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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/*
This file is part of GNUnet
(C) 2006 Christian Grothoff (and other contributing authors)
GNUnet 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, or (at your
option) any later version.
GNUnet 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 GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file src/util/getopt_helpers.c
* @brief implements command line that sets option
* @author Christian Grothoff
*/
#include "platform.h"
#include "gnunet_common.h"
#include "gnunet_getopt_lib.h"
int
GNUNET_GETOPT_print_version_ (struct GNUNET_GETOPT_CommandLineProcessorContext
*ctx, void *scls, const char *option,
const char *value)
{
const char *version = scls;
printf ("%s v%s\n", ctx->binaryName, version);
return GNUNET_SYSERR;
}
#define BORDER 29
int
GNUNET_GETOPT_format_help_ (struct GNUNET_GETOPT_CommandLineProcessorContext
*ctx, void *scls, const char *option,
const char *value)
{
const char *about = scls;
size_t slen;
unsigned int i;
int j;
size_t ml;
size_t p;
char *scp;
const char *trans;
const struct GNUNET_GETOPT_CommandLineOption *opt;
printf ("%s\n%s\n", ctx->binaryOptions, gettext (about));
printf (_
("Arguments mandatory for long options are also mandatory for short options.\n"));
i = 0;
opt = ctx->allOptions;
while (opt[i].description != NULL)
{
if (opt[i].shortName == '\0')
printf (" ");
else
printf (" -%c, ", opt[i].shortName);
printf ("--%s", opt[i].name);
slen = 8 + strlen (opt[i].name);
if (opt[i].argumentHelp != NULL)
{
printf ("=%s", opt[i].argumentHelp);
slen += 1 + strlen (opt[i].argumentHelp);
}
if (slen > BORDER)
{
printf ("\n%*s", BORDER, "");
slen = BORDER;
}
if (slen < BORDER)
{
printf ("%*s", (int) (BORDER - slen), "");
slen = BORDER;
}
if (0 < strlen (opt[i].description))
trans = gettext (opt[i].description);
else
trans = "";
ml = strlen (trans);
p = 0;
OUTER:
while (ml - p > 78 - slen)
{
for (j = p + 78 - slen; j > p; j--)
{
if (isspace ( (unsigned char) trans[j]))
{
scp = GNUNET_malloc (j - p + 1);
memcpy (scp, &trans[p], j - p);
scp[j - p] = '\0';
printf ("%s\n%*s", scp, BORDER + 2, "");
GNUNET_free (scp);
p = j + 1;
slen = BORDER + 2;
goto OUTER;
}
}
/* could not find space to break line */
scp = GNUNET_malloc (78 - slen + 1);
memcpy (scp, &trans[p], 78 - slen);
scp[78 - slen] = '\0';
printf ("%s\n%*s", scp, BORDER + 2, "");
GNUNET_free (scp);
slen = BORDER + 2;
p = p + 78 - slen;
}
/* print rest */
if (p < ml)
printf ("%s\n", &trans[p]);
if (strlen (trans) == 0)
printf ("\n");
i++;
}
printf ("Report bugs to gnunet-developers@gnu.org.\n"
"GNUnet home page: http://www.gnu.org/software/gnunet/\n"
"General help using GNU software: http://www.gnu.org/gethelp/\n");
return GNUNET_SYSERR;
}
int
GNUNET_GETOPT_increment_value (struct
GNUNET_GETOPT_CommandLineProcessorContext *ctx,
void *scls, const char *cmdLineOption,
const char *value)
{
int *val = scls;
(*val)++;
return GNUNET_OK;
}
int
GNUNET_GETOPT_set_one (struct GNUNET_GETOPT_CommandLineProcessorContext *ctx,
void *scls, const char *option, const char *value)
{
int *val = scls;
*val = 1;
return GNUNET_OK;
}
int
GNUNET_GETOPT_set_string (struct GNUNET_GETOPT_CommandLineProcessorContext
*ctx, void *scls, const char *option,
const char *value)
{
char **val = scls;
GNUNET_assert (value != NULL);
if (NULL != *val)
GNUNET_free (*val);
*val = GNUNET_strdup (value);
return GNUNET_OK;
}
int
GNUNET_GETOPT_set_ulong (struct GNUNET_GETOPT_CommandLineProcessorContext
*ctx, void *scls, const char *option,
const char *value)
{
unsigned long long *val = scls;
if (1 != SSCANF (value, "%llu", val))
{
fprintf (stderr,
_("You must pass a number to the `%s' option.\n"), option);
return GNUNET_SYSERR;
}
return GNUNET_OK;
}
int
GNUNET_GETOPT_set_uint (struct GNUNET_GETOPT_CommandLineProcessorContext *ctx,
void *scls, const char *option, const char *value)
{
unsigned int *val = scls;
if (1 != SSCANF (value, "%u", val))
{
fprintf (stderr,
_("You must pass a number to the `%s' option.\n"), option);
return GNUNET_SYSERR;
}
return GNUNET_OK;
}
/* end of getopt_helpers.c */
|
