int sc_commit(sc *s, svlog *log, uint64_t lsn, int recover)
{
/* write-ahead log */
swtx tl;
sw_begin(s->wm, &tl, lsn, recover);
int rc = sw_write(&tl, log);
if (ssunlikely(rc == -1)) {
sw_rollback(&tl);
return -1;
}
sw_commit(&tl);
/* index */
svlogindex *i = (svlogindex*)log->index.s;
svlogindex *end = (svlogindex*)log->index.p;
for (; i < end; i++) {
if (i->count == 0)
continue;
si *index = i->r->ptr;
sitx x;
si_begin(&x, index);
si_write(&x, log, i, recover);
si_commit(&x);
}
return 0;
}
static size_t sw_write(FILE *f, const unsigned char *s, size_t l)
{
size_t l0 = l;
int i = 0;
struct cookie *c = f->cookie;
if (s!=f->wbase && sw_write(f, f->wbase, f->wpos-f->wbase)==-1)
return -1;
while (c->l && l && (i=mbtowc(c->ws, (void *)s, l))>=0) {
s+=i;
l-=i;
c->l--;
c->ws++;
}
*c->ws = 0;
return i<0 ? i : l0;
}
