compat_defs.h revision 1.15.2.3
1 /* $NetBSD: compat_defs.h,v 1.15.2.3 2004/06/14 16:56:58 tron Exp $ */ 2 3 #ifndef __NETBSD_COMPAT_DEFS_H__ 4 #define __NETBSD_COMPAT_DEFS_H__ 5 6 /* Work around some complete brain damage. */ 7 8 /* 9 * Linux: <features.h> turns on _POSIX_SOURCE by default, even though the 10 * program (not the OS) should do that. Preload <features.h> to keep any 11 * of this crap from being pulled in, and undefine _POSIX_SOURCE. 12 */ 13 14 #if defined(__linux__) && HAVE_FEATURES_H 15 #include <features.h> 16 #endif 17 18 #undef _POSIX_SOURCE 19 #undef _POSIX_C_SOURCE 20 21 /* System headers needed for (re)definitions below. */ 22 23 #include <sys/types.h> 24 #include <sys/mman.h> 25 #include <sys/param.h> 26 #include <sys/stat.h> 27 #include <sys/time.h> 28 #include <errno.h> 29 #include <fcntl.h> 30 #include <grp.h> 31 #include <limits.h> 32 #include <paths.h> 33 #include <stdarg.h> 34 #include <stdio.h> 35 36 /* So extra NetBSD extentions don't get pulled in */ 37 #ifdef __NetBSD__ 38 #define _POSIX_C_SOURCE 39 #undef _NETBSD_SOURCE 40 #endif 41 42 #include <stdlib.h> 43 44 #ifdef __NetBSD__ 45 #undef _POSIX_C_SOURCE 46 #endif 47 48 #include <string.h> 49 50 #if HAVE_SYS_CDEFS_H 51 #include <sys/cdefs.h> 52 #endif 53 #if HAVE_SYS_SYSLIMITS_H 54 #include <sys/syslimits.h> 55 #endif 56 #if HAVE_SYS_SYSMACROS_H 57 /* major(), minor() on SVR4 */ 58 #include <sys/sysmacros.h> 59 #endif 60 #if HAVE_INTTYPES_H 61 #include <inttypes.h> 62 #endif 63 #if HAVE_STDDEF_H 64 #include <stddef.h> 65 #endif 66 67 /* We don't include <pwd.h> here, so that "compat_pwd.h" works. */ 68 struct passwd; 69 70 /* Assume an ANSI compiler for the host. */ 71 72 #undef __P 73 #define __P(x) x 74 75 #ifndef __BEGIN_DECLS 76 #define __BEGIN_DECLS 77 #endif 78 #ifndef __END_DECLS 79 #define __END_DECLS 80 #endif 81 82 /* Some things usually in BSD <sys/cdefs.h>. */ 83 84 #ifndef __CONCAT 85 #define __CONCAT(x,y) x ## y 86 #endif 87 #if !defined(__attribute__) && !defined(__GNUC__) 88 #define __attribute__(x) 89 #endif 90 #ifndef __RENAME 91 #define __RENAME(x) 92 #endif 93 #undef __aconst 94 #define __aconst 95 #undef __dead 96 #define __dead 97 #undef __restrict 98 #define __restrict 99 100 /* Dirent support. */ 101 102 #if HAVE_DIRENT_H 103 # include <dirent.h> 104 # define NAMLEN(dirent) (strlen((dirent)->d_name)) 105 #else 106 # define dirent direct 107 # define NAMLEN(dirent) ((dirent)->d_namlen) 108 # if HAVE_SYS_NDIR_H 109 # include <sys/ndir.h> 110 # endif 111 # if HAVE_SYS_DIR_H 112 # include <sys/dir.h> 113 # endif 114 # if HAVE_NDIR_H 115 # include <ndir.h> 116 # endif 117 #endif 118 119 /* Type substitutes. */ 120 121 #if !HAVE_ID_T 122 typedef unsigned long id_t; 123 #endif 124 125 /* Prototypes for replacement functions. */ 126 127 #if !HAVE_ASPRINTF 128 int asprintf(char **, const char *, ...); 129 #endif 130 131 #if !HAVE_ASNPRINTF 132 int asnprintf(char **, size_t, const char *, ...); 133 #endif 134 135 #if !HAVE_BASENAME 136 char *basename(char *); 137 #endif 138 139 #if !HAVE_DECL_OPTIND 140 int getopt(int, char *const *, const char *); 141 extern char *optarg; 142 extern int optind, opterr, optopt; 143 #endif 144 145 #if !HAVE_DIRNAME 146 char *dirname(char *); 147 #endif 148 149 #if !HAVE_DIRFD 150 #if HAVE_DIR_DD_FD 151 #define dirfd(dirp) ((dirp)->dd_fd) 152 #else 153 #error cannot figure out how to turn a DIR * into a fd 154 #endif 155 #endif 156 157 #if !HAVE_ERR_H 158 void err(int, const char *, ...); 159 void errx(int, const char *, ...); 160 void warn(const char *, ...); 161 void warnx(const char *, ...); 162 #endif 163 164 #if !HAVE_FGETLN 165 char *fgetln(FILE *, size_t *); 166 #endif 167 168 #if !HAVE_FLOCK 169 # define LOCK_SH 0x01 170 # define LOCK_EX 0x02 171 # define LOCK_NB 0x04 172 # define LOCK_UN 0x08 173 int flock(int, int); 174 #endif 175 176 #if !HAVE_FPARSELN 177 # define FPARSELN_UNESCESC 0x01 178 # define FPARSELN_UNESCCONT 0x02 179 # define FPARSELN_UNESCCOMM 0x04 180 # define FPARSELN_UNESCREST 0x08 181 # define FPARSELN_UNESCALL 0x0f 182 char *fparseln(FILE *, size_t *, size_t *, const char [3], int); 183 #endif 184 185 #if !HAVE_ISSETUGID 186 int issetugid(void); 187 #endif 188 189 #if !HAVE_ISBLANK && !defined(isblank) 190 #define isblank(x) ((x) == ' ' || (x) == '\t') 191 #endif 192 193 #if !HAVE_MACHINE_BSWAP_H 194 #define bswap16(x) ((((x) << 8) & 0xff00) | (((x) >> 8) & 0x00ff)) 195 196 #define bswap32(x) ((((x) << 24) & 0xff000000) | \ 197 (((x) << 8) & 0x00ff0000) | \ 198 (((x) >> 8) & 0x0000ff00) | \ 199 (((x) >> 24) & 0x000000ff)) 200 201 #define bswap64(x) (((u_int64_t)bswap32((x)) << 32) | \ 202 ((u_int64_t)bswap32((x) >> 32))) 203 #endif 204 205 #if !HAVE_MKSTEMP 206 int mkstemp(char *); 207 #endif 208 209 #if !HAVE_MKDTEMP 210 char *mkdtemp(char *); 211 #endif 212 213 #if !HAVE_MKSTEMP || !HAVE_MKDTEMP 214 /* This is a prototype for the internal function. */ 215 int gettemp(char *, int *, int); 216 #endif 217 218 #if !HAVE_PREAD 219 ssize_t pread(int, void *, size_t, off_t); 220 #endif 221 222 #if !HAVE_PWCACHE_USERDB 223 const char *user_from_uid(uid_t, int); 224 int uid_from_user(const char *, uid_t *); 225 int pwcache_userdb(int (*)(int), void (*)(void), 226 struct passwd * (*)(const char *), struct passwd * (*)(uid_t)); 227 const char *group_from_gid(gid_t, int); 228 int gid_from_group(const char *, gid_t *); 229 int pwcache_groupdb(int (*)(int), void (*)(void), 230 struct group * (*)(const char *), struct group * (*)(gid_t)); 231 #endif 232 233 #if !HAVE_PWRITE 234 ssize_t pwrite(int, const void *, size_t, off_t); 235 #endif 236 237 #if !HAVE_SETENV 238 int setenv(const char *, const char *, int); 239 #endif 240 241 #if !HAVE_DECL_SETGROUPENT 242 int setgroupent(int); 243 #endif 244 245 #if !HAVE_DECL_SETPASSENT 246 int setpassent(int); 247 #endif 248 249 #if !HAVE_SETPROGNAME 250 const char *getprogname(void); 251 void setprogname(const char *); 252 #endif 253 254 #if !HAVE_SNPRINTF 255 int snprintf(char *, size_t, const char *, ...); 256 #endif 257 258 #if !HAVE_STRLCAT 259 size_t strlcat(char *, const char *, size_t); 260 #endif 261 262 #if !HAVE_STRLCPY 263 size_t strlcpy(char *, const char *, size_t); 264 #endif 265 266 #if !HAVE_STRSEP 267 char *strsep(char **, const char *); 268 #endif 269 270 #if !HAVE_VASPRINTF 271 int vasprintf(char **, const char *, va_list); 272 #endif 273 274 #if !HAVE_VASNPRINTF 275 int vasnprintf(char **, size_t, const char *, va_list); 276 #endif 277 278 #if !HAVE_VSNPRINTF 279 int vsnprintf(char *, size_t, const char *, va_list); 280 #endif 281 282 /* 283 * getmode() and setmode() are always defined, as these function names 284 * exist but with very different meanings on other OS's. The compat 285 * versions here simply accept an octal mode number; the "u+x,g-w" type 286 * of syntax is not accepted. 287 */ 288 289 #define getmode __nbcompat_getmode 290 #define setmode __nbcompat_setmode 291 292 mode_t getmode(const void *, mode_t); 293 void *setmode(const char *); 294 295 /* Eliminate assertions embedded in binaries. */ 296 297 #undef _DIAGASSERT 298 #define _DIAGASSERT(x) 299 300 /* Heimdal expects this one. */ 301 302 #undef RCSID 303 #define RCSID(x) 304 305 /* Some definitions not available on all systems. */ 306 307 /* <errno.h> */ 308 309 #ifndef EFTYPE 310 #define EFTYPE EIO 311 #endif 312 313 /* <fcntl.h> */ 314 315 #ifndef O_EXLOCK 316 #define O_EXLOCK 0 317 #endif 318 #ifndef O_SHLOCK 319 #define O_SHLOCK 0 320 #endif 321 322 /* <limits.h> */ 323 324 #ifndef UID_MAX 325 #define UID_MAX 32767 326 #endif 327 #ifndef GID_MAX 328 #define GID_MAX UID_MAX 329 #endif 330 331 #ifndef UQUAD_MAX 332 #define UQUAD_MAX ((u_quad_t)-1) 333 #endif 334 #ifndef QUAD_MAX 335 #define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1)) 336 #endif 337 #ifndef QUAD_MIN 338 #define QUAD_MIN ((quad_t)(~QUAD_MAX)) 339 #endif 340 #ifndef ULLONG_MAX 341 #define ULLONG_MAX ((unsigned long long)-1) 342 #endif 343 #ifndef LLONG_MAX 344 #define LLONG_MAX ((long long)(ULLONG_MAX >> 1)) 345 #endif 346 #ifndef LLONG_MIN 347 #define LLONG_MIN ((long long)(~LLONG_MAX)) 348 #endif 349 350 /* <paths.h> */ 351 352 #ifndef _PATH_BSHELL 353 #define _PATH_BSHELL PATH_BSHELL 354 #endif 355 #ifndef _PATH_DEFPATH 356 #define _PATH_DEFPATH "/usr/bin:/bin:/usr/local/bin" 357 #endif 358 #ifndef _PATH_DEV 359 #define _PATH_DEV "/dev/" 360 #endif 361 #ifndef _PATH_DEVNULL 362 #define _PATH_DEVNULL _PATH_DEV "null" 363 #endif 364 #ifndef _PATH_TMP 365 #define _PATH_TMP "/tmp/" 366 #endif 367 368 /* <stdarg.h> */ 369 370 #ifndef _BSD_VA_LIST_ 371 #define _BSD_VA_LIST_ va_list 372 #endif 373 374 /* <stdint.h> */ 375 376 #ifndef UINT32_MAX 377 #define UINT32_MAX 0xffffffffU 378 #endif 379 380 /* <stdlib.h> */ 381 382 #ifndef __GNUC__ 383 # if HAVE_ALLOCA_H 384 # include <alloca.h> 385 # else 386 # ifndef alloca /* predefined by HP cc +Olibcalls */ 387 char *alloca (); 388 # endif 389 # endif 390 #endif 391 392 /* <sys/endian.h> */ 393 394 #ifndef HAVE_SYS_ENDIAN_H 395 #if WORDS_BIGENDIAN 396 #define htobe16(x) (x) 397 #define htobe32(x) (x) 398 #define htobe64(x) (x) 399 #define htole16(x) bswap16((u_int16_t)(x)) 400 #define htole32(x) bswap32((u_int32_t)(x)) 401 #define htole64(x) bswap64((u_int64_t)(x)) 402 #else 403 #define htobe16(x) bswap16((u_int16_t)(x)) 404 #define htobe32(x) bswap32((u_int32_t)(x)) 405 #define htobe64(x) bswap64((u_int64_t)(x)) 406 #define htole16(x) (x) 407 #define htole32(x) (x) 408 #define htole64(x) (x) 409 #endif 410 #define be16toh(x) htobe16(x) 411 #define be32toh(x) htobe32(x) 412 #define be64toh(x) htobe64(x) 413 #define le16toh(x) htole16(x) 414 #define le32toh(x) htole32(x) 415 #define le64toh(x) htole64(x) 416 #endif 417 418 /* <sys/mman.h> */ 419 420 #ifndef MAP_FILE 421 #define MAP_FILE 0 422 #endif 423 424 /* <sys/param.h> */ 425 426 #undef BIG_ENDIAN 427 #undef LITTLE_ENDIAN 428 #define BIG_ENDIAN 4321 429 #define LITTLE_ENDIAN 1234 430 431 #undef BYTE_ORDER 432 #if WORDS_BIGENDIAN 433 #define BYTE_ORDER BIG_ENDIAN 434 #else 435 #define BYTE_ORDER LITTLE_ENDIAN 436 #endif 437 438 #ifndef DEV_BSIZE 439 #define DEV_BSIZE (1 << 9) 440 #endif 441 442 #undef MIN 443 #undef MAX 444 #define MIN(a,b) ((a) < (b) ? (a) : (b)) 445 #define MAX(a,b) ((a) > (b) ? (a) : (b)) 446 447 #ifndef MAXBSIZE 448 #define MAXBSIZE (64 * 1024) 449 #endif 450 #ifndef MAXFRAG 451 #define MAXFRAG 8 452 #endif 453 #ifndef MAXPHYS 454 #define MAXPHYS (64 * 1024) 455 #endif 456 457 /* XXX needed by makefs; this should be done in a better way */ 458 #undef btodb 459 #define btodb(x) ((x) << 9) 460 461 #undef setbit 462 #undef clrbit 463 #undef isset 464 #undef isclr 465 #define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY)) 466 #define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY))) 467 #define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY))) 468 #define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0) 469 470 #ifndef powerof2 471 #define powerof2(x) ((((x)-1)&(x))==0) 472 #endif 473 474 #undef roundup 475 #define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) 476 477 /* <sys/stat.h> */ 478 479 #ifndef ALLPERMS 480 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO) 481 #endif 482 #ifndef DEFFILEMODE 483 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 484 #endif 485 #ifndef S_ISTXT 486 #ifdef S_ISVTX 487 #define S_ISTXT S_ISVTX 488 #else 489 #define S_ISTXT 0 490 #endif 491 #endif 492 493 /* <sys/syslimits.h> */ 494 495 #ifndef LINE_MAX 496 #define LINE_MAX 2048 497 #endif 498 499 /* <sys/time.h> */ 500 501 #ifndef timercmp 502 #define timercmp(tvp, uvp, cmp) \ 503 (((tvp)->tv_sec == (uvp)->tv_sec) ? \ 504 ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ 505 ((tvp)->tv_sec cmp (uvp)->tv_sec)) 506 #endif 507 #ifndef timeradd 508 #define timeradd(tvp, uvp, vvp) \ 509 do { \ 510 (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ 511 (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ 512 if ((vvp)->tv_usec >= 1000000) { \ 513 (vvp)->tv_sec++; \ 514 (vvp)->tv_usec -= 1000000; \ 515 } \ 516 } while (/* CONSTCOND */ 0) 517 #endif 518 #ifndef timersub 519 #define timersub(tvp, uvp, vvp) \ 520 do { \ 521 (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 522 (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ 523 if ((vvp)->tv_usec < 0) { \ 524 (vvp)->tv_sec--; \ 525 (vvp)->tv_usec += 1000000; \ 526 } \ 527 } while (/* CONSTCOND */ 0) 528 #endif 529 530 /* <sys/types.h> */ 531 532 #if !HAVE_U_QUAD_T 533 /* #define, not typedef, as quad_t exists as a struct on some systems */ 534 #define quad_t long long 535 #define u_quad_t unsigned long long 536 #define strtouq strtoull 537 #endif 538 539 #endif /* !__NETBSD_COMPAT_DEFS_H__ */ 540
Indexes created Wed Oct 22 13:09:56 GMT 2025