Don't dereference NULL upon lookup failure.
Instead, signal the error just like the case we do upon encountering an object with an unknown type. Signed-off-by: Jim Meyering <meyering@redhat.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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parent
97bc00a490
commit
cc21682793
35
object.c
35
object.c
@ -136,29 +136,38 @@ struct object *parse_object_buffer(const unsigned char *sha1, enum object_type t
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struct object *obj;
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int eaten = 0;
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obj = NULL;
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if (type == OBJ_BLOB) {
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struct blob *blob = lookup_blob(sha1);
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parse_blob_buffer(blob, buffer, size);
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obj = &blob->object;
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if (blob) {
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parse_blob_buffer(blob, buffer, size);
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obj = &blob->object;
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}
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} else if (type == OBJ_TREE) {
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struct tree *tree = lookup_tree(sha1);
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obj = &tree->object;
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if (!tree->object.parsed) {
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parse_tree_buffer(tree, buffer, size);
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eaten = 1;
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if (tree) {
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obj = &tree->object;
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if (!tree->object.parsed) {
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parse_tree_buffer(tree, buffer, size);
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eaten = 1;
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}
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}
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} else if (type == OBJ_COMMIT) {
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struct commit *commit = lookup_commit(sha1);
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parse_commit_buffer(commit, buffer, size);
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if (!commit->buffer) {
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commit->buffer = buffer;
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eaten = 1;
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if (commit) {
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parse_commit_buffer(commit, buffer, size);
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if (!commit->buffer) {
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commit->buffer = buffer;
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eaten = 1;
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}
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obj = &commit->object;
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}
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obj = &commit->object;
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} else if (type == OBJ_TAG) {
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struct tag *tag = lookup_tag(sha1);
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parse_tag_buffer(tag, buffer, size);
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obj = &tag->object;
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if (tag) {
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parse_tag_buffer(tag, buffer, size);
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obj = &tag->object;
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}
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} else {
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warning("object %s has unknown type id %d\n", sha1_to_hex(sha1), type);
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obj = NULL;
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