File: stat-time.m4

package info (click to toggle)
cpio 2.12+dfsg-9
  • links: PTS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 10,456 kB
  • sloc: ansic: 41,862; sh: 7,781; yacc: 1,254; makefile: 258; sed: 16
file content (83 lines) | stat: -rw-r--r-- 3,119 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
# Checks for stat-related time functions.

# Copyright (C) 1998-1999, 2001, 2003, 2005-2007, 2009-2015 Free Software
# Foundation, Inc.

# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

dnl From Paul Eggert.

# st_atim.tv_nsec - Linux, Solaris, Cygwin
# st_atimespec.tv_nsec - FreeBSD, NetBSD, if ! defined _POSIX_SOURCE
# st_atimensec - FreeBSD, NetBSD, if defined _POSIX_SOURCE
# st_atim.st__tim.tv_nsec - UnixWare (at least 2.1.2 through 7.1)

# st_birthtimespec - FreeBSD, NetBSD (hidden on OpenBSD 3.9, anyway)
# st_birthtim - Cygwin 1.7.0+

AC_DEFUN([gl_STAT_TIME],
[
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  AC_CHECK_HEADERS_ONCE([sys/time.h])

  AC_CHECK_MEMBERS([struct stat.st_atim.tv_nsec],
    [AC_CACHE_CHECK([whether struct stat.st_atim is of type struct timespec],
       [ac_cv_typeof_struct_stat_st_atim_is_struct_timespec],
       [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
          [[
            #include <sys/types.h>
            #include <sys/stat.h>
            #if HAVE_SYS_TIME_H
            # include <sys/time.h>
            #endif
            #include <time.h>
            struct timespec ts;
            struct stat st;
          ]],
          [[
            st.st_atim = ts;
          ]])],
          [ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=yes],
          [ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=no])])
     if test $ac_cv_typeof_struct_stat_st_atim_is_struct_timespec = yes; then
       AC_DEFINE([TYPEOF_STRUCT_STAT_ST_ATIM_IS_STRUCT_TIMESPEC], [1],
         [Define to 1 if the type of the st_atim member of a struct stat is
          struct timespec.])
     fi],
    [AC_CHECK_MEMBERS([struct stat.st_atimespec.tv_nsec], [],
       [AC_CHECK_MEMBERS([struct stat.st_atimensec], [],
          [AC_CHECK_MEMBERS([struct stat.st_atim.st__tim.tv_nsec], [], [],
             [#include <sys/types.h>
              #include <sys/stat.h>])],
          [#include <sys/types.h>
           #include <sys/stat.h>])],
       [#include <sys/types.h>
        #include <sys/stat.h>])],
    [#include <sys/types.h>
     #include <sys/stat.h>])
])

# Check for st_birthtime, a feature from UFS2 (FreeBSD, NetBSD, OpenBSD, etc.)
# and NTFS (Cygwin).
# There was a time when this field was named st_createtime (21 June
# 2002 to 16 July 2002) But that window is very small and applied only
# to development code, so systems still using that configuration are
# not supported.  See revisions 1.10 and 1.11 of FreeBSD's
# src/sys/ufs/ufs/dinode.h.
#
AC_DEFUN([gl_STAT_BIRTHTIME],
[
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  AC_CHECK_HEADERS_ONCE([sys/time.h])
  AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec], [],
    [AC_CHECK_MEMBERS([struct stat.st_birthtimensec], [],
      [AC_CHECK_MEMBERS([struct stat.st_birthtim.tv_nsec], [], [],
         [#include <sys/types.h>
          #include <sys/stat.h>])],
       [#include <sys/types.h>
        #include <sys/stat.h>])],
    [#include <sys/types.h>
     #include <sys/stat.h>])
])