[src/trunk]: src Commit the userland portion of the posix_spawn_chdir project...

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/7bfe4b54a0df
branches:  trunk
changeset: 1024848:7bfe4b54a0df
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Nov 07 14:34:30 2021 +0000

description:
Commit the userland portion of the posix_spawn_chdir project by Piyush Sachdeva

diffstat:

 include/spawn.h                        |   6 +++-
 lib/libc/gen/posix_spawn_fileactions.c |  46 +++++++++++++++++++++++++++++++++-
 2 files changed, 50 insertions(+), 2 deletions(-)

diffs (80 lines):

diff -r fb3490a05d23 -r 7bfe4b54a0df include/spawn.h
--- a/include/spawn.h   Sun Nov 07 14:04:34 2021 +0000
+++ b/include/spawn.h   Sun Nov 07 14:34:30 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: spawn.h,v 1.4 2012/02/22 17:51:01 martin Exp $ */
+/*     $NetBSD: spawn.h,v 1.5 2021/11/07 14:34:30 christos Exp $       */
 
 /*-
  * Copyright (c) 2008 Ed Schouten <ed%FreeBSD.org@localhost>
@@ -56,6 +56,10 @@
 int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *, int, int);
 int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *, int);
 
+int posix_spawn_file_actions_addchdir(posix_spawn_file_actions_t * __restrict,
+        const char * __restrict);
+int posix_spawn_file_actions_addfchdir(posix_spawn_file_actions_t *, int);
+
 /*
  * Spawn attributes
  */
diff -r fb3490a05d23 -r 7bfe4b54a0df lib/libc/gen/posix_spawn_fileactions.c
--- a/lib/libc/gen/posix_spawn_fileactions.c    Sun Nov 07 14:04:34 2021 +0000
+++ b/lib/libc/gen/posix_spawn_fileactions.c    Sun Nov 07 14:34:30 2021 +0000
@@ -25,7 +25,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: posix_spawn_fileactions.c,v 1.4 2014/02/02 14:54:39 martin Exp $");
+__RCSID("$NetBSD: posix_spawn_fileactions.c,v 1.5 2021/11/07 14:34:30 christos Exp $");
 
 #include "namespace.h"
 
@@ -171,3 +171,47 @@
 
        return 0;
 }
+
+int
+posix_spawn_file_actions_addchdir(posix_spawn_file_actions_t * __restrict fa,
+               const char * __restrict path)
+{
+       char *dirpath;
+       unsigned int i;
+       int error;
+
+       error = posix_spawn_file_actions_getentry(fa, &i);
+       if (error)
+               return error;
+
+       dirpath = strdup(path);
+       if (dirpath == NULL)
+               return ENOMEM;
+
+       fa->fae[i].fae_action = FAE_CHDIR;
+       fa->fae[i].fae_chdir_path = dirpath;
+       fa->fae[i].fae_fildes = -1;
+       fa->len++;
+
+       return 0;
+}
+
+int
+posix_spawn_file_actions_addfchdir(posix_spawn_file_actions_t *fa, int fildes)
+{
+       unsigned int i;
+       int error;
+
+       if (fildes < 0)
+               return EBADF;
+
+       error = posix_spawn_file_actions_getentry(fa, &i);
+       if (error)
+               return error;
+
+       fa->fae[i].fae_action = FAE_FCHDIR;
+       fa->fae[i].fae_fildes = fildes;
+       fa->len++;
+
+       return 0;
+}