On Wed, May 28, 2014 at 12:47 PM, Jonathan Nieder <jrnie...@gmail.com> wrote:
> Ronnie Sahlberg wrote:
>
>> --- a/fast-import.c
>> +++ b/fast-import.c
>> @@ -1735,15 +1735,22 @@ static void dump_tags(void)
>> {
>> static const char *msg = "fast-import";
>> struct tag *t;
>> - struct ref_lock *lock;
>> char ref_name[PATH_MAX];
>> + struct strbuf err = STRBUF_INIT;
>> + struct ref_transaction *transaction;
>>
>> + transaction = ref_transaction_begin(&err);
>> for (t = first_tag; t; t = t->next_tag) {
>> - sprintf(ref_name, "tags/%s", t->name);
>> + snprintf(ref_name, PATH_MAX, "refs/tags/%s", t->name);
>
> That ignores the error if the refname happens to go longer than
> PATH_MAX.
>
> This is the part of fast-import that doesn't need to be super
> fast ;-). (The objects have been written to the pack, and now
> we just need to write some refs.) Could this use a strbuf? By that,
> I mean something like
>
> diff --git i/fast-import.c w/fast-import.c
> index 3db5b3d..d5f6e63 100644
> --- i/fast-import.c
> +++ w/fast-import.c
> @@ -1735,21 +1735,28 @@ static void dump_tags(void)
> {
> static const char *msg = "fast-import";
> struct tag *t;
> - char ref_name[PATH_MAX];
> + struct strbuf ref_name = STRBUF_INIT;
> struct strbuf err = STRBUF_INIT;
> struct ref_transaction *transaction;
>
> + strbuf_addstr(&ref_name, "refs/tags/");
> +
> transaction = ref_transaction_begin(&err);
> for (t = first_tag; t; t = t->next_tag) {
> - snprintf(ref_name, PATH_MAX, "refs/tags/%s", t->name);
> + strbuf_setlen(&ref_name, strlen("refs/tags/"));
> + strbuf_addstr(&ref_name, t->name);
>
> - if (ref_transaction_update(transaction, ref_name, t->sha1,
> - NULL, 0, 0, &err))
> - break;
> + if (ref_transaction_update(transaction, ref_name.buf, t->sha1,
> + NULL, 0, 0, &err)) {
> + failure |= error("%s", err.buf);
> + goto done;
> + }
> }
> if (ref_transaction_commit(transaction, msg, &err))
> failure |= error("%s", err.buf);
> +done:
> ref_transaction_free(transaction);
> + strbuf_release(&ref_name);
> strbuf_release(&err);
> }
Changed to strbuf. Thanks.
>
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