blob: c29837d31f66b1ed65ca1f7654f39f8ac1f4226b (
plain)
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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
// file : tests/entry-time/driver.cxx -*- C++ -*-
// license : MIT; see accompanying LICENSE file
#include <string>
#include <chrono>
#include <iostream>
#include <libbutl/path.hxx>
#include <libbutl/optional.hxx>
#include <libbutl/timestamp.hxx>
#include <libbutl/filesystem.hxx>
#undef NDEBUG
#include <cassert>
using namespace std;
using namespace butl;
// Usage: argv[0] (-p|-s <time>) (-f|-d) (-m|-a) <path>
//
// Prints or sets the modification or access time for the specified filesystem
// entry.
//
// -p
// Print the filesystem entry time as a number of milliseconds passed
// since UNIX epoch.
//
// -s
// Set the filesystem entry time that is represented as a number of
// milliseconds passed since UNIX epoch.
//
// -f
// The specified path is a file.
//
// -d
// The specified path is a directory.
//
// -m
// Print or set the filesystem entry modification time.
//
// -a
// Print or set the filesystem entry access time.
//
int
main (int argc, const char* argv[])
{
using butl::optional;
optional<bool> set;
optional<bool> dir;
optional<bool> mod;
optional<path> p;
timestamp tm;
assert (argc > 0);
for (int i (1); i != argc; ++i)
{
string v (argv[i]);
if (v == "-p")
{
assert (!set);
set = false;
}
else if (v == "-s")
{
assert (!set);
set = true;
assert (i + 1 != argc);
tm = timestamp (chrono::duration_cast<duration> (
chrono::milliseconds (stoull (argv[++i]))));
}
else if (v == "-f")
{
assert (!dir);
dir = false;
}
else if (v == "-d")
{
assert (!dir);
dir = true;
}
else if (v == "-m")
{
assert (!mod);
mod = true;
}
else if (v == "-a")
{
assert (!mod);
mod = false;
}
else
{
assert (set && dir && mod && !p);
p = path (move (v));
}
}
assert (set);
assert (dir);
assert (mod);
assert (p);
if (*set)
{
if (*dir)
{
if (*mod)
dir_mtime (path_cast<dir_path> (*p), tm);
else
dir_atime (path_cast<dir_path> (*p), tm);
}
else
{
if (*mod)
file_mtime (*p, tm);
else
file_atime (*p, tm);
}
}
else
{
if (*dir)
tm = *mod
? dir_mtime (path_cast<dir_path> (*p))
: dir_atime (path_cast<dir_path> (*p));
else
tm = *mod ? file_mtime (*p) : file_atime (*p);
cout << chrono::duration_cast<chrono::milliseconds> (
tm.time_since_epoch ()).count () << endl;
}
}
|
