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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/add.c
parentbe972767358e6dfbb08686555d8e2c0176a55106 (diff)
downloadpacman-ee015f086f3c40390659bbc0129b7c08ffd0ed5f.tar.xz
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/add.c')
-rw-r--r--lib/libalpm/add.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/libalpm/add.c b/lib/libalpm/add.c
index 6f93c61d..7b394a5b 100644
--- a/lib/libalpm/add.c
+++ b/lib/libalpm/add.c
@@ -57,7 +57,7 @@ int SYMEXPORT alpm_add_pkg(pmhandle_t *handle, pmpkg_t *pkg)
pmpkg_t *local;
/* Sanity checks */
- ASSERT(handle != NULL, return -1);
+ CHECK_HANDLE(handle, return -1);
ASSERT(pkg != NULL, RET_ERR(handle, PM_ERR_WRONG_ARGS, -1));
ASSERT(handle == pkg->handle, RET_ERR(handle, PM_ERR_WRONG_ARGS, -1));
trans = handle->trans;
@@ -715,11 +715,12 @@ int _alpm_upgrade_packages(pmhandle_t *handle)
/* loop through our package list adding/upgrading one at a time */
for(targ = trans->add; targ; targ = targ->next) {
+ pmpkg_t *newpkg = targ->data;
+
if(handle->trans->state == STATE_INTERRUPTED) {
return ret;
}
- pmpkg_t *newpkg = (pmpkg_t *)targ->data;
if(commit_single_pkg(handle, newpkg, pkg_current, pkg_count)) {
/* something screwed up on the commit, abort the trans */
trans->state = STATE_INTERRUPTED;