From d04e04e89a08e577387ec5489b7756f768cc63df Mon Sep 17 00:00:00 2001
From: Ilya Taranov <ilya@taranoff.net>
Date: Fri, 10 Mar 2023 20:23:55 -0800
Subject: [PATCH] Fix config file parsing

---
 src/branches.cpp | 7 +++++--
 tests/tests.cpp  | 3 +++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/branches.cpp b/src/branches.cpp
index e8b2e621..ca087d04 100644
--- a/src/branches.cpp
+++ b/src/branches.cpp
@@ -80,11 +80,14 @@ namespace l
     uint64_t offset;
 
     offset = s_.find_first_not_of("+<>-=");
+    if (offset == std::string::npos) {
+      return;
+    }
+
     if(offset > 1)
       offset = 2;
     *instr_ = s_.substr(0,offset);
-    if(offset != std::string::npos)
-      *values_ = s_.substr(offset);
+    *values_ = s_.substr(offset);
   }
 
   static
diff --git a/tests/tests.cpp b/tests/tests.cpp
index 3c971676..867f4a6d 100644
--- a/tests/tests.cpp
+++ b/tests/tests.cpp
@@ -86,6 +86,9 @@ test_config_branches()
   TEST_CHECK(b->minfreespace() == 1234);
   TEST_CHECK(b.to_string() == "");
 
+  // Parse initial value for branch
+  TEST_CHECK(b.from_string(b.to_string()) == 0);
+
   bcp0 = b;
   TEST_CHECK(b.from_string("/foo/bar") == 0);
   TEST_CHECK(b.to_string() == "/foo/bar=RW");