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revwalk: don't assume malloc succeeds

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This commit is contained in:
Carlos Martín Nieto 2012-03-03 04:46:21 +01:00
parent 1de77cd314
commit 081d229106
1 changed files with 9 additions and 3 deletions
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12
src/revwalk.c
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@ -58,6 +58,9 @@ struct git_revwalk {
static commit_list *commit_list_insert(commit_object *item, commit_list **list_p)
{
commit_list *new_list = git__malloc(sizeof(commit_list));
if (new_list == NULL)
return NULL;
new_list->item = item;
new_list->next = *list_p;
*list_p = new_list;
@ -490,7 +493,8 @@ static int revwalk_next_toposort(commit_object **object_out, git_revwalk *walk)
if (--parent->in_degree == 0 && parent->topo_delay) {
parent->topo_delay = 0;
commit_list_insert(parent, &walk->iterator_topo);
if (commit_list_insert(parent, &walk->iterator_topo) == NULL)
return GIT_ENOMEM;
}
}
@ -520,7 +524,8 @@ static int prepare_walk(git_revwalk *walk)
parent->in_degree++;
}
commit_list_insert(next, &walk->iterator_topo);
if (commit_list_insert(next, &walk->iterator_topo) == NULL)
return GIT_ENOMEM;
}
if (error != GIT_EREVWALKOVER)
@ -532,7 +537,8 @@ static int prepare_walk(git_revwalk *walk)
if (walk->sorting & GIT_SORT_REVERSE) {
while ((error = walk->get_next(&next, walk)) == GIT_SUCCESS)
commit_list_insert(next, &walk->iterator_reverse);
if (commit_list_insert(next, &walk->iterator_reverse) == NULL)
return GIT_ENOMEM;
if (error != GIT_EREVWALKOVER)
return git__rethrow(error, "Failed to prepare revision walk");