From a149a838d16fd4d54d7e3d21f2a8368aadefb1ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexe=C3=AF=20KADIR?= <alexei.kadir@gmail.com>
Date: Sun, 18 Feb 2024 13:20:30 +0100
Subject: [PATCH] Implemented entry resetting

---
 src/entry.c | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/src/entry.c b/src/entry.c
index 1126f60..3b62eae 100644
--- a/src/entry.c
+++ b/src/entry.c
@@ -200,11 +200,13 @@ Status ListEntries(char*** _entries) {
 		if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
 			continue;
 
+		// Check if the entry exists (this checks for validity)
 		bool exists;
 		Status status = DoesEntryExist(entry->d_name, &exists);
 		if (status != SUCCESS || !exists)
 			continue;
 
+		// Allocate memory for the new entry list
 		char** new_entries = realloc(*_entries, (count + 2) * sizeof(char*)); // +2 for the new entry and the NULL terminator
 		if (new_entries == NULL) {
 			Log(LOG_LEVEL_ERROR, "Failed to reallocate memory for the entries list (%s).", strerror(errno));
@@ -351,6 +353,60 @@ Status RemoveEntryDisk(const char* entry_identifier) {
 	return SUCCESS;
 }
 
+Status ResetEntryDisk(const char* entry_identifier, const char* backing_identifier) {
+	// Check if the disk exists
+	bool exists;
+	Status status = DoesEntryDiskExist(entry_identifier, &exists);
+	if (status != SUCCESS)
+		return status;
+
+	if (!exists) {
+		Log(LOG_LEVEL_ERROR, "The disk for the entry '%s' does not exist.", entry_identifier);
+		return FAILURE;
+	}
+
+	// Get the backing disk path
+	char* backing_disk_path = NULL;
+	if (backing_identifier != NULL) {
+		status = GetBackingDiskPath(backing_identifier, &backing_disk_path);
+		if (status != SUCCESS)
+			return status;
+	}
+
+	// Get the disk path
+	char* entry_disk_path = NULL;
+	status = GetEntryDiskPath(entry_identifier, &entry_disk_path);
+	if (status != SUCCESS) {
+		free(backing_disk_path);
+		return status;
+	}
+
+	// Get the disk info
+	DiskInfo disk_info;
+	status = GetDiskInfo(entry_disk_path, &disk_info);
+	if (status != SUCCESS) {
+		free(backing_disk_path);
+		free(entry_disk_path);
+		return status;
+	}
+
+	// If no backing disk is specified, use the current backing disk
+	if (backing_disk_path == NULL)
+		backing_disk_path = disk_info.backing_file;
+
+	// Reset the disk
+	if (backing_disk_path != NULL)
+		status = CreateBackedDisk(entry_disk_path, backing_disk_path);
+	else
+		status = CreateRootDisk(entry_disk_path, disk_info.size);
+
+	FreeDiskInfo(&disk_info);
+	free(backing_disk_path);
+	free(entry_disk_path);
+
+	return status;
+}
+
 Status TrimEntryDisk(const char* entry_identifier) {
 	// Check if the disk exists
 	bool exists;