1 files changed, 67 insertions, 0 deletions
diff --git a/ports/unix/guts/fchownat.c b/ports/unix/guts/fchownat.c
new file mode 100644
index 0000000..9585fb0
--- /dev/null
+++ b/ports/unix/guts/fchownat.c
@@ -0,0 +1,67 @@
+/* 
+ * Copyright (c) 2008-2010 Wind River Systems; see
+ * guts/COPYRIGHT for information.
+ *
+ * static int
+ * wrap_fchownat(int dirfd, const char *path, uid_t owner, gid_t group, int flags) {
+ *	int rc = -1;
+ */
+ 	pseudo_msg_t *msg;
+	struct stat buf;
+	int save_errno;
+	int doing_link = 0;
+
+#ifdef PSEUDO_NO_REAL_AT_FUNCTIONS
+	if (dirfd != AT_FDCWD) {
+		errno = ENOSYS;
+		return -1;
+	}
+	if (flags & AT_SYMLINK_NOFOLLOW) {
+		rc = real_lstat(path, &buf);
+	} else {
+		rc = real_stat(path, &buf);
+	}
+#else
+	rc = real___fxstatat(_STAT_VER, dirfd, path, &buf, flags);
+#endif
+	if (rc == -1) {
+		return rc;
+	}
+	/* pseudo won't track the ownership, here */
+	if (S_ISLNK(buf.st_mode)) {
+		doing_link = 1;
+	}
+	save_errno = errno;
+
+	if (owner == (uid_t) -1 || group == (gid_t) -1) {
+		msg = pseudo_client_op_plain(OP_STAT, 0, -1, -1, path, &buf);
+		/* copy in any existing values... */
+		if (msg) {
+			if (msg->result == RESULT_SUCCEED) {
+				pseudo_stat_msg_plain(&buf, msg);
+			} else {
+				pseudo_debug(2, "chownat to %d:%d on %d/%s, ino %llu, new file.\n",
+					owner, group, dirfd, path,
+					(unsigned long long) buf.st_ino);
+			}
+		}
+	}
+	/* now override with arguments */
+	if (owner != (uid_t) -1) {
+		buf.st_uid = owner;
+	}
+	if (group != (gid_t) -1) {
+		buf.st_gid = group;
+	}
+	msg = pseudo_client_op_plain(OP_CHOWN, 0, -1, dirfd, path, &buf);
+	if (msg && msg->result != RESULT_SUCCEED) {
+		errno = EPERM;
+		rc = -1;
+	} else {
+		/* just pretend we worked */
+		rc = 0;
+	}
+
+/*	return rc;
+ * }
+ */