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/* actually from atomicio, but is only used in scp code */
16#define vwrite (ssize_t (*)(int, void *, size_t))write
17
18char	*chop(char *);
19char	*strdelim(char **);
20void	 set_nonblock(int);
21void	 unset_nonblock(int);
22void	 set_nodelay(int);
23int	 a2port(const char *);
24char	*cleanhostname(char *);
25char	*colon(char *);
26long	 convtime(const char *);
27
28struct passwd *pwcopy(struct passwd *);
29
30typedef struct arglist arglist;
31struct arglist {
32	char    **list;
33	int     num;
34	int     nalloc;
35};
36void	 addargs(arglist *, char *, ...);
37void	 replacearg(arglist *, u_int, char *, ...);
38void	 freeargs(arglist *);
39
40/* from xmalloc.h */
41void	*xmalloc(size_t);
42void	*xrealloc(void *, size_t);
43void     xfree(void *);
44char	*xstrdup(const char *);
45
46char *ssh_get_progname(char *);
47void fatal(char* fmt,...);
48void sanitise_stdfd(void);
49
50/* Required for non-BSD platforms, from OpenSSH's defines.h */
51#ifndef timersub
52#define timersub(a, b, result)                  \
53   do {                             \
54      (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;     \
55      (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;      \
56      if ((result)->tv_usec < 0) {              \
57     --(result)->tv_sec;                    \
58     (result)->tv_usec += 1000000;              \
59      }                             \
60   } while (0)
61#endif
62
63#ifndef TIMEVAL_TO_TIMESPEC
64#define TIMEVAL_TO_TIMESPEC(tv, ts) {                   \
65    (ts)->tv_sec = (tv)->tv_sec;                    \
66    (ts)->tv_nsec = (tv)->tv_usec * 1000;               \
67}
68#endif
69
70