Merge branch 'js/check-null-from-read-object-file'

The code paths that call repo_read_object_file() have been
tightened to react to errors.

* js/check-null-from-read-object-file:
  Always check the return value of `repo_read_object_file()`
This commit is contained in:
Junio C Hamano
2024-02-14 15:36:06 -08:00
6 changed files with 22 additions and 4 deletions

View File

@ -221,6 +221,10 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name,
&type,
&size);
const char *target;
if (!buffer)
die(_("unable to read %s"), oid_to_hex(&oid));
if (!skip_prefix(buffer, "object ", &target) ||
get_oid_hex(target, &blob_oid))
die("%s not a valid tag", oid_to_hex(&oid));
@ -416,6 +420,8 @@ static void print_object_or_die(struct batch_options *opt, struct expand_data *d
contents = repo_read_object_file(the_repository, oid, &type,
&size);
if (!contents)
die("object %s disappeared", oid_to_hex(oid));
if (use_mailmap) {
size_t s = size;
@ -423,8 +429,6 @@ static void print_object_or_die(struct batch_options *opt, struct expand_data *d
size = cast_size_t_to_ulong(s);
}
if (!contents)
die("object %s disappeared", oid_to_hex(oid));
if (type != data->type)
die("object %s changed type!?", oid_to_hex(oid));
if (data->info.sizep && size != data->size && !use_mailmap)
@ -481,6 +485,8 @@ static void batch_object_write(const char *obj_name,
buf = repo_read_object_file(the_repository, &data->oid, &data->type,
&data->size);
if (!buf)
die(_("unable to read %s"), oid_to_hex(&data->oid));
buf = replace_idents_using_mailmap(buf, &s);
data->size = cast_size_t_to_ulong(s);