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
137
138
139
140
|
(* virt-sparsify
* Copyright (C) 2010-2012 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*)
(* XXX This was copied from virt-resize, and probably some of the
functions here are not used in virt-sparsify and could be
deleted. *)
open Printf
open Sparsify_gettext.Gettext
module G = Guestfs
let (//) = Filename.concat
let ( +^ ) = Int64.add
let ( -^ ) = Int64.sub
let ( *^ ) = Int64.mul
let ( /^ ) = Int64.div
let ( &^ ) = Int64.logand
let ( ~^ ) = Int64.lognot
let output_spaces chan n = for i = 0 to n-1 do output_char chan ' ' done
let wrap ?(chan = stdout) ?(hanging = 0) str =
let rec _wrap col str =
let n = String.length str in
let i = try String.index str ' ' with Not_found -> n in
let col =
if col+i >= 72 then (
output_char chan '\n';
output_spaces chan hanging;
i+hanging+1
) else col+i+1 in
output_string chan (String.sub str 0 i);
if i < n then (
output_char chan ' ';
_wrap col (String.sub str (i+1) (n-(i+1)))
)
in
_wrap 0 str
let string_prefix str prefix =
let n = String.length prefix in
String.length str >= n && String.sub str 0 n = prefix
let rec string_find s sub =
let len = String.length s in
let sublen = String.length sub in
let rec loop i =
if i <= len-sublen then (
let rec loop2 j =
if j < sublen then (
if s.[i+j] = sub.[j] then loop2 (j+1)
else -1
) else
i (* found *)
in
let r = loop2 0 in
if r = -1 then loop (i+1) else r
) else
-1 (* not found *)
in
loop 0
let rec replace_str s s1 s2 =
let len = String.length s in
let sublen = String.length s1 in
let i = string_find s s1 in
if i = -1 then s
else (
let s' = String.sub s 0 i in
let s'' = String.sub s (i+sublen) (len-i-sublen) in
s' ^ s2 ^ replace_str s'' s1 s2
)
let string_random8 =
let chars = "abcdefghijklmnopqrstuvwxyz0123456789" in
fun () ->
String.concat "" (
List.map (
fun _ ->
let c = Random.int 36 in
let c = chars.[c] in
String.make 1 c
) [1;2;3;4;5;6;7;8]
)
let error fs =
let display str =
wrap ~chan:stderr ("virt-sparsify: error: " ^ str);
prerr_newline ();
prerr_newline ();
wrap ~chan:stderr
(s_"If reporting bugs, run virt-sparsify with the '-v' and '-x' options and include the complete output.");
prerr_newline ();
exit 1
in
ksprintf display fs
let feature_available (g : Guestfs.guestfs) names =
try g#available names; true
with G.Error _ -> false
let human_size i =
let sign, i = if i < 0L then "-", Int64.neg i else "", i in
if i < 1024L then
sprintf "%s%Ld" sign i
else (
let f = Int64.to_float i /. 1024. in
let i = i /^ 1024L in
if i < 1024L then
sprintf "%s%.1fK" sign f
else (
let f = Int64.to_float i /. 1024. in
let i = i /^ 1024L in
if i < 1024L then
sprintf "%s%.1fM" sign f
else (
let f = Int64.to_float i /. 1024. in
(*let i = i /^ 1024L in*)
sprintf "%s%.1fG" sign f
)
)
)
|
