man_off_t *manio_tell(struct manio *manio)
{
static man_off_t offset;
memset(&offset, 0, sizeof(man_off_t));
if(!manio->fzp) return 0;
if((manio->offset.offset=fzp_tell(manio->fzp))<0)
return NULL;
man_off_t_memcpy(&offset, &manio->offset);
return &offset;
}
int manio_truncate(struct manio *manio)
{
off_t pos=0;
if(manio->fzp && (pos=fzp_tell(manio->fzp))<0)
{
logp("Could not fzp_tell %s in %s(): %s\n",
manio->directory, __func__, strerror(errno));
return -1;
}
if(truncate(manio->directory, pos))
{
logp("Could not truncate %s in %s(): %s\n",
manio->directory, __func__, strerror(errno));
return -1;
}
return 0;
}
man_off_t *manio_tell(struct manio *manio)
{
man_off_t *offset=NULL;
if(!manio->fzp)
{
logp("manio_tell called on null fzp\n");
goto error;
}
if(!(offset=man_off_t_alloc())
|| !(offset->fpath=strdup_w(manio->offset->fpath, __func__))
|| (offset->offset=fzp_tell(manio->fzp))<0)
goto error;
offset->fcount=manio->offset->fcount;
return offset;
error:
man_off_t_free(&offset);
return NULL;
}
// This deals with reading in the sparse index, as well as actual candidate
// manifests.
enum cand_ret candidate_load(struct candidate *candidate, const char *path,
struct scores *scores)
{
enum cand_ret ret=CAND_RET_PERM;
struct fzp *fzp=NULL;
struct sbuf *sb=NULL;
struct blk *blk=NULL;
if(!(sb=sbuf_alloc(PROTO_2))
|| !(blk=blk_alloc()))
{
ret=CAND_RET_PERM;
goto error;
}
if(!(fzp=fzp_gzopen(path, "rb")))
{
ret=CAND_RET_TEMP;
goto error;
}
while(fzp)
{
sbuf_free_content(sb);
switch(sbuf_fill_from_file(sb, fzp, blk, NULL))
{
case 1: goto end;
case -1:
logp("Error reading %s in %s, pos %d\n",
path, __func__, fzp_tell(fzp));
ret=CAND_RET_TEMP;
goto error;
}
if(blk_fingerprint_is_hook(blk))
{
if(sparse_add_candidate(&blk->fingerprint, candidate))
{
ret=CAND_RET_PERM;
goto error;
}
}
else if(sb->path.cmd==CMD_MANIFEST)
{
if(!(candidate=candidates_add_new()))
{
ret=CAND_RET_PERM;
goto error;
}
candidate->path=sb->path.buf;
sb->path.buf=NULL;
}
blk->fingerprint=0;
}
end:
if(scores_grow(scores, candidates_len))
{
ret=CAND_RET_PERM;
goto error;
}
candidates_set_score_pointers(candidates, candidates_len, scores);
scores_reset(scores);
//logp("Now have %d candidates\n", (int)candidates_len);
ret=CAND_RET_OK;
error:
fzp_close(&fzp);
sbuf_free(&sb);
blk_free(&blk);
return ret;
}