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comparison libffi/mdate-sh @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 #!/bin/sh
2 # Get modification time of a file or directory and pretty-print it.
3
4 scriptversion=2009-04-28.21; # UTC
5
6 # Copyright (C) 1995, 1996, 1997, 2003, 2004, 2005, 2007, 2009 Free
7 # Software Foundation, Inc.
8 # written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, June 1995
9 #
10 # This program is free software; you can redistribute it and/or modify
11 # it under the terms of the GNU General Public License as published by
12 # the Free Software Foundation; either version 2, or (at your option)
13 # any later version.
14 #
15 # This program is distributed in the hope that it will be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 # GNU General Public License for more details.
19 #
20 # You should have received a copy of the GNU General Public License
21 # along with this program. If not, see <http://www.gnu.org/licenses/>.
22
23 # As a special exception to the GNU General Public License, if you
24 # distribute this file as part of a program that contains a
25 # configuration script generated by Autoconf, you may include it under
26 # the same distribution terms that you use for the rest of that program.
27
28 # This file is maintained in Automake, please report
29 # bugs to <bug-automake@gnu.org> or send patches to
30 # <automake-patches@gnu.org>.
31
32 case $1 in
33 '')
34 echo "$0: No file. Try \`$0 --help' for more information." 1>&2
35 exit 1;
36 ;;
37 -h | --h*)
38 cat <<\EOF
39 Usage: mdate-sh [--help] [--version] FILE
40
41 Pretty-print the modification time of FILE.
42
43 Report bugs to <bug-automake@gnu.org>.
44 EOF
45 exit $?
46 ;;
47 -v | --v*)
48 echo "mdate-sh $scriptversion"
49 exit $?
50 ;;
51 esac
52
53 # Prevent date giving response in another language.
54 LANG=C
55 export LANG
56 LC_ALL=C
57 export LC_ALL
58 LC_TIME=C
59 export LC_TIME
60
61 # GNU ls changes its time format in response to the TIME_STYLE
62 # variable. Since we cannot assume `unset' works, revert this
63 # variable to its documented default.
64 if test "${TIME_STYLE+set}" = set; then
65 TIME_STYLE=posix-long-iso
66 export TIME_STYLE
67 fi
68
69 save_arg1=$1
70
71 # Find out how to get the extended ls output of a file or directory.
72 if ls -L /dev/null 1>/dev/null 2>&1; then
73 ls_command='ls -L -l -d'
74 else
75 ls_command='ls -l -d'
76 fi
77 # Avoid user/group names that might have spaces, when possible.
78 if ls -n /dev/null 1>/dev/null 2>&1; then
79 ls_command="$ls_command -n"
80 fi
81
82 # A `ls -l' line looks as follows on OS/2.
83 # drwxrwx--- 0 Aug 11 2001 foo
84 # This differs from Unix, which adds ownership information.
85 # drwxrwx--- 2 root root 4096 Aug 11 2001 foo
86 #
87 # To find the date, we split the line on spaces and iterate on words
88 # until we find a month. This cannot work with files whose owner is a
89 # user named `Jan', or `Feb', etc. However, it's unlikely that `/'
90 # will be owned by a user whose name is a month. So we first look at
91 # the extended ls output of the root directory to decide how many
92 # words should be skipped to get the date.
93
94 # On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
95 set x`$ls_command /`
96
97 # Find which argument is the month.
98 month=
99 command=
100 until test $month
101 do
102 shift
103 # Add another shift to the command.
104 command="$command shift;"
105 case $1 in
106 Jan) month=January; nummonth=1;;
107 Feb) month=February; nummonth=2;;
108 Mar) month=March; nummonth=3;;
109 Apr) month=April; nummonth=4;;
110 May) month=May; nummonth=5;;
111 Jun) month=June; nummonth=6;;
112 Jul) month=July; nummonth=7;;
113 Aug) month=August; nummonth=8;;
114 Sep) month=September; nummonth=9;;
115 Oct) month=October; nummonth=10;;
116 Nov) month=November; nummonth=11;;
117 Dec) month=December; nummonth=12;;
118 esac
119 done
120
121 # Get the extended ls output of the file or directory.
122 set dummy x`eval "$ls_command \"\$save_arg1\""`
123
124 # Remove all preceding arguments
125 eval $command
126
127 # Because of the dummy argument above, month is in $2.
128 #
129 # On a POSIX system, we should have
130 #
131 # $# = 5
132 # $1 = file size
133 # $2 = month
134 # $3 = day
135 # $4 = year or time
136 # $5 = filename
137 #
138 # On Darwin 7.7.0 and 7.6.0, we have
139 #
140 # $# = 4
141 # $1 = day
142 # $2 = month
143 # $3 = year or time
144 # $4 = filename
145
146 # Get the month.
147 case $2 in
148 Jan) month=January; nummonth=1;;
149 Feb) month=February; nummonth=2;;
150 Mar) month=March; nummonth=3;;
151 Apr) month=April; nummonth=4;;
152 May) month=May; nummonth=5;;
153 Jun) month=June; nummonth=6;;
154 Jul) month=July; nummonth=7;;
155 Aug) month=August; nummonth=8;;
156 Sep) month=September; nummonth=9;;
157 Oct) month=October; nummonth=10;;
158 Nov) month=November; nummonth=11;;
159 Dec) month=December; nummonth=12;;
160 esac
161
162 case $3 in
163 ???*) day=$1;;
164 *) day=$3; shift;;
165 esac
166
167 # Here we have to deal with the problem that the ls output gives either
168 # the time of day or the year.
169 case $3 in
170 *:*) set `date`; eval year=\$$#
171 case $2 in
172 Jan) nummonthtod=1;;
173 Feb) nummonthtod=2;;
174 Mar) nummonthtod=3;;
175 Apr) nummonthtod=4;;
176 May) nummonthtod=5;;
177 Jun) nummonthtod=6;;
178 Jul) nummonthtod=7;;
179 Aug) nummonthtod=8;;
180 Sep) nummonthtod=9;;
181 Oct) nummonthtod=10;;
182 Nov) nummonthtod=11;;
183 Dec) nummonthtod=12;;
184 esac
185 # For the first six month of the year the time notation can also
186 # be used for files modified in the last year.
187 if (expr $nummonth \> $nummonthtod) > /dev/null;
188 then
189 year=`expr $year - 1`
190 fi;;
191 *) year=$3;;
192 esac
193
194 # The result.
195 echo $day $month $year
196
197 # Local Variables:
198 # mode: shell-script
199 # sh-indentation: 2
200 # eval: (add-hook 'write-file-hooks 'time-stamp)
201 # time-stamp-start: "scriptversion="
202 # time-stamp-format: "%:y-%02m-%02d.%02H"
203 # time-stamp-time-zone: "UTC"
204 # time-stamp-end: "; # UTC"
205 # End: