opkg: trivial, clean up obsolete code, and some typo
[oweals/opkg-lede.git] / libopkg / pkg_depends.h
1 /* pkg_depends.h - the opkg package management system
2
3    Steven M. Ayer
4    
5    Copyright (C) 2002 Compaq Computer Corporation
6
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.
11
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.
16 */
17
18 #ifndef PKG_DEPENDS_H
19 #define PKG_DEPENDS_H
20
21 #include "pkg.h"
22 #include "pkg_hash.h"
23 #include "includes.h"
24
25 enum depend_type {
26     PREDEPEND,
27     DEPEND,
28     CONFLICTS,
29     GREEDY_DEPEND,
30     RECOMMEND,
31     SUGGEST
32 };
33 typedef enum depend_type depend_type_t;
34
35 enum version_constraint {
36     NONE,
37     EARLIER,
38     EARLIER_EQUAL,
39     EQUAL,
40     LATER_EQUAL,
41     LATER
42 };
43 typedef enum version_constraint version_constraint_t;
44
45 struct depend{
46     version_constraint_t constraint;
47     char * version;
48     abstract_pkg_t * pkg;
49 };
50 typedef struct depend depend_t;
51     
52 struct compound_depend{
53     depend_type_t type;
54     int possibility_count;
55     struct depend ** possibilities;
56 };
57 typedef struct compound_depend compound_depend_t;
58
59 #include "hash_table.h"
60
61 int buildProvides(hash_table_t * hash, abstract_pkg_t * ab_pkg, pkg_t * pkg);
62 int buildConflicts(hash_table_t * hash, abstract_pkg_t * ab_pkg, pkg_t * pkg);
63 int buildReplaces(hash_table_t * hash, abstract_pkg_t * ab_pkg, pkg_t * pkg);
64 int buildDepends(hash_table_t * hash, pkg_t * pkg);
65
66 /**
67  * pkg_has_common_provides returns 1 if pkg and replacee both provide
68  * the same abstract package and 0 otherwise.
69  */
70 int pkg_has_common_provides(pkg_t *pkg, pkg_t *replacee);
71
72 /**
73  * pkg_provides returns 1 if pkg->provides contains providee and 0
74  * otherwise.
75  */
76 int pkg_provides_abstract(pkg_t *pkg, abstract_pkg_t *providee);
77
78 /**
79  * pkg_replaces returns 1 if pkg->replaces contains one of replacee's provides and 0
80  * otherwise.
81  */
82 int pkg_replaces(pkg_t *pkg, pkg_t *replacee);
83
84 /**
85  * pkg_conflicts_abstract returns 1 if pkg->conflicts contains conflictee provides and 0
86  * otherwise.
87  */
88 int pkg_conflicts_abstract(pkg_t *pkg, abstract_pkg_t *conflicts);
89
90 /**
91  * pkg_conflicts returns 1 if pkg->conflicts contains one of conflictee's provides and 0
92  * otherwise.
93  */
94 int pkg_conflicts(pkg_t *pkg, pkg_t *conflicts);
95
96 char *pkg_depend_str(pkg_t *pkg, int index);
97 void buildDependedUponBy(pkg_t * pkg, abstract_pkg_t * ab_pkg);
98 void freeDepends(pkg_t *pkg);
99 void printDepends(pkg_t * pkg);
100 int version_constraints_satisfied(depend_t * depends, pkg_t * pkg);
101 int pkg_hash_fetch_unsatisfied_dependencies(opkg_conf_t *conf, pkg_t * pkg, pkg_vec_t *depends, char *** unresolved);
102 pkg_vec_t * pkg_hash_fetch_conflicts(hash_table_t * hash, pkg_t * pkg);
103 int pkg_dependence_satisfiable(opkg_conf_t *conf, depend_t *depend);
104 int pkg_dependence_satisfied(opkg_conf_t *conf, depend_t *depend);
105
106 #endif