> On Dec 7, 2017, at 5:12 PM, Ben Pfaff <b...@ovn.org> wrote:
>
> @@ -487,6 +507,24 @@ ovsdb_log_unread(struct ovsdb_log *file)
> file->offset = file->prev_offset;
> }
>
> +static struct ovsdb_error *
> +ovsdb_log_truncate(struct ovsdb_log *file)
> +{
> + file->state = OVSDB_LOG_WRITE;
> +
> + struct ovsdb_error *error = NULL;
> + if (fseeko(file->stream, file->offset, SEEK_SET)) {
> + error = ovsdb_io_error(errno, "%s: cannot seek to offset %lld",
> + file->display_name,
> + (long long int) file->offset);
> + } else if (ftruncate(fileno(file->stream), file->offset)) {
> + error = ovsdb_io_error(errno, "%s: cannot truncate to length %lld",
> + file->display_name,
> + (long long int) file->offset);
> + }
> + return error;
> +}
> ...
> @@ -521,19 +557,13 @@ ovsdb_log_write(struct ovsdb_log *file, const struct
> json *json)
> case OVSDB_LOG_READ:
> case OVSDB_LOG_READ_ERROR:
> case OVSDB_LOG_WRITE_ERROR:
> ovsdb_error_destroy(file->error);
>
> + file->error = ovsdb_log_truncate(file);
> + if (file->error) {
> + file->state = OVSDB_LOG_WRITE_ERROR;
> + return ovsdb_error_clone(file->error);
> }
> + file->state = OVSDB_LOG_WRITE;
> break;
Obviously not a big deal, but I think "file->state" will always be in
OVSDB_LOG_WRITE due to the call to ovsdb_log_truncate().
> @@ -541,8 +571,7 @@ ovsdb_log_write(struct ovsdb_log *file, const struct json
> *json)
>
> if (json->type != JSON_OBJECT && json->type != JSON_ARRAY) {
> - error = OVSDB_BUG("bad JSON type");
> - goto error;
> + return OVSDB_BUG("bad JSON type");
Does this not need to set the state to OVSDB_LOG_WRITE_ERROR any more?
Acked-by: Justin Pettit <jpet...@ovn.org>
--Justin
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