Add string_view::from_zstr

2 files changed, 23 insertions, 0 deletions

diff --git a/asl/string_view.hpp b/asl/string_view.hpp
index 6c4d867..c869092 100644
--- a/asl/string_view.hpp
+++ b/asl/string_view.hpp
@@ -32,6 +32,11 @@ public:
         ASL_ASSERT(m_data[kSize - 1] == '\0'); // NOLINT(*-pointer-arithmetic)
     }
 
+    static constexpr string_view from_zstr(const char* str)
+    {
+        return string_view(str, asl::strlen(str));
+    }
+
     constexpr string_view(const string_view&) = default;
     constexpr string_view(string_view&&) = default;
 
diff --git a/asl/tests/string_view_tests.cpp b/asl/tests/string_view_tests.cpp
index 798acb5..7175661 100644
--- a/asl/tests/string_view_tests.cpp
+++ b/asl/tests/string_view_tests.cpp
@@ -23,6 +23,24 @@ ASL_TEST(from_literal)
     ASL_TEST_EXPECT(s2.is_empty());
 }
 
+ASL_TEST(from_zstr)
+{
+    const char* s1 = "";
+    const char* s2 = "abc";
+    const char* s3 = "abc\0def";
+
+    auto sv1 = asl::string_view::from_zstr(s1);
+    auto sv2 = asl::string_view::from_zstr(s2);
+    auto sv3 = asl::string_view::from_zstr(s3);
+
+    ASL_TEST_ASSERT(sv1.size() == 0);
+    ASL_TEST_ASSERT(sv2.size() == 3);
+    ASL_TEST_ASSERT(sv3.size() == 3);
+
+    ASL_TEST_ASSERT(sv2 == "abc"_sv);
+    ASL_TEST_ASSERT(sv3 == "abc"_sv);
+}
+
 ASL_TEST(substr1)
 {
     asl::string_view s1 = "abcd";