From 8ab913e97ce39d03ebb7a78dd9a53e524517fa12 Mon Sep 17 00:00:00 2001
From: huangjiahua <hjh4477@outlook.com>
Date: Wed, 3 Jul 2019 20:42:50 +0800
Subject: [PATCH] Change the return value of DB::Delete and DBImpl::Delete to
 bool

---
 include/rsdb/rsdb.h | 2 +-
 src/db.cpp          | 2 +-
 src/db_impl.cpp     | 8 ++++----
 src/db_impl.h       | 2 +-
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/rsdb/rsdb.h b/include/rsdb/rsdb.h
index 48bbd84..ad24c55 100644
--- a/include/rsdb/rsdb.h
+++ b/include/rsdb/rsdb.h
@@ -48,7 +48,7 @@ class DB {
 
     bool Get(const std::string &key, std::string *data);
 
-    int Delete(const std::string &key);
+    bool Delete(const std::string &key);
 
     bool Valid() const;
 
diff --git a/src/db.cpp b/src/db.cpp
index ddc1204..43c9d76 100644
--- a/src/db.cpp
+++ b/src/db.cpp
@@ -36,7 +36,7 @@ bool rsdb::DB::Get(const std::string &key, std::string *data) {
     return ret;
 }
 
-int rsdb::DB::Delete(const std::string &key) {
+bool rsdb::DB::Delete(const std::string &key) {
     Slice key_slice(key);
     return impl_->Delete(key_slice);
 }
diff --git a/src/db_impl.cpp b/src/db_impl.cpp
index 8aced21..9cd9416 100644
--- a/src/db_impl.cpp
+++ b/src/db_impl.cpp
@@ -250,19 +250,19 @@ char *rsdb::DB::DBImpl::DBReadDat() {
     return (this->datbuf);
 }
 
-int rsdb::DB::DBImpl::Delete(const rsdb::Slice &key) {
-    int rc = 0;
+bool rsdb::DB::DBImpl::Delete(const rsdb::Slice &key) {
+    bool ret = true;
 
     if (DBFindAndLock(key, true) == 0) {
         DBDoDelete();
         this->cnt_delok++;
     } else {
-        rc = -1;
+        ret = false;
         this->cnt_delerr++;
     }
     if (un_lock(this->idxfd, this->chainoff, SEEK_SET, 1) < 0)
         err_dump("DBImpl::Delete: un_lock error");
-    return (rc);
+    return ret;
 }
 
 void rsdb::DB::DBImpl::DBDoDelete() {
diff --git a/src/db_impl.h b/src/db_impl.h
index 42b2fe1..4660006 100644
--- a/src/db_impl.h
+++ b/src/db_impl.h
@@ -25,7 +25,7 @@ struct rsdb::DB::DBImpl {
 
     bool Get(const Slice &key, Slice *data);
 
-    int Delete(const Slice &key);
+    bool Delete(const Slice &key);
 
     bool Valid() const;