xref: /titanic_44/usr/src/cmd/ssh/include/misc.h (revision a4aeef46cda1835da2b19f8f62b4526de6521e6c)
1 /*
2  * Author: Tatu Ylonen <ylo@cs.hut.fi>
3  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
4  *                    All rights reserved
5  *
6  * As far as I am concerned, the code I have written for this software
7  * can be used freely for any purpose.  Any derived versions of this
8  * software must be clearly marked as such, and if the derived work is
9  * incompatible with the protocol description in the RFC file, it must be
10  * called by a name other than "ssh" or "Secure Shell".
11  */
12 /*
13  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
14  * Use is subject to license terms.
15  */
16 
17 #ifndef	_MISC_H
18 #define	_MISC_H
19 
20 /*	$OpenBSD: misc.h,v 1.12 2002/03/19 10:49:35 markus Exp $	*/
21 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
26 char	*chop(char *);
27 char	*strdelim(char **);
28 void	 set_nonblock(int);
29 void	 unset_nonblock(int);
30 void	 set_nodelay(int);
31 int	 a2port(const char *);
32 char	*cleanhostname(char *);
33 char	*hpdelim(char **);
34 char	*colon(char *);
35 long	 convtime(const char *);
36 char	*percent_expand(const char *, ...);
37 char	*tohex(const void *, size_t);
38 void	 sanitise_stdfd(void);
39 int	 get_yes_no_flag(int *option, const char *arg, const char *filename,
40 		    int linenum, int active);
41 char    *tolowercase(const char *s);
42 
43 struct passwd	*pwcopy(struct passwd *);
44 void		 pwfree(struct passwd **);
45 
46 typedef struct arglist arglist;
47 struct arglist {
48 	char    **list;
49 	int     num;
50 	int     nalloc;
51 };
52 void	 addargs(arglist *, char *, ...) __attribute__((format(printf, 2, 3)));
53 void	 replacearg(arglist *, u_int, char *, ...)
54 	     __attribute__((format(printf, 3, 4)));
55 void	 freeargs(arglist *);
56 
57 /* wrapper for signal interface */
58 typedef void (*mysig_t)(int);
59 mysig_t mysignal(int sig, mysig_t act);
60 
61 /* Functions to extract or store big-endian words of various sizes */
62 u_int64_t	get_u64(const void *)
63     __attribute__((__bounded__( __minbytes__, 1, 8)));
64 u_int32_t	get_u32(const void *)
65     __attribute__((__bounded__( __minbytes__, 1, 4)));
66 u_int16_t	get_u16(const void *)
67     __attribute__((__bounded__( __minbytes__, 1, 2)));
68 void		put_u64(void *, u_int64_t)
69     __attribute__((__bounded__( __minbytes__, 1, 8)));
70 void		put_u32(void *, u_int32_t)
71     __attribute__((__bounded__( __minbytes__, 1, 4)));
72 void		put_u16(void *, u_int16_t)
73     __attribute__((__bounded__( __minbytes__, 1, 2)));
74 
75 #ifdef __cplusplus
76 }
77 #endif
78 
79 #endif /* _MISC_H */
80