new: add remove operation

include/database.h

@@ -4,7 +4,7 @@
 
 #define HASH_LEN 32
 
-typedef enum lm_query_index {
+enum lm_query_index {
   QUERY_CREATE_PACKAGE_TABLE  = 0,
   QUERY_INSERT_PACKAGE_SINGLE = 1,
   QUERY_SELECT_PACKAGE_SINGLE = 2,
@@ -17,7 +17,20 @@ typedef enum lm_query_index {
   QUERY_SELECT_FILE_ALL       = 9,
   QUERY_UPDATE_FILE_1         = 10,
   QUERY_UPDATE_FILE_2         = 11,
-} lm_query_index_t;
+};
+
+enum lm_columns {
+  FILES_COLUMN_PATH    = 1,
+  FILES_COLUMN_HASH    = 2,
+  FILES_COLUMN_KEEP    = 3,
+  FILES_COLUMN_PACKAGE = 4,
+
+  PACKAGES_COLUMN_NAME    = 1,
+  PACKAGES_COLUMN_DESC    = 2,
+  PACKAGES_COLUMN_VERSION = 3,
+  PACKAGES_COLUMN_SIZE    = 4,
+  PACKAGES_COLUMN_DEPENDS = 5,
+};
 
 extern char *queries[];
 
@@ -34,13 +47,20 @@ typedef struct lm_database {
 
 lm_database_t *lm_database_new(char *path);
 void           lm_database_free(lm_database_t *db);
+bool           lm_database_step_all(sqlite3_stmt *st);
 
 bool lm_database_package_find(
     lm_database_t *db, lm_pkg_t *pkg, char *name);               // finds a package by its name, package stored in *pkg
 bool lm_database_package_next(lm_database_t *db, lm_pkg_t *pkg); // gets the next package in the database
-bool lm_database_packege_add(lm_database_t *db, lm_pkg_t *pkg);  // adds a package to the database
+bool lm_database_package_add(lm_database_t *db, lm_pkg_t *pkg);  // adds a package to the database
 bool lm_database_package_del(lm_database_t *db, lm_pkg_t *pkg);  // delete a package from the database
+void lm_database_package_next_free(
+    lm_database_t *db, lm_pkg_t *pkg); // frees resources used for lm_database_package_next
 
+size_t lm_database_files_count(
+    lm_database_t *db, lm_pkg_t *pkg); // returns the count of files associated with a package
+bool lm_database_files_contains(
+    lm_database_t *db, lm_pkg_t *pkg, char *path); // check if a package contains the given file
 bool lm_database_files_matches(
     lm_database_t *db, char *path, char *hash);               // checks if the given file matches with the given hash
 bool lm_database_files_iskeep(lm_database_t *db, char *path); // checks if the given file is marked as keep
@@ -49,6 +69,8 @@ bool lm_database_files_next(
 bool lm_database_files_add(
     lm_database_t *db, lm_pkg_t *pkg, char *path, char *hash); // adds a file to the files database
 bool lm_database_files_del(lm_database_t *db, lm_pkg_t *pkg);  // dels all files of belonging to a package
+void lm_database_files_next_free(lm_database_t *db, lm_pkg_t *pkg, char **path, char **hash,
+    bool *keep); // frees resources used for lm_database_files_next
 
 bool  lm_database_changes_update(lm_database_t *db, lm_pkg_t *pkg, char *file);
 char *lm_database_changes_get(lm_database_t *db, lm_pkg_t *pkg);

include/error.h

@@ -1,7 +1,6 @@
 #pragma once
 
-#define lm_strerror_dup()                                                                                              \
-  { strdup(lm_strerror()) }
+#define lm_strerror_dup() {strdup(lm_strerror())}
 
 typedef enum lm_error {
   LM_ERR_NoError               = 0,
@@ -117,7 +116,16 @@ typedef enum lm_error {
   LM_ERR_RecvNotCompleted      = 109,
   LM_ERR_DbSqlSelectFail       = 110,
   LM_ERR_DbSqlDeleteFail       = 111,
-
+  LM_ERR_ExtractStatFail       = 112,
+  LM_ERR_PkgFilesAddFail       = 113,
+  LM_ERR_PkgExtractFilesFail   = 114,
+  LM_ERR_PkgDatabaseAddFail    = 115,
+  LM_ERR_PkgAlreadyInstalled   = 116,
+  LM_ERR_PkgNotInstalled       = 117,
+  LM_ERR_PkgFileUnlinkFail     = 118,
+  LM_ERR_PkgDatabaseDelFail    = 119,
+  LM_ERR_PkgFilesDelFail       = 119,
+  LM_ERR_PkgChangesDelFail     = 120,
 } lm_error_t;
 
 typedef struct lm_error_desc {

include/util.h

@@ -1,5 +1,6 @@
 #pragma once
 #include "types.h"
+#include <archive.h>
 #include <libintl.h>
 #include <netinet/in.h>
 #include <stdbool.h>
@@ -28,6 +29,7 @@ bool package_name_valid(char *name);
 
 void pdebug(const char *func, const char *fmt, ...);
 bool parse_host(char *addr, char *host, uint16_t *port);
+bool copy_blocks(struct archive *w, struct archive *r);
 bool extract_archive(char *dst, char *src);
 bool mkdir_ifnot(char *path);
 void sockaddr_to_str(struct sockaddr *addr, char *str);