1 /*	$OpenBSD: misc.h,v 1.12 2002/03/19 10:49:35 markus Exp $	*/
2 
3 /*
4  * Author: Tatu Ylonen <ylo@cs.hut.fi>
5  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
6  *                    All rights reserved
7  *
8  * As far as I am concerned, the code I have written for this software
9  * can be used freely for any purpose.  Any derived versions of this
10  * software must be clearly marked as such, and if the derived work is
11  * incompatible with the protocol description in the RFC file, it must be
12  * called by a name other than "ssh" or "Secure Shell".
13  */
14 
15 char	*chop(char *);
16 char	*strdelim(char **);
17 void	 set_nonblock(int);
18 void	 unset_nonblock(int);
19 void	 set_nodelay(int);
20 int	 a2port(const char *);
21 char	*cleanhostname(char *);
22 char	*colon(char *);
23 long	 convtime(const char *);
24 
25 struct passwd *pwcopy(struct passwd *);
26 
27 typedef struct arglist arglist;
28 struct arglist {
29 	char    **list;
30 	u_int   num;
31 	u_int   nalloc;
32 };
33 void	 addargs(arglist *, char *, ...);
34 void	 replacearg(arglist *, u_int, char *, ...);
35 void	 freeargs(arglist *);
36 
37 /* from xmalloc.h */
38 void	*xmalloc(size_t);
39 void	*xrealloc(void *, size_t);
40 void     xfree(void *);
41 char	*xstrdup(const char *);
42 
43 char *ssh_get_progname(char *);
44 void fatal(char* fmt,...);
45 void sanitise_stdfd(void);
46 
47 /* Required for non-BSD platforms, from OpenSSH's defines.h */
48 #ifndef timersub
49 #define timersub(a, b, result)                  \
50    do {                             \
51       (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;     \
52       (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;      \
53       if ((result)->tv_usec < 0) {              \
54      --(result)->tv_sec;                    \
55      (result)->tv_usec += 1000000;              \
56       }                             \
57    } while (0)
58 #endif
59 
60 #ifndef TIMEVAL_TO_TIMESPEC
61 #define TIMEVAL_TO_TIMESPEC(tv, ts) {                   \
62     (ts)->tv_sec = (tv)->tv_sec;                    \
63     (ts)->tv_nsec = (tv)->tv_usec * 1000;               \
64 }
65 #endif
66 
67