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
|
/*
* nblib.h - Header file for netboot library
*
* Copyright (C) 1998 Gero Kuhlmann <gero@gkminix.han.de>
*
* 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
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* Structure defining program options
*/
struct cmdopt {
char *longopt; /* long option name */
char shortopt; /* short option character */
enum {
noval, /* end of option list */
boolval, /* option has no argument */
intval, /* option has integer argument */
strval, /* option has string argument */
procval, /* call procedure when option given */
nonopt /* argument without option name */
} valtype;
union {
char **strptr; /* pointer to string buffer */
int *intptr; /* pointer to integer buffer */
int *boolptr; /* pointer to boolean buffer */
void (*procptr) __P((struct cmdopt *));
} valptr;
char *envdefault; /* environment var name for default */
char *helptext; /* help text for option */
char *helparg; /* help text for argument */
};
/*
* Structures holding all the information required to parse config file
*/
struct paramdef {
char *name; /* name of parameter in config file */
enum {
par_null, /* end of parameter list */
par_string, /* string value */
par_int, /* integer value */
par_bool, /* boolean value */
par_enum, /* enumeration value */
par_proc /* procedure to handle argument */
} type;
char **enumlist; /* list of enumeration values */
union {
char **strptr; /* pointer to string buffer */
int *intptr; /* pointer to integer value */
int *boolptr; /* pointer to boolean value */
int *enumptr; /* pointer to enumeration value */
char *(*procptr) __P((char *, char *));
} valptr;
};
struct sectdef {
char *name; /* name of section */
struct paramdef *params; /* pointer to parameter list */
char *(*startsect) __P((char *, struct sectdef *));
char *(*endsect) __P((char *, struct sectdef *));
};
/*
* Variables exported by library
*/
extern char *progname; /* name of current program */
extern char *dbname; /* name of system database file */
extern int write_chksum; /* checksum for all bytes when writing */
extern int verbose; /* verbosity flag */
/*
* Routines exported by library
*/
extern voidstar nbmalloc __P((size_t amount));
extern int nbread __P((unsigned char *buf, unsigned int bufsize, int infile));
extern int nbwrite __P((unsigned char *buf, unsigned int bufsize, int outfile));
extern void copystr __P((char **dest, char *src));
extern void setpath __P((char **pathname, char *defaultname));
extern void readdb __P((struct sectdef *sect));
extern void nbsetup __P((int argc, char **argv,
struct cmdopt *opts, struct sectdef *sects));
|
