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Diffstat (limited to 'nihil.posix/fexecvp.ccm')
| -rw-r--r-- | nihil.posix/fexecvp.ccm | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/nihil.posix/fexecvp.ccm b/nihil.posix/fexecvp.ccm new file mode 100644 index 0000000..d61240c --- /dev/null +++ b/nihil.posix/fexecvp.ccm @@ -0,0 +1,37 @@ +// This source code is released into the public domain. +module; + +#include <expected> +#include <filesystem> +#include <format> +#include <string> + +#include "nihil.hh" + +export module nihil.posix:fexecvp; + +#ifdef NIHIL_HAVE_FEXECVE + +import nihil.error; +import :argv; +import :execv; +import :open_in_path; + +namespace nihil { + +// execvp: equivalent to execv, except the command is passed as +// a filename instead of a file descriptor. If the filename is not +// an absolute path, it will be searched for in $PATH. +export [[nodiscard]] auto +fexecvp(std::filesystem::path const &file, argv &&argv) -> std::expected<execv, error> +{ + auto execfd = open_in_path(file); + if (!execfd) + return std::unexpected(error( + std::format("executable not found in path: {}", file))); + return fexecv(std::move(*execfd), std::move(argv)); +} + +} // namespace nihil + +#endif // NIHIL_HAVE_FEXECVE |
