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authorDan McGee <dan@archlinux.org>2011-06-14 10:01:08 -0500
committerDan McGee <dan@archlinux.org>2011-06-14 10:01:08 -0500
commitee015f086f3c40390659bbc0129b7c08ffd0ed5f (patch)
treeb2ba33041450fd5c5fb226649b88534fdac60ff1 /lib/libalpm/sync.c
parentbe972767358e6dfbb08686555d8e2c0176a55106 (diff)
Ensure handle is valid and pm_errno is reset when calling into API
We didn't do due diligence before and ensure prior pm_errno values weren't influencing what happened in further ALPM calls. I observed one case of early setup code setting pm_errno to PM_ERR_WRONG_ARGS and that flag persisting the entire time we were calling library code. Add a new CHECK_HANDLE() macro that does two things: 1) ensures the handle variable passed to it is non-NULL and 2) clears any existing pm_errno flag set on the handle. This macro can replace many places we used the ASSERT(handle != NULL, ...) pattern before. Several other other places only need a simple 'set to zero' of the pm_errno field. Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'lib/libalpm/sync.c')
-rw-r--r--lib/libalpm/sync.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c
index d65f5e20..05735730 100644
--- a/lib/libalpm/sync.c
+++ b/lib/libalpm/sync.c
@@ -55,11 +55,12 @@
*/
pmpkg_t SYMEXPORT *alpm_sync_newversion(pmpkg_t *pkg, alpm_list_t *dbs_sync)
{
- ASSERT(pkg != NULL, return NULL);
-
alpm_list_t *i;
pmpkg_t *spkg = NULL;
+ ASSERT(pkg != NULL, return NULL);
+ pkg->handle->pm_errno = 0;
+
for(i = dbs_sync; !spkg && i; i = i->next) {
spkg = _alpm_db_get_pkgfromcache(i->data, alpm_pkg_get_name(pkg));
}
@@ -89,7 +90,7 @@ int SYMEXPORT alpm_sync_sysupgrade(pmhandle_t *handle, int enable_downgrade)
pmdb_t *db_local;
alpm_list_t *dbs_sync;
- ASSERT(handle != NULL, return -1);
+ CHECK_HANDLE(handle, return -1);
trans = handle->trans;
db_local = handle->db_local;
dbs_sync = handle->dbs_sync;