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/*
* ntp_stdlib.h - Prototypes for NTP lib.
*/
#ifndef GUARD_NTP_STDLIB_H
#define GUARD_NTP_STDLIB_H
#include <sys/types.h>
#include <sys/socket.h>
#include <string.h>
#include <signal.h>
#include <errno.h>
#include <stdarg.h>
#include "ntp_net.h"
#include "ntp_debug.h"
#include "ntp_malloc.h"
#include "ntp_syslog.h"
#ifdef HAVE_BSD_STRING_H
#include <bsd/string.h>
#endif
#ifdef __GNUC__
#define NTP_PRINTF(fmt, args) __attribute__((__format__(__printf__, fmt, args)))
#else
#define NTP_PRINTF(fmt, args)
#endif
extern const char *ntpd_version(void);
extern void msyslog(int, const char *, ...) NTP_PRINTF(2, 3);
extern void ntp_strerror_r(int errnum, char *buf, size_t buflen);
extern void init_logging (const char *, uint32_t, int);
extern int change_logfile (const char *, bool);
extern void check_logfile (void);
extern void setup_logfile (const char *);
extern int clocktime (int, int, int, int, int, time_t, uint32_t, uint32_t *, uint32_t *);
extern void init_network (void);
extern int ymd2yd (int, int, int);
/* getopt.c */
struct option {
const char* name;
int has_arg;
int* flag;
int val;
};
int ntp_getopt(int argc, char *const argv[], const char *optstring);
int ntp_getopt_long(int argc, char* const argv[], const char *optstring,
const struct option *longopts, int *longindex);
/* mac_md5encrypt.c */
extern uint32_t addr2refid (sockaddr_u *);
/* emalloc.c */
#ifndef EREALLOC_CALLSITE /* ntp_malloc.h defines */
extern void * ereallocz (void *, size_t, size_t, int);
extern void * oreallocarray (void *optr, size_t nmemb, size_t size);
#define erealloczsite(p, n, o, z, f, l) ereallocz((p), (n), (o), (z))
#define emalloc(n) ereallocz(NULL, (n), 0, false)
#define emalloc_zero(c) ereallocz(NULL, (c), 0, true)
#define erealloc(p, c) ereallocz((p), (c), 0, false)
#define erealloc_zero(p, n, o) ereallocz((p), (n), (o), true)
#define ereallocarray(p, n, s) oreallocarray((p), (n), (s))
#define eallocarray(n, s) oreallocarray(NULL, (n), (s))
extern char * estrdup_impl(const char *);
#define estrdup(s) estrdup_impl(s)
#else
extern void * ereallocz (void *, size_t, size_t, int,
const char *, int);
extern void * oreallocarray (void *optr, size_t nmemb, size_t size,
const char *, int);
#define erealloczsite ereallocz
#define emalloc(c) ereallocz(NULL, (c), 0, false, \
__FILE__, __LINE__)
#define emalloc_zero(c) ereallocz(NULL, (c), 0, true, \
__FILE__, __LINE__)
#define erealloc(p, c) ereallocz((p), (c), 0, false, \
__FILE__, __LINE__)
#define erealloc_zero(p, n, o) ereallocz((p), n, (o), true, \
__FILE__, __LINE__)
#define ereallocarray(p, n, s) oreallocarray((p), (n), (s), \
__FILE__, __LINE__)
#define eallocarray(n, s) oreallocarray(NULL, (n), (s), \
__FILE__, __LINE__)
extern char * estrdup_impl(const char *, const char *, int);
#define estrdup(s) estrdup_impl((s), __FILE__, __LINE__)
#endif
extern const char * eventstr (int);
extern const char * ceventstr (int);
extern const char * res_match_flags(unsigned short);
extern const char * res_access_flags(unsigned short);
extern const char * k_st_flags (uint32_t);
extern char * statustoa (int, int);
extern const char * socktoa (const sockaddr_u *);
extern const char * socktoa_r (const sockaddr_u *sock, char *buf, size_t buflen);
extern const char * sockporttoa(const sockaddr_u *);
extern const char * sockporttoa_r(const sockaddr_u *sock, char *buf, size_t buflen);
extern unsigned int sock_hash(const sockaddr_u *) __attribute__((pure));
extern const char *refid_str (uint32_t, int);
extern int decodenetnum (const char *, sockaddr_u *);
extern void signal_no_reset (int, void (*func)(int));
extern void signal_no_reset1(int, void (*func)(int, siginfo_t *, void *));
extern void getauthkeys (const char *);
/*
* Variable declarations for libntp.
*/
/* getopt.c */
extern char * ntp_optarg; /* global argument pointer */
extern int ntp_optind; /* global argv index */
/* lib_strbuf.c */
extern void getbuf_init (void);
extern bool ipv4_works;
extern bool ipv6_works;
/* ssl_init.c */
extern void ssl_init (void);
/* strl-obsd.c */
#ifndef HAVE_STRLCPY /* + */
/*
* Copy src to string dst of size siz. At most siz-1 characters
* will be copied. Always NUL terminates (unless siz == 0).
* Returns strlen(src); if retval >= siz, truncation occurred.
*/
extern size_t strlcpy(char *dst, const char *src, size_t siz);
#endif
#ifndef HAVE_STRLCAT /* + */
/*
* Appends src to string dst of size siz (unlike strncat, siz is the
* full size of dst, not space left). At most siz-1 characters
* will be copied. Always NUL terminates (unless siz <= strlen(dst)).
* Returns strlen(src) + MIN(siz, strlen(initial dst)).
* If retval >= siz, truncation occurred.
*/
extern size_t strlcat(char *dst, const char *src, size_t siz);
#endif
/* ntp_proto.c */
extern double measured_tick; /* non-overridable sys_tick */
#ifdef ENABLE_FUZZ
/* systime.c */
extern double sys_tick; /* tick size or time to read */
extern double sys_fuzz; /* min clock read latency */
extern bool trunc_os_clock; /* sys_tick > measured_tick */
#endif
/* use these as return values for sort-comparison functions */
#define COMPARE_GREATERTHAN 1
#define COMPARE_EQUAL 0
#define COMPARE_LESSTHAN -1
/* hack to ignore GCC Unused Result */
#define IGNORE(r) do{if(r){}}while(0)
extern bool sandbox(const bool droproot, char *user, const char *group,
const char *chrootdir, bool want_dynamic_interface_tracking);
#endif /* GUARD_NTP_STDLIB_H */
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