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.
22 #include "opkg_utils.h"
24 #include "opkg_message.h"
25 #include "pkg_parse.h"
26 #include "hash_table.h"
27 #include "libbb/libbb.h"
29 static int parseDepends(compound_depend_t
* compound_depend
, char *depend_str
, enum depend_type type
);
30 static depend_t
*depend_init(void);
31 static char **add_unresolved_dep(pkg_t
* pkg
, char **the_lost
, int ref_ndx
);
32 static char **merge_unresolved(char **oldstuff
, char **newstuff
);
33 static int is_pkg_in_pkg_vec(pkg_vec_t
* vec
, pkg_t
* pkg
);
35 static int pkg_installed_and_constraint_satisfied(pkg_t
* pkg
, void *cdata
)
37 depend_t
*depend
= (depend_t
*) cdata
;
38 if ((pkg
->state_status
== SS_INSTALLED
39 || pkg
->state_status
== SS_UNPACKED
)
40 && version_constraints_satisfied(depend
, pkg
)
41 && !(pkg
->state_flag
& SF_IGNORE
))
47 static int pkg_constraint_satisfied(pkg_t
* pkg
, void *cdata
)
49 depend_t
*depend
= (depend_t
*) cdata
;
50 if (version_constraints_satisfied(depend
, pkg
)
51 && !(pkg
->state_flag
& SF_IGNORE
))
57 /* returns ndependencies or negative error value */
59 pkg_hash_fetch_unsatisfied_dependencies(pkg_t
* pkg
, pkg_vec_t
* unsatisfied
,
62 pkg_t
*satisfier_entry_pkg
;
66 abstract_pkg_t
*ab_pkg
;
67 compound_depend_t
*compound_depend
;
70 * this is a setup to check for redundant/cyclic dependency checks,
71 * which are marked at the abstract_pkg level
73 if (!(ab_pkg
= pkg
->parent
)) {
74 opkg_msg(ERROR
, "Internal error, with pkg %s.\n", pkg
->name
);
78 if (ab_pkg
->dependencies_checked
) { /* avoid duplicate or cyclic checks */
82 ab_pkg
->dependencies_checked
= 1; /* mark it for subsequent visits */
85 compound_depend
= pkg_get_ptr(pkg
, PKG_DEPENDS
);
87 if (!compound_depend
|| !compound_depend
->type
) {
94 /* foreach dependency */
95 for (i
= 0; compound_depend
&& compound_depend
->type
; compound_depend
++, i
++) {
96 depend_t
**possible_satisfiers
=
97 compound_depend
->possibilities
;;
99 satisfier_entry_pkg
= NULL
;
101 if (compound_depend
->type
== GREEDY_DEPEND
) {
102 /* foreach possible satisfier */
103 for (j
= 0; j
< compound_depend
->possibility_count
; j
++) {
104 /* foreach provided_by, which includes the abstract_pkg itself */
105 abstract_pkg_t
*abpkg
= possible_satisfiers
[j
]->pkg
;
106 abstract_pkg_vec_t
*ab_provider_vec
= abpkg
->provided_by
;
107 int nposs
= ab_provider_vec
->len
;
108 abstract_pkg_t
**ab_providers
= ab_provider_vec
->pkgs
;
110 for (l
= 0; l
< nposs
; l
++) {
111 pkg_vec_t
*test_vec
= ab_providers
[l
]->pkgs
;
112 /* if no depends on this one, try the first package that Provides this one */
113 if (!test_vec
) { /* no pkg_vec hooked up to the abstract_pkg! (need another feed?) */
117 /* cruise this possiblity's pkg_vec looking for an installed version */
118 for (k
= 0; k
< test_vec
->len
; k
++) {
119 pkg_t
*pkg_scout
= test_vec
->pkgs
[k
];
120 /* not installed, and not already known about? */
121 if ((pkg_scout
->state_want
!= SW_INSTALL
)
122 && !pkg_scout
->parent
->dependencies_checked
123 && !is_pkg_in_pkg_vec(unsatisfied
, pkg_scout
)) {
124 char **newstuff
= NULL
;
126 pkg_vec_t
*tmp_vec
= pkg_vec_alloc();
127 /* check for not-already-installed dependencies */
128 rc
= pkg_hash_fetch_unsatisfied_dependencies(
129 pkg_scout
, tmp_vec
, &newstuff
);
130 if (newstuff
== NULL
) {
133 for (m
= 0; m
< rc
; m
++) {
134 pkg_t
*p
= tmp_vec
->pkgs
[m
];
135 if (p
->state_want
== SW_INSTALL
)
138 "Not installing %s due"
139 " to requirement for %s.\n",
140 pkg_scout
->name
, p
->name
);
144 pkg_vec_free(tmp_vec
);
146 /* mark this one for installation */
148 "Adding satisfier for greedy"
151 pkg_vec_insert(unsatisfied
, pkg_scout
);
155 "Not installing %s due to "
168 /* foreach possible satisfier, look for installed package */
169 for (j
= 0; j
< compound_depend
->possibility_count
; j
++) {
170 /* foreach provided_by, which includes the abstract_pkg itself */
171 depend_t
*dependence_to_satisfy
= possible_satisfiers
[j
];
172 abstract_pkg_t
*satisfying_apkg
= possible_satisfiers
[j
]->pkg
;
173 pkg_t
*satisfying_pkg
=
174 pkg_hash_fetch_best_installation_candidate(satisfying_apkg
,
175 pkg_installed_and_constraint_satisfied
,
176 dependence_to_satisfy
, 1);
177 /* Being that I can't test constraing in pkg_hash, I will test it here */
178 if (satisfying_pkg
!= NULL
) {
179 if (!pkg_installed_and_constraint_satisfied
180 (satisfying_pkg
, dependence_to_satisfy
)) {
181 satisfying_pkg
= NULL
;
184 opkg_msg(DEBUG
, "satisfying_pkg=%p\n", satisfying_pkg
);
185 if (satisfying_pkg
!= NULL
) {
191 /* if nothing installed matches, then look for uninstalled satisfier */
193 /* foreach possible satisfier, look for installed package */
194 for (j
= 0; j
< compound_depend
->possibility_count
; j
++) {
195 /* foreach provided_by, which includes the abstract_pkg itself */
196 depend_t
*dependence_to_satisfy
= possible_satisfiers
[j
];
197 abstract_pkg_t
*satisfying_apkg
= possible_satisfiers
[j
]->pkg
;
198 pkg_t
*satisfying_pkg
=
199 pkg_hash_fetch_best_installation_candidate(satisfying_apkg
,
200 pkg_constraint_satisfied
, dependence_to_satisfy
, 1);
201 /* Being that I can't test constraing in pkg_hash, I will test it here too */
202 if (satisfying_pkg
!= NULL
) {
203 if (!pkg_constraint_satisfied(satisfying_pkg
,
204 dependence_to_satisfy
)) {
205 satisfying_pkg
= NULL
;
209 /* user request overrides package recommendation */
210 if (satisfying_pkg
!= NULL
211 && (compound_depend
->type
== RECOMMEND
212 || compound_depend
->type
== SUGGEST
)
213 && (satisfying_pkg
->state_want
== SW_DEINSTALL
214 || satisfying_pkg
->state_want
== SW_PURGE
)) {
216 "%s: ignoring recommendation for "
217 "%s at user request\n",
218 pkg
->name
, satisfying_pkg
->name
);
222 opkg_msg(DEBUG
, "satisfying_pkg=%p\n",
224 if (satisfying_pkg
!= NULL
) {
225 satisfier_entry_pkg
= satisfying_pkg
;
231 /* we didn't find one, add something to the unsatisfied vector */
233 if (!satisfier_entry_pkg
) {
234 /* failure to meet recommendations is not an error */
235 if (compound_depend
->type
!= RECOMMEND
236 && compound_depend
->type
!= SUGGEST
)
237 the_lost
= add_unresolved_dep(pkg
, the_lost
, i
);
240 "%s: unsatisfied recommendation for %s\n",
242 compound_depend
->possibilities
[0]->pkg
->name
);
244 if (compound_depend
->type
== SUGGEST
) {
245 /* just mention it politely */
247 "package %s suggests installing %s\n",
248 pkg
->name
, satisfier_entry_pkg
->name
);
250 char **newstuff
= NULL
;
252 if (satisfier_entry_pkg
!= pkg
&&
253 !is_pkg_in_pkg_vec(unsatisfied
, satisfier_entry_pkg
))
255 pkg_hash_fetch_unsatisfied_dependencies(
256 satisfier_entry_pkg
, unsatisfied
, &newstuff
);
257 pkg_vec_insert(unsatisfied
, satisfier_entry_pkg
);
258 the_lost
= merge_unresolved(the_lost
, newstuff
);
266 *unresolved
= the_lost
;
268 return unsatisfied
->len
;
271 /*checking for conflicts !in replaces
272 If a packages conflicts with another but is also replacing it, I should not consider it a
274 returns 0 if conflicts <> replaces or 1 if conflicts == replaces
276 static int is_pkg_a_replaces(pkg_t
* pkg_scout
, pkg_t
* pkg
)
278 abstract_pkg_t
**replaces
= pkg_get_ptr(pkg
, PKG_REPLACES
);
280 if (!replaces
|| !*replaces
)
284 if (strcmp(pkg_scout
->name
, (*replaces
)->name
) == 0) { // Found
285 opkg_msg(DEBUG2
, "Seems I've found a replace %s %s\n",
286 pkg_scout
->name
, (*replaces
)->name
);
295 pkg_vec_t
*pkg_hash_fetch_conflicts(pkg_t
* pkg
)
297 pkg_vec_t
*installed_conflicts
, *test_vec
;
298 compound_depend_t
*conflicts
, *conflict
;
299 depend_t
**possible_satisfiers
;
300 depend_t
*possible_satisfier
;
302 abstract_pkg_t
*ab_pkg
;
307 * this is a setup to check for redundant/cyclic dependency checks,
308 * which are marked at the abstract_pkg level
310 if (!(ab_pkg
= pkg
->parent
)) {
311 opkg_msg(ERROR
, "Internal error: %s not in hash table\n",
313 return (pkg_vec_t
*) NULL
;
316 conflicts
= pkg_get_ptr(pkg
, PKG_CONFLICTS
);
318 return (pkg_vec_t
*) NULL
;
320 installed_conflicts
= pkg_vec_alloc();
322 /* foreach conflict */
323 for (conflict
= conflicts
; conflict
->type
; conflict
++ ) {
324 possible_satisfiers
= conflicts
->possibilities
;
326 /* foreach possible satisfier */
327 for (j
= 0; j
< conflicts
->possibility_count
; j
++) {
328 possible_satisfier
= possible_satisfiers
[j
];
329 if (!possible_satisfier
)
331 "Internal error: possible_satisfier=NULL\n");
332 if (!possible_satisfier
->pkg
)
334 "Internal error: possible_satisfier->pkg=NULL\n");
335 test_vec
= possible_satisfier
->pkg
->pkgs
;
337 /* pkg_vec found, it is an actual package conflict
338 * cruise this possiblity's pkg_vec looking for an installed version */
339 pkg_scouts
= test_vec
->pkgs
;
340 for (k
= 0; k
< test_vec
->len
; k
++) {
341 pkg_scout
= pkg_scouts
[k
];
344 "Internal error: pkg_scout=NULL\n");
347 if ((pkg_scout
->state_status
== SS_INSTALLED
348 || pkg_scout
->state_want
== SW_INSTALL
)
349 && version_constraints_satisfied(possible_satisfier
,
351 && !is_pkg_a_replaces(pkg_scout
, pkg
)) {
352 if (!is_pkg_in_pkg_vec(installed_conflicts
,
354 pkg_vec_insert(installed_conflicts
, pkg_scout
);
363 if (installed_conflicts
->len
)
364 return installed_conflicts
;
365 pkg_vec_free(installed_conflicts
);
366 return (pkg_vec_t
*) NULL
;
369 int version_constraints_satisfied(depend_t
* depends
, pkg_t
* pkg
)
374 if (depends
->constraint
== NONE
)
379 parse_version(temp
, depends
->version
);
381 comparison
= pkg_compare_versions(pkg
, temp
);
386 if ((depends
->constraint
== EARLIER
) && (comparison
< 0))
388 else if ((depends
->constraint
== LATER
) && (comparison
> 0))
390 else if (comparison
== 0)
392 else if ((depends
->constraint
== LATER_EQUAL
) && (comparison
>= 0))
394 else if ((depends
->constraint
== EARLIER_EQUAL
) && (comparison
<= 0))
400 int pkg_dependence_satisfiable(depend_t
* depend
)
402 abstract_pkg_t
*apkg
= depend
->pkg
;
403 abstract_pkg_vec_t
*provider_apkgs
= apkg
->provided_by
;
404 int n_providers
= provider_apkgs
->len
;
405 abstract_pkg_t
**apkgs
= provider_apkgs
->pkgs
;
411 for (i
= 0; i
< n_providers
; i
++) {
412 abstract_pkg_t
*papkg
= apkgs
[i
];
413 pkg_vec
= papkg
->pkgs
;
415 n_pkgs
= pkg_vec
->len
;
416 for (j
= 0; j
< n_pkgs
; j
++) {
417 pkg_t
*pkg
= pkg_vec
->pkgs
[j
];
418 if (version_constraints_satisfied(depend
, pkg
)) {
427 static int is_pkg_in_pkg_vec(pkg_vec_t
* vec
, pkg_t
* pkg
)
431 pkg_t
**pkgs
= vec
->pkgs
;
432 arch1
= pkg_get_architecture(pkg
);
434 for (i
= 0; i
< vec
->len
; i
++) {
435 arch2
= pkg_get_architecture(*(pkgs
+ i
));
437 if ((strcmp(pkg
->name
, (*(pkgs
+ i
))->name
) == 0)
438 && (pkg_compare_versions(pkg
, *(pkgs
+ i
)) == 0)
439 && (strcmp(arch1
, arch2
) == 0))
446 * pkg_replaces returns 1 if pkg->replaces contains one of replacee's provides and 0
449 int pkg_replaces(pkg_t
* pkg
, pkg_t
* replacee
)
451 abstract_pkg_t
**replaces
= pkg_get_ptr(pkg
, PKG_REPLACES
);
452 abstract_pkg_t
**provides
= pkg_get_ptr(replacee
, PKG_PROVIDES
);
453 abstract_pkg_t
**r
, **p
;
455 for (r
= replaces
; r
&& *r
; r
++)
456 for (p
= provides
; p
&& *p
; p
++)
464 * pkg_conflicts_abstract returns 1 if pkg->conflicts contains conflictee and 0
467 int pkg_conflicts_abstract(pkg_t
* pkg
, abstract_pkg_t
* conflictee
)
469 compound_depend_t
*conflicts
, *conflict
;
471 conflicts
= pkg_get_ptr(pkg
, PKG_CONFLICTS
);
474 for (conflict
= conflicts
; conflict
->type
; conflict
++) {
475 int possibility_count
= conflict
->possibility_count
;
476 struct depend
**possibilities
= conflict
->possibilities
;
477 for (j
= 0; j
< possibility_count
; j
++) {
478 if (possibilities
[j
]->pkg
== conflictee
) {
487 * pkg_conflicts returns 1 if pkg->conflicts contains one of
488 * conflictee's provides and 0 otherwise.
490 int pkg_conflicts(pkg_t
* pkg
, pkg_t
* conflictee
)
493 int possibility_count
;
494 struct depend
**possibilities
;
495 compound_depend_t
*conflicts
, *conflict
;
496 abstract_pkg_t
**conflictee_provides
, **provider
, *possibility
;
498 conflicts
= pkg_get_ptr(pkg
, PKG_CONFLICTS
);
499 conflictee_provides
= pkg_get_ptr(conflictee
, PKG_PROVIDES
);
501 for (conflict
= conflicts
; conflict
->type
; conflict
++) {
502 possibility_count
= conflict
->possibility_count
;
503 possibilities
= conflict
->possibilities
;
504 for (j
= 0; j
< possibility_count
; j
++) {
505 possibility
= possibilities
[j
]->pkg
;
506 for (provider
= conflictee_provides
; provider
&& *provider
; provider
++) {
507 if (possibility
== *provider
) {
516 static char **merge_unresolved(char **oldstuff
, char **newstuff
)
518 int oldlen
= 0, newlen
= 0;
525 while (oldstuff
&& oldstuff
[oldlen
])
527 while (newstuff
&& newstuff
[newlen
])
530 result
= xrealloc(oldstuff
, sizeof(char *) * (oldlen
+ newlen
+ 1));
532 for (i
= oldlen
, j
= 0; i
< (oldlen
+ newlen
); i
++, j
++)
533 *(result
+ i
) = *(newstuff
+ j
);
535 *(result
+ i
) = NULL
;
541 * a kinda kludgy way to back out depends str from two different arrays (reg'l'r 'n pre)
542 * this is null terminated, no count is carried around
544 char **add_unresolved_dep(pkg_t
* pkg
, char **the_lost
, int ref_ndx
)
550 while (the_lost
&& the_lost
[count
])
553 count
++; /* need one to hold the null */
554 resized
= xrealloc(the_lost
, sizeof(char *) * (count
+ 1));
555 resized
[count
- 1] = pkg_depend_str(pkg
, ref_ndx
);
556 resized
[count
] = NULL
;
561 static void flag_related_packages(pkg_t
*pkg
, int state_flags
)
564 compound_depend_t
*deps
;
566 for (deps
= pkg_get_ptr(pkg
, PKG_DEPENDS
), i
= 0; deps
&& deps
[i
].type
; i
++)
567 for (j
= 0; j
< deps
[i
].possibility_count
; j
++) {
568 if ((deps
[i
].possibilities
[j
]->pkg
->state_flag
& state_flags
) != state_flags
) {
569 opkg_msg(DEBUG
, "propagating pkg flag to dependent abpkg %s\n",
570 deps
[i
].possibilities
[j
]->pkg
->name
);
571 deps
[i
].possibilities
[j
]->pkg
->state_flag
|= state_flags
;
575 for (deps
= pkg_get_ptr(pkg
, PKG_CONFLICTS
), i
= 0; deps
&& deps
[i
].type
; i
++)
576 for (j
= 0; j
< deps
[i
].possibility_count
; j
++) {
577 if ((deps
[i
].possibilities
[j
]->pkg
->state_flag
& state_flags
) != state_flags
) {
578 opkg_msg(DEBUG
, "propagating pkg flag to conflicting abpkg %s\n",
579 deps
[i
].possibilities
[j
]->pkg
->name
);
580 deps
[i
].possibilities
[j
]->pkg
->state_flag
|= state_flags
;
585 abstract_pkg_t
**init_providelist(pkg_t
*pkg
, int *count
)
587 abstract_pkg_t
*ab_pkg
;
588 abstract_pkg_t
**provides
= pkg_get_ptr(pkg
, PKG_PROVIDES
);
591 provides
= calloc(2, sizeof(abstract_pkg_t
*));
600 ab_pkg
= ensure_abstract_pkg_by_name(pkg
->name
);
603 ab_pkg
->pkgs
= pkg_vec_alloc();
605 if (!abstract_pkg_vec_contains(ab_pkg
->provided_by
, ab_pkg
))
606 abstract_pkg_vec_insert(ab_pkg
->provided_by
, ab_pkg
);
608 provides
[0] = ab_pkg
;
614 pkg_set_ptr(pkg
, PKG_PROVIDES
, provides
);
617 for (*count
= 1; *provides
; provides
++) {
618 if (pkg
->state_flag
& SF_NEED_DETAIL
) {
619 if (!((*provides
)->state_flag
& SF_NEED_DETAIL
)) {
620 opkg_msg(DEBUG
, "propagating pkg flag to provided abpkg %s\n",
622 (*provides
)->state_flag
|= SF_NEED_DETAIL
;
629 flag_related_packages(pkg
, SF_NEED_DETAIL
);
634 void parse_providelist(pkg_t
*pkg
, char *list
)
638 abstract_pkg_t
*ab_pkg
, *provided_abpkg
, **tmp
, **provides
;
640 provides
= init_providelist(pkg
, &count
);
641 ab_pkg
= ensure_abstract_pkg_by_name(pkg
->name
);
643 if (!provides
|| !ab_pkg
)
646 for (item
= strtok_r(list
, ", ", &tok
); item
;
647 count
++, item
= strtok_r(NULL
, ", ", &tok
)) {
648 tmp
= realloc(provides
, sizeof(abstract_pkg_t
*) * (count
+ 1));
653 provided_abpkg
= ensure_abstract_pkg_by_name(item
);
655 if (provided_abpkg
->state_flag
& SF_NEED_DETAIL
) {
656 if (!(ab_pkg
->state_flag
& SF_NEED_DETAIL
)) {
657 opkg_msg(DEBUG
, "propagating provided abpkg flag to "
658 "provider abpkg %s\n", ab_pkg
->name
);
659 ab_pkg
->state_flag
|= SF_NEED_DETAIL
;
663 if (!abstract_pkg_vec_contains(provided_abpkg
->provided_by
, ab_pkg
))
664 abstract_pkg_vec_insert(provided_abpkg
->provided_by
, ab_pkg
);
667 provides
[count
- 1] = provided_abpkg
;
670 provides
[count
- 1] = NULL
;
672 pkg_set_ptr(pkg
, PKG_PROVIDES
, provides
);
675 void parse_replacelist(pkg_t
*pkg
, char *list
)
679 abstract_pkg_t
*ab_pkg
, *old_abpkg
, **tmp
, **replaces
= NULL
;
681 ab_pkg
= ensure_abstract_pkg_by_name(pkg
->name
);
684 ab_pkg
->pkgs
= pkg_vec_alloc();
686 abstract_pkg_vec_insert(ab_pkg
->provided_by
, ab_pkg
);
688 for (count
= 1, item
= strtok_r(list
, ", ", &tok
);
690 count
++, item
= strtok_r(NULL
, ", ", &tok
), count
++) {
691 tmp
= realloc(replaces
, sizeof(abstract_pkg_t
*) * (count
+ 1));
696 old_abpkg
= ensure_abstract_pkg_by_name(item
);
698 if (pkg
->state_flag
& SF_NEED_DETAIL
) {
699 if (!(old_abpkg
->state_flag
& SF_NEED_DETAIL
)) {
700 opkg_msg(DEBUG
, "propagating pkg flag to replaced abpkg %s\n",
702 old_abpkg
->state_flag
|= SF_NEED_DETAIL
;
706 if (!old_abpkg
->replaced_by
)
707 old_abpkg
->replaced_by
= abstract_pkg_vec_alloc();
709 /* if a package pkg both replaces and conflicts old_abpkg,
710 * then add it to the replaced_by vector so that old_abpkg
711 * will be upgraded to ab_pkg automatically */
712 if (pkg_conflicts_abstract(pkg
, old_abpkg
)) {
713 if (!abstract_pkg_vec_contains(old_abpkg
->replaced_by
, ab_pkg
))
714 abstract_pkg_vec_insert(old_abpkg
->replaced_by
, ab_pkg
);
718 replaces
[count
- 1] = old_abpkg
;
724 replaces
[count
- 1] = NULL
;
726 pkg_set_ptr(pkg
, PKG_REPLACES
, replaces
);
729 void buildProvides(abstract_pkg_t
* ab_pkg
, pkg_t
* pkg
)
734 /* every pkg provides itself */
735 pkg
->provides_count
++;
736 abstract_pkg_vec_insert(ab_pkg
->provided_by
, ab_pkg
);
737 pkg
->provides
= xcalloc(pkg
->provides_count
, sizeof(abstract_pkg_t
*));
738 pkg
->provides
[0] = ab_pkg
;
739 for (i
= 1; i
< pkg
->provides_count
; i
++) {
740 abstract_pkg_t
*provided_abpkg
=
741 ensure_abstract_pkg_by_name(pkg
->provides_str
[i
- 1]);
742 free(pkg
->provides_str
[i
- 1]);
744 pkg
->provides
[i
] = provided_abpkg
;
746 abstract_pkg_vec_insert(provided_abpkg
->provided_by
, ab_pkg
);
748 if (pkg
->provides_str
)
749 free(pkg
->provides_str
);
753 void buildConflicts(pkg_t
* pkg
)
757 compound_depend_t *conflicts, *conflict;
759 if (!pkg->conflicts_count)
762 conflicts = pkg->conflicts =
763 xcalloc(pkg->conflicts_count, sizeof(compound_depend_t));
764 for (i = 0; i < pkg->conflicts_count; i++) {
765 conflicts->type = CONFLICTS;
766 parseDepends(conflicts, pkg->conflicts_str[i]);
767 free(pkg->conflicts_str[i]);
770 if (pkg->conflicts_str)
771 free(pkg->conflicts_str);
775 void buildReplaces(abstract_pkg_t
* ab_pkg
, pkg_t
* pkg
)
780 if (!pkg
->replaces_count
)
783 pkg
->replaces
= xcalloc(pkg
->replaces_count
, sizeof(abstract_pkg_t
*));
785 for (i
= 0; i
< pkg
->replaces_count
; i
++) {
786 abstract_pkg_t
*old_abpkg
=
787 ensure_abstract_pkg_by_name(pkg
->replaces_str
[i
]);
789 pkg
->replaces
[i
] = old_abpkg
;
790 free(pkg
->replaces_str
[i
]);
792 if (!old_abpkg
->replaced_by
)
793 old_abpkg
->replaced_by
= abstract_pkg_vec_alloc();
794 /* if a package pkg both replaces and conflicts old_abpkg,
795 * then add it to the replaced_by vector so that old_abpkg
796 * will be upgraded to ab_pkg automatically */
797 if (pkg_conflicts_abstract(pkg
, old_abpkg
))
798 abstract_pkg_vec_insert(old_abpkg
->replaced_by
, ab_pkg
);
801 if (pkg
->replaces_str
)
802 free(pkg
->replaces_str
);
806 void parse_deplist(pkg_t
*pkg
, enum depend_type type
, char *list
)
810 compound_depend_t
*tmp
, *deps
;
830 deps
= pkg_get_ptr(pkg
, id
);
832 for (tmp
= deps
, count
= 1; tmp
&& tmp
->type
; tmp
++)
835 for (item
= strtok_r(list
, ",", &tok
); item
; item
= strtok_r(NULL
, ",", &tok
), count
++) {
836 tmp
= realloc(deps
, sizeof(compound_depend_t
) * (count
+ 1));
843 memset(deps
+ count
- 1, 0, sizeof(compound_depend_t
));
844 parseDepends(deps
+ count
- 1, item
, type
);
850 memset(deps
+ count
- 1, 0, sizeof(compound_depend_t
));
851 pkg_set_ptr(pkg
, id
, deps
);
854 void buildDepends(pkg_t
* pkg
)
859 compound_depend_t
*depends
;
863 pkg
->pre_depends_count
+ pkg
->depends_count
+
864 pkg
->recommends_count
+ pkg
->suggests_count
))
867 depends
= pkg
->depends
= xcalloc(count
, sizeof(compound_depend_t
));
869 for (i
= 0; i
< pkg
->pre_depends_count
; i
++) {
870 parseDepends(depends
, pkg
->pre_depends_str
[i
]);
871 free(pkg
->pre_depends_str
[i
]);
872 depends
->type
= PREDEPEND
;
875 if (pkg
->pre_depends_str
)
876 free(pkg
->pre_depends_str
);
878 for (i
= 0; i
< pkg
->depends_count
; i
++) {
879 parseDepends(depends
, pkg
->depends_str
[i
]);
880 free(pkg
->depends_str
[i
]);
883 if (pkg
->depends_str
)
884 free(pkg
->depends_str
);
886 for (i
= 0; i
< pkg
->recommends_count
; i
++) {
887 parseDepends(depends
, pkg
->recommends_str
[i
]);
888 free(pkg
->recommends_str
[i
]);
889 depends
->type
= RECOMMEND
;
892 if (pkg
->recommends_str
)
893 free(pkg
->recommends_str
);
895 for (i
= 0; i
< pkg
->suggests_count
; i
++) {
896 parseDepends(depends
, pkg
->suggests_str
[i
]);
897 free(pkg
->suggests_str
[i
]);
898 depends
->type
= SUGGEST
;
901 if (pkg
->suggests_str
)
902 free(pkg
->suggests_str
);
907 const char *constraint_to_str(enum version_constraint c
)
928 * Returns a printable string for pkg's dependency at the specified idx. The
929 * resultant string must be passed to free() by the caller.
931 char *pkg_depend_str(pkg_t
* pkg
, int idx
)
936 compound_depend_t
*cdep
= NULL
, *p
;
939 for (i
= 0, p
= pkg_get_ptr(pkg
, PKG_DEPENDS
); p
&& p
->type
; i
++, p
++)
950 /* calculate string length */
951 for (i
= 0; i
< cdep
->possibility_count
; i
++) {
952 dep
= cdep
->possibilities
[i
];
955 len
+= 3; /* space, pipe, space */
957 len
+= strlen(dep
->pkg
->name
);
960 len
+= 2; /* space, left parenthesis */
961 len
+= 3; /* constraint string (<=, >=, etc), space */
962 len
+= strlen(dep
->version
);
963 len
+= 1; /* right parenthesis */
967 str
= xmalloc(len
+ 1); /* +1 for the NULL terminator */
970 for (i
= 0; i
< cdep
->possibility_count
; i
++) {
971 dep
= cdep
->possibilities
[i
];
974 strncat(str
, " | ", len
);
976 strncat(str
, dep
->pkg
->name
, len
);
979 strncat(str
, " (", len
);
980 strncat(str
, constraint_to_str(dep
->constraint
), len
);
981 strncat(str
, dep
->version
, len
);
982 strncat(str
, ")", len
);
989 void buildDependedUponBy(pkg_t
* pkg
, abstract_pkg_t
* ab_pkg
)
991 compound_depend_t
*depends
;
994 abstract_pkg_t
*ab_depend
;
995 abstract_pkg_t
**temp
;
997 for (depends
= pkg_get_ptr(pkg
, PKG_DEPENDS
); depends
&& depends
->type
; depends
++) {
998 if (depends
->type
!= PREDEPEND
999 && depends
->type
!= DEPEND
&& depends
->type
!= RECOMMEND
)
1001 for (j
= 0; j
< depends
->possibility_count
; j
++) {
1002 ab_depend
= depends
->possibilities
[j
]->pkg
;
1003 if (!ab_depend
->depended_upon_by
) {
1004 ab_depend
->depended_upon_by
=
1005 xcalloc(1, sizeof(abstract_pkg_t
*));
1008 temp
= ab_depend
->depended_upon_by
;
1016 ab_depend
->depended_upon_by
=
1017 xrealloc(ab_depend
->depended_upon_by
,
1019 1) * sizeof(abstract_pkg_t
*));
1021 /* the array may have been moved by realloc */
1022 temp
= ab_depend
->depended_upon_by
+ othercount
;
1028 static depend_t
*depend_init(void)
1030 depend_t
*d
= xcalloc(1, sizeof(depend_t
));
1031 d
->constraint
= NONE
;
1038 static int parseDepends(compound_depend_t
* compound_depend
, char *depend_str
, enum depend_type type
)
1041 char *depend
, *name
, *vstr
, *rest
, *tok
= NULL
;
1042 depend_t
**possibilities
= NULL
, **tmp
;
1044 compound_depend
->type
= type
;
1046 for (i
= 0, depend
= strtok_r(depend_str
, "|", &tok
); depend
; i
++, depend
= strtok_r(NULL
, "|", &tok
)) {
1047 name
= strtok(depend
, " ");
1048 rest
= strtok(NULL
, "\n");
1050 tmp
= realloc(possibilities
, sizeof(tmp
) * (i
+ 1));
1055 possibilities
= tmp
;
1056 possibilities
[i
] = depend_init();
1057 possibilities
[i
]->pkg
= ensure_abstract_pkg_by_name(name
);
1059 if (rest
&& *rest
== '(') {
1060 vstr
= strtok(rest
+ 1, ")");
1062 if (!strncmp(vstr
, "<<", 2)) {
1063 possibilities
[i
]->constraint
= EARLIER
;
1065 } else if (!strncmp(vstr
, "<=", 2)) {
1066 possibilities
[i
]->constraint
= EARLIER_EQUAL
;
1068 } else if (!strncmp(vstr
, ">=", 2)) {
1069 possibilities
[i
]->constraint
= LATER_EQUAL
;
1071 } else if (!strncmp(vstr
, ">>", 2)) {
1072 possibilities
[i
]->constraint
= LATER
;
1074 } else if (!strncmp(vstr
, "=", 1)) {
1075 possibilities
[i
]->constraint
= EQUAL
;
1078 /* should these be here to support deprecated designations; dpkg does */
1079 else if (!strncmp(vstr
, "<", 1)) {
1080 possibilities
[i
]->constraint
= EARLIER_EQUAL
;
1082 } else if (!strncmp(vstr
, ">", 1)) {
1083 possibilities
[i
]->constraint
= LATER_EQUAL
;
1087 possibilities
[i
]->version
= trim_xstrdup(vstr
);
1088 rest
= strtok(NULL
, " ");
1091 rest
= strtok(rest
, " ");
1094 if (rest
&& *rest
== '*')
1095 compound_depend
->type
= GREEDY_DEPEND
;
1098 compound_depend
->possibility_count
= i
;
1099 compound_depend
->possibilities
= possibilities
;
1104 compound_depend_t
*pkg_get_depends(pkg_t
*pkg
, enum depend_type type
)
1106 compound_depend_t
*dep
;
1108 for (dep
= pkg_get_ptr(pkg
, PKG_DEPENDS
); dep
&& dep
->type
; dep
++)
1109 if (type
== UNSPEC
|| dep
->type
== type
)