libopkg: check installed reverse dependencies upon install/upgrade
[oweals/opkg-lede.git] / libopkg / pkg.h
index 15f580cb872d4420a4a9981e626c4af362ed8e2d..f03bbb4c9a296b1f38fc239b9cffb2ade02fe5d6 100644 (file)
@@ -18,9 +18,8 @@
 #ifndef PKG_H
 #define PKG_H
 
-#include "config.h"
-
 #include <sys/types.h>
+#include <libubox/blob.h>
 
 #include "pkg_vec.h"
 #include "str_list.h"
@@ -32,7 +31,9 @@
 
 struct opkg_conf;
 
+#ifndef ARRAY_SIZE
 #define ARRAY_SIZE(array) sizeof(array) / sizeof((array)[0])
+#endif
 
 /* I think "Size" is currently the shortest field name */
 #define PKG_MINIMUM_FIELD_NAME_LEN 4
@@ -57,6 +58,8 @@ enum pkg_state_flag {
        SF_MARKED = 64,         /* temporary mark */
        SF_FILELIST_CHANGED = 128,      /* needs filelist written */
        SF_USER = 256,
+       SF_NEED_DETAIL = 512,
+       SF_IGNORE = 1024,               /* ignore this package in dependency checks */
        SF_LAST_STATE_FLAG
 };
 typedef enum pkg_state_flag pkg_state_flag_t;
@@ -75,6 +78,32 @@ enum pkg_state_status {
 };
 typedef enum pkg_state_status pkg_state_status_t;
 
+enum pkg_fields {
+       PKG_MAINTAINER,
+       PKG_PRIORITY,
+       PKG_SOURCE,
+       PKG_TAGS,
+       PKG_SECTION,
+       PKG_EPOCH,
+       PKG_FILENAME,
+       PKG_LOCAL_FILENAME,
+       PKG_VERSION,
+       PKG_REVISION,
+       PKG_DESCRIPTION,
+       PKG_MD5SUM,
+       PKG_SHA256SUM,
+       PKG_SIZE,
+       PKG_INSTALLED_SIZE,
+       PKG_INSTALLED_TIME,
+       PKG_TMP_UNPACK_DIR,
+       PKG_REPLACES,
+       PKG_PROVIDES,
+       PKG_DEPENDS,
+       PKG_CONFLICTS,
+       PKG_CONFFILES,
+       PKG_ALTERNATIVES,
+};
+
 struct abstract_pkg {
        char *name;
        int dependencies_checked;
@@ -91,6 +120,24 @@ struct abstract_pkg {
 
 #include "pkg_depends.h"
 
+enum pkg_alternative_field {
+       PAF_PRIO,
+       PAF_PATH,
+       PAF_ALTPATH,
+       __PAF_MAX,
+};
+
+struct pkg_alternative {
+       int prio;
+       char *path;
+       char *altpath;
+};
+
+struct pkg_alternatives {
+       int nalts;
+       struct pkg_alternative **alts;
+};
+
 /* 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
@@ -113,57 +160,14 @@ struct abstract_pkg {
    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;
+       pkg_state_want_t state_want:3;
+       pkg_state_flag_t state_flag:11;
+       pkg_state_status_t state_status:4;
 
        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
@@ -171,21 +175,69 @@ struct pkg {
           installed_files list was being freed from an inner loop while
           still being used within an outer loop. */
        int installed_files_ref_cnt;
-       int arch_priority;
 
-       int essential:1;
+       unsigned int essential:1;
 /* Adding this flag, to "force" opkg to choose a "provided_by_hand" package, if there are multiple choice */
-       int provided_by_hand:1;
+       unsigned int provided_by_hand:1;
 
        /* this flag specifies whether the package was installed to satisfy another
         * package's dependancies */
-       int auto_installed:1;
-       int is_upgrade:1;
+       unsigned int auto_installed:1;
+       unsigned int is_upgrade:1;
+
+       unsigned int arch_index:3;
+
+       struct blob_buf blob;
 };
 
 pkg_t *pkg_new(void);
 void pkg_deinit(pkg_t * pkg);
 int pkg_init_from_file(pkg_t * pkg, const char *filename);
+
+void *pkg_set_raw(pkg_t *pkg, int id, const void *val, size_t len);
+void *pkg_get_raw(const pkg_t *pkg, int id);
+
+static inline int pkg_set_int(pkg_t *pkg, int id, int val)
+{
+       int *res = pkg_set_raw(pkg, id, &val, sizeof(val));
+       return res ? *res : 0;
+}
+
+static inline int pkg_get_int(const pkg_t *pkg, int id)
+{
+       int *ptr = pkg_get_raw(pkg, id);
+       return ptr ? *ptr : 0;
+}
+
+char *pkg_set_string(pkg_t *pkg, int id, const char *s);
+
+static inline char *pkg_get_string(const pkg_t *pkg, int id)
+{
+       return (char *) pkg_get_raw(pkg, id);
+}
+
+static inline void * pkg_set_ptr(pkg_t *pkg, int id, void *ptr)
+{
+       void **res = pkg_set_raw(pkg, id, &ptr, sizeof(ptr));
+       return res ? *res : NULL;
+}
+
+static inline void * pkg_get_ptr(const pkg_t *pkg, int id)
+{
+       void **ptr = pkg_get_raw(pkg, id);
+       return ptr ? *ptr : NULL;
+}
+
+char *pkg_set_architecture(pkg_t *pkg, const char *architecture, ssize_t len);
+char *pkg_get_architecture(const pkg_t *pkg);
+int pkg_get_arch_priority(const pkg_t *pkg);
+
+char *pkg_get_md5(const pkg_t *pkg);
+char *pkg_set_md5(pkg_t *pkg, const char *cksum);
+
+char *pkg_get_sha256(const pkg_t *pkg);
+char *pkg_set_sha256(pkg_t *pkg, const char *cksum);
+
 abstract_pkg_t *abstract_pkg_new(void);
 
 /*
@@ -196,15 +248,13 @@ 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_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);