From df552ff53e68dff8ca360adbdbea214ece1d08ee Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Fri, 25 Feb 2022 16:00:00 +0100
Subject: Remove std::string alias (for real this time)

Also use std::string_view in a few more places.
---
 src/libstore/profiles.cc | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

(limited to 'src/libstore/profiles.cc')

diff --git a/src/libstore/profiles.cc b/src/libstore/profiles.cc
index 73163424c..3e4188188 100644
--- a/src/libstore/profiles.cc
+++ b/src/libstore/profiles.cc
@@ -15,12 +15,12 @@ namespace nix {
 
 /* Parse a generation name of the format
    `<profilename>-<number>-link'. */
-static std::optional<GenerationNumber> parseName(const string & profileName, const string & name)
+static std::optional<GenerationNumber> parseName(const std::string & profileName, const std::string & name)
 {
-    if (string(name, 0, profileName.size() + 1) != profileName + "-") return {};
-    string s = string(name, profileName.size() + 1);
-    string::size_type p = s.find("-link");
-    if (p == string::npos) return {};
+    if (name.substr(0, profileName.size() + 1) != profileName + "-") return {};
+    auto s = name.substr(profileName.size() + 1);
+    auto p = s.find("-link");
+    if (p == std::string::npos) return {};
     if (auto n = string2Int<unsigned int>(s.substr(0, p)))
         return *n;
     else
@@ -209,13 +209,13 @@ void deleteGenerationsOlderThan(const Path & profile, time_t t, bool dryRun)
 }
 
 
-void deleteGenerationsOlderThan(const Path & profile, const string & timeSpec, bool dryRun)
+void deleteGenerationsOlderThan(const Path & profile, std::string_view timeSpec, bool dryRun)
 {
     if (timeSpec.empty() || timeSpec[timeSpec.size() - 1] != 'd')
         throw UsageError("invalid number of days specifier '%1%', expected something like '14d'", timeSpec);
 
     time_t curTime = time(0);
-    string strDays = string(timeSpec, 0, timeSpec.size() - 1);
+    auto strDays = timeSpec.substr(0, timeSpec.size() - 1);
     auto days = string2Int<int>(strDays);
 
     if (!days || *days < 1)
@@ -274,7 +274,7 @@ void lockProfile(PathLocks & lock, const Path & profile)
 }
 
 
-string optimisticLockProfile(const Path & profile)
+std::string optimisticLockProfile(const Path & profile)
 {
     return pathExists(profile) ? readLink(profile) : "";
 }
-- 
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