libopkg: check installed reverse dependencies upon install/upgrade

[oweals/opkg-lede.git] / libopkg / pkg.h

diff --git a/libopkg/pkg.h b/libopkg/pkg.h
index 3237f839e1bd725882c08d59a500ca2ae6a622f8..f03bbb4c9a296b1f38fc239b9cffb2ade02fe5d6 100644 (file)
--- a/libopkg/pkg.h
+++ b/libopkg/pkg.h
@@ -18,8 +18,6 @@
 #ifndef PKG_H
 #define PKG_H
 
-#include "config.h"
-
 #include <sys/types.h>
 #include <libubox/blob.h>
 
@@ -61,6 +59,7 @@ enum pkg_state_flag {
        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;
@@ -102,6 +101,7 @@ enum pkg_fields {
        PKG_DEPENDS,
        PKG_CONFLICTS,
        PKG_CONFFILES,
+       PKG_ALTERNATIVES,
 };
 
 struct abstract_pkg {
@@ -120,6 +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
@@ -158,16 +176,16 @@ struct pkg {
           still being used within an outer loop. */
        int installed_files_ref_cnt;
 
-       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;
 
-       int arch_index:3;
+       unsigned int arch_index:3;
 
        struct blob_buf blob;
 };
@@ -181,12 +199,14 @@ void *pkg_get_raw(const pkg_t *pkg, int id);
 
 static inline int pkg_set_int(pkg_t *pkg, int id, int val)
 {
-       return (intptr_t) pkg_set_raw(pkg, id, &val, sizeof(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)
 {
-       return (intptr_t) pkg_get_raw(pkg, id);
+       int *ptr = pkg_get_raw(pkg, id);
+       return ptr ? *ptr : 0;
 }
 
 char *pkg_set_string(pkg_t *pkg, int id, const char *s);
@@ -198,7 +218,8 @@ static inline char *pkg_get_string(const pkg_t *pkg, int id)
 
 static inline void * pkg_set_ptr(pkg_t *pkg, int id, void *ptr)
 {
-       return ptr ? *(void **) pkg_set_raw(pkg, id, &ptr, sizeof(ptr)) : NULL;
+       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)
@@ -234,8 +255,6 @@ 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);