1 /* pkg_depends.c - the opkg package management system
5 Copyright (C) 2002 Compaq Computer Corporation
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 2, or (at
10 your option) any later version.
12 This program is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
23 #include "opkg_utils.h"
25 #include "opkg_message.h"
26 #include "pkg_parse.h"
27 #include "hash_table.h"
28 #include "libbb/libbb.h"
30 static int parseDepends(compound_depend_t
*compound_depend
, hash_table_t
* hash
, char * depend_str
);
31 static depend_t
* depend_init(void);
32 static char ** add_unresolved_dep(pkg_t
* pkg
, char ** the_lost
, int ref_ndx
);
33 static char ** merge_unresolved(char ** oldstuff
, char ** newstuff
);
34 static int is_pkg_in_pkg_vec(pkg_vec_t
* vec
, pkg_t
* pkg
);
36 static int pkg_installed_and_constraint_satisfied(pkg_t
*pkg
, void *cdata
)
38 depend_t
*depend
= (depend_t
*)cdata
;
39 if ((pkg
->state_status
== SS_INSTALLED
|| pkg
->state_status
== SS_UNPACKED
) && version_constraints_satisfied(depend
, pkg
))
45 static int pkg_constraint_satisfied(pkg_t
*pkg
, void *cdata
)
47 depend_t
*depend
= (depend_t
*)cdata
;
48 if (version_constraints_satisfied(depend
, pkg
))
54 /* returns ndependences or negative error value */
55 int pkg_hash_fetch_unsatisfied_dependencies(opkg_conf_t
*conf
, pkg_t
* pkg
,
56 pkg_vec_t
*unsatisfied
, char *** unresolved
)
58 pkg_t
* satisfier_entry_pkg
;
62 abstract_pkg_t
* ab_pkg
;
65 * this is a setup to check for redundant/cyclic dependency checks,
66 * which are marked at the abstract_pkg level
68 if (!(ab_pkg
= pkg
->parent
)) {
69 fprintf(stderr
, "%s:%d: something terribly wrong with pkg %s\n", __FUNCTION__
, __LINE__
, pkg
->name
);
73 if (ab_pkg
->dependencies_checked
) { /* avoid duplicate or cyclic checks */
77 ab_pkg
->dependencies_checked
= 1; /* mark it for subsequent visits */
81 count
= pkg
->pre_depends_count
+ pkg
->depends_count
+ pkg
->recommends_count
+ pkg
->suggests_count
;
89 /* foreach dependency */
90 for (i
= 0; i
< count
; i
++) {
91 compound_depend_t
* compound_depend
= &pkg
->depends
[i
];
92 depend_t
** possible_satisfiers
= compound_depend
->possibilities
;;
94 satisfier_entry_pkg
= NULL
;
96 if (compound_depend
->type
== GREEDY_DEPEND
) {
97 /* foreach possible satisfier */
98 for (j
= 0; j
< compound_depend
->possibility_count
; j
++) {
99 /* foreach provided_by, which includes the abstract_pkg itself */
100 abstract_pkg_t
*abpkg
= possible_satisfiers
[j
]->pkg
;
101 abstract_pkg_vec_t
*ab_provider_vec
= abpkg
->provided_by
;
102 int nposs
= ab_provider_vec
->len
;
103 abstract_pkg_t
**ab_providers
= ab_provider_vec
->pkgs
;
105 for (l
= 0; l
< nposs
; l
++) {
106 pkg_vec_t
*test_vec
= ab_providers
[l
]->pkgs
;
107 /* if no depends on this one, try the first package that Provides this one */
108 if (!test_vec
){ /* no pkg_vec hooked up to the abstract_pkg! (need another feed?) */
112 /* cruise this possiblity's pkg_vec looking for an installed version */
113 for (k
= 0; k
< test_vec
->len
; k
++) {
114 pkg_t
*pkg_scout
= test_vec
->pkgs
[k
];
115 /* not installed, and not already known about? */
116 if ((pkg_scout
->state_want
!= SW_INSTALL
)
117 && !pkg_scout
->parent
->dependencies_checked
118 && !is_pkg_in_pkg_vec(unsatisfied
, pkg_scout
)) {
119 char ** newstuff
= NULL
;
121 pkg_vec_t
*tmp_vec
= pkg_vec_alloc ();
122 /* check for not-already-installed dependencies */
123 rc
= pkg_hash_fetch_unsatisfied_dependencies(conf
,
127 if (newstuff
== NULL
) {
130 for (i
= 0; i
< rc
; i
++) {
131 pkg_t
*p
= tmp_vec
->pkgs
[i
];
132 if (p
->state_want
== SW_INSTALL
)
134 opkg_message(conf
, OPKG_DEBUG
, "not installing %s due to requirement for %s\n", pkg_scout
->name
, p
->name
);
138 pkg_vec_free (tmp_vec
);
140 /* mark this one for installation */
141 opkg_message(conf
, OPKG_NOTICE
, "Adding satisfier for greedy dependence: %s\n", pkg_scout
->name
);
142 pkg_vec_insert(unsatisfied
, pkg_scout
);
145 opkg_message(conf
, OPKG_DEBUG
, "not installing %s due to broken depends \n", pkg_scout
->name
);
156 /* foreach possible satisfier, look for installed package */
157 for (j
= 0; j
< compound_depend
->possibility_count
; j
++) {
158 /* foreach provided_by, which includes the abstract_pkg itself */
159 depend_t
*dependence_to_satisfy
= possible_satisfiers
[j
];
160 abstract_pkg_t
*satisfying_apkg
= possible_satisfiers
[j
]->pkg
;
161 pkg_t
*satisfying_pkg
=
162 pkg_hash_fetch_best_installation_candidate(conf
, satisfying_apkg
,
163 pkg_installed_and_constraint_satisfied
,
164 dependence_to_satisfy
, 1, NULL
);
165 /* Being that I can't test constraing in pkg_hash, I will test it here */
166 if (satisfying_pkg
!= NULL
) {
167 if (!pkg_installed_and_constraint_satisfied ( satisfying_pkg
,dependence_to_satisfy
)) {
168 satisfying_pkg
= NULL
;
171 opkg_message(conf
, OPKG_DEBUG
, "%s:%d: satisfying_pkg=%p \n", __FILE__
, __LINE__
, satisfying_pkg
);
172 if (satisfying_pkg
!= NULL
) {
178 /* if nothing installed matches, then look for uninstalled satisfier */
180 /* foreach possible satisfier, look for installed package */
181 for (j
= 0; j
< compound_depend
->possibility_count
; j
++) {
182 /* foreach provided_by, which includes the abstract_pkg itself */
183 depend_t
*dependence_to_satisfy
= possible_satisfiers
[j
];
184 abstract_pkg_t
*satisfying_apkg
= possible_satisfiers
[j
]->pkg
;
185 pkg_t
*satisfying_pkg
=
186 pkg_hash_fetch_best_installation_candidate(conf
, satisfying_apkg
,
187 pkg_constraint_satisfied
,
188 dependence_to_satisfy
, 1, NULL
);
189 /* Being that I can't test constraing in pkg_hash, I will test it here too */
190 if (satisfying_pkg
!= NULL
) {
191 if (!pkg_constraint_satisfied ( satisfying_pkg
,dependence_to_satisfy
)) {
192 satisfying_pkg
= NULL
;
196 /* user request overrides package recommendation */
197 if (satisfying_pkg
!= NULL
198 && (compound_depend
->type
== RECOMMEND
|| compound_depend
->type
== SUGGEST
)
199 && (satisfying_pkg
->state_want
== SW_DEINSTALL
|| satisfying_pkg
->state_want
== SW_PURGE
)) {
200 opkg_message (conf
, OPKG_NOTICE
, "%s: ignoring recommendation for %s at user request\n",
201 pkg
->name
, satisfying_pkg
->name
);
205 opkg_message(conf
, OPKG_DEBUG
, "%s:%d: satisfying_pkg=%p\n", __FILE__
, __LINE__
, satisfying_pkg
);
206 if (satisfying_pkg
!= NULL
) {
207 satisfier_entry_pkg
= satisfying_pkg
;
213 /* we didn't find one, add something to the unsatisfied vector */
215 if (!satisfier_entry_pkg
) {
216 /* failure to meet recommendations is not an error */
217 if (compound_depend
->type
!= RECOMMEND
&& compound_depend
->type
!= SUGGEST
)
218 the_lost
= add_unresolved_dep(pkg
, the_lost
, i
);
220 opkg_message (conf
, OPKG_NOTICE
, "%s: unsatisfied recommendation for %s\n",
221 pkg
->name
, compound_depend
->possibilities
[0]->pkg
->name
);
224 if (compound_depend
->type
== SUGGEST
) {
225 /* just mention it politely */
226 opkg_message (conf
, OPKG_NOTICE
, "package %s suggests installing %s\n",
227 pkg
->name
, satisfier_entry_pkg
->name
);
229 char ** newstuff
= NULL
;
231 if (satisfier_entry_pkg
!= pkg
&&
232 !is_pkg_in_pkg_vec(unsatisfied
, satisfier_entry_pkg
)) {
233 pkg_vec_insert(unsatisfied
, satisfier_entry_pkg
);
234 pkg_hash_fetch_unsatisfied_dependencies(conf
,
238 the_lost
= merge_unresolved(the_lost
, newstuff
);
244 *unresolved
= the_lost
;
246 return unsatisfied
->len
;
249 /*checking for conflicts !in replaces
250 If a packages conflicts with another but is also replacing it, I should not consider it a
252 returns 0 if conflicts <> replaces or 1 if conflicts == replaces
254 int is_pkg_a_replaces(pkg_t
*pkg_scout
,pkg_t
*pkg
)
257 int replaces_count
= pkg
->replaces_count
;
258 abstract_pkg_t
**replaces
;
260 if (pkg
->replaces_count
==0) // No replaces, it's surely a conflict
263 replaces
= pkg
->replaces
;
265 for (i
= 0; i
< replaces_count
; i
++) {
266 if (strcmp(pkg_scout
->name
,pkg
->replaces
[i
]->name
)==0) { // Found
267 opkg_message(NULL
, OPKG_DEBUG2
, "Seems I've found a replace %s %s \n",pkg_scout
->name
,pkg
->replaces
[i
]->name
);
276 /* Abhaya: added support for conflicts */
277 pkg_vec_t
* pkg_hash_fetch_conflicts(hash_table_t
* hash
, pkg_t
* pkg
)
279 pkg_vec_t
* installed_conflicts
, * test_vec
;
280 compound_depend_t
* conflicts
;
281 depend_t
** possible_satisfiers
;
282 depend_t
* possible_satisfier
;
285 abstract_pkg_t
* ab_pkg
;
290 * this is a setup to check for redundant/cyclic dependency checks,
291 * which are marked at the abstract_pkg level
293 if(!(ab_pkg
= pkg
->parent
)){
294 fprintf(stderr
, "dependency check error. pkg %s isn't in hash table\n", pkg
->name
);
295 return (pkg_vec_t
*)NULL
;
298 conflicts
= pkg
->conflicts
;
300 return (pkg_vec_t
*)NULL
;
302 installed_conflicts
= pkg_vec_alloc();
304 count
= pkg
->conflicts_count
;
308 /* foreach conflict */
309 for(i
= 0; i
< pkg
->conflicts_count
; i
++){
311 possible_satisfiers
= conflicts
->possibilities
;
313 /* foreach possible satisfier */
314 for(j
= 0; j
< conflicts
->possibility_count
; j
++){
315 possible_satisfier
= possible_satisfiers
[j
];
316 if (!possible_satisfier
)
317 fprintf(stderr
, "%s:%d: possible_satisfier is null\n", __FUNCTION__
, __LINE__
);
318 if (!possible_satisfier
->pkg
)
319 fprintf(stderr
, "%s:%d: possible_satisfier->pkg is null\n", __FUNCTION__
, __LINE__
);
320 test_vec
= possible_satisfier
->pkg
->pkgs
;
322 /* pkg_vec found, it is an actual package conflict
323 * cruise this possiblity's pkg_vec looking for an installed version */
324 pkg_scouts
= test_vec
->pkgs
;
325 for(k
= 0; k
< test_vec
->len
; k
++){
326 pkg_scout
= pkg_scouts
[k
];
328 fprintf(stderr
, "%s: null pkg scout\n", __FUNCTION__
);
331 if ((pkg_scout
->state_status
== SS_INSTALLED
|| pkg_scout
->state_want
== SW_INSTALL
) &&
332 version_constraints_satisfied(possible_satisfier
, pkg_scout
) && !is_pkg_a_replaces(pkg_scout
,pkg
)){
333 if (!is_pkg_in_pkg_vec(installed_conflicts
, pkg_scout
)){
334 pkg_vec_insert(installed_conflicts
, pkg_scout
);
343 if (installed_conflicts
->len
)
344 return installed_conflicts
;
345 pkg_vec_free(installed_conflicts
);
346 return (pkg_vec_t
*)NULL
;
349 int version_constraints_satisfied(depend_t
* depends
, pkg_t
* pkg
)
354 if(depends
->constraint
== NONE
)
359 parse_version(temp
, depends
->version
);
361 comparison
= pkg_compare_versions(pkg
, temp
);
363 free (temp
->version
);
366 if((depends
->constraint
== EARLIER
) &&
369 else if((depends
->constraint
== LATER
) &&
372 else if(comparison
== 0)
374 else if((depends
->constraint
== LATER_EQUAL
) &&
377 else if((depends
->constraint
== EARLIER_EQUAL
) &&
384 int pkg_dependence_satisfiable(opkg_conf_t
*conf
, depend_t
*depend
)
386 abstract_pkg_t
*apkg
= depend
->pkg
;
387 abstract_pkg_vec_t
*provider_apkgs
= apkg
->provided_by
;
388 int n_providers
= provider_apkgs
->len
;
389 abstract_pkg_t
**apkgs
= provider_apkgs
->pkgs
;
395 for (i
= 0; i
< n_providers
; i
++) {
396 abstract_pkg_t
*papkg
= apkgs
[i
];
397 pkg_vec
= papkg
->pkgs
;
399 n_pkgs
= pkg_vec
->len
;
400 for (j
= 0; j
< n_pkgs
; j
++) {
401 pkg_t
*pkg
= pkg_vec
->pkgs
[j
];
402 if (version_constraints_satisfied(depend
, pkg
)) {
411 int pkg_dependence_satisfied(opkg_conf_t
*conf
, depend_t
*depend
)
413 abstract_pkg_t
*apkg
= depend
->pkg
;
414 abstract_pkg_vec_t
*provider_apkgs
= apkg
->provided_by
;
415 int n_providers
= provider_apkgs
->len
;
416 abstract_pkg_t
**apkgs
= provider_apkgs
->pkgs
;
421 for (i
= 0; i
< n_providers
; i
++) {
422 abstract_pkg_t
*papkg
= apkgs
[i
];
423 pkg_vec_t
*pkg_vec
= papkg
->pkgs
;
425 n_pkgs
= pkg_vec
->len
;
426 for (j
= 0; j
< n_pkgs
; j
++) {
427 pkg_t
*pkg
= pkg_vec
->pkgs
[j
];
428 if (version_constraints_satisfied(depend
, pkg
)) {
429 if (pkg
->state_status
== SS_INSTALLED
|| pkg
->state_status
== SS_UNPACKED
)
438 static int is_pkg_in_pkg_vec(pkg_vec_t
* vec
, pkg_t
* pkg
)
441 pkg_t
** pkgs
= vec
->pkgs
;
443 for(i
= 0; i
< vec
->len
; i
++)
444 if((strcmp(pkg
->name
, (*(pkgs
+ i
))->name
) == 0)
445 && (pkg_compare_versions(pkg
, *(pkgs
+ i
)) == 0)
446 && (strcmp(pkg
->architecture
, (*(pkgs
+ i
))->architecture
) == 0))
452 * pkg_replaces returns 1 if pkg->replaces contains one of replacee's provides and 0
455 int pkg_replaces(pkg_t
*pkg
, pkg_t
*replacee
)
457 abstract_pkg_t
**replaces
= pkg
->replaces
;
458 int replaces_count
= pkg
->replaces_count
;
459 int replacee_provides_count
= replacee
->provides_count
;
461 for (i
= 0; i
< replaces_count
; i
++) {
462 abstract_pkg_t
*abstract_replacee
= replaces
[i
];
463 for (j
= 0; j
< replacee_provides_count
; j
++) {
464 if (replacee
->provides
[j
] == abstract_replacee
)
473 * pkg_conflicts_abstract returns 1 if pkg->conflicts contains conflictee and 0
476 int pkg_conflicts_abstract(pkg_t
*pkg
, abstract_pkg_t
*conflictee
)
478 compound_depend_t
*conflicts
= pkg
->conflicts
;
479 int conflicts_count
= pkg
->conflicts_count
;
481 for (i
= 0; i
< conflicts_count
; i
++) {
482 int possibility_count
= conflicts
[i
].possibility_count
;
483 struct depend
**possibilities
= conflicts
[i
].possibilities
;
484 for (j
= 0; j
< possibility_count
; j
++) {
485 if (possibilities
[j
]->pkg
== conflictee
) {
494 * pkg_conflicts returns 1 if pkg->conflicts contains one of
495 * conflictee's provides and 0 otherwise.
497 int pkg_conflicts(pkg_t
*pkg
, pkg_t
*conflictee
)
499 compound_depend_t
*conflicts
= pkg
->conflicts
;
500 int conflicts_count
= pkg
->conflicts_count
;
501 abstract_pkg_t
**conflictee_provides
= conflictee
->provides
;
502 int conflictee_provides_count
= conflictee
->provides_count
;
504 int possibility_count
;
505 struct depend
**possibilities
;
506 abstract_pkg_t
*possibility
;
508 for (i
= 0; i
< conflicts_count
; i
++) {
509 possibility_count
= conflicts
[i
].possibility_count
;
510 possibilities
= conflicts
[i
].possibilities
;
511 for (j
= 0; j
< possibility_count
; j
++) {
512 possibility
= possibilities
[j
]->pkg
;
513 for (k
= 0; k
< conflictee_provides_count
; k
++) {
514 if (possibility
== conflictee_provides
[k
]) {
523 static char ** merge_unresolved(char ** oldstuff
, char ** newstuff
)
525 int oldlen
= 0, newlen
= 0;
532 while(oldstuff
&& oldstuff
[oldlen
]) oldlen
++;
533 while(newstuff
&& newstuff
[newlen
]) newlen
++;
535 result
= xrealloc(oldstuff
, sizeof(char *) * (oldlen
+ newlen
+ 1));
537 for(i
= oldlen
, j
= 0; i
< (oldlen
+ newlen
); i
++, j
++)
538 *(result
+ i
) = *(newstuff
+ j
);
540 *(result
+ i
) = NULL
;
546 * a kinda kludgy way to back out depends str from two different arrays (reg'l'r 'n pre)
547 * this is null terminated, no count is carried around
549 char ** add_unresolved_dep(pkg_t
* pkg
, char ** the_lost
, int ref_ndx
)
553 char *depend_str
= pkg_depend_str(pkg
, ref_ndx
);
556 while(the_lost
&& the_lost
[count
]) count
++;
558 count
++; /* need one to hold the null */
559 resized
= xrealloc(the_lost
, sizeof(char *) * (count
+ 1));
560 resized
[count
- 1] = xstrdup(depend_str
);
561 resized
[count
] = NULL
;
566 void buildProvides(hash_table_t
* hash
, abstract_pkg_t
* ab_pkg
, pkg_t
* pkg
)
570 /* every pkg provides itself */
571 pkg
->provides_count
++;
572 abstract_pkg_vec_insert(ab_pkg
->provided_by
, ab_pkg
);
573 pkg
->provides
= xcalloc(pkg
->provides_count
, sizeof(abstract_pkg_t
*));
574 pkg
->provides
[0] = ab_pkg
;
576 for (i
=1; i
<pkg
->provides_count
; i
++) {
577 abstract_pkg_t
*provided_abpkg
= ensure_abstract_pkg_by_name(hash
,
578 pkg
->provides_str
[i
-1]);
580 pkg
->provides
[i
] = provided_abpkg
;
582 abstract_pkg_vec_insert(provided_abpkg
->provided_by
, ab_pkg
);
586 /* Abhaya: added conflicts support */
587 void buildConflicts(hash_table_t
* hash
, abstract_pkg_t
* ab_pkg
, pkg_t
* pkg
)
590 compound_depend_t
* conflicts
;
592 if (!pkg
->conflicts_count
)
595 conflicts
= pkg
->conflicts
= xcalloc(pkg
->conflicts_count
, sizeof(compound_depend_t
));
596 for (i
= 0; i
< pkg
->conflicts_count
; i
++) {
597 conflicts
->type
= CONFLICTS
;
598 parseDepends(conflicts
, hash
,
599 pkg
->conflicts_str
[i
]);
604 void buildReplaces(hash_table_t
* hash
, abstract_pkg_t
* ab_pkg
, pkg_t
* pkg
)
608 if (!pkg
->replaces_count
)
611 pkg
->replaces
= xcalloc(pkg
->replaces_count
, sizeof(abstract_pkg_t
*));
613 for(i
= 0; i
< pkg
->replaces_count
; i
++){
614 abstract_pkg_t
*old_abpkg
= ensure_abstract_pkg_by_name(hash
, pkg
->replaces_str
[i
]);
616 pkg
->replaces
[i
] = old_abpkg
;
618 if (!old_abpkg
->replaced_by
)
619 old_abpkg
->replaced_by
= abstract_pkg_vec_alloc();
620 /* if a package pkg both replaces and conflicts old_abpkg,
621 * then add it to the replaced_by vector so that old_abpkg
622 * will be upgraded to ab_pkg automatically */
623 if (pkg_conflicts_abstract(pkg
, old_abpkg
))
624 abstract_pkg_vec_insert(old_abpkg
->replaced_by
, ab_pkg
);
628 void buildDepends(hash_table_t
* hash
, pkg_t
* pkg
)
632 compound_depend_t
* depends
;
634 if(!(count
= pkg
->pre_depends_count
+ pkg
->depends_count
+ pkg
->recommends_count
+ pkg
->suggests_count
))
637 depends
= pkg
->depends
= xcalloc(count
, sizeof(compound_depend_t
));
639 for(i
= 0; i
< pkg
->pre_depends_count
; i
++){
640 parseDepends(depends
, hash
, pkg
->pre_depends_str
[i
]);
641 depends
->type
= PREDEPEND
;
645 for(i
= 0; i
< pkg
->depends_count
; i
++){
646 parseDepends(depends
, hash
, pkg
->depends_str
[i
]);
650 for(i
= 0; i
< pkg
->recommends_count
; i
++){
651 parseDepends(depends
, hash
, pkg
->recommends_str
[i
]);
652 depends
->type
= RECOMMEND
;
656 for(i
= 0; i
< pkg
->suggests_count
; i
++){
657 parseDepends(depends
, hash
, pkg
->suggests_str
[i
]);
658 depends
->type
= SUGGEST
;
664 * pkg_depend_string: returns the depends string specified by index.
665 * All 4 kinds of dependences: dependence, pre-dependence, recommend, and suggest are number starting from 0.
666 * [0,npredepends) -> returns pre_depends_str[index]
667 * [npredepends,npredepends+nrecommends) -> returns recommends_str[index]
668 * [npredepends+nrecommends,npredepends+nrecommends+nsuggests) -> returns recommends_str[index]
669 * [npredepends+nrecommends+nsuggests,npredepends+nrecommends+nsuggests+ndepends) -> returns depends_str[index]
671 char *pkg_depend_str(pkg_t
*pkg
, int index
)
673 if (index
< pkg
->pre_depends_count
) {
674 return pkg
->pre_depends_str
[index
];
676 index
-= pkg
->pre_depends_count
;
678 if (index
< pkg
->depends_count
) {
679 return pkg
->depends_str
[index
];
681 index
-= pkg
->depends_count
;
683 if (index
< pkg
->recommends_count
) {
684 return pkg
->recommends_str
[index
];
686 index
-= pkg
->recommends_count
;
688 if (index
< pkg
->suggests_count
) {
689 return pkg
->suggests_str
[index
];
692 fprintf(stderr
, "pkg_depend_str: index %d out of range for pkg=%s\n", index
, pkg
->name
);
697 * WARNING: This function assumes pre_depends and depends are at the
698 * start of the pkg->depends array.
700 void buildDependedUponBy(pkg_t
* pkg
, abstract_pkg_t
* ab_pkg
)
702 compound_depend_t
* depends
;
703 int count
, othercount
;
705 abstract_pkg_t
* ab_depend
;
706 abstract_pkg_t
** temp
;
708 count
= pkg
->pre_depends_count
+ pkg
->depends_count
;
709 depends
= pkg
->depends
;
711 for (i
= 0; i
< count
; i
++) {
712 for (j
= 0; j
< depends
->possibility_count
; j
++){
713 ab_depend
= depends
->possibilities
[j
]->pkg
;
714 if(!ab_depend
->depended_upon_by
)
715 ab_depend
->depended_upon_by
= xcalloc(1, sizeof(abstract_pkg_t
*));
717 temp
= ab_depend
->depended_upon_by
;
725 ab_depend
->depended_upon_by
= xrealloc(ab_depend
->depended_upon_by
,
726 (othercount
+ 1) * sizeof(abstract_pkg_t
*));
727 /* the array may have moved */
728 temp
= ab_depend
->depended_upon_by
+ othercount
;
735 static depend_t
* depend_init(void)
737 depend_t
* d
= xcalloc(1, sizeof(depend_t
));
738 d
->constraint
= NONE
;
745 static int parseDepends(compound_depend_t
*compound_depend
,
746 hash_table_t
* hash
, char * depend_str
)
748 char * pkg_name
, buffer
[2048];
752 depend_t
** possibilities
;
754 /* first count the number of ored possibilities for satisfying dependency */
760 compound_depend
->type
= DEPEND
;
762 compound_depend
->possibility_count
= num_of_ors
+ 1;
763 possibilities
= xcalloc((num_of_ors
+ 1), sizeof(depend_t
*) );
764 compound_depend
->possibilities
= possibilities
;
767 for(i
= 0; i
< num_of_ors
+ 1; i
++){
768 possibilities
[i
] = depend_init();
769 /* gobble up just the name first */
778 pkg_name
= trim_xstrdup(buffer
);
779 if (pkg_name
== NULL
)
782 /* now look at possible version info */
784 /* skip to next chars */
786 while(*src
&& isspace(*src
)) src
++;
788 /* extract constraint and version */
791 if(!strncmp(src
, "<<", 2)){
792 possibilities
[i
]->constraint
= EARLIER
;
795 else if(!strncmp(src
, "<=", 2)){
796 possibilities
[i
]->constraint
= EARLIER_EQUAL
;
799 else if(!strncmp(src
, ">=", 2)){
800 possibilities
[i
]->constraint
= LATER_EQUAL
;
803 else if(!strncmp(src
, ">>", 2)){
804 possibilities
[i
]->constraint
= LATER
;
807 else if(!strncmp(src
, "=", 1)){
808 possibilities
[i
]->constraint
= EQUAL
;
811 /* should these be here to support deprecated designations; dpkg does */
812 else if(!strncmp(src
, "<", 1)){
813 possibilities
[i
]->constraint
= EARLIER_EQUAL
;
816 else if(!strncmp(src
, ">", 1)){
817 possibilities
[i
]->constraint
= LATER_EQUAL
;
821 /* now we have any constraint, pass space to version string */
822 while(isspace(*src
)) src
++;
824 /* this would be the version string */
826 while(*src
&& *src
!= ')')
830 possibilities
[i
]->version
= trim_xstrdup(buffer
);
831 /* fprintf(stderr, "let's print the depends version string:");
832 fprintf(stderr, "version %s\n", possibilities[i]->version);*/
833 if (possibilities
[i
]->version
== NULL
)
838 /* hook up the dependency to its abstract pkg */
839 possibilities
[i
]->pkg
= ensure_abstract_pkg_by_name(hash
, pkg_name
);
843 /* now get past the ) and any possible | chars */
851 compound_depend
->type
= GREEDY_DEPEND
;