1 /*
2  * Copyright (c) 2008, Novell Inc.
3  *
4  * This program is licensed under the BSD license, read LICENSE.BSD
5  * for further information
6  */
7 
8 /*
9  * solvable.c
10  *
11  * set/retrieve data from solvables
12  */
13 
14 #include <stdio.h>
15 #include <stdlib.h>
16 #include <stdarg.h>
17 #include <unistd.h>
18 #include <string.h>
19 
20 #include "pool.h"
21 #include "repo.h"
22 #include "util.h"
23 #include "policy.h"
24 #include "poolvendor.h"
25 #include "chksum.h"
26 #include "linkedpkg.h"
27 
28 const char *
pool_solvable2str(Pool * pool,Solvable * s)29 pool_solvable2str(Pool *pool, Solvable *s)
30 {
31   const char *n, *e, *a;
32   int nl, el, al;
33   char *p;
34   n = pool_id2str(pool, s->name);
35   e = s->evr ? pool_id2str(pool, s->evr) : "";
36   /* XXX: may want to skip the epoch here */
37   a = s->arch ? pool_id2str(pool, s->arch) : "";
38   nl = strlen(n);
39   el = strlen(e);
40   al = strlen(a);
41   if (pool->havedistepoch)
42     {
43       /* strip the distepoch from the evr */
44       const char *de = strrchr(e, '-');
45       if (de && (de = strchr(de, ':')) != 0)
46 	el = de - e;
47     }
48   p = pool_alloctmpspace(pool, nl + el + al + 3);
49   strcpy(p, n);
50   if (el)
51     {
52       p[nl++] = '-';
53       strncpy(p + nl, e, el);
54       p[nl + el] = 0;
55     }
56   if (al)
57     {
58       p[nl + el] = pool->disttype == DISTTYPE_HAIKU ? '-' : '.';
59       strcpy(p + nl + el + 1, a);
60     }
61   if (pool->disttype == DISTTYPE_CONDA && solvable_lookup_type(s, SOLVABLE_BUILDFLAVOR))
62     {
63       Queue flavorq;
64       int i;
65       queue_init(&flavorq);
66       solvable_lookup_idarray(s, SOLVABLE_BUILDFLAVOR, &flavorq);
67       for (i = 0; i < flavorq.count; i++)
68 	p = pool_tmpappend(pool, p, "-", pool_id2str(pool, flavorq.elements[i]));
69       queue_free(&flavorq);
70     }
71   return p;
72 }
73 
74 Id
solvable_lookup_type(Solvable * s,Id keyname)75 solvable_lookup_type(Solvable *s, Id keyname)
76 {
77   if (!s->repo)
78     return 0;
79   return repo_lookup_type(s->repo, s - s->repo->pool->solvables, keyname);
80 }
81 
82 Id
solvable_lookup_id(Solvable * s,Id keyname)83 solvable_lookup_id(Solvable *s, Id keyname)
84 {
85   if (!s->repo)
86     return 0;
87   return repo_lookup_id(s->repo, s - s->repo->pool->solvables, keyname);
88 }
89 
90 int
solvable_lookup_idarray(Solvable * s,Id keyname,Queue * q)91 solvable_lookup_idarray(Solvable *s, Id keyname, Queue *q)
92 {
93   if (!s->repo)
94     {
95       queue_empty(q);
96       return 0;
97     }
98   return repo_lookup_idarray(s->repo, s - s->repo->pool->solvables, keyname, q);
99 }
100 
101 int
solvable_lookup_deparray(Solvable * s,Id keyname,Queue * q,Id marker)102 solvable_lookup_deparray(Solvable *s, Id keyname, Queue *q, Id marker)
103 {
104   if (!s->repo)
105     {
106       queue_empty(q);
107       return 0;
108     }
109   return repo_lookup_deparray(s->repo, s - s->repo->pool->solvables, keyname, q, marker);
110 }
111 
112 static const char *
solvable_lookup_str_joinarray(Solvable * s,Id keyname,const char * joinstr)113 solvable_lookup_str_joinarray(Solvable *s, Id keyname, const char *joinstr)
114 {
115   Queue q;
116   Id qbuf[10];
117   char *str = 0;
118 
119   queue_init_buffer(&q, qbuf, sizeof(qbuf)/sizeof(*qbuf));
120   if (solvable_lookup_idarray(s, keyname, &q) && q.count)
121     {
122       Pool *pool = s->repo->pool;
123       if (q.count == 1)
124 	str = (char *)pool_id2str(pool, q.elements[0]);
125       else
126 	{
127 	  int i;
128 	  str = pool_tmpjoin(pool, pool_id2str(pool, q.elements[0]), 0, 0);
129 	  for (i = 1; i < q.count; i++)
130 	    str = pool_tmpappend(pool, str, joinstr, pool_id2str(pool, q.elements[i]));
131 	}
132     }
133   queue_free(&q);
134   return str;
135 }
136 
137 const char *
solvable_lookup_str(Solvable * s,Id keyname)138 solvable_lookup_str(Solvable *s, Id keyname)
139 {
140   const char *str;
141   if (!s->repo)
142     return 0;
143   str = repo_lookup_str(s->repo, s - s->repo->pool->solvables, keyname);
144   if (!str && (keyname == SOLVABLE_LICENSE || keyname == SOLVABLE_GROUP || keyname == SOLVABLE_BUILDFLAVOR))
145     str = solvable_lookup_str_joinarray(s, keyname, ", ");
146   return str;
147 }
148 
149 static const char *
solvable_lookup_str_base(Solvable * s,Id keyname,Id basekeyname,int usebase)150 solvable_lookup_str_base(Solvable *s, Id keyname, Id basekeyname, int usebase)
151 {
152   Pool *pool;
153   const char *str, *basestr;
154   Id p, pp, name;
155   Solvable *s2;
156   int pass;
157 
158   if (!s->repo)
159     return 0;
160   pool = s->repo->pool;
161   str = solvable_lookup_str(s, keyname);
162   if (str || keyname == basekeyname)
163     return str;
164   basestr = solvable_lookup_str(s, basekeyname);
165   if (!basestr)
166     return 0;
167   /* search for a solvable with same name and same base that has the
168    * translation */
169   if (!pool->whatprovides)
170     return usebase ? basestr : 0;
171   name = s->name;
172   /* we do this in two passes, first same vendor, then all other vendors */
173   for (pass = 0; pass < 2; pass++)
174     {
175       FOR_PROVIDES(p, pp, name)
176 	{
177 	  s2 = pool->solvables + p;
178 	  if (s2->name != name)
179 	    continue;
180 	  if ((s->vendor == s2->vendor) != (pass == 0))
181 	    continue;
182 	  str = solvable_lookup_str(s2, basekeyname);
183 	  if (!str || strcmp(str, basestr))
184 	    continue;
185 	  str = solvable_lookup_str(s2, keyname);
186 	  if (str)
187 	    return str;
188 	}
189 #ifdef ENABLE_LINKED_PKGS
190       /* autopattern/product translation magic */
191       if (pass)
192 	{
193 	  const char *n = pool_id2str(pool, name);
194 	  if (*n == 'p')
195 	    {
196 	      if (!strncmp("pattern:", n, 8) && (name = find_autopattern_name(pool, s)) != 0)
197 		pass = -1;
198 	      if (!strncmp("product:", n, 8) && (name = find_autoproduct_name(pool, s)) != 0)
199 		pass = -1;
200 	    }
201 	}
202 #endif
203     }
204   return usebase ? basestr : 0;
205 }
206 
207 const char *
solvable_lookup_str_poollang(Solvable * s,Id keyname)208 solvable_lookup_str_poollang(Solvable *s, Id keyname)
209 {
210   Pool *pool;
211   int i, cols;
212   const char *str;
213   Id *row;
214 
215   if (!s->repo)
216     return 0;
217   pool = s->repo->pool;
218   if (!pool->nlanguages)
219     return solvable_lookup_str(s, keyname);
220   cols = pool->nlanguages + 1;
221   if (!pool->languagecache)
222     {
223       pool->languagecache = solv_calloc(cols * ID_NUM_INTERNAL, sizeof(Id));
224       pool->languagecacheother = 0;
225     }
226   if (keyname >= ID_NUM_INTERNAL)
227     {
228       row = pool->languagecache + ID_NUM_INTERNAL * cols;
229       for (i = 0; i < pool->languagecacheother; i++, row += cols)
230 	if (*row == keyname)
231 	  break;
232       if (i >= pool->languagecacheother)
233 	{
234 	  pool->languagecache = solv_realloc2(pool->languagecache, pool->languagecacheother + 1, cols * sizeof(Id));
235 	  row = pool->languagecache + cols * (ID_NUM_INTERNAL + pool->languagecacheother++);
236 	  *row = keyname;
237 	}
238     }
239   else
240     row = pool->languagecache + keyname * cols;
241   row++;	/* skip keyname */
242   for (i = 0; i < pool->nlanguages; i++, row++)
243     {
244       if (!*row)
245         *row = pool_id2langid(pool, keyname, pool->languages[i], 1);
246       str = solvable_lookup_str_base(s, *row, keyname, 0);
247       if (str)
248 	return str;
249     }
250   return solvable_lookup_str(s, keyname);
251 }
252 
253 const char *
solvable_lookup_str_lang(Solvable * s,Id keyname,const char * lang,int usebase)254 solvable_lookup_str_lang(Solvable *s, Id keyname, const char *lang, int usebase)
255 {
256   Id id;
257   if (!s->repo)
258     return 0;
259   id = pool_id2langid(s->repo->pool, keyname, lang, 0);
260   if (id)
261     return solvable_lookup_str_base(s, id, keyname, usebase);
262   if (!usebase)
263     return 0;
264   return solvable_lookup_str(s, keyname);
265 }
266 
267 unsigned long long
solvable_lookup_num(Solvable * s,Id keyname,unsigned long long notfound)268 solvable_lookup_num(Solvable *s, Id keyname, unsigned long long notfound)
269 {
270   if (!s->repo)
271     return notfound;
272   return repo_lookup_num(s->repo, s - s->repo->pool->solvables, keyname, notfound);
273 }
274 
275 unsigned long long
solvable_lookup_sizek(Solvable * s,Id keyname,unsigned long long notfound)276 solvable_lookup_sizek(Solvable *s, Id keyname, unsigned long long notfound)
277 {
278   unsigned long long size;
279   if (!s->repo)
280     return notfound;
281   size = solvable_lookup_num(s, keyname, (unsigned long long)-1);
282   return size == (unsigned long long)-1 ? notfound : ((size + 1023) >> 10);
283 }
284 
285 int
solvable_lookup_void(Solvable * s,Id keyname)286 solvable_lookup_void(Solvable *s, Id keyname)
287 {
288   if (!s->repo)
289     return 0;
290   return repo_lookup_void(s->repo, s - s->repo->pool->solvables, keyname);
291 }
292 
293 int
solvable_lookup_bool(Solvable * s,Id keyname)294 solvable_lookup_bool(Solvable *s, Id keyname)
295 {
296   Id type;
297   if (!s->repo)
298     return 0;
299   /* historic nonsense: there are two ways of storing a bool, as num == 1 or void. test both. */
300   type = repo_lookup_type(s->repo, s - s->repo->pool->solvables, keyname);
301   if (type == REPOKEY_TYPE_VOID)
302     return 1;
303   if (type == REPOKEY_TYPE_NUM || type == REPOKEY_TYPE_CONSTANT)
304     return repo_lookup_num(s->repo, s - s->repo->pool->solvables, keyname, 0) == 1;
305   return 0;
306 }
307 
308 const unsigned char *
solvable_lookup_bin_checksum(Solvable * s,Id keyname,Id * typep)309 solvable_lookup_bin_checksum(Solvable *s, Id keyname, Id *typep)
310 {
311   if (!s->repo)
312     {
313       *typep = 0;
314       return 0;
315     }
316   return repo_lookup_bin_checksum(s->repo, s - s->repo->pool->solvables, keyname, typep);
317 }
318 
319 const char *
solvable_lookup_checksum(Solvable * s,Id keyname,Id * typep)320 solvable_lookup_checksum(Solvable *s, Id keyname, Id *typep)
321 {
322   const unsigned char *chk = solvable_lookup_bin_checksum(s, keyname, typep);
323   return chk ? pool_bin2hex(s->repo->pool, chk, solv_chksum_len(*typep)) : 0;
324 }
325 
326 unsigned int
solvable_lookup_count(Solvable * s,Id keyname)327 solvable_lookup_count(Solvable *s, Id keyname)
328 {
329   return s->repo ? repo_lookup_count(s->repo, s - s->repo->pool->solvables, keyname) : 0;
330 }
331 
332 static inline const char *
evrid2vrstr(Pool * pool,Id evrid)333 evrid2vrstr(Pool *pool, Id evrid)
334 {
335   const char *p, *evr = pool_id2str(pool, evrid);
336   if (!evr)
337     return evr;
338   for (p = evr; *p >= '0' && *p <= '9'; p++)
339     ;
340   return p != evr && *p == ':' && p[1] ? p + 1 : evr;
341 }
342 
343 const char *
solvable_lookup_location(Solvable * s,unsigned int * medianrp)344 solvable_lookup_location(Solvable *s, unsigned int *medianrp)
345 {
346   Pool *pool;
347   int l = 0;
348   char *loc;
349   const char *mediadir, *mediafile;
350 
351   if (medianrp)
352     *medianrp = 0;
353   if (!s->repo)
354     return 0;
355   pool = s->repo->pool;
356   if (medianrp)
357     *medianrp = solvable_lookup_num(s, SOLVABLE_MEDIANR, 0);
358   if (solvable_lookup_void(s, SOLVABLE_MEDIADIR))
359     mediadir = pool_id2str(pool, s->arch);
360   else
361     mediadir = solvable_lookup_str(s, SOLVABLE_MEDIADIR);
362   if (mediadir)
363     l = strlen(mediadir) + 1;
364   if (solvable_lookup_void(s, SOLVABLE_MEDIAFILE))
365     {
366       const char *name, *evr, *arch;
367       name = pool_id2str(pool, s->name);
368       evr = evrid2vrstr(pool, s->evr);
369       arch = pool_id2str(pool, s->arch);
370       /* name-vr.arch.rpm */
371       loc = pool_alloctmpspace(pool, l + strlen(name) + strlen(evr) + strlen(arch) + 7);
372       if (mediadir)
373 	sprintf(loc, "%s/%s-%s.%s.rpm", mediadir, name, evr, arch);
374       else
375 	sprintf(loc, "%s-%s.%s.rpm", name, evr, arch);
376     }
377   else
378     {
379       mediafile = solvable_lookup_str(s, SOLVABLE_MEDIAFILE);
380       if (!mediafile)
381 	return 0;
382       loc = pool_alloctmpspace(pool, l + strlen(mediafile) + 1);
383       if (mediadir)
384 	sprintf(loc, "%s/%s", mediadir, mediafile);
385       else
386 	strcpy(loc, mediafile);
387     }
388   return loc;
389 }
390 
391 const char *
solvable_get_location(Solvable * s,unsigned int * medianrp)392 solvable_get_location(Solvable *s, unsigned int *medianrp)
393 {
394   const char *loc = solvable_lookup_location(s, medianrp);
395   if (medianrp && *medianrp == 0)
396     *medianrp = 1;	/* compat, to be removed */
397   return loc;
398 }
399 
400 const char *
solvable_lookup_sourcepkg(Solvable * s)401 solvable_lookup_sourcepkg(Solvable *s)
402 {
403   Pool *pool;
404   const char *evr, *name;
405   Id archid;
406 
407   if (!s->repo)
408     return 0;
409   pool = s->repo->pool;
410   if (solvable_lookup_void(s, SOLVABLE_SOURCENAME))
411     name = pool_id2str(pool, s->name);
412   else
413     name = solvable_lookup_str(s, SOLVABLE_SOURCENAME);
414   if (!name)
415     return 0;
416   archid = solvable_lookup_id(s, SOLVABLE_SOURCEARCH);
417   if (solvable_lookup_void(s, SOLVABLE_SOURCEEVR))
418     evr = evrid2vrstr(pool, s->evr);
419   else
420     evr = solvable_lookup_str(s, SOLVABLE_SOURCEEVR);
421   if (archid == ARCH_SRC || archid == ARCH_NOSRC)
422     {
423       char *str;
424       str = pool_tmpjoin(pool, name, evr ? "-" : 0, evr);
425       str = pool_tmpappend(pool, str, ".", pool_id2str(pool, archid));
426       return pool_tmpappend(pool, str, ".rpm", 0);
427     }
428   else
429     return name;	/* FIXME */
430 }
431 
432 
433 /*****************************************************************************/
434 
435 /*
436  * Create maps containing the state of each solvable. Input is a "installed" queue,
437  * it contains all solvable ids that are considered to be installed.
438  *
439  * The created maps can be used for * pool_calc_duchanges() and
440  * pool_calc_installsizechange().
441  *
442  */
443 void
pool_create_state_maps(Pool * pool,Queue * installed,Map * installedmap,Map * conflictsmap)444 pool_create_state_maps(Pool *pool, Queue *installed, Map *installedmap, Map *conflictsmap)
445 {
446   int i;
447   Solvable *s;
448   Id p, *dp;
449   Id *conp, con;
450 
451   map_init(installedmap, pool->nsolvables);
452   if (conflictsmap)
453     map_init(conflictsmap, pool->nsolvables);
454   for (i = 0; i < installed->count; i++)
455     {
456       p = installed->elements[i];
457       if (p <= 0)	/* makes it work with decisionq */
458 	continue;
459       MAPSET(installedmap, p);
460       if (!conflictsmap)
461 	continue;
462       s = pool->solvables + p;
463       if (!s->conflicts)
464 	continue;
465       conp = s->repo->idarraydata + s->conflicts;
466       while ((con = *conp++) != 0)
467 	{
468 	  dp = pool_whatprovides_ptr(pool, con);
469 	  for (; *dp; dp++)
470 	    MAPSET(conflictsmap, *dp);
471 	}
472     }
473 }
474 
475 /* Tests if two solvables have identical content. Currently
476  * both solvables need to come from the same pool
477  */
478 
479 int
solvable_identical(Solvable * s1,Solvable * s2)480 solvable_identical(Solvable *s1, Solvable *s2)
481 {
482   unsigned long long bt1, bt2;
483   Id rq1, rq2;
484   Id *reqp;
485   if (s1->name != s2->name)
486     return 0;
487   if (s1->arch != s2->arch)
488     return 0;
489   if (s1->evr != s2->evr)
490     return 0;
491 
492   /* check vendor, map missing vendor to empty string */
493   if ((s1->vendor ? s1->vendor : 1) != (s2->vendor ? s2->vendor : 1))
494     {
495       /* workaround for bug 881493 */
496       if (s1->repo && !strncmp(pool_id2str(s1->repo->pool, s1->name), "product:", 8))
497 	return 1;
498       return 0;
499     }
500 
501   /* looking good, try some fancier stuff */
502   /* might also look up the package checksum here */
503   bt1 = solvable_lookup_num(s1, SOLVABLE_BUILDTIME, 0);
504   bt2 = solvable_lookup_num(s2, SOLVABLE_BUILDTIME, 0);
505   if (bt1 && bt2)
506     {
507       if (bt1 != bt2)
508         return 0;
509     }
510   else
511     {
512       if (s1->repo)
513 	{
514           /* workaround for bugs 881493 and 885830*/
515 	  const char *n = pool_id2str(s1->repo->pool, s1->name);
516 	  if (!strncmp(n, "product:", 8) || !strncmp(n, "application:", 12))
517 	    return 1;
518 	}
519       /* look at requires in a last attempt to find recompiled packages */
520       rq1 = rq2 = 0;
521       if (s1->requires)
522 	for (reqp = s1->repo->idarraydata + s1->requires; *reqp; reqp++)
523 	  rq1 ^= *reqp;
524       if (s2->requires)
525 	for (reqp = s2->repo->idarraydata + s2->requires; *reqp; reqp++)
526 	  rq2 ^= *reqp;
527       if (rq1 != rq2)
528 	 return 0;
529     }
530   if (s1->repo && s1->repo->pool->disttype == DISTTYPE_CONDA)
531     {
532       /* check buildflavor and buildversion */
533       const char *str1, *str2;
534       str1 = solvable_lookup_str(s1, SOLVABLE_BUILDFLAVOR);
535       str2 = solvable_lookup_str(s2, SOLVABLE_BUILDFLAVOR);
536       if (str1 != str2 && (!str1 || !str2 || strcmp(str1, str2) != 0))
537 	return 0;
538       str1 = solvable_lookup_str(s1, SOLVABLE_BUILDVERSION);
539       str2 = solvable_lookup_str(s2, SOLVABLE_BUILDVERSION);
540       if (str1 != str2 && (!str1 || !str2 || strcmp(str1, str2) != 0))
541 	return 0;
542     }
543   return 1;
544 }
545 
546 /* return the self provide dependency of a solvable */
547 Id
solvable_selfprovidedep(Solvable * s)548 solvable_selfprovidedep(Solvable *s)
549 {
550   Pool *pool;
551   Reldep *rd;
552   Id prov, *provp;
553 
554   if (!s->repo)
555     return s->name;
556   pool = s->repo->pool;
557   if (s->provides)
558     {
559       provp = s->repo->idarraydata + s->provides;
560       while ((prov = *provp++) != 0)
561 	{
562 	  if (!ISRELDEP(prov))
563 	    continue;
564 	  rd = GETRELDEP(pool, prov);
565 	  if (rd->name == s->name && rd->evr == s->evr && rd->flags == REL_EQ)
566 	    return prov;
567 	}
568     }
569   return pool_rel2id(pool, s->name, s->evr, REL_EQ, 1);
570 }
571 
572 /* setter functions, simply call the repo variants */
573 void
solvable_set_id(Solvable * s,Id keyname,Id id)574 solvable_set_id(Solvable *s, Id keyname, Id id)
575 {
576   repo_set_id(s->repo, s - s->repo->pool->solvables, keyname, id);
577 }
578 
579 void
solvable_set_num(Solvable * s,Id keyname,unsigned long long num)580 solvable_set_num(Solvable *s, Id keyname, unsigned long long num)
581 {
582   repo_set_num(s->repo, s - s->repo->pool->solvables, keyname, num);
583 }
584 
585 void
solvable_set_str(Solvable * s,Id keyname,const char * str)586 solvable_set_str(Solvable *s, Id keyname, const char *str)
587 {
588   repo_set_str(s->repo, s - s->repo->pool->solvables, keyname, str);
589 }
590 
591 void
solvable_set_poolstr(Solvable * s,Id keyname,const char * str)592 solvable_set_poolstr(Solvable *s, Id keyname, const char *str)
593 {
594   repo_set_poolstr(s->repo, s - s->repo->pool->solvables, keyname, str);
595 }
596 
597 void
solvable_add_poolstr_array(Solvable * s,Id keyname,const char * str)598 solvable_add_poolstr_array(Solvable *s, Id keyname, const char *str)
599 {
600   repo_add_poolstr_array(s->repo, s - s->repo->pool->solvables, keyname, str);
601 }
602 
603 void
solvable_add_idarray(Solvable * s,Id keyname,Id id)604 solvable_add_idarray(Solvable *s, Id keyname, Id id)
605 {
606   repo_add_idarray(s->repo, s - s->repo->pool->solvables, keyname, id);
607 }
608 
609 void
solvable_add_deparray(Solvable * s,Id keyname,Id dep,Id marker)610 solvable_add_deparray(Solvable *s, Id keyname, Id dep, Id marker)
611 {
612   repo_add_deparray(s->repo, s - s->repo->pool->solvables, keyname, dep, marker);
613 }
614 
615 void
solvable_set_idarray(Solvable * s,Id keyname,Queue * q)616 solvable_set_idarray(Solvable *s, Id keyname, Queue *q)
617 {
618   repo_set_idarray(s->repo, s - s->repo->pool->solvables, keyname, q);
619 }
620 
621 void
solvable_set_deparray(Solvable * s,Id keyname,Queue * q,Id marker)622 solvable_set_deparray(Solvable *s, Id keyname, Queue *q, Id marker)
623 {
624   repo_set_deparray(s->repo, s - s->repo->pool->solvables, keyname, q, marker);
625 }
626 
627 void
solvable_unset(Solvable * s,Id keyname)628 solvable_unset(Solvable *s, Id keyname)
629 {
630   repo_unset(s->repo, s - s->repo->pool->solvables, keyname);
631 }
632 
633 /* return true if a dependency intersects dep in the keyname array */
634 int
solvable_matchesdep(Solvable * s,Id keyname,Id dep,int marker)635 solvable_matchesdep(Solvable *s, Id keyname, Id dep, int marker)
636 {
637   int i;
638   Pool *pool = s->repo->pool;
639   Queue q;
640 
641   if (keyname == SOLVABLE_NAME)
642     return pool_match_nevr(pool, s, dep) ? 1 : 0;	/* nevr match hack */
643   queue_init(&q);
644   solvable_lookup_deparray(s, keyname, &q, marker);
645   for (i = 0; i < q.count; i++)
646     if (pool_match_dep(pool, q.elements[i], dep))
647       break;
648   i = i == q.count ? 0 : 1;
649   queue_free(&q);
650   return i;
651 }
652 
653 int
solvable_matchessolvable_int(Solvable * s,Id keyname,int marker,Id solvid,Map * solvidmap,Queue * depq,Map * missc,int reloff,Queue * outdepq)654 solvable_matchessolvable_int(Solvable *s, Id keyname, int marker, Id solvid, Map *solvidmap, Queue *depq, Map *missc, int reloff, Queue *outdepq)
655 {
656   Pool *pool = s->repo->pool;
657   int i, boff;
658   Id *wp;
659 
660   if (depq->count)
661     queue_empty(depq);
662   if (outdepq && outdepq->count)
663     queue_empty(outdepq);
664   solvable_lookup_deparray(s, keyname, depq, marker);
665   for (i = 0; i < depq->count; i++)
666     {
667       Id dep = depq->elements[i];
668       boff = ISRELDEP(dep) ? reloff + GETRELID(dep) : dep;
669       if (MAPTST(missc, boff))
670 	continue;
671       if (ISRELDEP(dep))
672 	{
673 	  Reldep *rd = GETRELDEP(pool, dep);
674 	  if (!ISRELDEP(rd->name) && rd->flags < 8)
675 	    {
676 	      /* do pre-filtering on the base */
677 	      if (MAPTST(missc, rd->name))
678 		continue;
679 	      wp = pool_whatprovides_ptr(pool, rd->name);
680 	      if (solvidmap)
681 		{
682 		  for (; *wp; wp++)
683 		    if (MAPTST(solvidmap, *wp))
684 		      break;
685 		}
686 	      else
687 		{
688 		  for (; *wp; wp++)
689 		    if (*wp == solvid)
690 		      break;
691 		}
692 	      if (!*wp)
693 		{
694 		  /* the base does not include solvid, no need to check the complete dep */
695 		  MAPSET(missc, rd->name);
696 		  MAPSET(missc, boff);
697 		  continue;
698 		}
699 	    }
700 	}
701       wp = pool_whatprovides_ptr(pool, dep);
702       if (solvidmap)
703 	{
704 	  for (; *wp; wp++)
705 	    if (MAPTST(solvidmap, *wp))
706 	      break;
707 	}
708       else
709 	{
710 	  for (; *wp; wp++)
711 	    if (*wp == solvid)
712 	      break;
713 	}
714       if (*wp)
715 	{
716 	  if (outdepq)
717 	    {
718 	      queue_pushunique(outdepq, dep);
719 	      continue;
720 	    }
721 	  return 1;
722 	}
723       MAPSET(missc, boff);
724     }
725   return outdepq && outdepq->count ? 1 : 0;
726 }
727 
728 int
solvable_matchessolvable(Solvable * s,Id keyname,Id solvid,Queue * depq,int marker)729 solvable_matchessolvable(Solvable *s, Id keyname, Id solvid, Queue *depq, int marker)
730 {
731   Pool *pool = s->repo->pool;
732   Map missc;		/* cache for misses */
733   int res, reloff;
734   Queue qq;
735 
736   if (depq && depq->count)
737     queue_empty(depq);
738   if (s - pool->solvables == solvid)
739     return 0;		/* no self-matches */
740 
741   queue_init(&qq);
742   reloff = pool->ss.nstrings;
743   map_init(&missc, reloff + pool->nrels);
744   res = solvable_matchessolvable_int(s, keyname, marker, solvid, 0, &qq, &missc, reloff, depq);
745   map_free(&missc);
746   queue_free(&qq);
747   return res;
748 }
749