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treebuilder: fix memory leaks in write_with_buffer

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While we detect errors in `git_treebuilder_write_with_buffer`, we just
exit directly instead of freeing allocated memory. Fix this by
remembering error codes and skipping forward to the function's cleanup
code.
This commit is contained in:
Patrick Steinhardt 2017-03-27 13:11:38 +02:00
parent a25df009ef
commit 4f9327faf9
1 changed files with 8 additions and 7 deletions
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15
src/tree.c
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@ -818,7 +818,7 @@ int git_treebuilder_write_with_buffer(git_oid *oid, git_treebuilder *bld, git_bu
size_t i, entrycount;
git_odb *odb;
git_tree_entry *entry;
git_vector entries;
git_vector entries = GIT_VECTOR_INIT;
assert(bld);
assert(tree);
@ -826,16 +826,16 @@ int git_treebuilder_write_with_buffer(git_oid *oid, git_treebuilder *bld, git_bu
git_buf_clear(tree);
entrycount = git_strmap_num_entries(bld->map);
if (git_vector_init(&entries, entrycount, entry_sort_cmp) < 0)
return -1;
if ((error = git_vector_init(&entries, entrycount, entry_sort_cmp)) < 0)
goto out;
if (tree->asize == 0 &&
(error = git_buf_grow(tree, entrycount * 72)) < 0)
return error;
(error = git_buf_grow(tree, entrycount * 72)) < 0)
goto out;
git_strmap_foreach_value(bld->map, entry, {
if (git_vector_insert(&entries, entry) < 0)
return -1;
if ((error = git_vector_insert(&entries, entry)) < 0)
goto out;
});
git_vector_sort(&entries);
@ -855,6 +855,7 @@ int git_treebuilder_write_with_buffer(git_oid *oid, git_treebuilder *bld, git_bu
!(error = git_repository_odb__weakptr(&odb, bld->repo)))
error = git_odb_write(oid, odb, tree->ptr, tree->size, GIT_OBJ_TREE);
out:
git_vector_free(&entries);
return error;