Fix several memleaks, mostly related to errors handling.
* The frontend calls alpm_trans_prepare(&data), and in case of errors, receive the missing dependencies / conflicts / etc in the data pointer. It apparently needs to free this structure totally with : alpm_list_free_inner(data, free) alpm_list_free(data) So I added alpm_list_free_inner(data, free) in pacman/{sync.c,remove.c,add,c} * in _alpm_sync_prepare, the deps and asked lists were not freed in case of errors (unresolvable conflicts). Besides the code for handling this case was duplicated. * in _alpm_remove_commit, free was used instead of alpm_list_free for newfiles. * newline fix in pacman/sync.c Signed-off-by: Chantry Xavier <shiningxc@gmail.com> Signed-off-by: Dan McGee <dan@archlinux.org>
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@ -315,7 +315,7 @@ int _alpm_remove_commit(pmtrans_t *trans, pmdb_t *db)
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(pkg_count - alpm_list_count(targ) + 1));
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position++;
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}
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free(newfiles);
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alpm_list_free(newfiles);
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}
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/* set progress to 100% after we finish unlinking files */
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@ -496,12 +496,13 @@ int _alpm_sync_prepare(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t *dbs_sync
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if(deps) {
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int errorout = 0;
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alpm_list_t *asked = NULL;
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pmconflict_t *conflict = NULL;
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for(i = deps; i && !errorout; i = i->next) {
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pmconflict_t *conflict = i->data;
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pmsyncpkg_t *sync;
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pmpkg_t *found = NULL;
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conflict = i->data;
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_alpm_log(PM_LOG_DEBUG, "package '%s' conflicts with '%s'\n",
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conflict->package1, conflict->package2);
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/* check if the conflicting package is about to be removed/replaced.
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@ -614,42 +615,35 @@ int _alpm_sync_prepare(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t *dbs_sync
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/* abort */
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_alpm_log(PM_LOG_ERROR, _("unresolvable package conflicts detected\n"));
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errorout = 1;
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if(data) {
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if((conflict = malloc(sizeof(pmconflict_t))) == NULL) {
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_alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %zd bytes\n"), sizeof(pmconflict_t));
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FREELIST(*data);
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pm_errno = PM_ERR_MEMORY;
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ret = -1;
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goto cleanup;
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}
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*conflict = *(pmconflict_t *)i->data;
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*data = alpm_list_add(*data, conflict);
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}
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}
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}
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} else {
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_alpm_log(PM_LOG_ERROR, _("unresolvable package conflicts detected\n"));
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errorout = 1;
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if(data) {
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if((conflict = malloc(sizeof(pmconflict_t))) == NULL) {
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_alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %zd bytes\n"), sizeof(pmconflict_t));
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FREELIST(*data);
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pm_errno = PM_ERR_MEMORY;
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ret = -1;
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goto cleanup;
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}
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*conflict = *(pmconflict_t *)i->data;
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*data = alpm_list_add(*data, conflict);
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}
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}
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}
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if(errorout) {
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/* The last conflict was unresolvable, so we duplicate it and add it to *data */
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pm_errno = PM_ERR_CONFLICTING_DEPS;
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if(data) {
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pmconflict_t *lastconflict = conflict;
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if((conflict = malloc(sizeof(pmconflict_t))) == NULL) {
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_alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %zd bytes\n"),
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sizeof(pmconflict_t));
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FREELIST(*data);
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pm_errno = PM_ERR_MEMORY;
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} else {
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*conflict = *lastconflict;
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*data = alpm_list_add(*data, conflict);
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}
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}
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FREELIST(asked);
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FREELIST(deps);
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ret = -1;
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goto cleanup;
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}
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FREELIST(deps);
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FREELIST(asked);
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FREELIST(deps);
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}
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EVENT(trans, PM_TRANS_EVT_INTERCONFLICTS_DONE, NULL, NULL);
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}
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@ -175,6 +175,7 @@ int pacman_add(alpm_list_t *targets)
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break;
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}
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add_cleanup();
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alpm_list_free_inner(data, free);
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alpm_list_free(data);
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return(1);
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}
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@ -133,6 +133,7 @@ int pacman_remove(alpm_list_t *targets)
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depstring);
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free(depstring);
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}
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alpm_list_free_inner(data, free);
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alpm_list_free(data);
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break;
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default:
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@ -621,7 +621,7 @@ int sync_trans(alpm_list_t *targets, int sync_only)
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case PM_ERR_CONFLICTING_DEPS:
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for(i = data; i; i = alpm_list_next(i)) {
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pmconflict_t *conflict = alpm_list_getdata(i);
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printf(_(":: %s: conflicts with %s"),
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printf(_(":: %s: conflicts with %s\n"),
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alpm_conflict_get_package1(conflict), alpm_conflict_get_package2(conflict));
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}
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break;
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@ -706,6 +706,7 @@ int sync_trans(alpm_list_t *targets, int sync_only)
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/* Step 4: release transaction resources */
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cleanup:
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if(data) {
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alpm_list_free_inner(data, free);
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alpm_list_free(data);
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}
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if(alpm_trans_release() == -1) {
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