From 96f27792e4c3936db5513496f87a33155c9eeca3 Mon Sep 17 00:00:00 2001
From: nishi <nishi@d4a5a174-5a4a-5b4b-b672-37683c10d7d5>
Date: Wed, 22 May 2024 00:53:24 +0000
Subject: [PATCH] adding stuff

git-svn-id: file:///raid/svn-main/nishi-dataworks/trunk@59 d4a5a174-5a4a-5b4b-b672-37683c10d7d5
---
 Client/main.c         | 16 ++++++++++++++++
 Library/database.c    | 14 ++++++++++++--
 Library/dw_database.h | 22 +++++++++++++++++++++-
 3 files changed, 49 insertions(+), 3 deletions(-)

diff --git a/Client/main.c b/Client/main.c
index d7b6863..c7b221b 100644
--- a/Client/main.c
+++ b/Client/main.c
@@ -150,6 +150,22 @@ int main(int argc, char** argv) {
 					printf("Quits from the CLI.\n");
 					padleft(16, ".version");
 					printf("Shows the version of DataWorks.\n");
+					padleft(16, ".tables");
+					printf("Shows the table list.\n");
+				} else if(__dw_strcaseequ(buf, ".tables")){
+					char** list = dataworks_database_get_table_list(db);
+					if(list != NULL){
+						int i;
+						for(i = 0; list[i] != NULL; i++);
+						printf("%d tables found.\n", i);
+						for(i = 0; list[i] != NULL; i++){
+							printf("  %s\n", list[i]);
+							free(list[i]);
+						}
+						free(list);
+					}else{
+						printf("Failed to get the list.\n");
+					}
 				} else {
 					printf("Unknown dot-command.\n");
 				}
diff --git a/Library/database.c b/Library/database.c
index 2f2a90c..98c3a19 100644
--- a/Library/database.c
+++ b/Library/database.c
@@ -40,7 +40,6 @@ const char sig[3] = {0x7f, 'D', 'W'};
 
 #ifdef M_I86
 #define BUFSIZE 128
-#else
 #endif
 
 int dataworks_database_create(const char* fname) {
@@ -60,7 +59,7 @@ int dataworks_database_create(const char* fname) {
 	fwrite(nul, 1, 2, f);
 	int64_t t = time(NULL);
 	__dw_big_endian(t, int64_t, fwrite(__converted_ptr, 1, 8, f));
-	for(i = 0; i < 16; i++) nul[i] = 0;
+	for(i = 0; i < sizeof(nul); i++) nul[i] = 0;
 	for(i = 0; i < 256; i++) {
 		fwrite(nul, 1, 1, f);
 		fwrite(nul, 1, 8, f);
@@ -119,3 +118,14 @@ struct dataworks_db* dataworks_database_open(const char* fname) {
 int dataworks_database_get_version(struct dataworks_db* db) { return db->version; }
 
 uint64_t dataworks_database_get_mtime(struct dataworks_db* db) { return db->mtime; }
+
+char** dataworks_database_get_table_list(struct dataworks_db* db){
+	if(db->version == 1){
+		__dw_lockfile(db->fp);
+		fseek(db->fp, sizeof(sig) + 10, SEEK_SET);
+		__dw_unlockfile(db->fp);
+	}else{
+		/* Not implemented for the version */
+		return NULL;
+	}
+}
diff --git a/Library/dw_database.h b/Library/dw_database.h
index 99924ba..aadb897 100644
--- a/Library/dw_database.h
+++ b/Library/dw_database.h
@@ -83,7 +83,18 @@ struct dataworks_db_v1_indexentry {
 	uint8_t dbname_len;
 	char dbname[256];
 	char fields[4096];
-};
+} __attribute__((__packed__));
+
+/**
+ * @~english
+ * @brief infoentry for database.
+ * @note See \ref FORMATv1 for more info.
+ *
+ */
+struct dataworks_db_infoentry {
+	uint16_t version;
+	uint64_t mtime;
+} __attribute__((__packed__));
 
 /**
  * @~english
@@ -124,6 +135,15 @@ int dataworks_database_get_version(struct dataworks_db* db);
  */
 uint64_t dataworks_database_get_mtime(struct dataworks_db* db);
 
+/**
+ * @~english
+ * @brief Get the table list of the database.
+ * @param db Database
+ * @return Table list of the databas 
+ *
+ */
+char** dataworks_database_get_table_list(struct dataworks_db* db);
+
 #ifdef __cplusplus
 }
 #endif
-- 
2.43.0