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diff.c
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/* $Id$ */
/*
* Copyright (c) 2020 Kristaps Dzonsons <kristaps@bsd.lv>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "config.h"
#if HAVE_SYS_QUEUE
# include <sys/queue.h>
#endif
#include <assert.h>
#include <inttypes.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "ort.h"
static struct diff *
diff_alloc(struct diffq *q, enum difftype type)
{
struct diff *d;
if ((d = calloc(1, sizeof(struct diff))) == NULL)
return NULL;
TAILQ_INSERT_TAIL(q, d, entries);
d->type = type;
return d;
}
/*
* See if the rolemap exists and has the same top-level roles.
* Return zero if dissimilar, non-zero if similar.
*/
static int
ort_check_rolemap_roles(const struct rolemap *from,
const struct rolemap *into)
{
const struct rref *rinto, *rfrom;
size_t fromsz = 0, intosz = 0;
if (from == NULL && into == NULL)
return 1;
if ((from != NULL && into == NULL) ||
(from == NULL && into != NULL))
return 0;
TAILQ_FOREACH(rfrom, &from->rq, entries)
fromsz++;
TAILQ_FOREACH(rinto, &into->rq, entries)
intosz++;
if (fromsz != intosz)
return 0;
TAILQ_FOREACH(rfrom, &from->rq, entries) {
TAILQ_FOREACH(rinto, &into->rq, entries)
if (strcasecmp
(rinto->role->name, rfrom->role->name) == 0)
break;
if (rinto == NULL)
return 0;
}
return 1;
}
/*
* Make sure that the queue of labels contains the same data.
* Return zero if dissimilar, non-zero if similar.
*/
static int
ort_check_labels(const struct labelq *from, const struct labelq *into)
{
size_t fromsz = 0, intosz = 0;
const struct label *linto, *lfrom;
assert(from != NULL);
assert(into != NULL);
TAILQ_FOREACH(lfrom, from, entries)
fromsz++;
TAILQ_FOREACH(linto, into, entries)
intosz++;
if (fromsz != intosz)
return 0;
TAILQ_FOREACH(lfrom, from, entries) {
TAILQ_FOREACH(linto, into, entries) {
if (linto->lang != lfrom->lang)
continue;
if (strcmp(linto->label, lfrom->label))
continue;
break;
}
if (linto == NULL)
return 0;
}
return 1;
}
/*
* See if two urefs are the same.
* No need to check field->parent, as we know we're in the same struct.
* Return zero on dissimilar, non-zero on similar.
*/
static int
ort_check_urefs(const struct uref *from, const struct uref *into)
{
if (strcasecmp(from->field->name, into->field->name) ||
from->op != into->op ||
from->mod != into->mod)
return 0;
return 1;
}
/*
* Make sure that validations queues contain the same constraints.
* If the fields have changed type, then the queues are considered
* different if non-empty.
* Return zero if dissimilar, non-zero if similar.
*/
static int
ort_check_fvalids(const struct field *fdfrom, const struct field *fdinto)
{
const struct fvalid *finto, *ffrom;
const struct fvalidq *from, *into;
size_t intosz = 0, fromsz = 0;
assert(fdfrom != NULL);
from = &fdfrom->fvq;
assert(fdinto != NULL);
into = &fdinto->fvq;
TAILQ_FOREACH(finto, into, entries)
intosz++;
TAILQ_FOREACH(ffrom, from, entries)
fromsz++;
if (intosz != fromsz)
return 0;
if (fdfrom->type != fdinto->type && intosz > 0)
return 0;
TAILQ_FOREACH(ffrom, from, entries) {
TAILQ_FOREACH(finto, into, entries) {
if (ffrom->type != finto->type)
continue;
switch (fdfrom->type) {
case FTYPE_BIT:
case FTYPE_BITFIELD:
case FTYPE_DATE:
case FTYPE_EPOCH:
case FTYPE_INT:
if (ffrom->d.value.integer !=
finto->d.value.integer)
continue;
break;
case FTYPE_REAL:
if (ffrom->d.value.decimal !=
finto->d.value.decimal)
continue;
break;
case FTYPE_BLOB:
case FTYPE_EMAIL:
case FTYPE_TEXT:
case FTYPE_PASSWORD:
if (ffrom->d.value.len !=
finto->d.value.len)
continue;
break;
default:
abort();
}
break;
}
if (finto == NULL)
return 0;
}
return 1;
}
/*
* Check if two comments are the same (both empty or both with same
* string contents).
* Return zero if dissimilar, non-zero if similar.
*/
static int
ort_check_comment(const char *from, const char *into)
{
if (from != NULL && into != NULL)
return strcmp(from, into) == 0;
return from == NULL && into == NULL;
}
/*
* Return <0 on failure, 0 if the same, >0 if modified.
*/
static int
ort_diff_bitidx(struct diffq *q,
const struct bitidx *ifrom, const struct bitidx *iinto)
{
struct diff *d;
enum difftype type = DIFF_SAME_BITIDX;
assert(iinto != NULL);
if (ifrom == NULL) {
if ((d = diff_alloc(q, DIFF_ADD_BITIDX)) == NULL)
return -1;
d->bitidx = iinto;
return 1;
}
assert(strcasecmp(ifrom->name, iinto->name) == 0);
if (ifrom->value != iinto->value) {
if ((d = diff_alloc(q, DIFF_MOD_BITIDX_VALUE)) == NULL)
return -1;
d->bitidx_pair.from = ifrom;
d->bitidx_pair.into = iinto;
type = DIFF_MOD_BITIDX;
}
if (!ort_check_labels(&ifrom->labels, &iinto->labels)) {
if ((d = diff_alloc(q, DIFF_MOD_BITIDX_LABELS)) == NULL)
return -1;
d->bitidx_pair.from = ifrom;
d->bitidx_pair.into = iinto;
type = DIFF_MOD_BITIDX;
}
if (!ort_check_comment(ifrom->doc, iinto->doc)) {
if ((d = diff_alloc(q, DIFF_MOD_BITIDX_COMMENT)) == NULL)
return -1;
d->bitidx_pair.from = ifrom;
d->bitidx_pair.into = iinto;
type = DIFF_MOD_BITIDX;
}
if ((d = diff_alloc(q, type)) == NULL)
return -1;
d->bitidx_pair.from = ifrom;
d->bitidx_pair.into = iinto;
return type == DIFF_SAME_BITIDX ? 0 : 1;
}
/*
* Emits DIFF_MOD_FIELD with depending DIFF_MOD_FIELD_xxxx or
* DIFF_SAME_FIELD.
* Return <0 on failure, 0 if the same, >0 if modified.
*/
static int
ort_diff_field(struct diffq *q,
const struct field *ifrom, const struct field *iinto)
{
struct diff *d;
int diff, rc = 1;
assert(iinto != NULL);
assert(ifrom != NULL);
assert(strcasecmp(ifrom->name, iinto->name) == 0);
if (!ort_check_rolemap_roles(ifrom->rolemap, iinto->rolemap)) {
if ((d = diff_alloc(q, DIFF_MOD_FIELD_ROLEMAP)) == NULL)
return -1;
d->field_pair.from = ifrom;
d->field_pair.into = iinto;
rc = 0;
}
if (ifrom->type != iinto->type) {
if ((d = diff_alloc(q, DIFF_MOD_FIELD_TYPE)) == NULL)
return -1;
d->field_pair.from = ifrom;
d->field_pair.into = iinto;
rc = 0;
}
if (ifrom->actdel != iinto->actdel ||
ifrom->actup != iinto->actup) {
if ((d = diff_alloc(q, DIFF_MOD_FIELD_ACTIONS)) == NULL)
return -1;
d->field_pair.from = ifrom;
d->field_pair.into = iinto;
rc = 0;
}
if (ifrom->flags != iinto->flags) {
if ((d = diff_alloc(q, DIFF_MOD_FIELD_FLAGS)) == NULL)
return -1;
d->field_pair.from = ifrom;
d->field_pair.into = iinto;
rc = 0;
}
if (ifrom->bitf != NULL && iinto->bitf != NULL &&
strcasecmp(ifrom->bitf->name, iinto->bitf->name)) {
d = diff_alloc(q, DIFF_MOD_FIELD_BITF);
if (d == NULL)
return -1;
d->field_pair.from = ifrom;
d->field_pair.into = iinto;
rc = 0;
}
if (ifrom->enm != NULL && iinto->enm != NULL &&
strcasecmp(ifrom->enm->name, iinto->enm->name)) {
d = diff_alloc(q, DIFF_MOD_FIELD_ENM);
if (d == NULL)
return -1;
d->field_pair.from = ifrom;
d->field_pair.into = iinto;
rc = 0;
}
/* Only raise this if we already have defaults in both. */
if ((ifrom->flags & FIELD_HASDEF) &&
(iinto->flags & FIELD_HASDEF) &&
ifrom->type == iinto->type) {
diff = 1;
switch (ifrom->type) {
case FTYPE_BIT:
case FTYPE_BITFIELD:
case FTYPE_DATE:
case FTYPE_EPOCH:
case FTYPE_INT:
diff = ifrom->def.integer !=
iinto->def.integer;
break;
case FTYPE_REAL:
diff = ifrom->def.decimal !=
iinto->def.decimal;
break;
case FTYPE_EMAIL:
case FTYPE_TEXT:
diff = strcmp(ifrom->def.string,
iinto->def.string) != 0;
break;
case FTYPE_ENUM:
diff = strcasecmp
(ifrom->def.eitem->parent->name,
iinto->def.eitem->parent->name) != 0 ||
strcasecmp
(ifrom->def.eitem->name,
iinto->def.eitem->name) != 0;
break;
default:
abort();
}
if (diff) {
d = diff_alloc(q, DIFF_MOD_FIELD_DEF);
if (d == NULL)
return -1;
d->field_pair.from = ifrom;
d->field_pair.into = iinto;
rc = 0;
}
}
/*
* Foreign or local references changing can be either that we
* have or lost a referenence, or either the source or target of
* the reference (by name) have changed.
*/
if ((ifrom->ref != NULL && iinto->ref == NULL) ||
(ifrom->ref == NULL && iinto->ref != NULL) ||
(ifrom->ref != NULL && iinto->ref != NULL &&
(strcasecmp(ifrom->ref->source->parent->name,
iinto->ref->source->parent->name) != 0 ||
strcasecmp(ifrom->ref->source->name,
iinto->ref->source->name) != 0 ||
strcasecmp(ifrom->ref->target->parent->name,
iinto->ref->target->parent->name) != 0 ||
strcasecmp(ifrom->ref->target->name,
iinto->ref->target->name) != 0))) {
d = diff_alloc(q, DIFF_MOD_FIELD_REFERENCE);
if (d == NULL)
return -1;
d->field_pair.from = ifrom;
d->field_pair.into = iinto;
rc = 0;
}
if (!ort_check_fvalids(ifrom, iinto)) {
if ((d = diff_alloc(q, DIFF_MOD_FIELD_VALIDS)) == NULL)
return -1;
d->field_pair.from = ifrom;
d->field_pair.into = iinto;
rc = 0;
}
if (!ort_check_comment(ifrom->doc, iinto->doc)) {
if ((d = diff_alloc(q, DIFF_MOD_FIELD_COMMENT)) == NULL)
return -1;
d->field_pair.from = ifrom;
d->field_pair.into = iinto;
rc = 0;
}
d = diff_alloc(q, rc ? DIFF_SAME_FIELD : DIFF_MOD_FIELD);
if (d == NULL)
return -1;
d->field_pair.from = ifrom;
d->field_pair.into = iinto;
return rc;
}
/*
* Return <0 on failure, 0 if the same, >0 if modified.
*/
static int
ort_diff_eitem(struct diffq *q,
const struct eitem *ifrom, const struct eitem *iinto)
{
struct diff *d;
enum difftype type = DIFF_SAME_EITEM;
assert(iinto != NULL);
if (ifrom == NULL) {
if ((d = diff_alloc(q, DIFF_ADD_EITEM)) == NULL)
return -1;
d->eitem = iinto;
return 1;
}
assert(strcasecmp(ifrom->name, iinto->name) == 0);
if (ifrom->value != iinto->value) {
if ((d = diff_alloc(q, DIFF_MOD_EITEM_VALUE)) == NULL)
return -1;
d->eitem_pair.from = ifrom;
d->eitem_pair.into = iinto;
type = DIFF_MOD_EITEM;
}
if (!ort_check_comment(ifrom->doc, iinto->doc)) {
if ((d = diff_alloc(q, DIFF_MOD_EITEM_COMMENT)) == NULL)
return -1;
d->eitem_pair.from = ifrom;
d->eitem_pair.into = iinto;
type = DIFF_MOD_EITEM;
}
if (!ort_check_labels(&ifrom->labels, &iinto->labels)) {
if ((d = diff_alloc(q, DIFF_MOD_EITEM_LABELS)) == NULL)
return -1;
d->eitem_pair.from = ifrom;
d->eitem_pair.into = iinto;
type = DIFF_MOD_EITEM;
}
if ((d = diff_alloc(q, type)) == NULL)
return -1;
d->eitem_pair.from = ifrom;
d->eitem_pair.into = iinto;
return type == DIFF_SAME_EITEM ? 0 : 1;
}
/*
* Return zero on failure, non-zero on success.
*/
static int
ort_diff_bitf(struct diffq *q,
const struct bitf *efrom, const struct bitf *einto)
{
const struct bitidx *ifrom, *iinto;
struct diff *d;
enum difftype type = DIFF_SAME_BITF;
int rc;
/*
* Look at new indices, see if they exist in the old. If they
* do, then check them for sameness.
*/
TAILQ_FOREACH(iinto, &einto->bq, entries) {
TAILQ_FOREACH(ifrom, &efrom->bq, entries)
if (strcasecmp(iinto->name, ifrom->name) == 0)
break;
if ((rc = ort_diff_bitidx(q, ifrom, iinto)) < 0)
return 0;
else if (rc > 0)
type = DIFF_MOD_BITF;
}
/* Look at old indices no longer in the new. */
TAILQ_FOREACH(ifrom, &efrom->bq, entries) {
TAILQ_FOREACH(iinto, &einto->bq, entries)
if (strcasecmp(iinto->name, ifrom->name) == 0)
break;
if (iinto == NULL) {
if ((d = diff_alloc(q, DIFF_DEL_BITIDX)) == NULL)
return 0;
d->bitidx = ifrom;
type = DIFF_MOD_BITF;
}
}
if (!ort_check_comment(efrom->doc, einto->doc)) {
d = diff_alloc(q, DIFF_MOD_BITF_COMMENT);
if (d == NULL)
return 0;
d->bitf_pair.from = efrom;
d->bitf_pair.into = einto;
type = DIFF_MOD_BITF;
}
if (!ort_check_labels
(&efrom->labels_unset, &einto->labels_unset) ||
!ort_check_labels
(&efrom->labels_null, &einto->labels_null)) {
d = diff_alloc(q, DIFF_MOD_BITF_LABELS);
if (d == NULL)
return 0;
d->bitf_pair.from = efrom;
d->bitf_pair.into = einto;
type = DIFF_MOD_BITF;
}
/* Encompassing check. */
if ((d = diff_alloc(q, type)) == NULL)
return 0;
d->bitf_pair.from = efrom;
d->bitf_pair.into = einto;
return 1;
}
/*
* See if "os" contains the unique entry "u".
* Return zero on failure, non-zero on success.
*/
static int
ort_has_unique(struct diffq *q,
const struct unique *u, const struct strct *os)
{
const struct unique *ou;
const struct nref *nf, *onf;
size_t sz = 0, osz;
TAILQ_FOREACH(nf, &u->nq, entries)
sz++;
TAILQ_FOREACH(ou, &os->nq, entries) {
TAILQ_FOREACH(nf, &u->nq, entries) {
osz = 0;
TAILQ_FOREACH(onf, &ou->nq, entries)
osz++;
if (osz != sz)
break;
TAILQ_FOREACH(onf, &ou->nq, entries)
if (strcasecmp(onf->field->name,
nf->field->name) == 0)
break;
if (onf == NULL)
break;
}
if (nf == NULL)
return 1;
}
return 0;
}
/*
* Order-preserving check for updateq. Emits DIFF_MOD_UPDATE_PARAMS if
* "q" is not NULL.
* Return <0 on failure, 0 on dissimilar, >0 on similar.
*/
static int
ort_diff_urefq(struct diffq *q,
const struct update *from, const struct update *into,
const struct urefq *fromq, const struct urefq *intoq)
{
const struct uref *fref, *iref;
struct diff *d;
int rc = 1;
iref = TAILQ_FIRST(intoq);
TAILQ_FOREACH(fref, fromq, entries) {
if (iref == NULL || !ort_check_urefs(iref, fref)) {
rc = 0;
break;
}
iref = TAILQ_NEXT(iref, entries);
}
if (rc == 1 && (iref != NULL || iref != fref))
rc = 0;
if (rc == 0 && q != NULL) {
d = diff_alloc(q, DIFF_MOD_UPDATE_PARAMS);
if (d == NULL)
return -1;
d->update_pair.from = from;
d->update_pair.into = into;
}
return rc;
}
/*
* If "q" is non-NULL, emit modification diffs; otherwise, this just
* checks whether the update clauses are the same.
* Return <0 on failure, 0 on dissimilar, >0 on similar.
*/
static int
ort_diff_update(struct diffq *q,
const struct update *from, const struct update *into)
{
struct diff *d;
int rc = 1, c;
/* Both mrq and crq must be order-preserving and similar. */
c = ort_diff_urefq(q, from, into, &from->mrq, &into->mrq);
if (c < 0)
return -1;
else if (c == 0)
rc = 0;
c = ort_diff_urefq(q, from, into, &from->crq, &into->crq);
if (c < 0)
return -1;
else if (c == 0)
rc = 0;
/* Comments. */
if (!ort_check_comment(from->doc, into->doc)) {
if (q != NULL) {
d = diff_alloc(q, DIFF_MOD_UPDATE_COMMENT);
if (d == NULL)
return -1;
d->update_pair.from = from;
d->update_pair.into = into;
}
rc = 0;
}
/* Rolemap. */
if (!ort_check_rolemap_roles(from->rolemap, into->rolemap)) {
if (q != NULL) {
d = diff_alloc(q, DIFF_MOD_UPDATE_ROLEMAP);
if (d == NULL)
return -1;
d->update_pair.from = from;
d->update_pair.into = into;
}
rc = 0;
}
/* Flags. */
if (from->flags != into->flags) {
if (q != NULL) {
d = diff_alloc(q, DIFF_MOD_UPDATE_FLAGS);
if (d == NULL)
return -1;
d->update_pair.from = from;
d->update_pair.into = into;
}
rc = 0;
}
return rc;
}
/*
* Return >0 on failure, 0 if dissimilar, >0 if similar.
*/
static int
ort_diff_strct_updateq(struct diffq *q,
const struct updateq *fromq, const struct updateq *intoq)
{
const struct update *fdel, *idel;
struct diff *d;
int rc = 1, c;
/*
* Start by scanning for named matches.
* Named can also modify.
*/
TAILQ_FOREACH(fdel, fromq, entries) {
if (fdel->name == NULL)
continue;
TAILQ_FOREACH(idel, intoq, entries)
if (idel->name != NULL &&
strcasecmp(fdel->name, idel->name) == 0)
break;
if (idel == NULL) {
d = diff_alloc(q, DIFF_DEL_UPDATE);
if (d == NULL)
return -1;
d->update = fdel;
rc = 0;
continue;
}
if ((c = ort_diff_update(q, fdel, idel)) < 0)
return -1;
if (c == 0) {
d = diff_alloc(q, DIFF_MOD_UPDATE);
rc = 0;
} else
d = diff_alloc(q, DIFF_SAME_UPDATE);
if (d == NULL)
return -1;
d->update_pair.from = fdel;
d->update_pair.into = idel;
}
TAILQ_FOREACH(idel, intoq, entries) {
if (idel->name == NULL)
continue;
TAILQ_FOREACH(fdel, fromq, entries)
if (fdel->name != NULL &&
strcasecmp(fdel->name, idel->name) == 0)
break;
if (fdel == NULL) {
d = diff_alloc(q, DIFF_ADD_UPDATE);
if (d == NULL)
return -1;
d->update = idel;
rc = 0;
}
}
/*
* Next, check for unnamed matches.
* These can't be modified---only added, deleted, or the same.
*/
TAILQ_FOREACH(fdel, fromq, entries) {
if (fdel->name != NULL)
continue;
TAILQ_FOREACH(idel, intoq, entries)
if (idel->name == NULL &&
ort_diff_update(NULL, fdel, idel) > 0)
break;
if (idel == NULL) {
d = diff_alloc(q, DIFF_DEL_UPDATE);
if (d == NULL)
return -1;
d->update = fdel;
rc = 0;
} else {
d = diff_alloc(q, DIFF_SAME_UPDATE);
if (d == NULL)
return -1;
d->update_pair.from = fdel;
d->update_pair.into = idel;
}
}
TAILQ_FOREACH(idel, intoq, entries) {
if (idel->name != NULL)
continue;
TAILQ_FOREACH(fdel, fromq, entries)
if (fdel->name == NULL &&
ort_diff_update(NULL, fdel, idel) > 0)
break;
if (fdel == NULL) {
d = diff_alloc(q, DIFF_ADD_UPDATE);
if (d == NULL)
return -1;
d->update = idel;
rc = 0;
}
}
return rc;
}
/*
* See if the sentq are the same (must be order-preserving).
* Return zero if not the same, non-zero if the same.
*/
static int
ort_check_sentq(const struct sentq *from, const struct sentq *into)
{
const struct sent *sfrom, *sinto;
sinto = TAILQ_FIRST(into);
TAILQ_FOREACH(sfrom, from, entries) {
if (sinto == NULL ||
sfrom->op != sinto->op ||
strcasecmp(sfrom->fname, sinto->fname))
return 0;
sinto = TAILQ_NEXT(sinto, entries);
}
return sinto == NULL && sinto == sfrom;
}
/*
* Check ordering (must be order-preserving).
* Return zero if not the same, non-zero if the same.
*/
static int
ort_check_ordq(const struct ordq *from, const struct ordq *into)
{
const struct ord *ofrom, *ointo;
ointo = TAILQ_FIRST(into);
TAILQ_FOREACH(ofrom, from, entries) {
if (ointo == NULL ||
ofrom->op != ointo->op ||
strcasecmp(ofrom->fname, ointo->fname))
return 0;
ointo = TAILQ_NEXT(ointo, entries);
}
return ointo == NULL && ointo == ofrom;
}
/*
* Emit DIFF_MOD_SEARCH_xxxx if "q" is not NULL.
* Return <0 on failure, 0 if dissimilar, >0 if similar.
*/
static int
ort_diff_search(struct diffq *q,
const struct search *from, const struct search *into)
{
int rc = 1;
struct diff *d;
assert(from->type == into->type);
if (!ort_check_sentq(&from->sntq, &into->sntq)) {
if (q != NULL) {
d = diff_alloc(q, DIFF_MOD_SEARCH_PARAMS);
if (d == NULL)
return -1;
d->search_pair.from = from;
d->search_pair.into = into;
}
rc = 0;
}
if (!ort_check_ordq(&from->ordq, &into->ordq)) {
if (q != NULL) {
d = diff_alloc(q, DIFF_MOD_SEARCH_ORDER);
if (d == NULL)
return -1;
d->search_pair.from = from;
d->search_pair.into = into;
}
rc = 0;
}
if ((from->aggr != NULL && into->aggr == NULL) ||
(from->aggr == NULL && into->aggr != NULL) ||
(from->aggr != NULL && into->aggr != NULL &&
((from->aggr->op != into->aggr->op) ||
strcasecmp(from->aggr->fname, into->aggr->fname)))) {
if (q != NULL) {
d = diff_alloc(q, DIFF_MOD_SEARCH_AGGR);
if (d == NULL)
return -1;
d->search_pair.from = from;
d->search_pair.into = into;
}
rc = 0;
}
if ((from->group != NULL && into->group == NULL) ||
(from->group == NULL && into->group != NULL) ||
(from->group != NULL && into->group != NULL &&
strcasecmp(from->group->fname, into->group->fname))) {
if (q != NULL) {
d = diff_alloc(q, DIFF_MOD_SEARCH_GROUP);
if (d == NULL)
return -1;
d->search_pair.from = from;
d->search_pair.into = into;
}
rc = 0;
}
if ((from->dst != NULL && into->dst == NULL) ||
(from->dst == NULL && into->dst != NULL) ||
(from->dst != NULL && into->dst != NULL &&
strcasecmp(from->dst->fname, into->dst->fname))) {
if (q != NULL) {
d = diff_alloc(q, DIFF_MOD_SEARCH_DISTINCT);
if (d == NULL)
return -1;
d->search_pair.from = from;
d->search_pair.into = into;
}
rc = 0;
}
if (!ort_check_comment(from->doc, into->doc)) {
if (q != NULL) {
d = diff_alloc(q, DIFF_MOD_SEARCH_COMMENT);
if (d == NULL)
return -1;
d->search_pair.from = from;
d->search_pair.into = into;
}
rc = 0;
}
if (from->limit != into->limit) {
if (q != NULL) {
d = diff_alloc(q, DIFF_MOD_SEARCH_LIMIT);
if (d == NULL)
return -1;
d->search_pair.from = from;
d->search_pair.into = into;
}
rc = 0;
}
if (from->offset != into->offset) {
if (q != NULL) {
d = diff_alloc(q, DIFF_MOD_SEARCH_OFFSET);
if (d == NULL)
return -1;
d->search_pair.from = from;
d->search_pair.into = into;
}
rc = 0;
}
if (!ort_check_rolemap_roles(from->rolemap, into->rolemap)) {
if (q != NULL) {
d = diff_alloc(q, DIFF_MOD_SEARCH_ROLEMAP);
if (d == NULL)
return -1;
d->search_pair.from = from;
d->search_pair.into = into;
}
rc = 0;
}
return rc;
}
/*
* Emit DIFF_ADD_SEARCH or DIFF_DEL_SEARCH, using ort_diff_search() for
* same or mod testing.
* Returns <0 on failure, 0 on dissimilar, >0 on similar.
*/
static int
ort_diff_searchq(struct diffq *q,
const struct strct *from, const struct strct *into)
{
const struct search *sfrom, *sinto;
struct diff *d;
int rc = 1, c;
TAILQ_FOREACH(sfrom, &from->sq, entries) {
if (sfrom->name == NULL)
continue;
TAILQ_FOREACH(sinto, &into->sq, entries)
if (sinto->name != NULL &&
sinto->type == sfrom->type &&
strcasecmp(sinto->name, sfrom->name) == 0)
break;
if (sinto == NULL) {
d = diff_alloc(q, DIFF_DEL_SEARCH);
if (d == NULL)
return -1;
d->search = sfrom;
rc = 0;
continue;
}