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Some minor cleanup post-lfsr_data_t adoption

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This commit is contained in:
Christopher Haster
2023-04-06 15:08:35 -05:00
parent 2142b4a09d
commit 10473f716e
2 changed files with 638 additions and 771 deletions
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lfs.c
+54 -187
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@@ -773,92 +773,51 @@ struct lfsr_attr {
const struct lfsr_attr *next; const struct lfsr_attr *next;
}; };
#define LFSD_ATTR_(_tag, _id, _delta, _buf, _len, _next) \ #define LFSR_ATTR_(_tag, _id, _delta, _buf, _len, _next) \
(&(const struct lfsr_attr){ \ (&(const struct lfsr_attr){ \
_tag, _id, _delta, \ _tag, _id, _delta, \
LFSR_DATA_BUF(_buf, _len), \ LFSR_DATA_BUF(_buf, _len), \
_next}) _next})
#define LFSD_ATTR(_type, _id, _delta, _buf, _len, _next) \ #define LFSR_ATTR(_type, _id, _delta, _buf, _len, _next) \
LFSD_ATTR_(LFSR_TAG_##_type, _id, _delta, _buf, _len, _next) LFSR_ATTR_(LFSR_TAG_##_type, _id, _delta, _buf, _len, _next)
#define LFSD_ATTR_DISK_(_tag, _id, _delta, _block, _off, _len, _next) \ #define LFSR_ATTR_DISK_(_tag, _id, _delta, _block, _off, _len, _next) \
(&(const struct lfsr_attr){ \ (&(const struct lfsr_attr){ \
_tag, _id, _delta, \ _tag, _id, _delta, \
LFSR_DATA_DISK(_block, _off, _len), \ LFSR_DATA_DISK(_block, _off, _len), \
_next}) _next})
#define LFSD_ATTR_DISK(_type, _id, _delta, _block, _off, _len, _next) \ #define LFSR_ATTR_DISK(_type, _id, _delta, _block, _off, _len, _next) \
LFSD_ATTR_DISK_(LFSR_TAG_##_type, _id, _delta, _block, _off, _len, _next) LFSR_ATTR_DISK_(LFSR_TAG_##_type, _id, _delta, _block, _off, _len, _next)
#define LFSD_ATTR_IF_(_pred, _tag, _id, _delta, _buf, _len, _next) \ #define LFSR_ATTR_IF_(_pred, _tag, _id, _delta, _buf, _len, _next) \
LFSD_ATTR_( \
(_pred) ? (_tag) : LFSR_TAG_UNR, \
_id, \
(_pred) ? (_delta) : 0, \
_buf, \
(_pred) ? (_len) : 0, \
_next)
#define LFSD_ATTR_IF(_pred, _type, _id, _delta, _buf, _len, _next) \
LFSD_ATTR_IF_(_pred, LFSR_TAG_##_type, _id, _delta, _buf, _len, _next)
#define LFSD_ATTR_DISK_IF_(_pred, \
_tag, _id, _delta, _block, _off, _len, _next) \
LFSD_ATTR_DISK_( \
(_pred) ? (_tag) : LFSD_TAG_NOOP, \
_id, \
(_pred) ? (_delta) : 0, \
_block, \
_off, \
(_pred) ? (_len) : 0, \
_next)
#define LFSD_ATTR_DISK_IF(_pred, \
_type, _id, _delta, _block, _off, _len, _next) \
LFSD_ATTR_DISK_IF_(_pred, \
LFSD_TAG_##_type, _id, _delta, _block, _off, _len, _next)
#define LFSR_ATTR_(_tag, _id, _buf, _len, _next) \
(&(const struct lfsr_attr){ \
_tag, _id, 0, \
LFSR_DATA_BUF(_buf, _len), \
_next})
#define LFSR_ATTR(_type, _id, _buf, _len, _next) \
LFSR_ATTR_(LFSR_TAG_##_type, _id, _buf, _len, _next)
#define LFSR_ATTR_DISK_(_tag, _id, _block, _off, _len, _next) \
(&(const struct lfsr_attr){ \
_tag, _id, 0, \
LFSR_DATA_DISK(_block, _off, _len), \
_next})
#define LFSR_ATTR_DISK(_type, _id, _block, _off, _len, _next) \
LFSR_ATTR_DISK_(LFSR_TAG_##_type, _id, _block, _off, _len, _next)
#define LFSR_ATTR_IF_(_pred, _tag, _id, _buf, _len, _next) \
LFSR_ATTR_( \ LFSR_ATTR_( \
(_pred) ? (_tag) : LFSR_TAG_UNR, \ (_pred) ? (_tag) : LFSR_TAG_UNR, \
_id, \ _id, \
(_pred) ? (_delta) : 0, \
_buf, \ _buf, \
(_pred) ? (_len) : 0, \ (_pred) ? (_len) : 0, \
_next) _next)
#define LFSR_ATTR_IF(_pred, _type, _id, _buf, _len, _next) \ #define LFSR_ATTR_IF(_pred, _type, _id, _delta, _buf, _len, _next) \
LFSR_ATTR_IF_(_pred, LFSR_TAG_##_type, _id, _buf, _len, _next) LFSR_ATTR_IF_(_pred, LFSR_TAG_##_type, _id, _delta, _buf, _len, _next)
#define LFSR_ATTR_DISK_IF_(_pred, _tag, _id, _block, _off, _len, _next) \ #define LFSR_ATTR_DISK_IF_(_pred, \
_tag, _id, _delta, _block, _off, _len, _next) \
LFSR_ATTR_DISK_( \ LFSR_ATTR_DISK_( \
(_pred) ? (_tag) : LFSR_TAG_UNR, \ (_pred) ? (_tag) : LFSR_TAG_NOOP, \
_id, \ _id, \
(_pred) ? (_delta) : 0, \
_block, \ _block, \
_off, \ _off, \
(_pred) ? (_len) : 0, \ (_pred) ? (_len) : 0, \
_next) _next)
#define LFSR_ATTR_DISK_IF(_pred, _type, _id, _block, _off, _len, _next) \ #define LFSR_ATTR_DISK_IF(_pred, \
LFSR_ATTR_DISK_IF_(_pred, LFSR_TAG_##_type, _id, _block, _off, _len, _next) _type, _id, _delta, _block, _off, _len, _next) \
LFSR_ATTR_DISK_IF_(_pred, \
LFSR_TAG_##_type, _id, _delta, _block, _off, _len, _next)
struct lfsr_attr_from { struct lfsr_attr_from {
const lfsr_rbyd_t *rbyd; const lfsr_rbyd_t *rbyd;
@@ -2451,38 +2410,6 @@ leaf:;
return 0; return 0;
} }
// TODO remove this wrapper
static int lfsr_rbyd_append_(lfs_t *lfs, lfsr_rbyd_t *rbyd,
lfsr_tag_t tag, lfs_ssize_t id, lfsr_data_t data) {
if (tag == LFSR_TAG_GROW) {
int err = lfsr_rbyd_append(lfs, rbyd,
LFSR_TAG_UNR, id,
+lfsr_data_len(data), LFSR_DATA_NULL);
if (err) {
return err;
}
return 0;
} else if (tag == LFSR_TAG_SHRINK) {
int err = lfsr_rbyd_append(lfs, rbyd,
LFSR_TAG_UNR, id,
-lfsr_data_len(data), LFSR_DATA_NULL);
if (err) {
return err;
}
return 0;
} else {
int err = lfsr_rbyd_append(lfs, rbyd,
tag, id, 0, data);
if (err) {
return err;
}
return 0;
}
}
static int lfsr_rbyd_commit(lfs_t *lfs, lfsr_rbyd_t *rbyd, static int lfsr_rbyd_commit(lfs_t *lfs, lfsr_rbyd_t *rbyd,
const struct lfsr_attr *attrs) { const struct lfsr_attr *attrs) {
// we can't do anything if we're not erased // we can't do anything if we're not erased
@@ -2508,19 +2435,10 @@ static int lfsr_rbyd_commit(lfs_t *lfs, lfsr_rbyd_t *rbyd,
// append each tag to the tree // append each tag to the tree
for (const struct lfsr_attr *attr = attrs; attr; attr = attr->next) { for (const struct lfsr_attr *attr = attrs; attr; attr = attr->next) {
// TODO rm this int err = lfsr_rbyd_append(lfs, &rbyd_,
if (attr->delta == 0) { attr->tag, attr->id, attr->delta, attr->data);
int err = lfsr_rbyd_append_(lfs, &rbyd_, if (err) {
attr->tag, attr->id, attr->data); return err;
if (err) {
return err;
}
} else {
int err = lfsr_rbyd_append(lfs, &rbyd_,
attr->tag, attr->id, attr->delta, attr->data);
if (err) {
return err;
}
} }
} }
@@ -3128,14 +3046,14 @@ static int lfsr_btree_commit(lfs_t *lfs,
// note that since we defer merges to compaction time, we can // note that since we defer merges to compaction time, we can
// end up removing an rbyd here // end up removing an rbyd here
if (rbyd->weight == 0) { if (rbyd->weight == 0) {
scratch_attrs[0] = *LFSD_ATTR( scratch_attrs[0] = *LFSR_ATTR(
MKUNR, rid, +rbyd->weight-rweight, scratch_buf1, delta, MKUNR, rid, +rbyd->weight-rweight, scratch_buf1, delta,
NULL); NULL);
} else { } else {
scratch_attrs[0] = *LFSD_ATTR( scratch_attrs[0] = *LFSR_ATTR(
BRANCH, rid, 0, scratch_buf1, delta, BRANCH, rid, 0, scratch_buf1, delta,
&scratch_attrs[1]); &scratch_attrs[1]);
scratch_attrs[1] = *LFSD_ATTR( scratch_attrs[1] = *LFSR_ATTR(
UNR, rid, +rbyd->weight-rweight, NULL, 0, UNR, rid, +rbyd->weight-rweight, NULL, 0,
NULL); NULL);
} }
@@ -3170,19 +3088,6 @@ static int lfsr_btree_commit(lfs_t *lfs,
break; break;
} }
// // TODO this is really wasteful and throws off our predicted
// // size, can we combine grows into the tag append in the rbyd
// // somehow?
// // create grows as necessary
// err = lfsr_rbyd_append_(lfs, &rbyd_,
// LFSR_TAG_GROW,
// id - (weight-1),
// // TODO also this is a weird way to use lfsr_data_t
// LFSR_DATA_BUF(NULL, weight));
// if (err) {
// return err;
// }
// Because it makes a lot of the split-sensitive cross-id operations // Because it makes a lot of the split-sensitive cross-id operations
// easier, we can end up with an occasional "vestigial" name tag on // easier, we can end up with an occasional "vestigial" name tag on
// the first id in a block. We make sure to ignore these during // the first id in a block. We make sure to ignore these during
@@ -3260,14 +3165,14 @@ static int lfsr_btree_commit(lfs_t *lfs,
// note that since we defer merges to compaction time, we can // note that since we defer merges to compaction time, we can
// end up removing an rbyd here // end up removing an rbyd here
if (rbyd_.weight == 0) { if (rbyd_.weight == 0) {
scratch_attrs[0] = *LFSD_ATTR( scratch_attrs[0] = *LFSR_ATTR(
MKUNR, rid, +rbyd_.weight-rweight, scratch_buf1, delta, MKUNR, rid, +rbyd_.weight-rweight, scratch_buf1, delta,
NULL); NULL);
} else { } else {
scratch_attrs[0] = *LFSD_ATTR( scratch_attrs[0] = *LFSR_ATTR(
BRANCH, rid, 0, scratch_buf1, delta, BRANCH, rid, 0, scratch_buf1, delta,
&scratch_attrs[1]); &scratch_attrs[1]);
scratch_attrs[1] = *LFSD_ATTR( scratch_attrs[1] = *LFSR_ATTR(
UNR, rid, +rbyd_.weight-rweight, NULL, 0, UNR, rid, +rbyd_.weight-rweight, NULL, 0,
NULL); NULL);
} }
@@ -3312,13 +3217,7 @@ static int lfsr_btree_commit(lfs_t *lfs,
// we need to make sure we keep bisect updated with weight changes // we need to make sure we keep bisect updated with weight changes
if (attr->id < bisect_) { if (attr->id < bisect_) {
// TODO do we need to check for mk?
bisect_ += attr->delta; bisect_ += attr->delta;
// if (attr->tag == LFSR_TAG_GROW) {
// bisect_ += attr->data.len;
// } else if (attr->tag == LFSR_TAG_SHRINK) {
// bisect_ -= attr->data.len;
// }
} }
} }
@@ -3353,19 +3252,6 @@ static int lfsr_btree_commit(lfs_t *lfs,
break; break;
} }
// // TODO this is really wasteful and throws off our predicted
// // size, can we combine grows into the tag append in the rbyd
// // somehow?
// // create grows as necessary
// err = lfsr_rbyd_append_(lfs, &sibling,
// LFSR_TAG_GROW,
// id - bisect - (weight-1),
// // TODO also this is a weird way to use lfsr_data_t
// LFSR_DATA_BUF(NULL, weight));
// if (err) {
// return err;
// }
// append the attr // append the attr
err = lfsr_rbyd_append(lfs, &sibling, err = lfsr_rbyd_append(lfs, &sibling,
lfsr_tag_setmk(tag), lfsr_tag_setmk(tag),
@@ -3391,13 +3277,7 @@ static int lfsr_btree_commit(lfs_t *lfs,
// we need to make sure we keep bisect updated with weight changes // we need to make sure we keep bisect updated with weight changes
if (attr->id < bisect_) { if (attr->id < bisect_) {
// TODO do we need to check for mk?
bisect_ += attr->delta; bisect_ += attr->delta;
// if (attr->tag == LFSR_TAG_GROW) {
// bisect_ += attr->data.len;
// } else if (attr->tag == LFSR_TAG_SHRINK) {
// bisect_ -= attr->data.len;
// }
} }
} }
@@ -3445,21 +3325,21 @@ static int lfsr_btree_commit(lfs_t *lfs,
return delta2; return delta2;
} }
scratch_attrs[0] = *LFSD_ATTR( scratch_attrs[0] = *LFSR_ATTR(
MKBRANCH, 0, +rbyd_.weight, scratch_buf1, delta1, MKBRANCH, 0, +rbyd_.weight, scratch_buf1, delta1,
&scratch_attrs[1]); &scratch_attrs[1]);
if (lfsr_tag_suptype(stag) == LFSR_TAG_NAME) { if (lfsr_tag_suptype(stag) == LFSR_TAG_NAME) {
scratch_attrs[1] = *LFSD_ATTR_DISK( scratch_attrs[1] = *LFSR_ATTR_DISK(
MKBNAME, rbyd_.weight, +sibling.weight, MKBNAME, rbyd_.weight, +sibling.weight,
sibling.block, soff, ssize, sibling.block, soff, ssize,
&scratch_attrs[2]); &scratch_attrs[2]);
scratch_attrs[2] = *LFSD_ATTR( scratch_attrs[2] = *LFSR_ATTR(
BRANCH, 0+rbyd_.weight+sibling.weight-1, 0, BRANCH, 0+rbyd_.weight+sibling.weight-1, 0,
scratch_buf2, delta2, scratch_buf2, delta2,
NULL); NULL);
} else { } else {
scratch_attrs[1] = *LFSD_ATTR( scratch_attrs[1] = *LFSR_ATTR(
MKBRANCH, 0+rbyd_.weight, +sibling.weight, MKBRANCH, 0+rbyd_.weight, +sibling.weight,
scratch_buf2, delta2, scratch_buf2, delta2,
NULL); NULL);
@@ -3483,27 +3363,27 @@ static int lfsr_btree_commit(lfs_t *lfs,
return delta2; return delta2;
} }
scratch_attrs[0] = *LFSD_ATTR( scratch_attrs[0] = *LFSR_ATTR(
UNR, rid, +rbyd_.weight-rweight, NULL, 0, UNR, rid, +rbyd_.weight-rweight, NULL, 0,
&scratch_attrs[1]); &scratch_attrs[1]);
scratch_attrs[1] = *LFSD_ATTR( scratch_attrs[1] = *LFSR_ATTR(
BRANCH, rid-(rweight-1)+rbyd_.weight-1, 0, BRANCH, rid-(rweight-1)+rbyd_.weight-1, 0,
scratch_buf1, delta1, scratch_buf1, delta1,
&scratch_attrs[2]); &scratch_attrs[2]);
if (lfsr_tag_suptype(stag) == LFSR_TAG_NAME) { if (lfsr_tag_suptype(stag) == LFSR_TAG_NAME) {
scratch_attrs[2] = *LFSD_ATTR_DISK( scratch_attrs[2] = *LFSR_ATTR_DISK(
MKBNAME, rid-(rweight-1)+rbyd_.weight, MKBNAME, rid-(rweight-1)+rbyd_.weight,
+sibling.weight, +sibling.weight,
sibling.block, soff, ssize, sibling.block, soff, ssize,
&scratch_attrs[3]); &scratch_attrs[3]);
scratch_attrs[3] = *LFSD_ATTR( scratch_attrs[3] = *LFSR_ATTR(
BRANCH, rid-(rweight-1)+rbyd_.weight+sibling.weight-1, BRANCH, rid-(rweight-1)+rbyd_.weight+sibling.weight-1,
0, 0,
scratch_buf2, delta2, scratch_buf2, delta2,
NULL); NULL);
} else { } else {
scratch_attrs[2] = *LFSD_ATTR( scratch_attrs[2] = *LFSR_ATTR(
MKBRANCH, rid-(rweight-1)+rbyd_.weight, MKBRANCH, rid-(rweight-1)+rbyd_.weight,
+sibling.weight, +sibling.weight,
scratch_buf2, delta2, scratch_buf2, delta2,
@@ -3589,19 +3469,6 @@ static int lfsr_btree_commit(lfs_t *lfs,
break; break;
} }
// // TODO this is really wasteful and throws off our predicted
// // size, can we combine grows into the tag append in the rbyd
// // somehow?
// // create grows as necessary
// err = lfsr_rbyd_append_(lfs, &rbyd_,
// LFSR_TAG_GROW,
// sdelta + id - (weight-1),
// // TODO also this is a weird way to use lfsr_data_t
// LFSR_DATA_BUF(NULL, weight));
// if (err) {
// return err;
// }
// append the attr // append the attr
err = lfsr_rbyd_append(lfs, &rbyd_, err = lfsr_rbyd_append(lfs, &rbyd_,
lfsr_tag_setmk(tag), lfsr_tag_setmk(tag),
@@ -3687,13 +3554,13 @@ static int lfsr_btree_commit(lfs_t *lfs,
lfs_swap32(&rweight, &sweight); lfs_swap32(&rweight, &sweight);
} }
scratch_attrs[0] = *LFSD_ATTR( scratch_attrs[0] = *LFSR_ATTR(
MKUNR, sid, -sweight, NULL, 0, MKUNR, sid, -sweight, NULL, 0,
&scratch_attrs[1]); &scratch_attrs[1]);
scratch_attrs[1] = *LFSD_ATTR( scratch_attrs[1] = *LFSR_ATTR(
BRANCH, rid, 0, scratch_buf1, delta1, BRANCH, rid, 0, scratch_buf1, delta1,
&scratch_attrs[2]); &scratch_attrs[2]);
scratch_attrs[2] = *LFSD_ATTR( scratch_attrs[2] = *LFSR_ATTR(
UNR, rid, +rbyd_.weight-rweight, NULL, 0, UNR, rid, +rbyd_.weight-rweight, NULL, 0,
NULL); NULL);
} }
@@ -3737,10 +3604,10 @@ static int lfsr_btree_push(lfs_t *lfs, lfsr_btree_t *btree,
// commit our entries // commit our entries
err = lfsr_rbyd_commit(lfs, &rbyd, err = lfsr_rbyd_commit(lfs, &rbyd,
LFSD_ATTR_( LFSR_ATTR_(
lfsr_tag_setmk(btree->tag), 0, +btree->weight, lfsr_tag_setmk(btree->tag), 0, +btree->weight,
btree->u.inlined.buf, btree->u.inlined.size, btree->u.inlined.buf, btree->u.inlined.size,
LFSD_ATTR_( LFSR_ATTR_(
lfsr_tag_setmk(tag), id, +weight, lfsr_tag_setmk(tag), id, +weight,
buffer, size, buffer, size,
NULL))); NULL)));
@@ -3778,7 +3645,7 @@ static int lfsr_btree_push(lfs_t *lfs, lfsr_btree_t *btree,
// of the rest // of the rest
return lfsr_btree_commit(lfs, btree, return lfsr_btree_commit(lfs, btree,
lfs_min32(id, btree->weight-1), &rbyd, lfs_min32(id, btree->weight-1), &rbyd,
LFSD_ATTR_(lfsr_tag_setmk(tag), rid, +weight, buffer, size, LFSR_ATTR_(lfsr_tag_setmk(tag), rid, +weight, buffer, size,
NULL)); NULL));
} }
} }
@@ -3816,10 +3683,10 @@ static int lfsr_btree_update(lfs_t *lfs, lfsr_btree_t *btree,
// commit our id into the tree, letting lfsr_btree_commit take care // commit our id into the tree, letting lfsr_btree_commit take care
// of the rest // of the rest
return lfsr_btree_commit(lfs, btree, id, &rbyd, return lfsr_btree_commit(lfs, btree, id, &rbyd,
LFSD_ATTR_IF_(tag != rtag, LFSR_ATTR_IF_(tag != rtag,
lfsr_tag_setrm(rtag), rid, 0, NULL, 0, lfsr_tag_setrm(rtag), rid, 0, NULL, 0,
LFSD_ATTR_(tag, rid, 0, buffer, size, LFSR_ATTR_(tag, rid, 0, buffer, size,
LFSD_ATTR(UNR, rid, +weight-rweight, NULL, 0, LFSR_ATTR(UNR, rid, +weight-rweight, NULL, 0,
NULL)))); NULL))));
} }
} }
@@ -3907,7 +3774,7 @@ static int lfsr_btree_pop(lfs_t *lfs, lfsr_btree_t *btree, lfs_size_t id) {
// remove our id, letting lfsr_btree_commit take care // remove our id, letting lfsr_btree_commit take care
// of the rest // of the rest
return lfsr_btree_commit(lfs, btree, id, &rbyd, return lfsr_btree_commit(lfs, btree, id, &rbyd,
LFSD_ATTR(MKUNR, rid, -rweight, NULL, 0, LFSR_ATTR(MKUNR, rid, -rweight, NULL, 0,
NULL)); NULL));
} }
} }
@@ -3937,11 +3804,11 @@ static int lfsr_btree_split(lfs_t *lfs, lfsr_btree_t *btree,
// commit our entries // commit our entries
err = lfsr_rbyd_commit(lfs, &rbyd, err = lfsr_rbyd_commit(lfs, &rbyd,
LFSD_ATTR_(lfsr_tag_setmk(tag1), 0, +weight1, LFSR_ATTR_(lfsr_tag_setmk(tag1), 0, +weight1,
buffer1, size1, buffer1, size1,
LFSD_ATTR(MKBNAME, weight1, +weight2, LFSR_ATTR(MKBNAME, weight1, +weight2,
name, name_len, name, name_len,
LFSD_ATTR_(tag2, weight1+weight2-1, 0, LFSR_ATTR_(tag2, weight1+weight2-1, 0,
buffer2, size2, buffer2, size2,
NULL)))); NULL))));
if (err) { if (err) {
@@ -3979,13 +3846,13 @@ static int lfsr_btree_split(lfs_t *lfs, lfsr_btree_t *btree,
// commit our id into the tree, letting lfsr_btree_commit take care // commit our id into the tree, letting lfsr_btree_commit take care
// of the rest // of the rest
return lfsr_btree_commit(lfs, btree, id, &rbyd, return lfsr_btree_commit(lfs, btree, id, &rbyd,
LFSD_ATTR(UNR, rid, +weight1-rweight, NULL, 0, LFSR_ATTR(UNR, rid, +weight1-rweight, NULL, 0,
LFSD_ATTR_(tag1, rid-(rweight-1)+weight1-1, 0, LFSR_ATTR_(tag1, rid-(rweight-1)+weight1-1, 0,
buffer1, size1, buffer1, size1,
// TODO should we always be making name entries? // TODO should we always be making name entries?
LFSD_ATTR(MKBNAME, rid-(rweight-1)+weight1, +weight2, LFSR_ATTR(MKBNAME, rid-(rweight-1)+weight1, +weight2,
name, name_len, name, name_len,
LFSD_ATTR_(tag2, rid-(rweight-1)+weight1+weight2-1, 0, LFSR_ATTR_(tag2, rid-(rweight-1)+weight1+weight2-1, 0,
buffer2, size2, buffer2, size2,
NULL))))); NULL)))));
} }
tests/test_rbyd.toml
+584 -584
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