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| author | Boris Kolpackov <boris@codesynthesis.com> | 2020-04-14 11:03:52 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2020-04-14 11:03:52 +0200 |
| commit | 62406eb17325a764b715a69f90484546a87f3386 (patch) | |
| tree | a5c383fb4ab19ee01da7e7c71191a40052cc273d | |
| parent | 2e14b5bb79a27427722a37ccf5f4fa154f4fbd92 (diff) | |
Improve process_path::empty()
| -rw-r--r-- | libbutl/process.mxx | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/libbutl/process.mxx b/libbutl/process.mxx index a03e40f..c52869e 100644 --- a/libbutl/process.mxx +++ b/libbutl/process.mxx @@ -103,8 +103,8 @@ LIBBUTL_MODEXPORT namespace butl // // Note that the call to path_search() below adjust args[0] to point to the // recall path which brings up lifetime issues. To address this this class - // also implements an RAII-based auto-restore of args[0] to its initial - // value. + // also implements an optional RAII-based auto-restore of args[0] to its + // initial value. // class process_path { @@ -118,9 +118,11 @@ LIBBUTL_MODEXPORT namespace butl const char* recall_string () const; const char* effect_string () const; - bool empty () const + bool + empty () const { - return initial == nullptr && recall.empty () && effect.empty (); + return (initial == nullptr || *initial == '\0') && + recall.empty () && effect.empty (); } // Clear recall making it the same as effective. |