (vec->len + 1) * sizeof(abstract_pkg_t *));
vec->pkgs[vec->len] = pkg;
vec->len++;
}
abstract_pkg_t * abstract_pkg_vec_get(abstract_pkg_vec_t *vec, int i)
{
if (vec->len > i)
return vec->pkgs[i];
else
return NULL;
}
int abstract_pkg_vec_contains(abstract_pkg_vec_t *vec, abstract_pkg_t *apkg)
{
int i;
for (i = 0; i < vec->len; i++)
if (vec->pkgs[i] == apkg)
return 1;
return 0;
}
void abstract_pkg_vec_sort(pkg_vec_t *vec, compare_fcn_t compar)
{
qsort(vec->pkgs, vec->len, sizeof(pkg_t *), compar);
}
int pkg_compare_names(const void *p1, const void *p2)
{
const pkg_t *pkg1 = *(const pkg_t **)p1;
const pkg_t *pkg2 = *(const pkg_t **)p2;
if (pkg1->name == NULL)
return 1;
if (pkg2->name == NULL)
return -1;
return(strcmp(pkg1->name, pkg2->name));
}
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