compat_defs.h revision 1.17
1 /* $NetBSD: compat_defs.h,v 1.17 2002/09/13 23:35:34 bjh21 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 #include <stdlib.h> 36 #include <string.h> 37 38 #if HAVE_SYS_CDEFS_H 39 #include <sys/cdefs.h> 40 #endif 41 #if HAVE_SYS_SYSLIMITS_H 42 #include <sys/syslimits.h> 43 #endif 44 #if HAVE_SYS_SYSMACROS_H 45 /* major(), minor() on SVR4 */ 46 #include <sys/sysmacros.h> 47 #endif 48 #if HAVE_INTTYPES_H 49 #include <inttypes.h> 50 #endif 51 #if HAVE_STDDEF_H 52 #include <stddef.h> 53 #endif 54 55 /* We don't include <pwd.h> here, so that "compat_pwd.h" works. */ 56 struct passwd; 57 58 /* Assume an ANSI compiler for the host. */ 59 60 #undef __P 61 #define __P(x) x 62 63 #ifndef __BEGIN_DECLS 64 #define __BEGIN_DECLS 65 #endif 66 #ifndef __END_DECLS 67 #define __END_DECLS 68 #endif 69 70 /* Some things usually in BSD <sys/cdefs.h>. */ 71 72 #ifndef __CONCAT 73 #define __CONCAT(x,y) x ## y 74 #endif 75 #if !defined(__attribute__) && !defined(__GNUC__) 76 #define __attribute__(x) 77 #endif 78 #ifndef __RENAME 79 #define __RENAME(x) 80 #endif 81 #undef __aconst 82 #define __aconst 83 #undef __dead 84 #define __dead 85 #undef __restrict 86 #define __restrict 87 88 /* Dirent support. */ 89 90 #if HAVE_DIRENT_H 91 # include <dirent.h> 92 # define NAMLEN(dirent) (strlen((dirent)->d_name)) 93 #else 94 # define dirent direct 95 # define NAMLEN(dirent) ((dirent)->d_namlen) 96 # if HAVE_SYS_NDIR_H 97 # include <sys/ndir.h> 98 # endif 99 # if HAVE_SYS_DIR_H 100 # include <sys/dir.h> 101 # endif 102 # if HAVE_NDIR_H 103 # include <ndir.h> 104 # endif 105 #endif 106 107 /* Type substitutes. */ 108 109 #if !HAVE_ID_T 110 typedef unsigned long id_t; 111 #endif 112 113 /* Prototypes for replacement functions. */ 114 115 #if !HAVE_ASPRINTF 116 int asprintf(char **, const char *, ...); 117 #endif 118 119 #if !HAVE_ASNPRINTF 120 int asnprintf(char **, size_t, const char *, ...); 121 #endif 122 123 #if !HAVE_BASENAME 124 char *basename(char *); 125 #endif 126 127 #if !HAVE_DECL_OPTIND 128 int getopt(int, char *const *, const char *); 129 extern char *optarg; 130 extern int optind, opterr, optopt; 131 #endif 132 133 #if !HAVE_DIRNAME 134 char *dirname(char *); 135 #endif 136 137 #if !HAVE_DIRFD 138 #if HAVE_DIR_DD_FD 139 #define dirfd(dirp) ((dirp)->dd_fd) 140 #else 141 #error cannot figure out how to turn a DIR * into a fd 142 #endif 143 #endif 144 145 #if !HAVE_ERR_H 146 void err(int, const char *, ...); 147 void errx(int, const char *, ...); 148 void warn(const char *, ...); 149 void warnx(const char *, ...); 150 #endif 151 152 #if !HAVE_FGETLN 153 char *fgetln(FILE *, size_t *); 154 #endif 155 156 #if !HAVE_FLOCK 157 # define LOCK_SH 0x01 158 # define LOCK_EX 0x02 159 # define LOCK_NB 0x04 160 # define LOCK_UN 0x08 161 int flock(int, int); 162 #endif 163 164 #if !HAVE_FPARSELN 165 # define FPARSELN_UNESCESC 0x01 166 # define FPARSELN_UNESCCONT 0x02 167 # define FPARSELN_UNESCCOMM 0x04 168 # define FPARSELN_UNESCREST 0x08 169 # define FPARSELN_UNESCALL 0x0f 170 char *fparseln(FILE *, size_t *, size_t *, const char [3], int); 171 #endif 172 173 #if !HAVE_ISSETUGID 174 int issetugid(void); 175 #endif 176 177 #if !HAVE_ISBLANK && !defined(isblank) 178 #define isblank(x) ((x) == ' ' || (x) == '\t') 179 #endif 180 181 #if !HAVE_MACHINE_BSWAP_H 182 #define bswap16(x) ((((x) << 8) & 0xff00) | (((x) >> 8) & 0x00ff)) 183 184 #define bswap32(x) ((((x) << 24) & 0xff000000) | \ 185 (((x) << 8) & 0x00ff0000) | \ 186 (((x) >> 8) & 0x0000ff00) | \ 187 (((x) >> 24) & 0x000000ff)) 188 189 #define bswap64(x) (((u_int64_t)bswap32((x)) << 32) | \ 190 ((u_int64_t)bswap32((x) >> 32))) 191 #endif 192 193 #if !HAVE_PREAD 194 ssize_t pread(int, void *, size_t, off_t); 195 #endif 196 197 #if !HAVE_PWCACHE_USERDB 198 int uid_from_user(const char *, uid_t *); 199 int pwcache_userdb(int (*)(int), void (*)(void), 200 struct passwd * (*)(const char *), struct passwd * (*)(uid_t)); 201 int gid_from_group(const char *, gid_t *); 202 int pwcache_groupdb(int (*)(int), void (*)(void), 203 struct group * (*)(const char *), struct group * (*)(gid_t)); 204 #endif 205 206 #if !HAVE_PWRITE 207 ssize_t pwrite(int, const void *, size_t, off_t); 208 #endif 209 210 #if !HAVE_SETENV 211 int setenv(const char *, const char *, int); 212 #endif 213 214 #if !HAVE_DECL_SETGROUPENT 215 int setgroupent(int); 216 #endif 217 218 #if !HAVE_DECL_SETPASSENT 219 int setpassent(int); 220 #endif 221 222 #if !HAVE_SETPROGNAME 223 const char *getprogname(void); 224 void setprogname(const char *); 225 #endif 226 227 #if !HAVE_SNPRINTF 228 int snprintf(char *, size_t, const char *, ...); 229 #endif 230 231 #if !HAVE_STRLCAT 232 size_t strlcat(char *, const char *, size_t); 233 #endif 234 235 #if !HAVE_STRLCPY 236 size_t strlcpy(char *, const char *, size_t); 237 #endif 238 239 #if !HAVE_STRSEP 240 char *strsep(char **, const char *); 241 #endif 242 243 #if !HAVE_USER_FROM_UID 244 const char *user_from_uid(uid_t, int); 245 const char *group_from_gid(gid_t, int); 246 #endif 247 248 #if !HAVE_VASPRINTF 249 int vasprintf(char **, const char *, va_list); 250 #endif 251 252 #if !HAVE_VASNPRINTF 253 int vasnprintf(char **, size_t, const char *, va_list); 254 #endif 255 256 #if !HAVE_VSNPRINTF 257 int vsnprintf(char *, size_t, const char *, va_list); 258 #endif 259 260 /* 261 * getmode() and setmode() are always defined, as these function names 262 * exist but with very different meanings on other OS's. The compat 263 * versions here simply accept an octal mode number; the "u+x,g-w" type 264 * of syntax is not accepted. 265 */ 266 267 #define getmode __nbcompat_getmode 268 #define setmode __nbcompat_setmode 269 270 mode_t getmode(const void *, mode_t); 271 void *setmode(const char *); 272 273 /* Eliminate assertions embedded in binaries. */ 274 275 #undef _DIAGASSERT 276 #define _DIAGASSERT(x) 277 278 /* Heimdal expects this one. */ 279 280 #undef RCSID 281 #define RCSID(x) 282 283 /* Some definitions not available on all systems. */ 284 285 /* <errno.h> */ 286 287 #ifndef EFTYPE 288 #define EFTYPE EIO 289 #endif 290 291 /* <fcntl.h> */ 292 293 #ifndef O_EXLOCK 294 #define O_EXLOCK 0 295 #endif 296 #ifndef O_SHLOCK 297 #define O_SHLOCK 0 298 #endif 299 300 /* <limits.h> */ 301 302 #ifndef UID_MAX 303 #define UID_MAX 32767 304 #endif 305 #ifndef GID_MAX 306 #define GID_MAX UID_MAX 307 #endif 308 309 #ifndef UQUAD_MAX 310 #define UQUAD_MAX ((u_quad_t)-1) 311 #endif 312 #ifndef QUAD_MAX 313 #define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1)) 314 #endif 315 #ifndef QUAD_MIN 316 #define QUAD_MIN ((quad_t)(~QUAD_MAX)) 317 #endif 318 #ifndef ULLONG_MAX 319 #define ULLONG_MAX ((unsigned long long)-1) 320 #endif 321 #ifndef LLONG_MAX 322 #define LLONG_MAX ((long long)(ULLONG_MAX >> 1)) 323 #endif 324 #ifndef LLONG_MIN 325 #define LLONG_MIN ((long long)(~LLONG_MAX)) 326 #endif 327 328 /* <paths.h> */ 329 330 #ifndef _PATH_BSHELL 331 #define _PATH_BSHELL PATH_BSHELL 332 #endif 333 #ifndef _PATH_DEFPATH 334 #define _PATH_DEFPATH "/usr/bin:/bin:/usr/local/bin" 335 #endif 336 #ifndef _PATH_DEV 337 #define _PATH_DEV "/dev/" 338 #endif 339 #ifndef _PATH_DEVNULL 340 #define _PATH_DEVNULL _PATH_DEV "null" 341 #endif 342 #ifndef _PATH_TMP 343 #define _PATH_TMP "/tmp/" 344 #endif 345 346 /* <stdarg.h> */ 347 348 #ifndef _BSD_VA_LIST_ 349 #define _BSD_VA_LIST_ va_list 350 #endif 351 352 /* <stdint.h> */ 353 354 #ifndef UINT32_MAX 355 #define UINT32_MAX 0xffffffffU 356 #endif 357 358 /* <stdlib.h> */ 359 360 #ifndef __GNUC__ 361 # if HAVE_ALLOCA_H 362 # include <alloca.h> 363 # else 364 # ifndef alloca /* predefined by HP cc +Olibcalls */ 365 char *alloca (); 366 # endif 367 # endif 368 #endif 369 370 /* <sys/endian.h> */ 371 372 #ifndef HAVE_SYS_ENDIAN_H 373 #if WORDS_BIGENDIAN 374 #define htobe16(x) (x) 375 #define htobe32(x) (x) 376 #define htobe64(x) (x) 377 #define htole16(x) bswap16((u_int16_t)(x)) 378 #define htole32(x) bswap32((u_int32_t)(x)) 379 #define htole64(x) bswap64((u_int64_t)(x)) 380 #else 381 #define htobe16(x) bswap16((u_int16_t)(x)) 382 #define htobe32(x) bswap32((u_int32_t)(x)) 383 #define htobe64(x) bswap64((u_int64_t)(x)) 384 #define htole16(x) (x) 385 #define htole32(x) (x) 386 #define htole64(x) (x) 387 #endif 388 #define be16toh(x) htobe16(x) 389 #define be32toh(x) htobe32(x) 390 #define be64toh(x) htobe64(x) 391 #define le16toh(x) htole16(x) 392 #define le32toh(x) htole32(x) 393 #define le64toh(x) htole64(x) 394 #endif 395 396 /* <sys/mman.h> */ 397 398 #ifndef MAP_FILE 399 #define MAP_FILE 0 400 #endif 401 402 /* <sys/param.h> */ 403 404 #undef BIG_ENDIAN 405 #undef LITTLE_ENDIAN 406 #define BIG_ENDIAN 4321 407 #define LITTLE_ENDIAN 1234 408 409 #undef BYTE_ORDER 410 #if WORDS_BIGENDIAN 411 #define BYTE_ORDER BIG_ENDIAN 412 #else 413 #define BYTE_ORDER LITTLE_ENDIAN 414 #endif 415 416 #ifndef DEV_BSIZE 417 #define DEV_BSIZE (1 << 9) 418 #endif 419 420 #undef MIN 421 #undef MAX 422 #define MIN(a,b) ((a) < (b) ? (a) : (b)) 423 #define MAX(a,b) ((a) > (b) ? (a) : (b)) 424 425 #ifndef MAXBSIZE 426 #define MAXBSIZE (64 * 1024) 427 #endif 428 #ifndef MAXFRAG 429 #define MAXFRAG 8 430 #endif 431 #ifndef MAXPHYS 432 #define MAXPHYS (64 * 1024) 433 #endif 434 435 /* XXX needed by makefs; this should be done in a better way */ 436 #undef btodb 437 #define btodb(x) ((x) << 9) 438 439 #undef setbit 440 #undef clrbit 441 #undef isset 442 #undef isclr 443 #define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY)) 444 #define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY))) 445 #define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY))) 446 #define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0) 447 448 #ifndef powerof2 449 #define powerof2(x) ((((x)-1)&(x))==0) 450 #endif 451 452 #undef roundup 453 #define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) 454 455 /* <sys/stat.h> */ 456 457 #ifndef ALLPERMS 458 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO) 459 #endif 460 #ifndef DEFFILEMODE 461 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 462 #endif 463 #ifndef S_ISTXT 464 #ifdef S_ISVTX 465 #define S_ISTXT S_ISVTX 466 #else 467 #define S_ISTXT 0 468 #endif 469 #endif 470 471 /* <sys/syslimits.h> */ 472 473 #ifndef LINE_MAX 474 #define LINE_MAX 2048 475 #endif 476 477 /* <sys/time.h> */ 478 479 #ifndef timercmp 480 #define timercmp(tvp, uvp, cmp) \ 481 (((tvp)->tv_sec == (uvp)->tv_sec) ? \ 482 ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ 483 ((tvp)->tv_sec cmp (uvp)->tv_sec)) 484 #endif 485 #ifndef timeradd 486 #define timeradd(tvp, uvp, vvp) \ 487 do { \ 488 (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ 489 (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ 490 if ((vvp)->tv_usec >= 1000000) { \ 491 (vvp)->tv_sec++; \ 492 (vvp)->tv_usec -= 1000000; \ 493 } \ 494 } while (/* CONSTCOND */ 0) 495 #endif 496 #ifndef timersub 497 #define timersub(tvp, uvp, vvp) \ 498 do { \ 499 (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 500 (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ 501 if ((vvp)->tv_usec < 0) { \ 502 (vvp)->tv_sec--; \ 503 (vvp)->tv_usec += 1000000; \ 504 } \ 505 } while (/* CONSTCOND */ 0) 506 #endif 507 508 /* <sys/types.h> */ 509 510 #if !HAVE_U_QUAD_T 511 /* #define, not typedef, as quad_t exists as a struct on some systems */ 512 #define quad_t long long 513 #define u_quad_t unsigned long long 514 #define strtouq strtoull 515 #endif 516 517 #endif /* !__NETBSD_COMPAT_DEFS_H__ */ 518
Indexes created Fri Sep 26 08:10:20 GMT 2025