xref: /netbsd-src/external/bsd/am-utils/dist/include/am_utils.h (revision b1c86f5f087524e68db12794ee9c3e3da1ab17a0)
1 /*	$NetBSD: am_utils.h,v 1.1.1.2 2009/03/20 20:26:55 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1997-2009 Erez Zadok
5  * Copyright (c) 1990 Jan-Simon Pendry
6  * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
7  * Copyright (c) 1990 The Regents of the University of California.
8  * All rights reserved.
9  *
10  * This code is derived from software contributed to Berkeley by
11  * Jan-Simon Pendry at Imperial College, London.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright
19  *    notice, this list of conditions and the following disclaimer in the
20  *    documentation and/or other materials provided with the distribution.
21  * 3. All advertising materials mentioning features or use of this software
22  *    must display the following acknowledgment:
23  *      This product includes software developed by the University of
24  *      California, Berkeley and its contributors.
25  * 4. Neither the name of the University nor the names of its contributors
26  *    may be used to endorse or promote products derived from this software
27  *    without specific prior written permission.
28  *
29  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39  * SUCH DAMAGE.
40  *
41  *
42  * File: am-utils/include/am_utils.h
43  *
44  */
45 
46 /*
47  * Definitions that are specific to the am-utils package.
48  */
49 
50 #ifndef _AM_UTILS_H
51 #define _AM_UTILS_H
52 
53 
54 #include "aux_conf.h"
55 
56 /**************************************************************************/
57 /*** MACROS								***/
58 /**************************************************************************/
59 
60 /*
61  * General macros.
62  */
63 #ifndef FALSE
64 # define FALSE 0
65 #endif /* not FALSE */
66 #ifndef TRUE
67 # define TRUE 1
68 #endif /* not TRUE */
69 #ifndef MAX
70 # define MAX(a, b)	((a) > (b) ? (a) : (b))
71 #endif /* not MAX */
72 #ifndef MIN
73 # define MIN(a, b)	((a) < (b) ? (a) : (b))
74 #endif /* not MIN */
75 
76 #define	ONE_HOUR	(60 * 60)	/* One hour in seconds */
77 
78 #ifndef MAXHOSTNAMELEN
79 # ifdef HOSTNAMESZ
80 #  define MAXHOSTNAMELEN HOSTNAMESZ
81 # else /* not HOSTNAMESZ */
82 #  define MAXHOSTNAMELEN 256
83 # endif /* not HOSTNAMESZ */
84 #endif /* not MAXHOSTNAMELEN */
85 
86 /*
87  * for hlfsd, and amd for detecting uid/gid
88  */
89 #ifndef INVALIDID
90 /* this is also defined in include/am_utils.h */
91 # define INVALIDID	(((unsigned short) ~0) - 3)
92 #endif /* not INVALIDID */
93 
94 /*
95  * String comparison macros
96  */
97 #define STREQ(s1, s2)		(strcmp((s1), (s2)) == 0)
98 #define STRCEQ(s1, s2)		(strcasecmp((s1), (s2)) == 0)
99 #define NSTREQ(s1, s2, n)	(strncmp((s1), (s2), (n)) == 0)
100 #define NSTRCEQ(s1, s2, n)	(strncasecmp((s1), (s2), (n)) == 0)
101 #define FSTREQ(s1, s2)		((*(s1) == *(s2)) && STREQ((s1),(s2)))
102 
103 /*
104  * Logging options/flags
105  */
106 #define	XLOG_FATAL	0x0001
107 #define	XLOG_ERROR	0x0002
108 #define	XLOG_USER	0x0004
109 #define	XLOG_WARNING	0x0008
110 #define	XLOG_INFO	0x0010
111 #define	XLOG_DEBUG	0x0020
112 #define	XLOG_MAP	0x0040
113 #define	XLOG_STATS	0x0080
114 /* log option compositions */
115 #define XLOG_MASK	0x00ff	/* mask for all flags */
116 #define XLOG_MANDATORY	(XLOG_FATAL|XLOG_ERROR)	/* cannot turn these off */
117 #define XLOG_ALL	(XLOG_FATAL|XLOG_ERROR|XLOG_USER|XLOG_WARNING|XLOG_INFO|XLOG_MAP|XLOG_STATS)
118 /* default: fatal + error + user + warning + info */
119 #define XLOG_DEFAULT	(XLOG_MASK & (XLOG_ALL & ~XLOG_MAP & ~XLOG_STATS))
120 
121 /* default: no logging options */
122 
123 #define NO_SUBNET	"notknown"   /* default subnet name for no subnet */
124 #define	NEXP_AP		(1022)			/* gdmr: was 254 */
125 #define NEXP_AP_MARGIN	(128)			/* ???? not used */
126 
127 /*
128  * Linked list macros
129  */
130 #define	AM_FIRST(ty, q)	((ty *) ((q)->q_forw))
131 #define	AM_LAST(ty, q)	((ty *) ((q)->q_back))
132 #define	NEXT(ty, q)	((ty *) (((qelem *) q)->q_forw))
133 #define	PREV(ty, q)	((ty *) (((qelem *) q)->q_back))
134 #define	HEAD(ty, q)	((ty *) q)
135 #define	ITER(v, ty, q) \
136 	for ((v) = AM_FIRST(ty,(q)); (v) != HEAD(ty,(q)); (v) = NEXT(ty,(v)))
137 
138 /* allocate anything of type ty */
139 #define	ALLOC(ty)	((ty *) xmalloc(sizeof(ty)))
140 #define	CALLOC(ty)	((ty *) xzalloc(sizeof(ty)))
141 /* simply allocate b bytes */
142 #define	SALLOC(b)	xmalloc((b))
143 
144 /*
145  * Systems which have the mount table in a file need to read it before
146  * they can perform an unmount() system call.
147  */
148 #define UMOUNT_FS(dir, mtb_name, unmount_flags)	umount_fs(dir, mtb_name, unmount_flags)
149 /* next two are imported via $srcdir/conf/umount/umount_*.c */
150 extern int umount_fs(char *mntdir, const char *mnttabname, u_int unmount_flags);
151 #ifdef MNT2_GEN_OPT_FORCE
152 extern int umount2_fs(const char *mntdir, u_int unmount_flags);
153 #endif /* MNT2_GEN_OPT_FORCE */
154 
155 /* unmount-related flags (special handling of autofs, forced/lazy, etc.) */
156 #define AMU_UMOUNT_FORCE        0x1
157 #define AMU_UMOUNT_DETACH       0x2
158 #define AMU_UMOUNT_AUTOFS       0x4
159 
160 /*
161  * The following values can be tuned...
162  */
163 #define	ALLOWED_MOUNT_TIME	40	/* 40s for a mount */
164 
165 /*
166  * RPC-related macros.
167  */
168 #define	RPC_XID_PORTMAP		0
169 #define	RPC_XID_MOUNTD		1
170 #define	RPC_XID_NFSPING		2
171 #define	RPC_XID_WEBNFS		3
172 #define	RPC_XID_MASK		(0x0f)	/* 16 id's for now */
173 #define	MK_RPC_XID(type_id, uniq)	((type_id) | ((uniq) << 4))
174 
175 /*
176  * What level of AMD are we backward compatible with?
177  * This only applies to externally visible characteristics.
178  * Rev.Minor.Branch.Patch (2 digits each)
179  */
180 #define	AMD_COMPAT	5000000	/* 5.0 */
181 
182 
183 /**************************************************************************/
184 /*** STRUCTURES AND TYPEDEFS						***/
185 /**************************************************************************/
186 
187 /* some typedefs must come first */
188 typedef char *amq_string;
189 typedef struct _qelem qelem;
190 typedef struct mntlist mntlist;
191 
192 /*
193  * Linked list
194  * (the name 'struct qelem' conflicts with linux's unistd.h)
195  */
196 struct _qelem {
197   qelem *q_forw;
198   qelem *q_back;
199 };
200 
201 /*
202  * Option tables
203  */
204 struct opt_tab {
205   char *opt;
206   int flag;
207 };
208 
209 /*
210  * Server states
211  */
212 typedef enum {
213   Start,
214   Run,
215   Finishing,
216   Quit,
217   Done
218 } serv_state;
219 
220 
221 /*
222  * List of mount table entries
223  */
224 struct mntlist {
225   struct mntlist *mnext;
226   mntent_t *mnt;
227 };
228 
229 /*
230  * Mount map
231  */
232 typedef struct mnt_map mnt_map;
233 
234 
235 /**************************************************************************/
236 /*** EXTERNALS								***/
237 /**************************************************************************/
238 
239 /*
240  * Useful constants
241  */
242 extern char *mnttab_file_name;	/* Mount table */
243 extern char *cpu;		/* "CPU type" */
244 extern char *endian;		/* "big" */
245 extern char *hostdomain;	/* "southseas.nz" */
246 extern char copyright[];	/* Copyright info */
247 extern char version[];		/* Version info */
248 
249 /*
250  * Global variables.
251  */
252 extern AUTH *nfs_auth;		/* Dummy authorization for remote servers */
253 extern FILE *logfp;		/* Log file */
254 extern SVCXPRT *nfsxprt;
255 extern char *PrimNetName;	/* Name of primary connected network */
256 extern char *PrimNetNum;	/* Name of primary connected network */
257 extern char *SubsNetName;	/* Name of subsidiary connected network */
258 extern char *SubsNetNum;	/* Name of subsidiary connected network */
259 
260 extern void am_set_progname(char *pn); /* "amd" */
261 extern const char *am_get_progname(void); /* "amd" */
262 extern void am_set_hostname(char *hn);
263 extern const char *am_get_hostname(void);
264 extern pid_t am_set_mypid(void);
265 extern pid_t am_mypid;
266 
267 extern int foreground;		/* Foreground process */
268 extern int orig_umask;		/* umask() on startup */
269 extern serv_state amd_state;	/* Should we go now */
270 extern struct in_addr myipaddr;	/* (An) IP address of this host */
271 extern struct opt_tab xlog_opt[];
272 extern u_short nfs_port;	/* Our NFS service port */
273 
274 /*
275  * Global routines
276  */
277 extern CLIENT *get_mount_client(char *unused_host, struct sockaddr_in *sin, struct timeval *tv, int *sock, u_long mnt_version);
278 extern RETSIGTYPE sigchld(int);
279 extern bool_t xdr_amq_string(XDR *xdrs, amq_string *objp);
280 extern bool_t xdr_dirpath(XDR *xdrs, dirpath *objp);
281 extern char **strsplit(char *, int, int);
282 extern char *expand_selectors(char *);
283 extern char *get_version_string(void);
284 extern char *inet_dquad(char *, size_t, u_long);
285 extern char *print_wires(void);
286 extern char *str3cat(char *, char *, char *, char *);
287 extern char *strealloc(char *, char *);
288 extern char *strip_selectors(char *, char *);
289 extern char *strnsave(const char *, int);
290 extern int amu_close(int fd);
291 extern int bind_resv_port(int, u_short *);
292 extern int cmdoption(char *, struct opt_tab *, u_int *);
293 extern int compute_automounter_mount_flags(mntent_t *);
294 extern int compute_mount_flags(mntent_t *);
295 extern u_long get_amd_program_number(void);
296 extern int getcreds(struct svc_req *, uid_t *, gid_t *, SVCXPRT *);
297 extern int hasmntval(mntent_t *, char *);
298 extern unsigned int hasmntvalerr(mntent_t *, char *, int *);
299 extern char *hasmntstr(mntent_t *, char *);
300 extern char *hasmnteq(mntent_t *, char *);
301 extern char *haseq(char *);
302 extern int is_network_member(const char *net);
303 extern int is_interface_local(u_long);
304 extern int islocalnet(u_long);
305 extern int make_rpc_packet(char *, int, u_long, struct rpc_msg *, voidp, XDRPROC_T_TYPE, AUTH *);
306 extern int mkdirs(char *, int);
307 extern int mount_fs(mntent_t *, int, caddr_t, int, MTYPE_TYPE, u_long, const char *, const char *, int);
308 extern void nfs_program_2(struct svc_req *rqstp, SVCXPRT *transp);
309 extern int pickup_rpc_reply(voidp, int, voidp, XDRPROC_T_TYPE);
310 extern int switch_option(char *);
311 extern int switch_to_logfile(char *logfile, int orig_umask, int truncate_log);
312 extern mntlist *read_mtab(char *, const char *);
313 #ifndef HAVE_TRANSPORT_TYPE_TLI
314 extern struct sockaddr_in *amu_svc_getcaller(SVCXPRT *xprt);
315 #endif /* not HAVE_TRANSPORT_TYPE_TLI */
316 extern time_t time(time_t *);
317 extern void amu_get_myaddress(struct in_addr *iap, const char *preferred_localhost);
318 extern void amu_release_controlling_tty(void);
319 extern void compute_automounter_nfs_args(nfs_args_t *nap, mntent_t *mntp);
320 extern void discard_mntlist(mntlist *mp);
321 extern void free_mntlist(mntlist *);
322 extern void getwire(char **name1, char **number1);
323 extern void going_down(int);
324 extern void mnt_free(mntent_t *);
325 extern void plog(int, const char *,...)
326      __attribute__ ((__format__ (__printf__, 2, 3)));
327 extern void rmdirs(char *);
328 extern void rpc_msg_init(struct rpc_msg *, u_long, u_long, u_long);
329 extern void set_amd_program_number(u_long program);
330 extern void show_opts(int ch, struct opt_tab *);
331 extern void unregister_amq(void);
332 extern voidp xmalloc(int);
333 extern voidp xrealloc(voidp, int);
334 extern voidp xzalloc(int);
335 extern int check_pmap_up(char *host, struct sockaddr_in* sin);
336 extern u_long get_nfs_version(char *host, struct sockaddr_in *sin, u_long nfs_version, const char *proto);
337 extern long get_server_pid(void);
338 extern void setup_sighandler(int signum, void (*handler)(int));
339 extern time_t clocktime(nfstime *nt);
340 
341 #if defined(DEBUG) && (defined(HAVE_C99_VARARGS_MACROS) || defined(HAVE_GCC_VARARGS_MACROS))
342 # ifdef HAVE_C99_VARARGS_MACROS
343 #define xsnprintf(str,size,fmt,...)	_xsnprintf(__FILE__,__LINE__,(str),(size),(fmt),__VA_ARGS__)
344 # endif /* HAVE_C99_VARARGS_MACROS */
345 # ifdef HAVE_GCC_VARARGS_MACROS
346 #define xsnprintf(str,size,fmt,args...)		_xsnprintf(__FILE__,__LINE__,(str),(size),(fmt),args)
347 # endif /* HAVE_GCC_VARARGS_MACROS */
348 extern int _xsnprintf(const char *filename, int lineno, char *str, size_t size, const char *format, ...);
349 #define xvsnprintf(str,size,fmt,ap)	_xvsnprintf(__FILE__,__LINE__,(str),(size),(fmt),(ap))
350 extern int _xvsnprintf(const char *filename, int lineno, char *str, size_t size, const char *format, va_list ap);
351 #else /* not DEBUG or no C99/GCC-style vararg cpp macros supported */
352 extern int xsnprintf(char *str, size_t size, const char *format, ...);
353 extern int xvsnprintf(char *str, size_t size, const char *format, va_list ap);
354 #endif /* not DEBUG or no C99/GCC-style vararg cpp macros supported */
355 
356 #ifdef DEBUG
357 extern void _xstrlcat(const char *filename, int lineno, char *dst, const char *src, size_t len);
358 # define xstrlcat(d,s,l)	_xstrlcat(__FILE__,__LINE__,(d),(s),(l))
359 extern void _xstrlcpy(const char *filename, int lineno, char *dst, const char *src, size_t len);
360 # define xstrlcpy(d,s,l)	_xstrlcpy(__FILE__,__LINE__,(d),(s),(l))
361 #else /* not DEBUG */
362 extern void xstrlcat(char *dst, const char *src, size_t len);
363 extern void xstrlcpy(char *dst, const char *src, size_t len);
364 #endif /* not DEBUG */
365 
366 #ifdef MOUNT_TABLE_ON_FILE
367 extern void rewrite_mtab(mntlist *, const char *);
368 extern void unlock_mntlist(void);
369 extern void write_mntent(mntent_t *, const char *);
370 #endif /* MOUNT_TABLE_ON_FILE */
371 
372 #if defined(HAVE_SYSLOG_H) || defined(HAVE_SYS_SYSLOG_H)
373 extern int syslogging;
374 #endif /* defined(HAVE_SYSLOG_H) || defined(HAVE_SYS_SYSLOG_H) */
375 
376 extern void compute_nfs_args(nfs_args_t *nap, mntent_t *mntp, int genflags, struct netconfig *nfsncp, struct sockaddr_in *ip_addr, u_long nfs_version, char *nfs_proto, am_nfs_handle_t *fhp, char *host_name, char *fs_name);
377 extern int create_amq_service(int *udp_soAMQp, SVCXPRT **udp_amqpp, struct netconfig **udp_amqncpp, int *tcp_soAMQp, SVCXPRT **tcp_amqpp, struct netconfig **tcp_amqncpp, u_short preferred_amq_port);
378 extern int create_nfs_service(int *soNFSp, u_short *nfs_portp, SVCXPRT **nfs_xprtp, void (*dispatch_fxn)(struct svc_req *rqstp, SVCXPRT *transp));
379 extern int amu_svc_register(SVCXPRT *, u_long, u_long, void (*)(struct svc_req *, SVCXPRT *), u_long, struct netconfig *);
380 
381 #ifdef HAVE_TRANSPORT_TYPE_TLI
382 
383 extern int get_knetconfig(struct knetconfig **kncpp, struct netconfig *in_ncp, char *nc_protoname);
384 extern struct netconfig *nfsncp;
385 extern void free_knetconfig(struct knetconfig *kncp);
386 
387 #endif /* HAVE_TRANSPORT_TYPE_TLI */
388 
389 #ifdef HAVE_FS_AUTOFS
390 extern int register_autofs_service(char *autofs_conftype, void (*autofs_dispatch)(struct svc_req *rqstp, SVCXPRT *xprt));
391 extern int unregister_autofs_service(char *autofs_conftype);
392 #endif /* HAVE_FS_AUTOFS */
393 
394 
395 #ifndef HAVE_STRUCT_FHSTATUS_FHS_FH
396 # define fhs_fh  fhstatus_u.fhs_fhandle
397 #endif /* not HAVE_STRUCT_FHSTATUS_FHS_FH */
398 
399 
400 /*
401  * Network File System: the new generation
402  * NFS V.3
403  */
404 #ifdef HAVE_FS_NFS3
405 # ifndef NFS_VERSION3
406 #  define NFS_VERSION3 ((u_int) 3)
407 # endif /* not NFS_VERSION3 */
408 #endif /* HAVE_FS_NFS3 */
409 
410 
411 /**************************************************************************/
412 /*** DEBUGGING								***/
413 /**************************************************************************/
414 
415 /*
416  * DEBUGGING:
417  */
418 
419 #ifdef DEBUG
420 
421 # define	D_DAEMON	0x0001	/* Enter daemon mode */
422 # define	D_TRACE		0x0002	/* Do protocol trace */
423 # define	D_FULL		0x0004	/* Do full trace */
424 # define	D_MTAB		0x0008	/* Use local mtab */
425 # define	D_AMQ		0x0010	/* Register amq program */
426 # define	D_STR		0x0020	/* Debug string munging */
427 # ifdef DEBUG_MEM
428 #  define	D_MEM		0x0040	/* Trace memory allocations */
429 # else /* not DEBUG_MEM */
430 #  define	D_MEM		0x0000	/* Dummy */
431 # endif /* not DEBUG_MEM */
432 # define	D_FORK		0x0080	/* Fork server (hlfsd only) */
433 # define	D_INFO		0x0100	/* info service specific debugging (hesiod, nis, etc) */
434 # define	D_HRTIME	0x0200	/* Print high resolution time stamps */
435 # define	D_XDRTRACE	0x0400	/* Trace xdr routines */
436 # define	D_READDIR	0x0800	/* Show browsable_dir progress */
437 /* debug option compositions */
438 # define	D_MASK		0x0fff  /* mask of known flags */
439 # define	D_BASIC		(D_TRACE|D_FULL|D_STR|D_MEM|D_INFO|D_XDRTRACE|D_READDIR)
440 # define	D_CONTROL	(D_DAEMON|D_AMQ|D_FORK)
441 /* immutable flags: cannot be changed via "amq -D" */
442 # define	D_IMMUTABLE	(D_MTAB  | D_CONTROL)
443 # define	D_ALL		(D_BASIC | D_CONTROL)
444 # define	D_DEFAULT	(D_MASK & D_ALL & ~D_XDRTRACE)
445 /* test mode: nodaemon, noamq, nofork, (local) mtab */
446 # define	D_TEST		(D_BASIC | D_MTAB)
447 
448 # define	amuDebug(x)	(debug_flags & (x))
449 # define	dlog		if (amuDebug(D_FULL)) dplog
450 
451 /* my favorite debugging tool -Erez */
452 #define EZKDBG plog(XLOG_INFO,"EZK:%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__)
453 
454 # ifdef DEBUG_MEM
455 /*
456  * If debugging memory, then call a special freeing function that logs
457  * more info, and resets the pointer to NULL so it cannot be used again.
458  */
459 #  define	XFREE(x) dxfree(__FILE__,__LINE__,x)
460 extern void dxfree(char *file, int line, voidp ptr);
461 extern void malloc_verify(void);
462 # else /* not DEBUG_MEM */
463 /*
464  * If regular debugging, then free the pointer and reset to NULL.
465  * This should remain so for as long as am-utils is in alpha/beta testing.
466  */
467 #  define	XFREE(x) do { free((voidp)x); x = NULL;} while (0)
468 # endif /* not DEBUG_MEM */
469 
470 /* functions that depend solely on debugging */
471 extern void print_nfs_args(const nfs_args_t *nap, u_long nfs_version);
472 extern int debug_option (char *opt);
473 extern void dplog(const char *fmt, ...)
474      __attribute__ ((__format__ (__printf__, 1, 2)));
475 
476 #else /* not DEBUG */
477 
478 /* set dummy flags to zero */
479 # define	D_DAEMON	0x0001	/* Enter daemon mode */
480 # define	D_TRACE		0x0000	/* dummy: Do protocol trace */
481 # define	D_FULL		0x0000	/* dummy: Do full trace */
482 # define	D_MTAB		0x0000	/* dummy: Use local mtab */
483 # define	D_AMQ		0x0010	/* Register amq program */
484 # define	D_STR		0x0000	/* dummy: Debug string munging */
485 # define	D_MEM		0x0000	/* dummy: Trace memory allocations */
486 # define	D_FORK		0x0080	/* Fork server (hlfsd only) */
487 # define	D_INFO		0x0000	/* dummy: info service debugging */
488 # define	D_HRTIME	0x0000	/* dummy: hi-res time stamps */
489 # define	D_XDRTRACE	0x0000	/* dummy: Trace xdr routines */
490 # define	D_READDIR	0x0000	/* dummy: browsable_dir progress */
491 # define	D_CONTROL	(D_DAEMON|D_AMQ|D_FORK)
492 # define	amuDebug(x)	(debug_flags & (x))
493 /*
494  * If not debugging, then also reset the pointer.
495  * It's safer -- and besides, free() should do that anyway.
496  */
497 # define	XFREE(x) do { free((voidp)x); x = NULL;} while (0)
498 
499 # if defined(HAVE_GCC_VARARGS_MACROS)
500 #  define	dlog(fmt...)
501 # elif defined(HAVE_C99_VARARGS_MACROS)
502 #  define	dlog(...)
503 # else  /* no c99 varargs */
504 /* this define means that we CCP leaves code behind the (list,of,args)  */
505 #  define	dlog
506 # endif /* no c99 varargs */
507 
508 # define	print_nfs_args(nap, nfs_version)
509 # define	debug_option(x)	(1)
510 
511 #endif /* not DEBUG */
512 
513 extern u_int debug_flags;	/* Debug options */
514 extern struct opt_tab dbg_opt[];
515 
516 /**************************************************************************/
517 /*** MISC (stuff left to autoconfiscate)				***/
518 /**************************************************************************/
519 
520 #endif /* not _AM_UTILS_H */
521