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authorChantry Xavier <shiningxc@gmail.com>2007-11-21 19:51:46 +0100
committerDan McGee <dan@archlinux.org>2007-11-25 14:01:19 -0600
commit8d9ee923ec3860e3f1133a66a0dc94ce85644bb4 (patch)
treef9534e1924c24f6c978c80709d8316d20c9c4280 /lib/libalpm
parent8bee526d28eaad45e0e1e210cd523e157c71cfae (diff)
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>
Diffstat (limited to 'lib/libalpm')
-rw-r--r--lib/libalpm/remove.c2
-rw-r--r--lib/libalpm/sync.c42
2 files changed, 19 insertions, 25 deletions
diff --git a/lib/libalpm/remove.c b/lib/libalpm/remove.c
index 592cf39e..e1f19ec8 100644
--- a/lib/libalpm/remove.c
+++ b/lib/libalpm/remove.c
@@ -315,7 +315,7 @@ int _alpm_remove_commit(pmtrans_t *trans, pmdb_t *db)
(pkg_count - alpm_list_count(targ) + 1));
position++;
}
- free(newfiles);
+ alpm_list_free(newfiles);
}
/* set progress to 100% after we finish unlinking files */
diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c
index f03a78be..b49bbfb6 100644
--- a/lib/libalpm/sync.c
+++ b/lib/libalpm/sync.c
@@ -496,12 +496,13 @@ int _alpm_sync_prepare(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t *dbs_sync
if(deps) {
int errorout = 0;
alpm_list_t *asked = NULL;
+ pmconflict_t *conflict = NULL;
for(i = deps; i && !errorout; i = i->next) {
- pmconflict_t *conflict = i->data;
pmsyncpkg_t *sync;
pmpkg_t *found = NULL;
+ conflict = i->data;
_alpm_log(PM_LOG_DEBUG, "package '%s' conflicts with '%s'\n",
conflict->package1, conflict->package2);
/* check if the conflicting package is about to be removed/replaced.
@@ -614,42 +615,35 @@ int _alpm_sync_prepare(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t *dbs_sync
/* abort */
_alpm_log(PM_LOG_ERROR, _("unresolvable package conflicts detected\n"));
errorout = 1;
- if(data) {
- if((conflict = malloc(sizeof(pmconflict_t))) == NULL) {
- _alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %zd bytes\n"), sizeof(pmconflict_t));
- FREELIST(*data);
- pm_errno = PM_ERR_MEMORY;
- ret = -1;
- goto cleanup;
- }
- *conflict = *(pmconflict_t *)i->data;
- *data = alpm_list_add(*data, conflict);
- }
}
}
} else {
_alpm_log(PM_LOG_ERROR, _("unresolvable package conflicts detected\n"));
errorout = 1;
- if(data) {
- if((conflict = malloc(sizeof(pmconflict_t))) == NULL) {
- _alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %zd bytes\n"), sizeof(pmconflict_t));
- FREELIST(*data);
- pm_errno = PM_ERR_MEMORY;
- ret = -1;
- goto cleanup;
- }
- *conflict = *(pmconflict_t *)i->data;
- *data = alpm_list_add(*data, conflict);
- }
}
}
if(errorout) {
+ /* The last conflict was unresolvable, so we duplicate it and add it to *data */
pm_errno = PM_ERR_CONFLICTING_DEPS;
+ if(data) {
+ pmconflict_t *lastconflict = conflict;
+ if((conflict = malloc(sizeof(pmconflict_t))) == NULL) {
+ _alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %zd bytes\n"),
+ sizeof(pmconflict_t));
+ FREELIST(*data);
+ pm_errno = PM_ERR_MEMORY;
+ } else {
+ *conflict = *lastconflict;
+ *data = alpm_list_add(*data, conflict);
+ }
+ }
+ FREELIST(asked);
+ FREELIST(deps);
ret = -1;
goto cleanup;
}
- FREELIST(deps);
FREELIST(asked);
+ FREELIST(deps);
}
EVENT(trans, PM_TRANS_EVT_INTERCONFLICTS_DONE, NULL, NULL);
}