diff options
Diffstat (limited to 'build2/functions-builtin.cxx')
-rw-r--r-- | build2/functions-builtin.cxx | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/build2/functions-builtin.cxx b/build2/functions-builtin.cxx index 350bddf..45ad7df 100644 --- a/build2/functions-builtin.cxx +++ b/build2/functions-builtin.cxx @@ -2,28 +2,24 @@ // copyright : Copyright (c) 2014-2018 Code Synthesis Ltd // license : MIT; see accompanying LICENSE file -#include <cstdlib> // getenv() - #include <build2/function.hxx> #include <build2/variable.hxx> -using namespace std; - namespace build2 { // Return NULL value if an environment variable is not set, untyped value // otherwise. // static inline value - getenv (const string& name) + getvar (const string& name) { - const char* v (::getenv (name.c_str ())); + optional<string> v (getenv (name)); - if (v == nullptr) + if (!v) return value (); names r; - r.emplace_back (to_name (v)); + r.emplace_back (to_name (*v)); return value (move (r)); } @@ -49,12 +45,12 @@ namespace build2 // f["getenv"] = [](string name) { - return getenv (name); + return getvar (name); }; f["getenv"] = [](names name) { - return getenv (convert<string> (move (name))); + return getvar (convert<string> (move (name))); }; } } |