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https://github.com/moparisthebest/pacman
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7653bb9399
The alpm_splitdep function formerly overwrote the input string, causing a few issues. Fix this. Signed-off-by: Nagy Gabor <ngaba@petra.hos.u-szeged.hu> Signed-off-by: Dan McGee <dan@archlinux.org>
770 lines
21 KiB
C
770 lines
21 KiB
C
/*
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* deps.c
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*
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* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
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* Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
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* Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#ifdef __sun__
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#include <strings.h>
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#endif
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/* libalpm */
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#include "deps.h"
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#include "alpm_list.h"
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#include "util.h"
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#include "log.h"
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#include "error.h"
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#include "package.h"
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#include "db.h"
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#include "cache.h"
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#include "provide.h"
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#include "versioncmp.h"
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#include "handle.h"
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extern pmhandle_t *handle;
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static pmgraph_t *_alpm_graph_new(void)
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{
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pmgraph_t *graph = NULL;
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graph = (pmgraph_t *)malloc(sizeof(pmgraph_t));
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if(graph) {
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graph->state = 0;
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graph->data = NULL;
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graph->parent = NULL;
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graph->children = NULL;
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graph->childptr = NULL;
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}
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return(graph);
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}
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static void _alpm_graph_free(void *data)
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{
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pmgraph_t *graph = data;
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alpm_list_free(graph->children);
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free(graph);
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}
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pmdepmissing_t *_alpm_depmiss_new(const char *target, pmdeptype_t type,
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pmdepmod_t depmod, const char *depname,
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const char *depversion)
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{
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pmdepmissing_t *miss;
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ALPM_LOG_FUNC;
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miss = malloc(sizeof(pmdepmissing_t));
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if(miss == NULL) {
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_alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %d bytes"), sizeof(pmdepmissing_t));
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RET_ERR(PM_ERR_MEMORY, NULL);
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}
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strncpy(miss->target, target, PKG_NAME_LEN);
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miss->type = type;
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miss->depend.mod = depmod;
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strncpy(miss->depend.name, depname, PKG_NAME_LEN);
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if(depversion) {
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strncpy(miss->depend.version, depversion, PKG_VERSION_LEN);
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} else {
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miss->depend.version[0] = 0;
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}
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return(miss);
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}
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int _alpm_depmiss_isin(pmdepmissing_t *needle, alpm_list_t *haystack)
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{
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alpm_list_t *i;
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ALPM_LOG_FUNC;
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for(i = haystack; i; i = i->next) {
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pmdepmissing_t *miss = i->data;
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if(!memcmp(needle, miss, sizeof(pmdepmissing_t))
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&& !memcmp(&needle->depend, &miss->depend, sizeof(pmdepend_t))) {
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return(1);
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}
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}
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return(0);
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}
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/* Re-order a list of target packages with respect to their dependencies.
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*
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* Example (PM_TRANS_TYPE_ADD):
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* A depends on C
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* B depends on A
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* Target order is A,B,C,D
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*
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* Should be re-ordered to C,A,B,D
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*
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* mode should be either PM_TRANS_TYPE_ADD or PM_TRANS_TYPE_REMOVE. This
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* affects the dependency order sortbydeps() will use.
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*
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* This function returns the new alpm_list_t* target list.
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*
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*/
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alpm_list_t *_alpm_sortbydeps(alpm_list_t *targets, pmtranstype_t mode)
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{
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alpm_list_t *newtargs = NULL;
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alpm_list_t *i, *j, *k;
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alpm_list_t *vertices = NULL;
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alpm_list_t *vptr;
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pmgraph_t *vertex;
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ALPM_LOG_FUNC;
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if(targets == NULL) {
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return(NULL);
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}
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_alpm_log(PM_LOG_DEBUG, _("started sorting dependencies"));
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/* We create the vertices */
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for(i = targets; i; i = i->next) {
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pmgraph_t *vertex = _alpm_graph_new();
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vertex->data = (void *)i->data;
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vertices = alpm_list_add(vertices, vertex);
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}
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/* We compute the edges */
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for(i = vertices; i; i = i->next) {
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pmgraph_t *vertex_i = i->data;
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pmpkg_t *p_i = vertex_i->data;
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/* TODO this should be somehow combined with _alpm_checkdeps */
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for(j = vertices; j; j = j->next) {
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pmgraph_t *vertex_j = j->data;
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pmpkg_t *p_j = vertex_j->data;
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int child = 0;
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for(k = alpm_pkg_get_depends(p_i); k && !child; k = k->next) {
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pmdepend_t *depend = alpm_splitdep(k->data);
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child = alpm_depcmp(p_j, depend);
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free(depend);
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}
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if(child) vertex_i->children =
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alpm_list_add(vertex_i->children, vertex_j);
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}
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vertex_i->childptr = vertex_i->children;
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}
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vptr = vertices;
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vertex = vertices->data;
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while(vptr) {
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/* mark that we touched the vertex */
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vertex->state = -1;
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int found = 0;
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while(vertex->childptr && !found) {
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pmgraph_t *nextchild = (vertex->childptr)->data;
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vertex->childptr = (vertex->childptr)->next;
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if (nextchild->state == 0) {
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found = 1;
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nextchild->parent = vertex;
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vertex = nextchild;
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}
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else if(nextchild->state == -1) {
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_alpm_log(PM_LOG_WARNING, _("dependency cycle detected\n"));
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}
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}
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if(!found) {
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newtargs = alpm_list_add(newtargs, vertex->data);
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/* mark that we've left this vertex */
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vertex->state = 1;
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vertex = vertex->parent;
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if(!vertex) {
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vptr = vptr->next;
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while(vptr) {
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vertex = vptr->data;
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if (vertex->state == 0) break;
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vptr = vptr->next;
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}
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}
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}
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}
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_alpm_log(PM_LOG_DEBUG, _("sorting dependencies finished"));
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if(mode == PM_TRANS_TYPE_REMOVE) {
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/* we're removing packages, so reverse the order */
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alpm_list_t *tmptargs = alpm_list_reverse(newtargs);
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/* free the old one */
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alpm_list_free(newtargs);
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newtargs = tmptargs;
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}
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alpm_list_free_inner(vertices, _alpm_graph_free);
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return(newtargs);
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}
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/** Checks dependencies and returns missing ones in a list. Dependencies can include versions with depmod operators.
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* @param db pointer to the local package database
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* @param op transaction type
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* @param packages an alpm_list_t* of packages to be checked
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* @return an alpm_list_t* of missing_t pointers.
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*/
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alpm_list_t *_alpm_checkdeps(pmdb_t *db, pmtranstype_t op,
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alpm_list_t *packages)
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{
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alpm_list_t *i, *j, *k, *l;
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int found = 0;
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alpm_list_t *baddeps = NULL;
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pmdepmissing_t *miss = NULL;
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ALPM_LOG_FUNC;
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if(db == NULL) {
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return(NULL);
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}
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if(op == PM_TRANS_TYPE_UPGRADE) {
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/* PM_TRANS_TYPE_UPGRADE handles the backwards dependencies, ie, the packages
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* listed in the requiredby field.
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*/
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for(i = packages; i; i = i->next) {
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pmpkg_t *newpkg = i->data;
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pmpkg_t *oldpkg;
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if(newpkg == NULL) {
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_alpm_log(PM_LOG_DEBUG, _("null package found in package list"));
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continue;
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}
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if((oldpkg = _alpm_db_get_pkgfromcache(db, alpm_pkg_get_name(newpkg))) == NULL) {
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_alpm_log(PM_LOG_DEBUG, _("cannot find package installed '%s'"),
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alpm_pkg_get_name(newpkg));
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continue;
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}
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for(j = alpm_pkg_get_requiredby(oldpkg); j; j = j->next) {
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pmpkg_t *p;
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found = 0;
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if(_alpm_pkg_find(j->data, packages)) {
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/* this package also in the upgrade list, so don't worry about it */
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continue;
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}
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if((p = _alpm_db_get_pkgfromcache(db, j->data)) == NULL) {
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/* hmmm... package isn't installed.. */
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continue;
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}
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for(k = alpm_pkg_get_depends(p); k; k = k->next) {
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/* don't break any existing dependencies (possible provides) */
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pmdepend_t *depend = alpm_splitdep(k->data);
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if(depend == NULL) {
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continue;
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}
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/* if oldpkg satisfied this dep, and newpkg doesn't */
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if(alpm_depcmp(oldpkg, depend) && !alpm_depcmp(newpkg, depend)) {
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/* we've found a dep that was removed... see if any other package
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* still contains/provides the dep */
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int satisfied = 0;
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for(l = packages; l; l = l->next) {
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pmpkg_t *pkg = l->data;
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if(alpm_depcmp(pkg, depend)) {
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_alpm_log(PM_LOG_DEBUG, _("checkdeps: dependency '%s' has moved from '%s' to '%s'"),
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depend->name, alpm_pkg_get_name(oldpkg), alpm_pkg_get_name(pkg));
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satisfied = 1;
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break;
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}
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}
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if(!satisfied) {
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/* worst case... check installed packages to see if anything else
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* satisfies this... */
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for(l = _alpm_db_get_pkgcache(db); l; l = l->next) {
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pmpkg_t *pkg = l->data;
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if(alpm_depcmp(pkg, depend) && !_alpm_pkg_find(alpm_pkg_get_name(pkg), packages)) {
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/* we ignore packages that will be updated because we know
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* that the updated ones don't satisfy depend */
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_alpm_log(PM_LOG_DEBUG, _("checkdeps: dependency '%s' satisfied by installed package '%s'"),
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depend->name, alpm_pkg_get_name(pkg));
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satisfied = 1;
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break;
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}
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}
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}
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if(!satisfied) {
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_alpm_log(PM_LOG_DEBUG, _("checkdeps: updated '%s' won't satisfy a dependency of '%s'"),
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alpm_pkg_get_name(oldpkg), alpm_pkg_get_name(p));
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miss = _alpm_depmiss_new(p->name, PM_DEP_TYPE_DEPEND, depend->mod,
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depend->name, depend->version);
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if(!_alpm_depmiss_isin(miss, baddeps)) {
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baddeps = alpm_list_add(baddeps, miss);
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} else {
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FREE(miss);
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}
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}
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}
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free(depend);
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}
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}
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}
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}
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if(op == PM_TRANS_TYPE_ADD || op == PM_TRANS_TYPE_UPGRADE) {
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/* DEPENDENCIES -- look for unsatisfied dependencies */
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for(i = packages; i; i = i->next) {
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pmpkg_t *tp = i->data;
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if(tp == NULL) {
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_alpm_log(PM_LOG_DEBUG, _("null package found in package list"));
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continue;
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}
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for(j = alpm_pkg_get_depends(tp); j; j = j->next) {
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/* split into name/version pairs */
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pmdepend_t *depend = alpm_splitdep((char*)j->data);
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if(depend == NULL) {
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continue;
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}
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found = 0;
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/* check other targets */
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for(k = packages; k && !found; k = k->next) {
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pmpkg_t *p = k->data;
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found = alpm_depcmp(p, depend);
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}
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/* check database for satisfying packages */
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/* we can ignore packages being updated, they were checked above */
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for(k = _alpm_db_get_pkgcache(db); k && !found; k = k->next) {
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pmpkg_t *p = k->data;
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found = alpm_depcmp(p, depend)
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&& !_alpm_pkg_find(alpm_pkg_get_name(p), packages);
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}
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/* else if still not found... */
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if(!found) {
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_alpm_log(PM_LOG_DEBUG, _("missing dependency '%s' for package '%s'"),
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depend->name, alpm_pkg_get_name(tp));
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miss = _alpm_depmiss_new(alpm_pkg_get_name(tp), PM_DEP_TYPE_DEPEND, depend->mod,
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depend->name, depend->version);
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if(!_alpm_depmiss_isin(miss, baddeps)) {
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baddeps = alpm_list_add(baddeps, miss);
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} else {
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FREE(miss);
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}
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}
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free(depend);
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}
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}
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} else if(op == PM_TRANS_TYPE_REMOVE) {
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/* check requiredby fields */
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for(i = packages; i; i = i->next) {
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pmpkg_t *rmpkg = alpm_list_getdata(i);
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if(rmpkg == NULL) {
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_alpm_log(PM_LOG_DEBUG, _("null package found in package list"));
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continue;
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}
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for(j = alpm_pkg_get_requiredby(rmpkg); j; j = j->next) {
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pmpkg_t *p;
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found = 0;
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if(_alpm_pkg_find(j->data, packages)) {
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/* package also in the remove list, so don't worry about it */
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continue;
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}
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if((p = _alpm_db_get_pkgfromcache(db, j->data)) == NULL) {
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/* hmmm... package isn't installed... */
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continue;
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}
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for(k = alpm_pkg_get_depends(p); k; k = k->next) {
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pmdepend_t *depend = alpm_splitdep(k->data);
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if(depend == NULL) {
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continue;
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}
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/* if rmpkg satisfied this dep, try to find an other satisfier
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* (which won't be removed)*/
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if(alpm_depcmp(rmpkg, depend)) {
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int satisfied = 0;
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for(l = _alpm_db_get_pkgcache(db); l; l = l->next) {
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pmpkg_t *pkg = l->data;
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if(alpm_depcmp(pkg, depend) && !_alpm_pkg_find(alpm_pkg_get_name(pkg), packages)) {
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_alpm_log(PM_LOG_DEBUG, _("checkdeps: dependency '%s' satisfied by installed package '%s'"),
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depend->name, alpm_pkg_get_name(pkg));
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satisfied = 1;
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break;
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}
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}
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if(!satisfied) {
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_alpm_log(PM_LOG_DEBUG, _("checkdeps: found %s which requires %s"),
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alpm_pkg_get_name(p), alpm_pkg_get_name(rmpkg));
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miss = _alpm_depmiss_new(alpm_pkg_get_name(p),
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PM_DEP_TYPE_DEPEND, depend->mod, depend->name,
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depend->version);
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if(!_alpm_depmiss_isin(miss, baddeps)) {
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baddeps = alpm_list_add(baddeps, miss);
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} else {
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FREE(miss);
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}
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}
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}
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free(depend);
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}
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}
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}
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}
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return(baddeps);
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}
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pmdepend_t SYMEXPORT *alpm_splitdep(const char *depstring)
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{
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pmdepend_t *depend;
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char *ptr = NULL;
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char *newstr = NULL;
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if(depstring == NULL) {
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return(NULL);
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}
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newstr = strdup(depstring);
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depend = malloc(sizeof(pmdepend_t));
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if(depend == NULL) {
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_alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %d bytes"), sizeof(pmdepend_t));
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return(NULL);
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}
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/* Find a version comparator if one exists. If it does, set the type and
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* increment the ptr accordingly so we can copy the right strings. */
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if((ptr = strstr(newstr, ">="))) {
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depend->mod = PM_DEP_MOD_GE;
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*ptr = '\0';
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ptr += 2;
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} else if((ptr = strstr(newstr, "<="))) {
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depend->mod = PM_DEP_MOD_LE;
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*ptr = '\0';
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ptr += 2;
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} else if((ptr = strstr(newstr, "="))) {
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depend->mod = PM_DEP_MOD_EQ;
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*ptr = '\0';
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ptr += 1;
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} else {
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/* no version specified - copy in the name and return it */
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depend->mod = PM_DEP_MOD_ANY;
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strncpy(depend->name, newstr, PKG_NAME_LEN);
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depend->version[0] = '\0';
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free(newstr);
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return(depend);
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}
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/* if we get here, we have a version comparator, copy the right parts
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* to the right places */
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strncpy(depend->name, newstr, PKG_NAME_LEN);
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strncpy(depend->version, ptr, PKG_VERSION_LEN);
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free(newstr);
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return(depend);
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}
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/* These parameters are messy. We check if this package, given a list of
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* targets (and a db), is safe to remove. We do NOT remove it if it is in the
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* target list */
|
|
static int can_remove_package(pmdb_t *db, pmpkg_t *pkg, alpm_list_t *targets)
|
|
{
|
|
alpm_list_t *i;
|
|
|
|
if(_alpm_pkg_find(alpm_pkg_get_name(pkg), targets)) {
|
|
return(0);
|
|
}
|
|
|
|
/* see if it was explicitly installed */
|
|
if(alpm_pkg_get_reason(pkg) == PM_PKG_REASON_EXPLICIT) {
|
|
_alpm_log(PM_LOG_DEBUG, _("excluding %s -- explicitly installed"), alpm_pkg_get_name(pkg));
|
|
return(0);
|
|
}
|
|
|
|
/* see if other packages need it */
|
|
for(i = alpm_pkg_get_requiredby(pkg); i; i = i->next) {
|
|
pmpkg_t *reqpkg = _alpm_db_get_pkgfromcache(db, i->data);
|
|
if(reqpkg && !_alpm_pkg_find(alpm_pkg_get_name(reqpkg), targets)) {
|
|
return(0);
|
|
}
|
|
}
|
|
|
|
/* it's ok to remove */
|
|
return(1);
|
|
}
|
|
|
|
/* return a new alpm_list_t target list containing all packages in the original
|
|
* target list, as well as all their un-needed dependencies. By un-needed,
|
|
* I mean dependencies that are *only* required for packages in the target
|
|
* list, so they can be safely removed. This function is recursive.
|
|
*/
|
|
alpm_list_t *_alpm_removedeps(pmdb_t *db, alpm_list_t *targs)
|
|
{
|
|
alpm_list_t *i, *j, *k;
|
|
alpm_list_t *newtargs = targs;
|
|
|
|
ALPM_LOG_FUNC;
|
|
|
|
if(db == NULL) {
|
|
return(newtargs);
|
|
}
|
|
|
|
for(i = targs; i; i = i->next) {
|
|
pmpkg_t *pkg = i->data;
|
|
for(j = alpm_pkg_get_depends(pkg); j; j = j->next) {
|
|
pmdepend_t *depend = alpm_splitdep(j->data);
|
|
pmpkg_t *deppkg;
|
|
if(depend == NULL) {
|
|
continue;
|
|
}
|
|
|
|
deppkg = _alpm_db_get_pkgfromcache(db, depend->name);
|
|
if(deppkg == NULL) {
|
|
/* package not found... look for a provision instead */
|
|
alpm_list_t *provides = _alpm_db_whatprovides(db, depend->name);
|
|
if(!provides) {
|
|
/* Not found, that's fine, carry on */
|
|
_alpm_log(PM_LOG_DEBUG, _("cannot find package \"%s\" or anything that provides it!"), depend->name);
|
|
continue;
|
|
}
|
|
for(k = provides; k; k = k->next) {
|
|
pmpkg_t *provpkg = k->data;
|
|
if(can_remove_package(db, provpkg, newtargs)) {
|
|
pmpkg_t *pkg = _alpm_pkg_dup(provpkg);
|
|
|
|
_alpm_log(PM_LOG_DEBUG, _("adding '%s' to the targets"), alpm_pkg_get_name(pkg));
|
|
|
|
/* add it to the target list */
|
|
newtargs = alpm_list_add(newtargs, pkg);
|
|
newtargs = _alpm_removedeps(db, newtargs);
|
|
}
|
|
}
|
|
alpm_list_free(provides);
|
|
} else if(can_remove_package(db, deppkg, newtargs)) {
|
|
pmpkg_t *pkg = _alpm_pkg_dup(deppkg);
|
|
|
|
_alpm_log(PM_LOG_DEBUG, _("adding '%s' to the targets"), alpm_pkg_get_name(pkg));
|
|
|
|
/* add it to the target list */
|
|
newtargs = alpm_list_add(newtargs, pkg);
|
|
newtargs = _alpm_removedeps(db, newtargs);
|
|
}
|
|
free(depend);
|
|
}
|
|
}
|
|
|
|
return(newtargs);
|
|
}
|
|
|
|
/* populates *list with packages that need to be installed to satisfy all
|
|
* dependencies (recursive) for syncpkg
|
|
*
|
|
* make sure *list and *trail are already initialized
|
|
*/
|
|
int _alpm_resolvedeps(pmdb_t *local, alpm_list_t *dbs_sync, pmpkg_t *syncpkg,
|
|
alpm_list_t *list, alpm_list_t *trail, pmtrans_t *trans,
|
|
alpm_list_t **data)
|
|
{
|
|
alpm_list_t *i, *j;
|
|
alpm_list_t *targ;
|
|
alpm_list_t *deps = NULL;
|
|
|
|
ALPM_LOG_FUNC;
|
|
|
|
if(local == NULL || dbs_sync == NULL || syncpkg == NULL) {
|
|
return(-1);
|
|
}
|
|
|
|
_alpm_log(PM_LOG_DEBUG, _("started resolving dependencies"));
|
|
targ = alpm_list_add(NULL, syncpkg);
|
|
deps = _alpm_checkdeps(local, PM_TRANS_TYPE_ADD, targ);
|
|
alpm_list_free(targ);
|
|
|
|
if(deps == NULL) {
|
|
return(0);
|
|
}
|
|
|
|
for(i = deps; i; i = i->next) {
|
|
int found = 0;
|
|
pmdepmissing_t *miss = i->data;
|
|
pmpkg_t *sync = NULL;
|
|
|
|
/* check if one of the packages in *list already provides this dependency */
|
|
for(j = list; j && !found; j = j->next) {
|
|
pmpkg_t *sp = j->data;
|
|
if(alpm_list_find_str(alpm_pkg_get_provides(sp), miss->depend.name)) {
|
|
_alpm_log(PM_LOG_DEBUG, _("%s provides dependency %s -- skipping"),
|
|
alpm_pkg_get_name(sp), miss->depend.name);
|
|
found = 1;
|
|
}
|
|
}
|
|
if(found) {
|
|
continue;
|
|
}
|
|
|
|
/* find the package in one of the repositories */
|
|
/* check literals */
|
|
for(j = dbs_sync; !sync && j; j = j->next) {
|
|
sync = _alpm_db_get_pkgfromcache(j->data, miss->depend.name);
|
|
}
|
|
/*TODO this autoresolves the first 'provides' package... we should fix this
|
|
* somehow */
|
|
/* check provides */
|
|
if(!sync) {
|
|
for(j = dbs_sync; !sync && j; j = j->next) {
|
|
alpm_list_t *provides;
|
|
provides = _alpm_db_whatprovides(j->data, miss->depend.name);
|
|
if(provides) {
|
|
sync = provides->data;
|
|
}
|
|
alpm_list_free(provides);
|
|
}
|
|
}
|
|
|
|
if(!sync) {
|
|
_alpm_log(PM_LOG_ERROR, _("cannot resolve dependencies for \"%s\" (\"%s\" is not in the package set)"),
|
|
miss->target, miss->depend.name);
|
|
if(data) {
|
|
if((miss = malloc(sizeof(pmdepmissing_t))) == NULL) {
|
|
_alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %d bytes"), sizeof(pmdepmissing_t));
|
|
FREELIST(*data);
|
|
pm_errno = PM_ERR_MEMORY;
|
|
goto error;
|
|
}
|
|
*miss = *(pmdepmissing_t *)i->data;
|
|
*data = alpm_list_add(*data, miss);
|
|
}
|
|
pm_errno = PM_ERR_UNSATISFIED_DEPS;
|
|
goto error;
|
|
}
|
|
if(_alpm_pkg_find(alpm_pkg_get_name(sync), list)) {
|
|
/* this dep is already in the target list */
|
|
_alpm_log(PM_LOG_DEBUG, _("dependency %s is already in the target list -- skipping"),
|
|
alpm_pkg_get_name(sync));
|
|
continue;
|
|
}
|
|
|
|
if(!_alpm_pkg_find(alpm_pkg_get_name(sync), trail)) {
|
|
/* check pmo_ignorepkg and pmo_s_ignore to make sure we haven't pulled in
|
|
* something we're not supposed to.
|
|
*/
|
|
int usedep = 1;
|
|
if(alpm_list_find_str(handle->ignorepkg, alpm_pkg_get_name(sync))) {
|
|
pmpkg_t *dummypkg = _alpm_pkg_new(miss->target, NULL);
|
|
QUESTION(trans, PM_TRANS_CONV_INSTALL_IGNOREPKG, dummypkg, sync, NULL, &usedep);
|
|
_alpm_pkg_free(dummypkg);
|
|
}
|
|
if(usedep) {
|
|
trail = alpm_list_add(trail, sync);
|
|
if(_alpm_resolvedeps(local, dbs_sync, sync, list, trail, trans, data)) {
|
|
goto error;
|
|
}
|
|
_alpm_log(PM_LOG_DEBUG, _("pulling dependency %s (needed by %s)"),
|
|
alpm_pkg_get_name(sync), alpm_pkg_get_name(syncpkg));
|
|
list = alpm_list_add(list, sync);
|
|
} else {
|
|
_alpm_log(PM_LOG_ERROR, _("cannot resolve dependencies for \"%s\""), miss->target);
|
|
if(data) {
|
|
if((miss = malloc(sizeof(pmdepmissing_t))) == NULL) {
|
|
_alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %d bytes"), sizeof(pmdepmissing_t));
|
|
FREELIST(*data);
|
|
pm_errno = PM_ERR_MEMORY;
|
|
goto error;
|
|
}
|
|
*miss = *(pmdepmissing_t *)i->data;
|
|
*data = alpm_list_add(*data, miss);
|
|
}
|
|
pm_errno = PM_ERR_UNSATISFIED_DEPS;
|
|
goto error;
|
|
}
|
|
} else {
|
|
/* cycle detected -- skip it */
|
|
_alpm_log(PM_LOG_DEBUG, _("dependency cycle detected: %s"), sync->name);
|
|
}
|
|
}
|
|
|
|
_alpm_log(PM_LOG_DEBUG, _("finished resolving dependencies"));
|
|
|
|
FREELIST(deps);
|
|
|
|
return(0);
|
|
|
|
error:
|
|
FREELIST(deps);
|
|
return(-1);
|
|
}
|
|
|
|
const char SYMEXPORT *alpm_dep_get_target(pmdepmissing_t *miss)
|
|
{
|
|
ALPM_LOG_FUNC;
|
|
|
|
/* Sanity checks */
|
|
ASSERT(handle != NULL, return(NULL));
|
|
ASSERT(miss != NULL, return(NULL));
|
|
|
|
return miss->target;
|
|
}
|
|
|
|
pmdeptype_t SYMEXPORT alpm_dep_get_type(pmdepmissing_t *miss)
|
|
{
|
|
ALPM_LOG_FUNC;
|
|
|
|
/* Sanity checks */
|
|
ASSERT(handle != NULL, return(-1));
|
|
ASSERT(miss != NULL, return(-1));
|
|
|
|
return miss->type;
|
|
}
|
|
|
|
pmdepmod_t SYMEXPORT alpm_dep_get_mod(pmdepmissing_t *miss)
|
|
{
|
|
ALPM_LOG_FUNC;
|
|
|
|
/* Sanity checks */
|
|
ASSERT(handle != NULL, return(-1));
|
|
ASSERT(miss != NULL, return(-1));
|
|
|
|
return miss->depend.mod;
|
|
}
|
|
|
|
const char SYMEXPORT *alpm_dep_get_name(pmdepmissing_t *miss)
|
|
{
|
|
ALPM_LOG_FUNC;
|
|
|
|
/* Sanity checks */
|
|
ASSERT(handle != NULL, return(NULL));
|
|
ASSERT(miss != NULL, return(NULL));
|
|
|
|
return miss->depend.name;
|
|
}
|
|
|
|
const char SYMEXPORT *alpm_dep_get_version(pmdepmissing_t *miss)
|
|
{
|
|
ALPM_LOG_FUNC;
|
|
|
|
/* Sanity checks */
|
|
ASSERT(handle != NULL, return(NULL));
|
|
ASSERT(miss != NULL, return(NULL));
|
|
|
|
return miss->depend.version;
|
|
}
|
|
/* vim: set ts=2 sw=2 noet: */
|