diff options
| -rw-r--r-- | libbutl/process.ixx | 10 | ||||
| -rw-r--r-- | libbutl/process.mxx | 10 |
2 files changed, 19 insertions, 1 deletions
diff --git a/libbutl/process.ixx b/libbutl/process.ixx index c7459c8..17c5daa 100644 --- a/libbutl/process.ixx +++ b/libbutl/process.ixx @@ -79,6 +79,16 @@ namespace butl return effect.empty () ? recall_string () : effect.string ().c_str (); } + inline void process_path:: + clear_recall () + { + if (!effect.empty ()) + { + recall = std::move (effect); + effect.clear (); + } + } + // process_exit // #ifdef _WIN32 diff --git a/libbutl/process.mxx b/libbutl/process.mxx index 7a331da..a0c021c 100644 --- a/libbutl/process.mxx +++ b/libbutl/process.mxx @@ -124,6 +124,11 @@ LIBBUTL_MODEXPORT namespace butl return initial == nullptr && recall.empty () && effect.empty (); } + // Clear recall making it the same as effective. + // + void + clear_recall (); + // Moveable-only type. // process_path (process_path&&); @@ -406,7 +411,10 @@ LIBBUTL_MODEXPORT namespace butl // (like calling process' directory and, gasp, CWD on Windows). // // If the paths argument is not NULL, search in this list of paths rather - // than in the PATH environment variable. + // than in the PATH environment variable. Note that in this case you may + // want to clear the recall path (process_path::clear_recall()) since the + // path won't be "recallable" (unless you've passed a cache of the PATH + // environment variable or some such). // static process_path path_search (const char*& args0, |