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authorP. J. McDermott <pjm@nac.net>2012-02-09 10:56:43 (EST)
committer P. J. McDermott <pjm@nac.net>2012-02-09 10:56:43 (EST)
commitf431cd1a48a6a5186633bf5f16a2d21cb4399e8c (patch)
tree337e36fd9d7884fcf76ba769ab7b0039f52d9d31 /src/libopkg/.svn/text-base/pkg.h.svn-base
Initial commit.
TODO: Copyright information. Including source code and a patch to add files generated by GNU Autoconf is not very pretty... Running 'make dist' in the SVN trunk to generate a source archive might be better.
Diffstat (limited to 'src/libopkg/.svn/text-base/pkg.h.svn-base')
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+/* pkg.h - the opkg package management system
+
+ Carl D. Worth
+
+ Copyright (C) 2001 University of Southern California
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+*/
+
+#ifndef PKG_H
+#define PKG_H
+
+#include "config.h"
+
+#include <sys/types.h>
+
+#include "pkg_vec.h"
+#include "str_list.h"
+#include "active_list.h"
+#include "pkg_src.h"
+#include "pkg_dest.h"
+#include "opkg_conf.h"
+#include "conffile_list.h"
+
+struct opkg_conf;
+
+
+#define ARRAY_SIZE(array) sizeof(array) / sizeof((array)[0])
+
+/* I think "Size" is currently the shortest field name */
+#define PKG_MINIMUM_FIELD_NAME_LEN 4
+
+enum pkg_state_want
+{
+ SW_UNKNOWN = 1,
+ SW_INSTALL,
+ SW_DEINSTALL,
+ SW_PURGE,
+ SW_LAST_STATE_WANT
+};
+typedef enum pkg_state_want pkg_state_want_t;
+
+enum pkg_state_flag
+{
+ SF_OK = 0,
+ SF_REINSTREQ = 1,
+ SF_HOLD = 2, /* do not upgrade version */
+ SF_REPLACE = 4, /* replace this package */
+ SF_NOPRUNE = 8, /* do not remove obsolete files */
+ SF_PREFER = 16, /* prefer this version */
+ SF_OBSOLETE = 32, /* old package in upgrade pair */
+ SF_MARKED = 64, /* temporary mark */
+ SF_FILELIST_CHANGED = 128, /* needs filelist written */
+ SF_USER = 256,
+ SF_LAST_STATE_FLAG
+};
+typedef enum pkg_state_flag pkg_state_flag_t;
+#define SF_NONVOLATILE_FLAGS (SF_HOLD|SF_NOPRUNE|SF_PREFER|SF_OBSOLETE|SF_USER)
+
+enum pkg_state_status
+{
+ SS_NOT_INSTALLED = 1,
+ SS_UNPACKED,
+ SS_HALF_CONFIGURED,
+ SS_INSTALLED,
+ SS_HALF_INSTALLED,
+ SS_CONFIG_FILES,
+ SS_POST_INST_FAILED,
+ SS_REMOVAL_FAILED,
+ SS_LAST_STATE_STATUS
+};
+typedef enum pkg_state_status pkg_state_status_t;
+
+struct abstract_pkg{
+ char * name;
+ int dependencies_checked;
+ pkg_vec_t * pkgs;
+ pkg_state_status_t state_status;
+ pkg_state_flag_t state_flag;
+
+ /* XXX: This should be abstract_pkg_vec_t for consistency. */
+ struct abstract_pkg ** depended_upon_by;
+
+ abstract_pkg_vec_t * provided_by;
+ abstract_pkg_vec_t * replaced_by;
+};
+
+#include "pkg_depends.h"
+
+/* XXX: CLEANUP: I'd like to clean up pkg_t in several ways:
+
+ The 3 version fields should go into a single version struct. (This
+ is especially important since, currently, pkg->version can easily
+ be mistaken for pkg_verson_str_alloc(pkg) although they are very
+ distinct. This has been the source of multiple bugs.
+
+ The 3 state fields could possibly also go into their own struct.
+
+ All fields which deal with lists of packages, (Depends,
+ Pre-Depends, Provides, Suggests, Recommends, Enhances), should each
+ be handled by a single struct in pkg_t
+
+ All string fields for which there is a small set of possible
+ values, (section, maintainer, architecture, maybe version?), that
+ are reused among different packages -- for all such packages we
+ should move from "char *"s to some atom datatype to share data
+ storage and use less memory. We might even do reference counting,
+ but probably not since most often we only create new pkg_t structs,
+ we don't often free them. */
+struct pkg
+{
+ char *name;
+ unsigned long epoch;
+ char *version;
+ char *revision;
+ pkg_src_t *src;
+ pkg_dest_t *dest;
+ char *architecture;
+ char *section;
+ char *maintainer;
+ char *description;
+ char *tags;
+ pkg_state_want_t state_want;
+ pkg_state_flag_t state_flag;
+ pkg_state_status_t state_status;
+ char **depends_str;
+ unsigned int depends_count;
+ char **pre_depends_str;
+ unsigned int pre_depends_count;
+ char **recommends_str;
+ unsigned int recommends_count;
+ char **suggests_str;
+ unsigned int suggests_count;
+ struct active_list list; /* Used for installing|upgrading */
+ compound_depend_t * depends;
+
+ char **conflicts_str;
+ compound_depend_t * conflicts;
+ unsigned int conflicts_count;
+
+ char **replaces_str;
+ unsigned int replaces_count;
+ abstract_pkg_t ** replaces;
+
+ char **provides_str;
+ unsigned int provides_count;
+ abstract_pkg_t ** provides;
+
+ abstract_pkg_t *parent;
+
+ char *filename;
+ char *local_filename;
+ char *tmp_unpack_dir;
+ char *md5sum;
+#if defined HAVE_SHA256
+ char *sha256sum;
+#endif
+ unsigned long size; /* in bytes */
+ unsigned long installed_size; /* in bytes */
+ char *priority;
+ char *source;
+ conffile_list_t conffiles;
+ time_t installed_time;
+ /* As pointer for lazy evaluation */
+ str_list_t *installed_files;
+ /* XXX: CLEANUP: I'd like to perhaps come up with a better
+ mechanism to avoid the problem here, (which is that the
+ installed_files list was being freed from an inner loop while
+ still being used within an outer loop. */
+ int installed_files_ref_cnt;
+ int essential;
+ int arch_priority;
+/* Adding this flag, to "force" opkg to choose a "provided_by_hand" package, if there are multiple choice */
+ int provided_by_hand;
+
+ /* this flag specifies whether the package was installed to satisfy another
+ * package's dependancies */
+ int auto_installed;
+};
+
+pkg_t *pkg_new(void);
+void pkg_deinit(pkg_t *pkg);
+int pkg_init_from_file(pkg_t *pkg, const char *filename);
+abstract_pkg_t *abstract_pkg_new(void);
+
+/*
+ * merges fields from newpkg into oldpkg.
+ * Forcibly sets oldpkg state_status, state_want and state_flags
+ */
+int pkg_merge(pkg_t *oldpkg, pkg_t *newpkg);
+
+char *pkg_version_str_alloc(pkg_t *pkg);
+
+int pkg_compare_versions(const pkg_t *pkg, const pkg_t *ref_pkg);
+int pkg_name_version_and_architecture_compare(const void *a, const void *b);
+int abstract_pkg_name_compare(const void *a, const void *b);
+
+void pkg_formatted_info(FILE *fp, pkg_t *pkg);
+void pkg_formatted_field(FILE *fp, pkg_t *pkg, const char *field);
+
+void set_flags_from_control(pkg_t *pkg);
+
+void pkg_print_status(pkg_t * pkg, FILE * file);
+str_list_t *pkg_get_installed_files(pkg_t *pkg);
+void pkg_free_installed_files(pkg_t *pkg);
+void pkg_remove_installed_files_list(pkg_t *pkg);
+conffile_t *pkg_get_conffile(pkg_t *pkg, const char *file_name);
+int pkg_run_script(pkg_t *pkg, const char *script, const char *args);
+
+/* enum mappings */
+pkg_state_want_t pkg_state_want_from_str(char *str);
+pkg_state_flag_t pkg_state_flag_from_str(const char *str);
+pkg_state_status_t pkg_state_status_from_str(const char *str);
+
+int pkg_version_satisfied(pkg_t *it, pkg_t *ref, const char *op);
+
+int pkg_arch_supported(pkg_t *pkg);
+void pkg_info_preinstall_check(void);
+
+int pkg_write_filelist(pkg_t *pkg);
+int pkg_write_changed_filelists(void);
+
+#endif