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rpmds.c
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/** \ingroup rpmdep
* \file lib/rpmds.c
*/
#include "system.h"
#include <rpm/rpmtypes.h>
#include <rpm/rpmlib.h> /* rpmvercmp */
#include <rpm/rpmstring.h>
#include <rpm/rpmlog.h>
#include <rpm/rpmstrpool.h>
#include "lib/rpmds_internal.h"
#include "debug.h"
int _rpmds_debug = 0;
int _rpmds_nopromote = 1;
/**
* A package dependency set.
*/
struct rpmds_s {
rpmstrPool pool; /*!< String pool. */
const char * Type; /*!< Tag name. */
char * DNEVR; /*!< Formatted dependency string. */
rpmsid * N; /*!< Dependency name id's (pool) */
rpmsid * EVR; /*!< Dependency EVR id's (pool) */
rpmsenseFlags * Flags; /*!< Bit(s) identifying context/comparison. */
rpm_color_t * Color; /*!< Bit(s) calculated from file color(s). */
rpmTagVal tagN; /*!< Header tag. */
int32_t Count; /*!< No. of elements */
unsigned int instance; /*!< From rpmdb instance? */
int i; /*!< Element index. */
int nopromote; /*!< Don't promote Epoch: in rpmdsCompare()? */
int nrefs; /*!< Reference count. */
int *ti; /*!< Trigger index. */
};
struct depinfo_s {
rpmTagVal typeTag;
rpmTagVal evrTag;
rpmTagVal flagTag;
rpmTagVal ixTag;
char *name;
char abrev;
};
static const struct depinfo_s depTypes[] = {
{ RPMTAG_PROVIDENAME, RPMTAG_PROVIDEVERSION,
RPMTAG_PROVIDEFLAGS, 0,
"Provides", 'P',
},
{ RPMTAG_REQUIRENAME, RPMTAG_REQUIREVERSION,
RPMTAG_REQUIREFLAGS, 0,
"Requires", 'R',
},
{ RPMTAG_CONFLICTNAME, RPMTAG_CONFLICTVERSION,
RPMTAG_CONFLICTFLAGS, 0,
"Conflicts", 'C',
},
{ RPMTAG_OBSOLETENAME, RPMTAG_OBSOLETEVERSION,
RPMTAG_OBSOLETEFLAGS, 0,
"Obsoletes", 'O',
},
{ RPMTAG_SUPPLEMENTNAME, RPMTAG_SUPPLEMENTVERSION,
RPMTAG_SUPPLEMENTFLAGS, 0,
"Supplements", 'S',
},
{ RPMTAG_ENHANCENAME, RPMTAG_ENHANCEVERSION,
RPMTAG_ENHANCEFLAGS, 0,
"Enhances", 'e',
},
{ RPMTAG_RECOMMENDNAME, RPMTAG_RECOMMENDVERSION,
RPMTAG_RECOMMENDFLAGS, 0,
"Recommends", 'r',
},
{ RPMTAG_SUGGESTNAME, RPMTAG_SUGGESTVERSION,
RPMTAG_SUGGESTFLAGS, 0,
"Suggests", 's',
},
{ RPMTAG_ORDERNAME, RPMTAG_ORDERVERSION,
RPMTAG_ORDERFLAGS, 0,
"Order", 'o',
},
{ RPMTAG_TRIGGERNAME, RPMTAG_TRIGGERVERSION,
RPMTAG_TRIGGERFLAGS, RPMTAG_TRIGGERINDEX,
"Trigger", 't',
},
{ RPMTAG_FILETRIGGERNAME, RPMTAG_FILETRIGGERVERSION,
RPMTAG_FILETRIGGERFLAGS, RPMTAG_FILETRIGGERINDEX,
"FileTrigger", 'f',
},
{ RPMTAG_TRANSFILETRIGGERNAME, RPMTAG_TRANSFILETRIGGERVERSION,
RPMTAG_TRANSFILETRIGGERFLAGS, RPMTAG_TRANSFILETRIGGERINDEX,
"TransFileTrigger", 'F',
},
{ RPMTAG_OLDSUGGESTSNAME, RPMTAG_OLDSUGGESTSVERSION,
RPMTAG_OLDSUGGESTSFLAGS, 0,
"Oldsuggests", '?',
},
{ RPMTAG_OLDENHANCESNAME, RPMTAG_OLDENHANCESVERSION,
RPMTAG_OLDENHANCESFLAGS, 0,
"Oldenhances", '?',
},
{ 0, 0,
0, 0,
NULL, 0,
}
};
static const struct depinfo_s *depinfoByTag(rpmTagVal tag)
{
for (const struct depinfo_s *dse = depTypes; dse->name; dse++) {
if (tag == dse->typeTag)
return dse;
}
return NULL;
}
static const struct depinfo_s *depinfoByAbrev(char abrev)
{
for (const struct depinfo_s *dse = depTypes; dse->name; dse++) {
if (abrev == dse->abrev)
return dse;
}
return NULL;
}
static int dsType(rpmTagVal tag,
const char ** Type, rpmTagVal * tagEVR, rpmTagVal * tagF,
rpmTagVal * tagTi)
{
const struct depinfo_s *di = depinfoByTag(tag);
if (di) {
if (Type) *Type = di->name;
if (tagEVR) *tagEVR = di->evrTag;
if (tagF) *tagF = di->flagTag;
if (tagTi) *tagTi = di->ixTag;
}
return (di == NULL);
}
static char tagNToChar(rpmTagVal tagN)
{
const struct depinfo_s *di = depinfoByTag(tagN);
return (di != NULL) ? di->abrev : '\0';
}
rpmTagVal rpmdsDToTagN(char deptype)
{
const struct depinfo_s *di = depinfoByAbrev(deptype);
return (di != NULL) ? di->typeTag : RPMTAG_NOT_FOUND;
}
rpmsid rpmdsNIdIndex(rpmds ds, int i)
{
rpmsid id = 0;
if (ds != NULL && i >= 0 && i < ds->Count && ds->N != NULL)
id = ds->N[i];
return id;
}
rpmsid rpmdsEVRIdIndex(rpmds ds, int i)
{
rpmsid id = 0;
if (ds != NULL && i >= 0 && i < ds->Count && ds->EVR != NULL)
id = ds->EVR[i];
return id;
}
const char * rpmdsNIndex(rpmds ds, int i)
{
const char * N = NULL;
if (ds != NULL && i >= 0 && i < ds->Count && ds->N != NULL)
N = rpmstrPoolStr(ds->pool, ds->N[i]);
return N;
}
const char * rpmdsEVRIndex(rpmds ds, int i)
{
const char * EVR = NULL;
if (ds != NULL && i >= 0 && i < ds->Count && ds->EVR != NULL)
EVR = rpmstrPoolStr(ds->pool, ds->EVR[i]);
return EVR;
}
rpmsenseFlags rpmdsFlagsIndex(rpmds ds, int i)
{
rpmsenseFlags Flags = 0;
if (ds != NULL && i >= 0 && i < ds->Count && ds->Flags != NULL)
Flags = ds->Flags[i];
return Flags;
}
int rpmdsTiIndex(rpmds ds, int i)
{
int ti = -1;
if (ds != NULL && i >= 0 && i < ds->Count && ds->ti != NULL)
ti = ds->ti[i];
return ti;
}
rpm_color_t rpmdsColorIndex(rpmds ds, int i)
{
rpm_color_t Color = 0;
if (ds != NULL && i >= 0 && i < ds->Count && ds->Color != NULL)
Color = ds->Color[i];
return Color;
}
static rpmds rpmdsUnlink(rpmds ds)
{
if (ds)
ds->nrefs--;
return NULL;
}
rpmds rpmdsLink(rpmds ds)
{
if (ds)
ds->nrefs++;
return ds;
}
rpmds rpmdsFree(rpmds ds)
{
rpmTagVal tagEVR, tagF, tagTi;
if (ds == NULL)
return NULL;
if (ds->nrefs > 1)
return rpmdsUnlink(ds);
if (dsType(ds->tagN, NULL, &tagEVR, &tagF, &tagTi))
return NULL;
if (ds->Count > 0) {
ds->N = _free(ds->N);
ds->EVR = _free(ds->EVR);
ds->Flags = _free(ds->Flags);
ds->ti = _free(ds->ti);
}
ds->pool = rpmstrPoolFree(ds->pool);
ds->DNEVR = _free(ds->DNEVR);
ds->Color = _free(ds->Color);
(void) rpmdsUnlink(ds);
memset(ds, 0, sizeof(*ds)); /* XXX trash and burn */
ds = _free(ds);
return NULL;
}
static rpmds rpmdsCreate(rpmstrPool pool,
rpmTagVal tagN, const char * Type, int Count,
unsigned int instance)
{
rpmds ds = xcalloc(1, sizeof(*ds));
ds->pool = (pool != NULL) ? rpmstrPoolLink(pool) : rpmstrPoolCreate();
ds->tagN = tagN;
ds->Type = Type;
ds->Count = Count;
ds->instance = instance;
ds->nopromote = _rpmds_nopromote;
ds->i = -1;
return rpmdsLink(ds);
}
rpmds rpmdsNewPool(rpmstrPool pool, Header h, rpmTagVal tagN, int flags)
{
rpmTagVal tagEVR, tagF, tagTi;
rpmds ds = NULL;
const char * Type;
struct rpmtd_s names;
if (dsType(tagN, &Type, &tagEVR, &tagF, &tagTi))
goto exit;
if (headerGet(h, tagN, &names, HEADERGET_MINMEM)) {
struct rpmtd_s evr, dflags, tindices;
rpm_count_t count = rpmtdCount(&names);
headerGet(h, tagEVR, &evr, HEADERGET_MINMEM);
if (evr.count && evr.count != count) {
rpmtdFreeData(&evr);
return NULL;
}
headerGet(h, tagF, &dflags, HEADERGET_ALLOC);
if (dflags.count && dflags.count != count) {
rpmtdFreeData(&dflags);
return NULL;
}
if (tagTi != RPMTAG_NOT_FOUND) {
headerGet(h, tagTi, &tindices, HEADERGET_ALLOC);
if (tindices.count && tindices.count != count) {
rpmtdFreeData(&tindices);
return NULL;
}
}
ds = rpmdsCreate(pool, tagN, Type, count, headerGetInstance(h));
ds->N = names.count ? rpmtdToPool(&names, ds->pool) : NULL;
ds->EVR = evr.count ? rpmtdToPool(&evr, ds->pool): NULL;
ds->Flags = dflags.data;
if (tagTi != RPMTAG_NOT_FOUND) {
ds->ti = tindices.data;
}
/* ensure rpmlib() requires always have RPMSENSE_RPMLIB flag set */
if (tagN == RPMTAG_REQUIRENAME && ds->Flags) {
for (int i = 0; i < ds->Count; i++) {
if (!(rpmdsFlagsIndex(ds, i) & RPMSENSE_RPMLIB)) {
const char *N = rpmdsNIndex(ds, i);
if (rstreqn(N, "rpmlib(", sizeof("rpmlib(")-1))
ds->Flags[i] |= RPMSENSE_RPMLIB;
}
}
}
rpmtdFreeData(&names);
rpmtdFreeData(&evr);
/* freeze the pool to save memory, but only if private pool */
if (ds->pool != pool)
rpmstrPoolFreeze(ds->pool, 0);
}
exit:
return ds;
}
rpmds rpmdsNew(Header h, rpmTagVal tagN, int flags)
{
return rpmdsNewPool(NULL, h, tagN, flags);
}
char * rpmdsNewDNEVR(const char * dspfx, const rpmds ds)
{
const char * N = rpmdsN(ds);
const char * EVR = rpmdsEVR(ds);
rpmsenseFlags Flags = rpmdsFlags(ds);
char * tbuf, * t;
size_t nb;
nb = 0;
if (dspfx) nb += strlen(dspfx) + 1;
if (N) nb += strlen(N);
/* XXX rpm prior to 3.0.2 did not always supply EVR and Flags. */
if (Flags & RPMSENSE_SENSEMASK) {
if (nb) nb++;
if (Flags & RPMSENSE_LESS) nb++;
if (Flags & RPMSENSE_GREATER) nb++;
if (Flags & RPMSENSE_EQUAL) nb++;
}
/* XXX rpm prior to 3.0.2 did not always supply EVR and Flags. */
if (EVR && *EVR) {
if (nb) nb++;
nb += strlen(EVR);
}
t = tbuf = xmalloc(nb + 1);
if (dspfx) {
t = stpcpy(t, dspfx);
*t++ = ' ';
}
if (N)
t = stpcpy(t, N);
/* XXX rpm prior to 3.0.2 did not always supply EVR and Flags. */
if (Flags & RPMSENSE_SENSEMASK) {
if (t != tbuf) *t++ = ' ';
if (Flags & RPMSENSE_LESS) *t++ = '<';
if (Flags & RPMSENSE_GREATER) *t++ = '>';
if (Flags & RPMSENSE_EQUAL) *t++ = '=';
}
/* XXX rpm prior to 3.0.2 did not always supply EVR and Flags. */
if (EVR && *EVR) {
if (t != tbuf) *t++ = ' ';
t = stpcpy(t, EVR);
}
*t = '\0';
return tbuf;
}
static rpmds singleDSPool(rpmstrPool pool, rpmTagVal tagN,
rpmsid N, rpmsid EVR, rpmsenseFlags Flags,
unsigned int instance, rpm_color_t Color,
int triggerIndex)
{
rpmds ds = NULL;
const char * Type;
rpmTagVal tagTi;
if (dsType(tagN, &Type, NULL, NULL, &tagTi))
goto exit;
ds = rpmdsCreate(pool, tagN, Type, 1, instance);
ds->N = xmalloc(1 * sizeof(*ds->N));
ds->N[0] = N;
ds->EVR = xmalloc(1 * sizeof(*ds->EVR));
ds->EVR[0] = EVR;
ds->Flags = xmalloc(sizeof(*ds->Flags));
ds->Flags[0] = Flags;
if (tagTi != RPMTAG_NOT_FOUND) {
ds->ti = xmalloc(sizeof(*ds->ti));
ds->ti[0] = triggerIndex;
}
ds->i = 0;
if (Color)
rpmdsSetColor(ds, Color);
exit:
return ds;
}
static rpmds singleDS(rpmstrPool pool, rpmTagVal tagN,
const char * N, const char * EVR,
rpmsenseFlags Flags, unsigned int instance,
rpm_color_t Color, int triggerIndex)
{
rpmds ds = singleDSPool(pool, tagN, 0, 0, Flags, instance, Color,
triggerIndex);
if (ds) {
/* now that we have a pool, we can insert our N & EVR strings */
ds->N[0] = rpmstrPoolId(ds->pool, N ? N : "", 1);
ds->EVR[0] = rpmstrPoolId(ds->pool, EVR ? EVR : "", 1);
/* freeze the pool to save memory, but only if private pool */
if (ds->pool != pool)
rpmstrPoolFreeze(ds->pool, 0);
}
return ds;
}
rpmds rpmdsThisPool(rpmstrPool pool,
Header h, rpmTagVal tagN, rpmsenseFlags Flags)
{
char *evr = headerGetAsString(h, RPMTAG_EVR);
rpmds ds = singleDS(pool, tagN, headerGetString(h, RPMTAG_NAME),
evr, Flags, headerGetInstance(h), 0, 0);
free(evr);
return ds;
}
rpmds rpmdsThis(Header h, rpmTagVal tagN, rpmsenseFlags Flags)
{
return rpmdsThisPool(NULL, h, tagN, Flags);
}
rpmds rpmdsSinglePool(rpmstrPool pool,rpmTagVal tagN,
const char * N, const char * EVR, rpmsenseFlags Flags)
{
return singleDS(pool, tagN, N, EVR, Flags, 0, 0, 0);
}
rpmds rpmdsSinglePoolTix(rpmstrPool pool,rpmTagVal tagN,
const char * N, const char * EVR,
rpmsenseFlags Flags, int triggerIndex)
{
return singleDS(pool, tagN, N, EVR, Flags, 0, 0, triggerIndex);
}
rpmds rpmdsSingle(rpmTagVal tagN, const char * N, const char * EVR, rpmsenseFlags Flags)
{
return rpmdsSinglePool(NULL, tagN, N, EVR, Flags);
}
rpmds rpmdsCurrent(rpmds ds)
{
rpmds cds = NULL;
int ti = -1;
if (ds != NULL && ds->i >= 0 && ds->i < ds->Count) {
if (ds->ti)
ti = ds->ti[ds->i];
/* Using parent's pool so we can just use the same id's */
cds = singleDSPool(ds->pool, ds->tagN, ds->N[ds->i], ds->EVR[ds->i],
rpmdsFlags(ds), ds->instance, rpmdsColor(ds), ti);
}
return cds;
}
rpmds rpmdsFilterTi(rpmds ds, int ti)
{
int i, i2, tiCount = 0;
rpmds fds;
if (ds == NULL || !ds->ti || !ds->Count)
return NULL;
for (i = 0; i < ds->Count; i++) {
if (ds->ti[i] == ti)
tiCount++;
}
if (!tiCount)
return NULL;
fds = rpmdsCreate(ds->pool, ds->tagN, ds->Type, tiCount, ds->instance);
fds->N = xmalloc(tiCount * sizeof(*fds->N));
fds->EVR = xmalloc(tiCount * sizeof(*fds->EVR));
fds->Flags = xmalloc(tiCount * sizeof(*fds->Flags));
fds->ti = xmalloc(tiCount * sizeof(*fds->ti));
fds->i = -1;
i2 = 0;
for (i = 0; i < ds->Count; i++) {
if (ds->ti[i] == ti) {
fds->N[i2] = ds->N[i];
fds->EVR[i2] = ds->EVR[i];
fds->Flags[i2] = ds->Flags[i];
fds->ti[i2] = ds->ti[i];
i2++;
}
}
return fds;
}
int rpmdsPutToHeader(rpmds ds, Header h)
{
rpmTagVal tagN = rpmdsTagN(ds);
rpmTagVal tagEVR = rpmdsTagEVR(ds);
rpmTagVal tagF = rpmdsTagF(ds);
rpmTagVal tagTi = rpmdsTagTi(ds);
if (!tagN)
return -1;
rpmds pi = rpmdsInit(ds);
while (rpmdsNext(pi) >= 0) {
rpmsenseFlags flags = rpmdsFlags(pi);
uint32_t index = rpmdsTi(pi);
headerPutString(h, tagN, rpmdsN(pi));
headerPutString(h, tagEVR, rpmdsEVR(pi));
headerPutUint32(h, tagF, &flags, 1);
if (tagTi != RPMTAG_NOT_FOUND) {
headerPutUint32(h, tagTi, &index, 1);
}
}
return 0;
}
int rpmdsCount(const rpmds ds)
{
return (ds != NULL ? ds->Count : 0);
}
int rpmdsIx(const rpmds ds)
{
return (ds != NULL ? ds->i : -1);
}
int rpmdsSetIx(rpmds ds, int ix)
{
int i = -1;
if (ds != NULL) {
i = ds->i;
ds->i = ix;
ds->DNEVR = _free(ds->DNEVR);
}
return i;
}
char rpmdsD(const rpmds ds)
{
if (ds != NULL) {
return tagNToChar(ds->tagN);
} else {
return '\0';
}
}
const char * rpmdsDNEVR(const rpmds ds)
{
const char * DNEVR = NULL;
if (ds != NULL && ds->i >= 0 && ds->i < ds->Count) {
if (ds->DNEVR == NULL) {
char t[2] = { tagNToChar(ds->tagN), '\0' };
ds->DNEVR = rpmdsNewDNEVR(t, ds);
}
DNEVR = ds->DNEVR;
}
return DNEVR;
}
rpmsid rpmdsNId(rpmds ds)
{
return (ds != NULL) ? rpmdsNIdIndex(ds, ds->i) : 0;
}
rpmsid rpmdsEVRId(rpmds ds)
{
return (ds != NULL) ? rpmdsEVRIdIndex(ds, ds->i) : 0;
}
const char * rpmdsN(const rpmds ds)
{
return (ds != NULL) ? rpmdsNIndex(ds, ds->i) : NULL;
}
const char * rpmdsEVR(const rpmds ds)
{
return (ds != NULL) ? rpmdsEVRIndex(ds, ds->i) : NULL;
}
rpmsenseFlags rpmdsFlags(const rpmds ds)
{
return (ds != NULL) ? rpmdsFlagsIndex(ds, ds->i) : 0;
}
int rpmdsTi(const rpmds ds)
{
return (ds != NULL) ? rpmdsTiIndex(ds, ds->i) : 0;
}
rpmTagVal rpmdsTagN(const rpmds ds)
{
rpmTagVal tagN = RPMTAG_NOT_FOUND;
if (ds != NULL)
tagN = ds->tagN;
return tagN;
}
rpmTagVal rpmdsTagEVR(const rpmds ds)
{
rpmTagVal tagEVR = RPMTAG_NOT_FOUND;
if (ds != NULL)
dsType(ds->tagN, NULL, &tagEVR, NULL, NULL);
return tagEVR;
}
rpmTagVal rpmdsTagF(const rpmds ds)
{
rpmTagVal tagF = RPMTAG_NOT_FOUND;
if (ds != NULL)
dsType(ds->tagN, NULL, NULL, &tagF, NULL);
return tagF;
}
rpmTagVal rpmdsTagTi(const rpmds ds)
{
rpmTagVal tagTi = RPMTAG_NOT_FOUND;
if (ds != NULL)
dsType(ds->tagN, NULL, NULL, NULL, &tagTi);
return tagTi;
}
unsigned int rpmdsInstance(rpmds ds)
{
return (ds != NULL) ? ds->instance : 0;
}
int rpmdsNoPromote(const rpmds ds)
{
int nopromote = 0;
if (ds != NULL)
nopromote = ds->nopromote;
return nopromote;
}
int rpmdsSetNoPromote(rpmds ds, int nopromote)
{
int onopromote = 0;
if (ds != NULL) {
onopromote = ds->nopromote;
ds->nopromote = nopromote;
}
return onopromote;
}
rpm_color_t rpmdsColor(const rpmds ds)
{
return (ds != NULL) ? rpmdsColorIndex(ds, ds->i) : 0;
}
rpm_color_t rpmdsSetColor(const rpmds ds, rpm_color_t color)
{
rpm_color_t ocolor = 0;
if (ds != NULL && ds->i >= 0 && ds->i < ds->Count) {
if (ds->Color == NULL) {
ds->Color = xcalloc(ds->Count, sizeof(*ds->Color));
}
ocolor = ds->Color[ds->i];
ds->Color[ds->i] = color;
}
return ocolor;
}
void rpmdsNotify(rpmds ds, const char * where, int rc)
{
const char *DNEVR;
if (!rpmIsDebug())
return;
if (!(ds != NULL && ds->i >= 0 && ds->i < ds->Count))
return;
if (!(ds->Type != NULL && (DNEVR = rpmdsDNEVR(ds)) != NULL))
return;
rpmlog(RPMLOG_DEBUG, "%9s: %-45s %-s %s\n", ds->Type,
(rstreq(DNEVR, "cached") ? DNEVR : DNEVR+2),
(rc ? _("NO ") : _("YES")),
(where != NULL ? where : ""));
}
int rpmdsNext(rpmds ds)
{
int i = -1;
if (ds != NULL && ++ds->i >= 0) {
if (ds->i < ds->Count) {
i = ds->i;
ds->DNEVR = _free(ds->DNEVR);
} else
ds->i = -1;
if (_rpmds_debug < 0 && i != -1)
fprintf(stderr, "*** ds %p\t%s[%d]: %s\n", ds, (ds->Type ? ds->Type : "?Type?"), i, (ds->DNEVR ? ds->DNEVR : "?DNEVR?"));
}
return i;
}
rpmds rpmdsInit(rpmds ds)
{
if (ds != NULL) {
ds->i = -1;
ds->DNEVR = _free(ds->DNEVR);
}
return ds;
}
static rpmds rpmdsDup(const rpmds ods)
{
rpmds ds = rpmdsCreate(ods->pool, ods->tagN, ods->Type,
ods->Count, ods->instance);
size_t nb;
ds->i = ods->i;
ds->nopromote = ods->nopromote;
nb = ds->Count * sizeof(*ds->N);
ds->N = memcpy(xmalloc(nb), ods->N, nb);
/* XXX rpm prior to 3.0.2 did not always supply EVR and Flags. */
if (ods->EVR) {
nb = ds->Count * sizeof(*ds->EVR);
ds->EVR = memcpy(xmalloc(nb), ods->EVR, nb);
}
if (ods->Flags) {
nb = ds->Count * sizeof(*ds->Flags);
ds->Flags = memcpy(xmalloc(nb), ods->Flags, nb);
}
if (ods->ti) {
nb = ds->Count * sizeof(*ds->ti);
ds->ti = memcpy(xmalloc(nb), ods->ti, nb);
}
return ds;
}
static int doFind(rpmds ds, const rpmds ods, unsigned int *he)
{
int comparison;
const char *N, *ON = rpmdsN(ods);
const char *EVR, *OEVR = rpmdsEVR(ods);
rpmsenseFlags Flags, OFlags = rpmdsFlags(ods);
int index, Oindex = rpmdsTi(ods);
int rc = -1; /* assume not found */
if (ds == NULL || ods == NULL)
return -1;
unsigned int l = 0;
unsigned int u = ds->Count;
while (l < u) {
ds->i = (l + u) / 2;
N = rpmdsN(ds);
EVR = rpmdsEVR(ds);
Flags = rpmdsFlags(ds);
index = rpmdsTi(ds);
comparison = strcmp(ON, N);
/* XXX rpm prior to 3.0.2 did not always supply EVR and Flags. */
if (comparison == 0 && OEVR && EVR)
comparison = strcmp(OEVR, EVR);
if (comparison == 0)
comparison = OFlags - Flags;
if (comparison == 0)
comparison = Oindex - index;
if (comparison < 0)
u = ds->i;
else if (comparison > 0)
l = ds->i + 1;
else {
rc = ds->i;
break;
}
}
if (he)
*he = u;
return rc;
}
int rpmdsFind(rpmds ds, const rpmds ods)
{
return doFind(ds, ods, NULL);
}
int rpmdsMerge(rpmds * dsp, rpmds ods)
{
rpmds ds;
int save;
int ocount;
if (dsp == NULL || ods == NULL)
return -1;
ocount = rpmdsCount(*dsp);
/* If not initialized yet, dup the 1st entry. */
if (*dsp == NULL) {
save = ods->Count;
ods->Count = 1;
*dsp = rpmdsDup(ods);
ods->Count = save;
}
ds = *dsp;
if (ds == NULL)
return -1;
/* Ensure EVR and Flags exist */
if (ds->EVR == NULL)
ds->EVR = xcalloc(ds->Count, sizeof(*ds->EVR));
if (ds->Flags == NULL)
ds->Flags = xcalloc(ds->Count, sizeof(*ds->Flags));
if (ds->ti == NULL && ods->ti) {
int i;
ds->ti = xcalloc(ds->Count, sizeof(*ds->ti));
for (i = 0; i < ds->Count; i++)
ds->ti[i] = -1;
}
/*
* Add new entries.
*/
save = ods->i;
ods = rpmdsInit(ods);
while (rpmdsNext(ods) >= 0) {
const char *OEVR;
unsigned int u;
/*
* If this entry is already present, don't bother.
*/
if (doFind(ds, ods, &u) >= 0)
continue;
/*
* Insert new entry. Ensure pool is unfrozen to allow additions.
*/
rpmstrPoolUnfreeze(ds->pool);
ds->N = xrealloc(ds->N, (ds->Count+1) * sizeof(*ds->N));
if (u < ds->Count) {
memmove(ds->N + u + 1, ds->N + u,
(ds->Count - u) * sizeof(*ds->N));
}
ds->N[u] = rpmstrPoolId(ds->pool, rpmdsN(ods), 1);
ds->EVR = xrealloc(ds->EVR, (ds->Count+1) * sizeof(*ds->EVR));
if (u < ds->Count) {
memmove(ds->EVR + u + 1, ds->EVR + u,
(ds->Count - u) * sizeof(*ds->EVR));
}
OEVR = rpmdsEVR(ods);
ds->EVR[u] = rpmstrPoolId(ds->pool, OEVR ? OEVR : "", 1);
ds->Flags = xrealloc(ds->Flags, (ds->Count+1) * sizeof(*ds->Flags));
if (u < ds->Count) {
memmove(ds->Flags + u + 1, ds->Flags + u,
(ds->Count - u) * sizeof(*ds->Flags));
}
ds->Flags[u] = rpmdsFlags(ods);
if (ds->ti || ods->ti) {
ds->ti = xrealloc(ds->ti, (ds->Count+1) * sizeof(*ds->ti));
if (u < ds->Count) {
memmove(ds->ti + u + 1, ds->ti + u,
(ds->Count - u) * sizeof(*ds->ti));
}
ds->ti[u] = rpmdsTi(ods);
}
ds->i = ds->Count;
ds->Count++;
}
ods->i = save;
return (ds->Count - ocount);
}
int rpmdsSearch(rpmds ds, rpmds ods)
{
int comparison;
int i, l, u;
const char *ON = rpmdsN(ods);
if (ds == NULL || ods == NULL)
return -1;
/* Binary search to find the [l,u) subset that contains N */
i = -1;
l = 0;
u = ds->Count;
while (l < u) {
i = (l + u) / 2;
comparison = strcmp(ON, rpmdsNIndex(ds, i));
if (comparison < 0)
u = i;
else if (comparison > 0)
l = i + 1;
else {
/* Set l to 1st member of set that contains N. */
if (!rstreq(ON, rpmdsNIndex(ds, l)))
l = i;
while (l > 0 && rstreq(ON, rpmdsNIndex(ds, l-1)))
l--;
/* Set u to 1st member of set that does not contain N. */
if (u >= ds->Count || !rstreq(ON, rpmdsNIndex(ds, u)))
u = i;
while (++u < ds->Count) {
if (!rstreq(ON, rpmdsNIndex(ds, u)))
break;
}
break;
}
}
/* Check each member of [l,u) subset for ranges overlap. */
i = -1;
if (l < u) {
int save = rpmdsSetIx(ds, l-1);
while ((l = rpmdsNext(ds)) >= 0 && (l < u)) {
if ((i = rpmdsCompare(ods, ds)) != 0)
break;
}
/* Return element index that overlaps, or -1. */
if (i)
i = rpmdsIx(ds);
else {
(void) rpmdsSetIx(ds, save);
i = -1;
}
}
return i;
}
/**
* Split EVR into epoch, version, and release components.
* @param evr [epoch:]version[-release] string
* @retval *ep pointer to epoch
* @retval *vp pointer to version
* @retval *rp pointer to release
*/
static
void parseEVR(char * evr,
const char ** ep,
const char ** vp,
const char ** rp)
{
const char *epoch;
const char *version; /* assume only version is present */
const char *release;
char *s, *se;
s = evr;
while (*s && risdigit(*s)) s++; /* s points to epoch terminator */
se = strrchr(s, '-'); /* se points to version terminator */
if (*s == ':') {
epoch = evr;
*s++ = '\0';