# sys_stat_h.m4 serial 33   -*- Autoconf -*-

dnl Copyright (C) 2006-2020 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.

dnl From Eric Blake.

dnl Provide a GNU-like <sys/stat.h>.

AC_DEFUN([gl_HEADER_SYS_STAT_H],

[

  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])

  dnl Check for broken stat macros.

  AC_REQUIRE([AC_HEADER_STAT])

  gl_CHECK_NEXT_HEADERS([sys/stat.h])

  dnl Ensure the type mode_t gets defined.

  AC_REQUIRE([AC_TYPE_MODE_T])

  dnl Whether to enable precise timestamps in 'struct stat'.

  m4_ifdef([gl_WINDOWS_STAT_TIMESPEC], [

    AC_REQUIRE([gl_WINDOWS_STAT_TIMESPEC])

  ], [

    WINDOWS_STAT_TIMESPEC=0

  ])

  AC_SUBST([WINDOWS_STAT_TIMESPEC])

  dnl Whether to ensure that struct stat.st_size is 64-bit wide.

  m4_ifdef([gl_LARGEFILE], [

    AC_REQUIRE([gl_LARGEFILE])

  ], [

    WINDOWS_64_BIT_ST_SIZE=0

  ])

  AC_SUBST([WINDOWS_64_BIT_ST_SIZE])

  dnl Define types that are supposed to be defined in <sys/types.h> or

  dnl <sys/stat.h>.

  AC_CHECK_TYPE([nlink_t], [],

    [AC_DEFINE([nlink_t], [int],

       [Define to the type of st_nlink in struct stat, or a supertype.])],

    [#include <sys/types.h>

     #include <sys/stat.h>])

  dnl Check for declarations of anything we want to poison if the

  dnl corresponding gnulib module is not in use.

  gl_WARN_ON_USE_PREPARE([[#include <sys/stat.h>

    ]], [fchmodat fstat fstatat futimens lchmod lstat mkdirat mkfifo mkfifoat

    mknod mknodat stat utimensat])

  AC_REQUIRE([AC_C_RESTRICT])

])

AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR],

[

  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.

  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])

  gl_MODULE_INDICATOR_SET_VARIABLE([$1])

  dnl Define it also as a C macro, for the benefit of the unit tests.

  gl_MODULE_INDICATOR_FOR_TESTS([$1])

])

AC_DEFUN([gl_SYS_STAT_H_DEFAULTS],

[

  AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR

  GNULIB_FCHMODAT=0;    AC_SUBST([GNULIB_FCHMODAT])

  GNULIB_FSTAT=0;       AC_SUBST([GNULIB_FSTAT])

  GNULIB_FSTATAT=0;     AC_SUBST([GNULIB_FSTATAT])

  GNULIB_FUTIMENS=0;    AC_SUBST([GNULIB_FUTIMENS])

  GNULIB_LCHMOD=0;      AC_SUBST([GNULIB_LCHMOD])

  GNULIB_LSTAT=0;       AC_SUBST([GNULIB_LSTAT])

  GNULIB_MKDIRAT=0;     AC_SUBST([GNULIB_MKDIRAT])

  GNULIB_MKFIFO=0;      AC_SUBST([GNULIB_MKFIFO])

  GNULIB_MKFIFOAT=0;    AC_SUBST([GNULIB_MKFIFOAT])

  GNULIB_MKNOD=0;       AC_SUBST([GNULIB_MKNOD])

  GNULIB_MKNODAT=0;     AC_SUBST([GNULIB_MKNODAT])

  GNULIB_STAT=0;        AC_SUBST([GNULIB_STAT])

  GNULIB_UTIMENSAT=0;   AC_SUBST([GNULIB_UTIMENSAT])

  GNULIB_OVERRIDES_STRUCT_STAT=0; AC_SUBST([GNULIB_OVERRIDES_STRUCT_STAT])

  dnl Assume proper GNU behavior unless another module says otherwise.

  HAVE_FCHMODAT=1;      AC_SUBST([HAVE_FCHMODAT])

  HAVE_FSTATAT=1;       AC_SUBST([HAVE_FSTATAT])

  HAVE_FUTIMENS=1;      AC_SUBST([HAVE_FUTIMENS])

  HAVE_LCHMOD=1;        AC_SUBST([HAVE_LCHMOD])

  HAVE_LSTAT=1;         AC_SUBST([HAVE_LSTAT])

  HAVE_MKDIRAT=1;       AC_SUBST([HAVE_MKDIRAT])

  HAVE_MKFIFO=1;        AC_SUBST([HAVE_MKFIFO])

  HAVE_MKFIFOAT=1;      AC_SUBST([HAVE_MKFIFOAT])

  HAVE_MKNOD=1;         AC_SUBST([HAVE_MKNOD])

  HAVE_MKNODAT=1;       AC_SUBST([HAVE_MKNODAT])

  HAVE_UTIMENSAT=1;     AC_SUBST([HAVE_UTIMENSAT])

  REPLACE_FCHMODAT=0;   AC_SUBST([REPLACE_FCHMODAT])

  REPLACE_FSTAT=0;      AC_SUBST([REPLACE_FSTAT])

  REPLACE_FSTATAT=0;    AC_SUBST([REPLACE_FSTATAT])

  REPLACE_FUTIMENS=0;   AC_SUBST([REPLACE_FUTIMENS])

  REPLACE_LSTAT=0;      AC_SUBST([REPLACE_LSTAT])

  REPLACE_MKDIR=0;      AC_SUBST([REPLACE_MKDIR])

  REPLACE_MKFIFO=0;     AC_SUBST([REPLACE_MKFIFO])

  REPLACE_MKNOD=0;      AC_SUBST([REPLACE_MKNOD])

  REPLACE_STAT=0;       AC_SUBST([REPLACE_STAT])

  REPLACE_UTIMENSAT=0;  AC_SUBST([REPLACE_UTIMENSAT])

])