Merge "liblp: convert more functions to use string_view"
am: 09963adb21

Change-Id: Iaf3e878281c608e6e40fdd4a106baca625c9d949
diff --git a/fs_mgr/liblp/builder.cpp b/fs_mgr/liblp/builder.cpp
index 8a74745..c91fbe4 100644
--- a/fs_mgr/liblp/builder.cpp
+++ b/fs_mgr/liblp/builder.cpp
@@ -45,7 +45,7 @@
     return true;
 }
 
-Partition::Partition(const std::string& name, const std::string& group_name, uint32_t attributes)
+Partition::Partition(std::string_view name, std::string_view group_name, uint32_t attributes)
     : name_(name), group_name_(group_name), attributes_(attributes), size_(0) {}
 
 void Partition::AddExtent(std::unique_ptr<Extent>&& extent) {
@@ -436,10 +436,10 @@
 }
 
 Partition* MetadataBuilder::AddPartition(const std::string& name, uint32_t attributes) {
-    return AddPartition(name, std::string(kDefaultGroup), attributes);
+    return AddPartition(name, kDefaultGroup, attributes);
 }
 
-Partition* MetadataBuilder::AddPartition(const std::string& name, const std::string& group_name,
+Partition* MetadataBuilder::AddPartition(std::string_view name, std::string_view group_name,
                                          uint32_t attributes) {
     if (name.empty()) {
         LERROR << "Partition must have a non-empty name.";
@@ -457,7 +457,7 @@
     return partitions_.back().get();
 }
 
-Partition* MetadataBuilder::FindPartition(const std::string& name) {
+Partition* MetadataBuilder::FindPartition(std::string_view name) {
     for (const auto& partition : partitions_) {
         if (partition->name() == name) {
             return partition.get();
@@ -958,7 +958,7 @@
     return names;
 }
 
-void MetadataBuilder::RemoveGroupAndPartitions(const std::string& group_name) {
+void MetadataBuilder::RemoveGroupAndPartitions(std::string_view group_name) {
     if (group_name == kDefaultGroup) {
         // Cannot remove the default group.
         return;
diff --git a/fs_mgr/liblp/include/liblp/builder.h b/fs_mgr/liblp/include/liblp/builder.h
index 5f854c5..e3b591a 100644
--- a/fs_mgr/liblp/include/liblp/builder.h
+++ b/fs_mgr/liblp/include/liblp/builder.h
@@ -108,7 +108,7 @@
     friend class MetadataBuilder;
 
   public:
-    Partition(const std::string& name, const std::string& group_name, uint32_t attributes);
+    Partition(std::string_view name, std::string_view group_name, uint32_t attributes);
 
     // Add a raw extent.
     void AddExtent(std::unique_ptr<Extent>&& extent);
@@ -214,7 +214,7 @@
 
     // Add a partition, returning a handle so it can be sized as needed. If a
     // partition with the given name already exists, nullptr is returned.
-    Partition* AddPartition(const std::string& name, const std::string& group_name,
+    Partition* AddPartition(std::string_view name, std::string_view group_name,
                             uint32_t attributes);
 
     // Same as AddPartition above, but uses the default partition group which
@@ -225,7 +225,7 @@
     void RemovePartition(const std::string& name);
 
     // Find a partition by name. If no partition is found, nullptr is returned.
-    Partition* FindPartition(const std::string& name);
+    Partition* FindPartition(std::string_view name);
 
     // Find a group by name. If no group is found, nullptr is returned.
     PartitionGroup* FindGroup(std::string_view name);
@@ -269,7 +269,7 @@
     std::vector<std::string> ListGroups() const;
 
     // Remove all partitions belonging to a group, then remove the group.
-    void RemoveGroupAndPartitions(const std::string& group_name);
+    void RemoveGroupAndPartitions(std::string_view group_name);
 
     // Set the LP_METADATA_AUTO_SLOT_SUFFIXING flag.
     void SetAutoSlotSuffixing();