From 35c0d6344a7abeb27c4b43785d9824afd81ac3f1 Mon Sep 17 00:00:00 2001 From: F1rst-Unicorn Date: Sun, 18 Nov 2018 11:38:26 +0100 Subject: Add execvpe support, conditional on platform --- src/unistd.rs | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'src') diff --git a/src/unistd.rs b/src/unistd.rs index aadd3c6b..12f3566a 100644 --- a/src/unistd.rs +++ b/src/unistd.rs @@ -701,6 +701,27 @@ pub fn execvp(filename: &CString, args: &[CString]) -> Result { Err(Error::Sys(Errno::last())) } +/// Replace the current process image with a new one and replicate shell `PATH` +/// searching behavior (see +/// [`execvpe(3)`](http://man7.org/linux/man-pages/man3/exec.3.html)). +/// +/// This functions like a combination of `execvp(2)` and `execve(2)` to pass an +/// environment and have a search path. See these two for additional +/// information. +#[cfg(any(target_os = "haiku", + target_os = "linux", + target_os = "openbsd"))] +pub fn execvpe(filename: &CString, args: &[CString], env: &[CString]) -> Result { + let args_p = to_exec_array(args); + let env_p = to_exec_array(env); + + unsafe { + libc::execvpe(filename.as_ptr(), args_p.as_ptr(), env_p.as_ptr()) + }; + + Err(Error::Sys(Errno::last())) +} + /// Replace the current process image with a new one (see /// [fexecve(2)](http://pubs.opengroup.org/onlinepubs/9699919799/functions/fexecve.html)). /// -- cgit v1.2.3