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 24 enum depend_type { 25 UNSPEC, 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 void buildProvides(abstract_pkg_t * ab_pkg, pkg_t * pkg); 60 void buildConflicts(pkg_t * pkg); 61 void buildReplaces(abstract_pkg_t * ab_pkg, pkg_t * pkg); 62 void buildDepends(pkg_t * pkg); 63 64 void parse_deplist(pkg_t *pkg, enum depend_type type, char *list); 65 66 abstract_pkg_t **init_providelist(pkg_t *pkg, int *count); 67 void parse_providelist(pkg_t *pkg, char *list); 68 void parse_replacelist(pkg_t *pkg, char *list); 69 70 /** 71 * pkg_replaces returns 1 if pkg->replaces contains one of replacee's provides and 0 72 * otherwise. 73 */ 74 int pkg_replaces(pkg_t * pkg, pkg_t * replacee); 75 76 /** 77 * pkg_conflicts_abstract returns 1 if pkg->conflicts contains conflictee provides and 0 78 * otherwise. 79 */ 80 int pkg_conflicts_abstract(pkg_t * pkg, abstract_pkg_t * conflicts); 81 82 /** 83 * pkg_conflicts returns 1 if pkg->conflicts contains one of conflictee's provides and 0 84 * otherwise. 85 */ 86 int pkg_conflicts(pkg_t * pkg, pkg_t * conflicts); 87 88 char *pkg_depend_str(pkg_t * pkg, int index); 89 void buildDependedUponBy(pkg_t * pkg, abstract_pkg_t * ab_pkg); 90 int version_constraints_satisfied(depend_t * depends, pkg_t * pkg); 91 int pkg_hash_fetch_unsatisfied_dependencies(pkg_t * pkg, pkg_vec_t * depends, 92 char ***unresolved, int pre_check); 93 pkg_vec_t *pkg_hash_fetch_conflicts(pkg_t * pkg); 94 int pkg_dependence_satisfiable(depend_t * depend); 95 const char *constraint_to_str(enum version_constraint c); 96 97 compound_depend_t *pkg_get_depends(pkg_t *pkg, enum depend_type type); 98 99 #endif 100
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