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
|
/*
* libstatgrab
* https://libstatgrab.org
* Copyright (C) 2003-2004 Peter Saunders
* Copyright (C) 2003-2019 Tim Bishop
* Copyright (C) 2003-2013 Adam Sampson
* Copyright (C) 2012-2019 Jens Rehsack
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include <tools.h>
#include "testlib.h"
int
get_params(struct opt_def *opt_defs, int argc, char **argv) {
char optlst[256] = { '\0' };
struct opt_def *opt_def_map[256];
size_t optlst_idx = 0;
struct opt_def *opt_l;
int ch;
memset( opt_def_map, 0, sizeof(opt_def_map) );
for( opt_l = opt_defs; opt_l && opt_l->optchr; ++opt_l ) {
if( opt_def_map[(unsigned)(opt_l->optchr)] != NULL )
die( EINVAL, "duplicate option def for '%c'", opt_l->optchr );
opt_def_map[(unsigned)(opt_l->optchr)] = opt_l;
optlst[optlst_idx++] = opt_l->optchr;
if( opt_l->opttype != opt_flag )
optlst[optlst_idx++] = ':';
}
optlst[optlst_idx] = '\0';
while( (ch = getopt(argc, argv, optlst)) >= 0 ) {
if( ch >= 256 ) {
die( EINVAL, "getopt error, rc = %d", ch );
}
if( opt_def_map[ch] != 0 ) {
switch(opt_def_map[ch]->opttype) {
case opt_flag:
opt_def_map[ch]->optarg.b = true;
break;
case opt_bool:
{
unsigned tmp;
if( 1 != sscanf( optarg, "%u", &tmp ) )
die( EINVAL, "getopt: invalid argument for -%c: %s", ch, optarg );
opt_def_map[ch]->optarg.b = tmp != 0;
}
break;
case opt_signed:
if( 1 != sscanf( optarg, "%ld", &opt_def_map[ch]->optarg.s ) )
die( EINVAL, "getopt: invalid argument for -%c: %s", ch, optarg );
break;
case opt_unsigned:
if( 1 != sscanf( optarg, "%lu", &opt_def_map[ch]->optarg.u ) )
die( EINVAL, "getopt: invalid argument for -%c: %s", ch, optarg );
break;
case opt_str:
opt_def_map[ch]->optarg.str = strdup(optarg);
break;
}
}
else {
return ch;
}
}
return 0;
}
|
