compat_defs.h revision 1.12
1 /* $NetBSD: compat_defs.h,v 1.12 2002/04/22 23:39:38 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 86 /* Dirent support. */ 87 88 #if HAVE_DIRENT_H 89 # include <dirent.h> 90 # define NAMLEN(dirent) (strlen((dirent)->d_name)) 91 #else 92 # define dirent direct 93 # define NAMLEN(dirent) ((dirent)->d_namlen) 94 # if HAVE_SYS_NDIR_H 95 # include <sys/ndir.h> 96 # endif 97 # if HAVE_SYS_DIR_H 98 # include <sys/dir.h> 99 # endif 100 # if HAVE_NDIR_H 101 # include <ndir.h> 102 # endif 103 #endif 104 105 /* Type substitutes. */ 106 107 #if !HAVE_ID_T 108 typedef unsigned long id_t; 109 #endif 110 111 /* Prototypes for replacement functions. */ 112 113 #if !HAVE_ASPRINTF 114 int asprintf(char **, const char *, ...); 115 #endif 116 117 #if !HAVE_ASNPRINTF 118 int asnprintf(char **, size_t, const char *, ...); 119 #endif 120 121 #if !HAVE_BASENAME 122 char *basename(char *); 123 #endif 124 125 #if !HAVE_DECL_OPTIND 126 int getopt(int, char *const *, const char *); 127 extern char *optarg; 128 extern int optind, opterr, optopt; 129 #endif 130 131 #if !HAVE_DIRNAME 132 char *dirname(char *); 133 #endif 134 135 #if !HAVE_DIRFD 136 #if HAVE_DIR_DD_FD 137 #define dirfd(dirp) ((dirp)->dd_fd) 138 #else 139 #error cannot figure out how to turn a DIR * into a fd 140 #endif 141 #endif 142 143 #if !HAVE_ERR_H 144 void err(int, const char *, ...); 145 void errx(int, const char *, ...); 146 void warn(const char *, ...); 147 void warnx(const char *, ...); 148 #endif 149 150 #if !HAVE_FGETLN 151 char *fgetln(FILE *, size_t *); 152 #endif 153 154 #if !HAVE_FLOCK 155 # define LOCK_SH 0x01 156 # define LOCK_EX 0x02 157 # define LOCK_NB 0x04 158 # define LOCK_UN 0x08 159 int flock(int, int); 160 #endif 161 162 #if !HAVE_FPARSELN 163 # define FPARSELN_UNESCESC 0x01 164 # define FPARSELN_UNESCCONT 0x02 165 # define FPARSELN_UNESCCOMM 0x04 166 # define FPARSELN_UNESCREST 0x08 167 # define FPARSELN_UNESCALL 0x0f 168 char *fparseln(FILE *, size_t *, size_t *, const char [3], int); 169 #endif 170 171 #if !HAVE_ISSETUGID 172 int issetugid(void); 173 #endif 174 175 #if !HAVE_ISBLANK && !defined(isblank) 176 #define isblank(x) ((x) == ' ' || (x) == '\t') 177 #endif 178 179 #if !HAVE_MACHINE_BSWAP_H 180 #define bswap16(x) ((((x) << 8) & 0xff00) | (((x) >> 8) & 0x00ff)) 181 182 #define bswap32(x) ((((x) << 24) & 0xff000000) | \ 183 (((x) << 8) & 0x00ff0000) | \ 184 (((x) >> 8) & 0x0000ff00) | \ 185 (((x) >> 24) & 0x000000ff)) 186 187 #define bswap64(x) (((u_int64_t)bswap32((x)) << 32) | \ 188 ((u_int64_t)bswap32((x) >> 32))) 189 #endif 190 191 #if !HAVE_PREAD 192 ssize_t pread(int, void *, size_t, off_t); 193 #endif 194 195 #if !HAVE_PWCACHE_USERDB 196 const char *user_from_uid(uid_t, int); 197 int uid_from_user(const char *, uid_t *); 198 int pwcache_userdb(int (*)(int), void (*)(void), 199 struct passwd * (*)(const char *), struct passwd * (*)(uid_t)); 200 const char *group_from_gid(gid_t, int); 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_VASPRINTF 244 int vasprintf(char **, const char *, va_list); 245 #endif 246 247 #if !HAVE_VASNPRINTF 248 int vasnprintf(char **, size_t, const char *, va_list); 249 #endif 250 251 #if !HAVE_VSNPRINTF 252 int vsnprintf(char *, size_t, const char *, va_list); 253 #endif 254 255 /* 256 * getmode() and setmode() are always defined, as these function names 257 * exist but with very different meanings on other OS's. The compat 258 * versions here simply accept an octal mode number; the "u+x,g-w" type 259 * of syntax is not accepted. 260 */ 261 262 #define getmode __nbcompat_getmode 263 #define setmode __nbcompat_setmode 264 265 mode_t getmode(const void *, mode_t); 266 void *setmode(const char *); 267 268 /* Eliminate assertions embedded in binaries. */ 269 270 #undef _DIAGASSERT 271 #define _DIAGASSERT(x) 272 273 /* Heimdal expects this one. */ 274 275 #undef RCSID 276 #define RCSID(x) 277 278 /* Some definitions not available on all systems. */ 279 280 /* <errno.h> */ 281 282 #ifndef EFTYPE 283 #define EFTYPE EIO 284 #endif 285 286 /* <fcntl.h> */ 287 288 #ifndef O_EXLOCK 289 #define O_EXLOCK 0 290 #endif 291 #ifndef O_SHLOCK 292 #define O_SHLOCK 0 293 #endif 294 295 /* <limits.h> */ 296 297 #ifndef UID_MAX 298 #define UID_MAX 32767 299 #endif 300 #ifndef GID_MAX 301 #define GID_MAX UID_MAX 302 #endif 303 304 #ifndef UQUAD_MAX 305 #define UQUAD_MAX ((u_quad_t)-1) 306 #endif 307 #ifndef QUAD_MAX 308 #define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1)) 309 #endif 310 #ifndef QUAD_MIN 311 #define QUAD_MIN ((quad_t)(~QUAD_MAX)) 312 #endif 313 #ifndef ULLONG_MAX 314 #define ULLONG_MAX ((unsigned long long)-1) 315 #endif 316 #ifndef LLONG_MAX 317 #define LLONG_MAX ((long long)(ULLONG_MAX >> 1)) 318 #endif 319 #ifndef LLONG_MIN 320 #define LLONG_MIN ((long long)(~LLONG_MAX)) 321 #endif 322 323 /* <paths.h> */ 324 325 #ifndef _PATH_BSHELL 326 #if defined(__sun) 327 /* Sun's /bin/sh is obnoxiously broken. */ 328 #define _PATH_BSHELL "/usr/xpg4/bin/sh" 329 #else 330 #define _PATH_BSHELL "/bin/sh" 331 #endif 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 /* <sys/endian.h> */ 353 354 #ifndef HAVE_SYS_ENDIAN_H 355 #if WORDS_BIGENDIAN 356 #define htobe16(x) (x) 357 #define htobe32(x) (x) 358 #define htobe64(x) (x) 359 #define htole16(x) bswap16((u_int16_t)(x)) 360 #define htole32(x) bswap32((u_int32_t)(x)) 361 #define htole64(x) bswap64((u_int64_t)(x)) 362 #else 363 #define htobe16(x) bswap16((u_int16_t)(x)) 364 #define htobe32(x) bswap32((u_int32_t)(x)) 365 #define htobe64(x) bswap64((u_int64_t)(x)) 366 #define htole16(x) (x) 367 #define htole32(x) (x) 368 #define htole64(x) (x) 369 #endif 370 #define be16toh(x) htobe16(x) 371 #define be32toh(x) htobe32(x) 372 #define be64toh(x) htobe64(x) 373 #define le16toh(x) htole16(x) 374 #define le32toh(x) htole32(x) 375 #define le64toh(x) htole64(x) 376 #endif 377 378 /* <stdint.h> */ 379 380 #ifndef UINT32_MAX 381 #define UINT32_MAX 0xffffffffU 382 #endif 383 384 /* <sys/mman.h> */ 385 386 #ifndef MAP_FILE 387 #define MAP_FILE 0 388 #endif 389 390 /* <sys/param.h> */ 391 392 #undef BIG_ENDIAN 393 #undef LITTLE_ENDIAN 394 #define BIG_ENDIAN 4321 395 #define LITTLE_ENDIAN 1234 396 397 #undef BYTE_ORDER 398 #if WORDS_BIGENDIAN 399 #define BYTE_ORDER BIG_ENDIAN 400 #else 401 #define BYTE_ORDER LITTLE_ENDIAN 402 #endif 403 404 #ifndef DEV_BSIZE 405 #define DEV_BSIZE (1 << 9) 406 #endif 407 408 #undef MIN 409 #undef MAX 410 #define MIN(a,b) ((a) < (b) ? (a) : (b)) 411 #define MAX(a,b) ((a) > (b) ? (a) : (b)) 412 413 #ifndef MAXBSIZE 414 #define MAXBSIZE (64 * 1024) 415 #endif 416 #ifndef MAXFRAG 417 #define MAXFRAG 8 418 #endif 419 #ifndef MAXPHYS 420 #define MAXPHYS (64 * 1024) 421 #endif 422 423 /* XXX needed by makefs; this should be done in a better way */ 424 #undef btodb 425 #define btodb(x) ((x) << 9) 426 427 #undef setbit 428 #undef clrbit 429 #undef isset 430 #undef isclr 431 #define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY)) 432 #define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY))) 433 #define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY))) 434 #define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0) 435 436 #ifndef powerof2 437 #define powerof2(x) ((((x)-1)&(x))==0) 438 #endif 439 440 #undef roundup 441 #define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) 442 443 /* <sys/stat.h> */ 444 445 #ifndef ALLPERMS 446 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO) 447 #endif 448 #ifndef DEFFILEMODE 449 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 450 #endif 451 #ifndef S_ISTXT 452 #ifdef S_ISVTX 453 #define S_ISTXT S_ISVTX 454 #else 455 #define S_ISTXT 0 456 #endif 457 #endif 458 459 /* <sys/syslimits.h> */ 460 461 #ifndef LINE_MAX 462 #define LINE_MAX 2048 463 #endif 464 465 /* <sys/time.h> */ 466 467 #ifndef timercmp 468 #define timercmp(tvp, uvp, cmp) \ 469 (((tvp)->tv_sec == (uvp)->tv_sec) ? \ 470 ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ 471 ((tvp)->tv_sec cmp (uvp)->tv_sec)) 472 #endif 473 #ifndef timeradd 474 #define timeradd(tvp, uvp, vvp) \ 475 do { \ 476 (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ 477 (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ 478 if ((vvp)->tv_usec >= 1000000) { \ 479 (vvp)->tv_sec++; \ 480 (vvp)->tv_usec -= 1000000; \ 481 } \ 482 } while (/* CONSTCOND */ 0) 483 #endif 484 #ifndef timersub 485 #define timersub(tvp, uvp, vvp) \ 486 do { \ 487 (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 488 (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ 489 if ((vvp)->tv_usec < 0) { \ 490 (vvp)->tv_sec--; \ 491 (vvp)->tv_usec += 1000000; \ 492 } \ 493 } while (/* CONSTCOND */ 0) 494 #endif 495 496 /* <sys/types.h> */ 497 498 #if !HAVE_U_QUAD_T 499 /* #define, not typedef, as quad_t exists as a struct on some systems */ 500 #define quad_t long long 501 #define u_quad_t unsigned long long 502 #define strtouq strtoull 503 #endif 504 505 #endif /* !__NETBSD_COMPAT_DEFS_H__ */ 506
Indexes created Sat Sep 27 22:09:54 GMT 2025