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
|
/*
* This file has been modified for the cdrkit suite.
*
* The behaviour and appearence of the program code below can differ to a major
* extent from the version distributed by the original author(s).
*
* For details, see Changelog file distributed with the cdrkit package. If you
* received this file from another source then ask the distributing person for
* a log of modifications.
*
*/
/* @(#)getnum.c 1.2 04/03/02 Copyright 1984-2002, 2004 J. Schilling */
/*
* Number conversion routines to implement 'dd' like options.
*
* Copyright (c) 1984-2002, 2004 J. Schilling
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* 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; see the file COPYING. If not, write to the Free Software
* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <mconfig.h>
#include <standard.h>
#include <utypes.h>
#include <schily.h>
static Llong number(char *arg, int *retp);
int getnum(char *arg, long *valp);
int getllnum(char *arg, Llong *lvalp);
static Llong
number(register char *arg, int *retp)
{
Llong val = 0;
if (*retp != 1)
return (val);
if (*arg == '\0') {
*retp = -1;
} else if (*(arg = astoll(arg, &val))) {
if (*arg == 'p' || *arg == 'P') {
val *= (1024*1024);
val *= (1024*1024*1024);
arg++;
} else if (*arg == 't' || *arg == 'T') {
val *= (1024*1024);
val *= (1024*1024);
arg++;
} else if (*arg == 'g' || *arg == 'G') {
val *= (1024*1024*1024);
arg++;
} else if (*arg == 'm' || *arg == 'M') {
val *= (1024*1024);
arg++;
} else if (*arg == 'f' || *arg == 'F') {
val *= 2352;
arg++;
} else if (*arg == 's' || *arg == 'S') {
val *= 2048;
arg++;
} else if (*arg == 'k' || *arg == 'K') {
val *= 1024;
arg++;
} else if (*arg == 'b' || *arg == 'B') {
val *= 512;
arg++;
} else if (*arg == 'w' || *arg == 'W') {
val *= 2;
arg++;
}
if (*arg == '*' || *arg == 'x')
val *= number(++arg, retp);
else if (*arg != '\0')
*retp = -1;
}
return (val);
}
int
getnum(char *arg, long *valp)
{
Llong llval;
int ret = 1;
llval = number(arg, &ret);
*valp = llval;
if (*valp != llval) {
errmsgno(EX_BAD,
"Value %lld is too large for data type 'long'.\n",
llval);
ret = -1;
}
return (ret);
}
int
getllnum(char *arg, Llong *lvalp)
{
int ret = 1;
*lvalp = number(arg, &ret);
return (ret);
}
|
