From 5dd0d7700fa98197cdadaa2369d789e092cc0f49 Mon Sep 17 00:00:00 2001
From: Soikk
Date: Sun, 7 Aug 2022 15:41:19 +0200
Subject: Added removing things from db. Ref counts update when removing
 things. Added changelog.

---
 include/database.h | 12 ++++++++----
 include/storage.h  | 14 ++++++++++----
 2 files changed, 18 insertions(+), 8 deletions(-)

(limited to 'include')

diff --git a/include/database.h b/include/database.h
index 5f2d99d..1ae65b6 100644
--- a/include/database.h
+++ b/include/database.h
@@ -15,10 +15,6 @@ typedef struct database{
 
 database *newDatabase(char *name);
 
-database *loadDatabase(const char* path);
-
-int storeDatabase(database *db, const char *path);
-
 uint64_t addFile(database *db, char *file);
 
 uint64_t addTag(database *db, char *tag);
@@ -27,10 +23,18 @@ int addFileTag(database *db, char *file, char *tag);
 
 int addFileTags(database *db, char *file, int ntags, ...);
 
+int removeFile(database *db, char *file);
+
+int removeTag(database *db, char *tag);
+
 int searchFile(database *db, char *file, uint64_t n, uint64_t **r, uint64_t *rl);
 
 int searchTag(database *db, char *tag, uint64_t n, uint64_t **r, uint64_t *rl);
 
+int storeDatabase(database *db, const char *path);
+
+database *loadDatabase(const char* path);
+
 void printDatabase(database *db);
 
 void debugAVLtree(node *n);
diff --git a/include/storage.h b/include/storage.h
index 8bfc751..dccfa5f 100644
--- a/include/storage.h
+++ b/include/storage.h
@@ -60,7 +60,7 @@ typedef struct lookupTable{
 	char **table; // They cant be longer than MAXPATH
 } ltable;
 
-// Stores a number (used as the count for files and tags in the mapping table)
+// Stores a number in the index that references the ltable (used as the count for files and tags in the mapping table)
 typedef struct countTable{
 	uint64_t size;
 	uint64_t *table;
@@ -94,6 +94,8 @@ ltable *newLtable(uint64_t size);
 
 int ltableAdd(ltable *lt, char *str);
 
+int ltableRemove(ltable *lt, char *str);
+
 uint64_t ltableSearch(ltable *lt, char *str);
 
 int storeLtable(const ltable *lt, FILE *fp);
@@ -106,7 +108,7 @@ ctable *newCtable(uint64_t size);
 
 int ctableAdd(ctable *ct, uint64_t n);
 
-int ctableDelete(ctable *ct, uint64_t n);
+int ctableRemove(ctable *ct, uint64_t n);
 
 uint64_t ctableSearch(ctable *ct, uint64_t n);
 
@@ -120,6 +122,12 @@ mtable *newMtable(uint64_t size);
 
 int mtableAdd(mtable *mt, relation r);
 
+int mtableRemove(mtable *mt, relation r);
+
+int mtableRemoveFile(mtable *mt, uint64_t file);
+
+int mtableRemoveTag(mtable *mt, uint64_t tag);
+
 uint64_t mtableSearch(mtable *mt, relation r);
 
 uint64_t mtableSearchFile(mtable *mt, uint64_t file);
@@ -132,8 +140,6 @@ mtable *loadMtable(FILE *fp);
 
 // AVL TREE
 
-uint64_t height(node *n);
-
 node *newNode(uint64_t h, uint64_t i);
 
 node *insertNode(node *r, uint64_t h, uint64_t i);
-- 
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