summaryrefslogtreecommitdiff
path: root/m4/faccessat.m4
diff options
context:
space:
mode:
authorEric Blake <ebb9@byu.net>2009-09-03 13:41:18 -0600
committerEric Blake <ebb9@byu.net>2009-09-03 21:20:52 -0600
commit973333dc422903c68f8a34c9612ef583ed0cb6ff (patch)
tree02f428311a381899122c527ec05b31d5129e6c86 /m4/faccessat.m4
parentbc366ae145683ca7ec1695c69cd2b4ed8f5bc589 (diff)
downloadgnulib-973333dc422903c68f8a34c9612ef583ed0cb6ff.tar.gz
faccessat: new module
* modules/faccessat: New file. * lib/faccessat.m4: Likewise. * m4/faccessat.m4 (gl_FUNC_FACCESSAT): Likewise. * m4/unistd_h.m4 (gl_UNISTD_H_DEFAULTS): Add witness. * modules/unistd (Makefile.am): Use it. * lib/unistd.in.h (faccessat): Declare it. (F_OK, X_OK, W_OK, R_OK): Provide definitions. * lib/fcntl.in.h (AT_SYMLINK_FOLLOW, AT_EACCESS): Likewise. * MODULES.html.sh (File system functions): Mention it. * doc/posix-functions/faccessat.texi (faccessat): Likewise. * doc/posix-headers/fcntl.texi (fcntl.h): Likewise. Signed-off-by: Eric Blake <ebb9@byu.net>
Diffstat (limited to 'm4/faccessat.m4')
-rw-r--r--m4/faccessat.m421
1 files changed, 21 insertions, 0 deletions
diff --git a/m4/faccessat.m4 b/m4/faccessat.m4
new file mode 100644
index 0000000000..f21dc13eed
--- /dev/null
+++ b/m4/faccessat.m4
@@ -0,0 +1,21 @@
+# serial 1
+# See if we need to provide faccessat replacement.
+
+dnl Copyright (C) 2009 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+# Written by Eric Blake.
+
+AC_DEFUN([gl_FUNC_FACCESSAT],
+[
+ AC_REQUIRE([gl_FUNC_OPENAT])
+ AC_REQUIRE([gl_FUNC_EUIDACCESS])
+ AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+ AC_CHECK_FUNCS_ONCE([access])
+ AC_CHECK_FUNCS_ONCE([faccessat])
+ if test $ac_cv_func_faccessat = no; then
+ HAVE_FACCESSAT=0
+ fi
+])