diff options
Diffstat (limited to 'src/libutil/util.cc')
| -rw-r--r-- | src/libutil/util.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/libutil/util.cc b/src/libutil/util.cc index b0a2b853e..f4f86c5c8 100644 --- a/src/libutil/util.cc +++ b/src/libutil/util.cc @@ -962,12 +962,14 @@ std::vector<char *> stringsToCharPtrs(const Strings & ss) return res; } - +// Output = "standard out" output stream string runProgram(Path program, bool searchPath, const Strings & args, const std::optional<std::string> & input) { RunOptions opts(program, args); opts.searchPath = searchPath; + // This allows you to refer to a program with a pathname relative to the + // PATH variable. opts.input = input; auto res = runProgram(opts); @@ -978,6 +980,7 @@ string runProgram(Path program, bool searchPath, const Strings & args, return res.second; } +// Output = error code + "standard out" output stream std::pair<int, std::string> runProgram(const RunOptions & options_) { RunOptions options(options_); @@ -1028,6 +1031,8 @@ void runProgram2(const RunOptions & options) if (options.searchPath) execvp(options.program.c_str(), stringsToCharPtrs(args_).data()); + // This allows you to refer to a program with a pathname relative + // to the PATH variable. else execv(options.program.c_str(), stringsToCharPtrs(args_).data()); |