2 47dc83f5 2023-03-08 thomas * Copyright (c) 2023 Thomas Adam <thomas@xteddy.org>
4 47dc83f5 2023-03-08 thomas * Permission to use, copy, modify, and distribute this software for any
5 47dc83f5 2023-03-08 thomas * purpose with or without fee is hereby granted, provided that the above
6 47dc83f5 2023-03-08 thomas * copyright notice and this permission notice appear in all copies.
8 47dc83f5 2023-03-08 thomas * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 47dc83f5 2023-03-08 thomas * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 47dc83f5 2023-03-08 thomas * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 47dc83f5 2023-03-08 thomas * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 47dc83f5 2023-03-08 thomas * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 47dc83f5 2023-03-08 thomas * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 47dc83f5 2023-03-08 thomas * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 47dc83f5 2023-03-08 thomas #ifndef _GOT_COMPAT_H_2
18 47dc83f5 2023-03-08 thomas #define _GOT_COMPAT_H_2
20 4efc8dcb 2023-08-29 thomas #ifdef HAVE_STDINT_H
21 4efc8dcb 2023-08-29 thomas #include <stdint.h>
23 4efc8dcb 2023-08-29 thomas #include <inttypes.h>
26 7ef51333 2023-03-08 thomas #include <limits.h>
27 47dc83f5 2023-03-08 thomas #include <sys/uio.h>
29 47dc83f5 2023-03-08 thomas #if defined(__FreeBSD__)
30 47dc83f5 2023-03-08 thomas #include <sys/endian.h>
31 47dc83f5 2023-03-08 thomas #include <sys/capsicum.h>
32 47dc83f5 2023-03-08 thomas #elif defined(__APPLE__)
33 47dc83f5 2023-03-08 thomas #include <machine/endian.h>
34 47dc83f5 2023-03-08 thomas #include <libkern/OSByteOrder.h>
35 47dc83f5 2023-03-08 thomas #include "compat/bsd-poll.h"
37 47dc83f5 2023-03-08 thomas #define FMT_SCALED_STRSIZE 7 /* minus sign, 4 digits, suffix, null byte */
39 47dc83f5 2023-03-08 thomas #define htobe16(x) OSSwapHostToBigInt16(x)
40 47dc83f5 2023-03-08 thomas #define htole16(x) OSSwapHostToLittleInt16(x)
41 47dc83f5 2023-03-08 thomas #define be16toh(x) OSSwapBigToHostInt16(x)
42 47dc83f5 2023-03-08 thomas #define le16toh(x) OSSwapLittleToHostInt16(x)
44 47dc83f5 2023-03-08 thomas #define htobe32(x) OSSwapHostToBigInt32(x)
45 47dc83f5 2023-03-08 thomas #define htole32(x) OSSwapHostToLittleInt32(x)
46 47dc83f5 2023-03-08 thomas #define be32toh(x) OSSwapBigToHostInt32(x)
47 47dc83f5 2023-03-08 thomas #define le32toh(x) OSSwapLittleToHostInt32(x)
49 47dc83f5 2023-03-08 thomas #define htobe64(x) OSSwapHostToBigInt64(x)
50 47dc83f5 2023-03-08 thomas #define htole64(x) OSSwapHostToLittleInt64(x)
51 47dc83f5 2023-03-08 thomas #define be64toh(x) OSSwapBigToHostInt64(x)
52 47dc83f5 2023-03-08 thomas #define le64toh(x) OSSwapLittleToHostInt64(x)
54 47dc83f5 2023-03-08 thomas #define st_atim st_atimespec
55 47dc83f5 2023-03-08 thomas #define st_ctim st_ctimespec
56 47dc83f5 2023-03-08 thomas #define st_mtim st_mtimespec
58 47dc83f5 2023-03-08 thomas #else /* Linux, etc... */
59 47dc83f5 2023-03-08 thomas #include <endian.h>
60 47dc83f5 2023-03-08 thomas #include <grp.h>
61 7ef51333 2023-03-08 thomas #include <stdlib.h>
64 4fccd2fe 2023-03-08 thomas #ifndef __GNUC__
65 4fccd2fe 2023-03-08 thomas #define __attribute__(a)
66 4fccd2fe 2023-03-08 thomas #ifndef __bounded__
67 4fccd2fe 2023-03-08 thomas #define __bounded__(a, b, c)
72 e24c4959 2023-08-29 thomas #ifndef UID_MAX
73 e24c4959 2023-08-29 thomas # define UID_MAX UINT_MAX /* max value for a uid_t */
75 e24c4959 2023-08-29 thomas #ifndef GID_MAX
76 e24c4959 2023-08-29 thomas # define GID_MAX UINT_MAX /* max value for a gid_t */
79 47dc83f5 2023-03-08 thomas /* For flock. */
80 47dc83f5 2023-03-08 thomas #ifndef O_EXLOCK
81 47dc83f5 2023-03-08 thomas #define O_EXLOCK 0
84 47dc83f5 2023-03-08 thomas #ifndef HAVE_FLOCK
85 47dc83f5 2023-03-08 thomas #define LOCK_SH 0
86 47dc83f5 2023-03-08 thomas #define LOCK_EX 0
87 47dc83f5 2023-03-08 thomas #define LOCK_NB 0
88 47dc83f5 2023-03-08 thomas #define flock(fd, op) (0)
90 47dc83f5 2023-03-08 thomas #include <sys/file.h>
93 47dc83f5 2023-03-08 thomas /* POSIX doesn't define WAIT_ANY, so provide it if it's not found. */
94 47dc83f5 2023-03-08 thomas #ifndef WAIT_ANY
95 47dc83f5 2023-03-08 thomas #define WAIT_ANY (-1)
98 47dc83f5 2023-03-08 thomas /* On FreeBSD (and possibly others), EAI_NODATA was removed, in favour of
99 47dc83f5 2023-03-08 thomas * using EAI_NONAME.
101 47dc83f5 2023-03-08 thomas #ifndef EAI_NODATA
102 47dc83f5 2023-03-08 thomas #define EAI_NODATA EAI_NONAME
105 47dc83f5 2023-03-08 thomas #ifndef __dead
106 47dc83f5 2023-03-08 thomas #define __dead __attribute__ ((__noreturn__))
109 47dc83f5 2023-03-08 thomas #ifndef __unused
110 47dc83f5 2023-03-08 thomas #define __unused __attribute__ ((__unused__))
113 47dc83f5 2023-03-08 thomas #ifndef __OpenBSD__
114 47dc83f5 2023-03-08 thomas #define pledge(s, p) (0)
115 47dc83f5 2023-03-08 thomas #define unveil(s, p) (0)
118 47dc83f5 2023-03-08 thomas #ifndef __FreeBSD__
119 47dc83f5 2023-03-08 thomas #define cap_enter() (0)
122 206be139 2023-03-08 thomas #ifndef HAVE_B64_NTOP
123 206be139 2023-03-08 thomas #undef b64_ntop
124 206be139 2023-03-08 thomas #undef b64_pton
125 206be139 2023-03-08 thomas int b64_ntop(u_char const *, size_t, char *, size_t);
126 206be139 2023-03-08 thomas int b64_pton(char const *, u_char *, size_t);
129 47dc83f5 2023-03-08 thomas #ifndef HAVE_SETRESGID
130 47dc83f5 2023-03-08 thomas #define setresgid(a, b, c) (0)
133 47dc83f5 2023-03-08 thomas #ifndef HAVE_SETRESUID
134 47dc83f5 2023-03-08 thomas #define setresuid(a, b, c) (0)
137 47dc83f5 2023-03-08 thomas #ifndef HAVE_LINUX_LANDLOCK_H
138 47dc83f5 2023-03-08 thomas #define landlock_no_fs() (0)
140 47dc83f5 2023-03-08 thomas int landlock_no_fs(void);
143 47dc83f5 2023-03-08 thomas #ifndef INFTIM
144 47dc83f5 2023-03-08 thomas #define INFTIM -1
147 47dc83f5 2023-03-08 thomas #ifndef HAVE_BSD_UUID
148 47dc83f5 2023-03-08 thomas #include <uuid/uuid.h>
149 47dc83f5 2023-03-08 thomas #define uuid_s_ok 0
150 47dc83f5 2023-03-08 thomas #define uuid_s_bad_version 1
151 47dc83f5 2023-03-08 thomas #define uuid_s_invalid_string_uuid 2
152 47dc83f5 2023-03-08 thomas #define uuid_s_no_memory 3
154 47dc83f5 2023-03-08 thomas /* Length of a node address (an IEEE 802 address). */
155 47dc83f5 2023-03-08 thomas #define _UUID_NODE_LEN 6
157 47dc83f5 2023-03-08 thomas struct uuid {
158 47dc83f5 2023-03-08 thomas uint32_t time_low;
159 47dc83f5 2023-03-08 thomas uint16_t time_mid;
160 47dc83f5 2023-03-08 thomas uint16_t time_hi_and_version;
161 47dc83f5 2023-03-08 thomas uint8_t clock_seq_hi_and_reserved;
162 47dc83f5 2023-03-08 thomas uint8_t clock_seq_low;
163 47dc83f5 2023-03-08 thomas uint8_t node[_UUID_NODE_LEN];
166 47dc83f5 2023-03-08 thomas int32_t uuid_equal(struct uuid *, struct uuid *, uint32_t *);
167 47dc83f5 2023-03-08 thomas int32_t uuid_is_nil(struct uuid *, uint32_t *);
168 47dc83f5 2023-03-08 thomas void uuid_create(uuid_t *, uint32_t *);
169 47dc83f5 2023-03-08 thomas void uuid_create_nil(struct uuid *, uint32_t *);
170 47dc83f5 2023-03-08 thomas void uuid_from_string(const char *, uuid_t *, uint32_t *);
171 47dc83f5 2023-03-08 thomas void uuid_to_string(uuid_t *, char **, uint32_t *);
173 47dc83f5 2023-03-08 thomas #include <uuid.h>
176 47dc83f5 2023-03-08 thomas #ifdef HAVE_QUEUE_H
177 47dc83f5 2023-03-08 thomas #include <sys/queue.h>
180 4fccd2fe 2023-03-08 thomas #ifndef HAVE_TREE_H
181 47dc83f5 2023-03-08 thomas #include "compat/tree.h"
183 4fccd2fe 2023-03-08 thomas #include <sys/tree.h>
186 47dc83f5 2023-03-08 thomas #ifdef HAVE_UTIL_H
187 47dc83f5 2023-03-08 thomas #include <util.h>
190 47dc83f5 2023-03-08 thomas #ifdef HAVE_LIBUTIL_H
191 47dc83f5 2023-03-08 thomas #include <libutil.h>
194 4fccd2fe 2023-03-08 thomas #ifndef IOV_MAX
195 4fccd2fe 2023-03-08 thomas # define IOV_MAX 1024
198 4fccd2fe 2023-03-08 thomas #ifndef HAVE_IMSG
199 47dc83f5 2023-03-08 thomas #include "compat/imsg.h"
201 8cff5e95 2023-03-08 thomas #include <imsg.h>
204 4fccd2fe 2023-03-08 thomas #ifndef HAVE_SIPHASH
205 47dc83f5 2023-03-08 thomas #include "compat/siphash.h"
207 4fccd2fe 2023-03-08 thomas #include <siphash.h>
210 47dc83f5 2023-03-08 thomas /* Include Apple-specific headers. Mostly for crypto.*/
211 47dc83f5 2023-03-08 thomas #if defined(__APPLE__)
212 47dc83f5 2023-03-08 thomas #define COMMON_DIGEST_FOR_OPENSSL
213 47dc83f5 2023-03-08 thomas #include <CommonCrypto/CommonDigest.h>
216 4c2c9121 2024-04-27 thomas.ad #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__)
217 47dc83f5 2023-03-08 thomas #define SHA256Init SHA256_Init
218 47dc83f5 2023-03-08 thomas #define SHA256Update SHA256_Update
219 47dc83f5 2023-03-08 thomas #define SHA256Final SHA256_Final
220 4c2c9121 2024-04-27 thomas.ad #define SHA2_CTX SHA256_CTX
223 47dc83f5 2023-03-08 thomas #ifndef __APPLE__
224 d9b944c7 2023-03-08 thomas #ifdef HAVE_SHA_H
225 47dc83f5 2023-03-08 thomas # include <sha.h>
227 d9b944c7 2023-03-08 thomas #ifdef HAVE_SHA1_H
228 47dc83f5 2023-03-08 thomas # include <sha1.h>
230 40d53943 2023-03-08 thomas #ifdef HAVE_SHA2_H
231 47dc83f5 2023-03-08 thomas # include <sha2.h>
233 40d53943 2023-03-08 thomas #ifdef HAVE_SHA256_H
234 47dc83f5 2023-03-08 thomas # include <sha256.h>
238 47dc83f5 2023-03-08 thomas /* Catch-all for systems where the header files don't exist and/or the below
239 47dc83f5 2023-03-08 thomas * still are not defined.
241 47dc83f5 2023-03-08 thomas #ifndef SHA256_DIGEST_LENGTH
242 47dc83f5 2023-03-08 thomas #define SHA256_DIGEST_LENGTH 32
245 47dc83f5 2023-03-08 thomas #ifndef SHA256_DIGEST_STRING_LENGTH
246 47dc83f5 2023-03-08 thomas #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
249 47dc83f5 2023-03-08 thomas #if defined(__DragonFly__)
250 47dc83f5 2023-03-08 thomas #include <openssl/sha.h>
253 47dc83f5 2023-03-08 thomas #ifndef SHA1_DIGEST_LENGTH
254 47dc83f5 2023-03-08 thomas #define SHA1_DIGEST_LENGTH SHA_DIGEST_LENGTH
255 47dc83f5 2023-03-08 thomas #define SHA1_DIGEST_STRING_LENGTH (SHA1_DIGEST_LENGTH * 2 + 1)
257 47dc83f5 2023-03-08 thomas #define SHA1_CTX SHA_CTX
258 47dc83f5 2023-03-08 thomas #define SHA1Init SHA1_Init
259 47dc83f5 2023-03-08 thomas #define SHA1Update SHA1_Update
260 47dc83f5 2023-03-08 thomas #define SHA1Final SHA1_Final
264 47dc83f5 2023-03-08 thomas * The following SA_LEN/SS_LEN dance comes from various source, notably
265 47dc83f5 2023-03-08 thomas * OpenSMTP by way of OpenNTPD and OpenBGPD (thanks everyone!). got-portable
266 47dc83f5 2023-03-08 thomas * has tweaked a lot of the following macros to suit the needs of
267 47dc83f5 2023-03-08 thomas * got-portable.
270 47dc83f5 2023-03-08 thomas /* From OpenNTPD portable */
271 47dc83f5 2023-03-08 thomas #if !defined(SA_LEN)
272 47dc83f5 2023-03-08 thomas # if defined(HAVE_STRUCT_SOCKADDR_SA_LEN)
273 47dc83f5 2023-03-08 thomas # define SA_LEN(x) ((x)->sa_len)
275 47dc83f5 2023-03-08 thomas # define SA_LEN(x) ((x)->sa_family == AF_INET6 ? \
276 47dc83f5 2023-03-08 thomas sizeof(struct sockaddr_in6) : \
277 47dc83f5 2023-03-08 thomas sizeof(struct sockaddr_in))
282 47dc83f5 2023-03-08 thomas /* From OpenBGPD portable */
283 47dc83f5 2023-03-08 thomas #if !defined(SS_LEN)
284 47dc83f5 2023-03-08 thomas # if defined(HAVE_STRUCT_SOCKADDR_STORAGE_SS_LEN)
285 47dc83f5 2023-03-08 thomas # define SS_LEN(x) ((x)->ss_len)
287 47dc83f5 2023-03-08 thomas # define SS_LEN(x) SA_LEN((struct sockaddr *)(x))
291 4fccd2fe 2023-03-08 thomas /* SOCK_NONBLOCK isn't available across BSDs... */
292 4fccd2fe 2023-03-08 thomas #if !defined(SOCK_NONBLOCK) && !defined(__linux__)
293 4fccd2fe 2023-03-08 thomas #define SOCK_NONBLOCK 00004000
296 47dc83f5 2023-03-08 thomas #ifndef HAVE_ASPRINTF
297 47dc83f5 2023-03-08 thomas /* asprintf.c */
298 47dc83f5 2023-03-08 thomas int asprintf(char **, const char *, ...);
299 47dc83f5 2023-03-08 thomas int vasprintf(char **, const char *, va_list);
302 47dc83f5 2023-03-08 thomas #ifndef HAVE_EXPLICIT_BZERO
303 47dc83f5 2023-03-08 thomas /* explicit_bzero.c */
304 47dc83f5 2023-03-08 thomas void explicit_bzero(void *, size_t);
307 47dc83f5 2023-03-08 thomas #ifndef HAVE_GETDTABLECOUNT
308 47dc83f5 2023-03-08 thomas /* getdtablecount.c */
309 47dc83f5 2023-03-08 thomas int getdtablecount(void);
312 47dc83f5 2023-03-08 thomas #ifndef HAVE_CLOSEFROM
313 47dc83f5 2023-03-08 thomas /* closefrom.c */
314 47dc83f5 2023-03-08 thomas void closefrom(int);
317 47dc83f5 2023-03-08 thomas #ifndef HAVE_STRSEP
318 47dc83f5 2023-03-08 thomas /* strsep.c */
319 47dc83f5 2023-03-08 thomas char *strsep(char **, const char *);
322 47dc83f5 2023-03-08 thomas #ifndef HAVE_STRTONUM
323 47dc83f5 2023-03-08 thomas /* strtonum.c */
324 47dc83f5 2023-03-08 thomas long long strtonum(const char *, long long, long long, const char **);
327 47dc83f5 2023-03-08 thomas #ifndef HAVE_STRLCPY
328 47dc83f5 2023-03-08 thomas /* strlcpy.c */
329 47dc83f5 2023-03-08 thomas size_t strlcpy(char *, const char *, size_t);
332 47dc83f5 2023-03-08 thomas #ifndef HAVE_STRLCAT
333 47dc83f5 2023-03-08 thomas /* strlcat.c */
334 47dc83f5 2023-03-08 thomas size_t strlcat(char *, const char *, size_t);
337 47dc83f5 2023-03-08 thomas #ifndef HAVE_STRNLEN
338 47dc83f5 2023-03-08 thomas /* strnlen.c */
339 47dc83f5 2023-03-08 thomas size_t strnlen(const char *, size_t);
342 47dc83f5 2023-03-08 thomas #ifndef HAVE_STRNDUP
343 47dc83f5 2023-03-08 thomas /* strndup.c */
344 47dc83f5 2023-03-08 thomas char *strndup(const char *, size_t);
347 47dc83f5 2023-03-08 thomas #ifndef HAVE_GETPROGNAME
348 47dc83f5 2023-03-08 thomas /* getprogname.c */
349 47dc83f5 2023-03-08 thomas const char *getprogname(void);
352 47dc83f5 2023-03-08 thomas #ifndef HAVE_GETLINE
353 47dc83f5 2023-03-08 thomas /* getline.c */
354 47dc83f5 2023-03-08 thomas ssize_t getline(char **, size_t *, FILE *);
357 47dc83f5 2023-03-08 thomas #ifndef HAVE_FREEZERO
358 47dc83f5 2023-03-08 thomas /* freezero.c */
359 47dc83f5 2023-03-08 thomas void freezero(void *, size_t);
362 47dc83f5 2023-03-08 thomas #ifndef HAVE_GETDTABLECOUNT
363 47dc83f5 2023-03-08 thomas /* getdtablecount.c */
364 47dc83f5 2023-03-08 thomas int getdtablecount(void);
367 47dc83f5 2023-03-08 thomas #ifndef HAVE_REALLOCARRAY
368 47dc83f5 2023-03-08 thomas /* reallocarray.c */
369 47dc83f5 2023-03-08 thomas void *reallocarray(void *, size_t, size_t);
372 47dc83f5 2023-03-08 thomas #ifndef HAVE_RECALLOCARRAY
373 47dc83f5 2023-03-08 thomas /* recallocarray.c */
374 47dc83f5 2023-03-08 thomas void *recallocarray(void *, size_t, size_t, size_t);
377 47dc83f5 2023-03-08 thomas #ifndef HAVE_SETPROCTITLE
378 47dc83f5 2023-03-08 thomas /* setproctitle.c */
379 47dc83f5 2023-03-08 thomas void setproctitle(const char *, ...);
382 47dc83f5 2023-03-08 thomas #ifndef HAVE_FMT_SCALED
383 47dc83f5 2023-03-08 thomas /* fmt_scaled.c */
384 47dc83f5 2023-03-08 thomas int fmt_scaled(long long, char *);
385 47dc83f5 2023-03-08 thomas int scan_scaled(char *, long long *);
386 47dc83f5 2023-03-08 thomas #define FMT_SCALED_STRSIZE 7 /* minus sign, 4 digits, suffix, null byte */
389 8d60d668 2023-03-16 thomas #if !defined(HAVE_LIBBSD) && !defined(HAVE_GETOPT_OPTRESET)
390 47dc83f5 2023-03-08 thomas /* getopt.c */
391 47dc83f5 2023-03-08 thomas extern int BSDopterr;
392 47dc83f5 2023-03-08 thomas extern int BSDoptind;
393 47dc83f5 2023-03-08 thomas extern int BSDoptopt;
394 47dc83f5 2023-03-08 thomas extern int BSDoptreset;
395 47dc83f5 2023-03-08 thomas extern char *BSDoptarg;
396 47dc83f5 2023-03-08 thomas int BSDgetopt(int, char *const *, const char *);
397 47dc83f5 2023-03-08 thomas #define getopt(ac, av, o) BSDgetopt(ac, av, o)
398 47dc83f5 2023-03-08 thomas #define opterr BSDopterr
399 47dc83f5 2023-03-08 thomas #define optind BSDoptind
400 47dc83f5 2023-03-08 thomas #define optopt BSDoptopt
401 47dc83f5 2023-03-08 thomas #define optreset BSDoptreset
402 47dc83f5 2023-03-08 thomas #define optarg BSDoptarg
405 47dc83f5 2023-03-08 thomas /* Check for some of the non-portable timespec*() functions.
406 47dc83f5 2023-03-08 thomas * This should largely come from libbsd for systems which
407 47dc83f5 2023-03-08 thomas * aren't BSD, but this will depend on how old the library
410 47dc83f5 2023-03-08 thomas #ifndef timespecisset
411 47dc83f5 2023-03-08 thomas #define timespecisset(tsp) \
412 47dc83f5 2023-03-08 thomas ((tsp)->tv_sec || (tsp)->tv_nsec)
415 47dc83f5 2023-03-08 thomas #ifndef timespecsub
416 47dc83f5 2023-03-08 thomas #define timespecsub(tsp, usp, vsp) \
418 47dc83f5 2023-03-08 thomas (vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \
419 47dc83f5 2023-03-08 thomas (vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \
420 47dc83f5 2023-03-08 thomas if ((vsp)->tv_nsec < 0) { \
421 47dc83f5 2023-03-08 thomas (vsp)->tv_sec--; \
422 47dc83f5 2023-03-08 thomas (vsp)->tv_nsec += 1000000000L; \
424 47dc83f5 2023-03-08 thomas } while (0)
427 47dc83f5 2023-03-08 thomas #ifndef timespeccmp
428 47dc83f5 2023-03-08 thomas #define timespeccmp(tvp, uvp, cmp) \
429 47dc83f5 2023-03-08 thomas (((tvp)->tv_sec == (uvp)->tv_sec) ? \
430 47dc83f5 2023-03-08 thomas ((tvp)->tv_nsec cmp (uvp)->tv_nsec) : \
431 47dc83f5 2023-03-08 thomas ((tvp)->tv_sec cmp (uvp)->tv_sec))
434 4fccd2fe 2023-03-08 thomas #ifndef HAVE_MERGESORT
435 47dc83f5 2023-03-08 thomas /* mergesort.c */
436 47dc83f5 2023-03-08 thomas int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
