rsc | 8ad5179 | 2004-03-25 23:03:57 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Lib9 is miscellany from the Plan 9 C library that doesn't |
| 3 | * fit into libutf or into libfmt, but is still missing from traditional |
| 4 | * Unix C libraries. |
| 5 | */ |
| 6 | #ifndef _LIBC_H_ |
| 7 | #define _LIBC_H_ 1 |
| 8 | #if defined(__cplusplus) |
| 9 | extern "C" { |
| 10 | #endif |
rsc | b2cfc4e | 2003-09-30 17:47:41 +0000 | [diff] [blame] | 11 | |
rsc | 8ad5179 | 2004-03-25 23:03:57 +0000 | [diff] [blame] | 12 | /* |
| 13 | * Begin usual libc.h |
| 14 | */ |
| 15 | |
| 16 | #define nil ((void*)0) |
| 17 | #define nelem(x) (sizeof(x)/sizeof((x)[0])) |
| 18 | |
| 19 | #ifndef offsetof |
| 20 | #define offsetof(s, m) (ulong)(&(((s*)0)->m)) |
| 21 | #endif |
| 22 | |
| 23 | /* |
| 24 | * mem routines (provided by system <string.h>) |
| 25 | * |
| 26 | extern void* memccpy(void*, void*, int, ulong); |
| 27 | extern void* memset(void*, int, ulong); |
| 28 | extern int memcmp(void*, void*, ulong); |
| 29 | extern void* memcpy(void*, void*, ulong); |
| 30 | extern void* memmove(void*, void*, ulong); |
| 31 | extern void* memchr(void*, int, ulong); |
| 32 | */ |
| 33 | |
| 34 | /* |
| 35 | * string routines (provided by system <string.h>) |
| 36 | * |
| 37 | extern char* strcat(char*, char*); |
| 38 | extern char* strchr(char*, int); |
| 39 | extern int strcmp(char*, char*); |
| 40 | extern char* strcpy(char*, char*); |
| 41 | */ |
| 42 | extern char* strecpy(char*, char*, char*); |
| 43 | /* |
| 44 | extern char* strdup(char*); |
| 45 | extern char* strncat(char*, char*, long); |
| 46 | extern char* strncpy(char*, char*, long); |
| 47 | extern int strncmp(char*, char*, long); |
| 48 | extern char* strpbrk(char*, char*); |
| 49 | extern char* strrchr(char*, int); |
| 50 | extern char* strtok(char*, char*); |
| 51 | extern long strlen(char*); |
| 52 | extern long strspn(char*, char*); |
| 53 | extern long strcspn(char*, char*); |
| 54 | extern char* strstr(char*, char*); |
| 55 | */ |
| 56 | extern int cistrncmp(char*, char*, int); |
| 57 | extern int cistrcmp(char*, char*); |
| 58 | extern char* cistrstr(char*, char*); |
| 59 | extern int tokenize(char*, char**, int); |
| 60 | |
| 61 | /* |
| 62 | enum |
| 63 | { |
| 64 | UTFmax = 3, |
| 65 | Runesync = 0x80, |
| 66 | Runeself = 0x80, |
| 67 | Runeerror = 0x80, |
| 68 | }; |
| 69 | */ |
| 70 | |
| 71 | /* |
| 72 | * rune routines (provided by <utf.h> |
| 73 | * |
| 74 | extern int runetochar(char*, Rune*); |
| 75 | extern int chartorune(Rune*, char*); |
| 76 | extern int runelen(long); |
| 77 | extern int runenlen(Rune*, int); |
| 78 | extern int fullrune(char*, int); |
| 79 | extern int utflen(char*); |
| 80 | extern int utfnlen(char*, long); |
| 81 | extern char* utfrune(char*, long); |
| 82 | extern char* utfrrune(char*, long); |
| 83 | extern char* utfutf(char*, char*); |
| 84 | extern char* utfecpy(char*, char*, char*); |
| 85 | |
| 86 | extern Rune* runestrcat(Rune*, Rune*); |
| 87 | extern Rune* runestrchr(Rune*, Rune); |
| 88 | extern int runestrcmp(Rune*, Rune*); |
| 89 | extern Rune* runestrcpy(Rune*, Rune*); |
| 90 | extern Rune* runestrncpy(Rune*, Rune*, long); |
| 91 | extern Rune* runestrecpy(Rune*, Rune*, Rune*); |
| 92 | extern Rune* runestrdup(Rune*); |
| 93 | extern Rune* runestrncat(Rune*, Rune*, long); |
| 94 | extern int runestrncmp(Rune*, Rune*, long); |
| 95 | extern Rune* runestrrchr(Rune*, Rune); |
| 96 | extern long runestrlen(Rune*); |
| 97 | extern Rune* runestrstr(Rune*, Rune*); |
| 98 | |
| 99 | extern Rune tolowerrune(Rune); |
| 100 | extern Rune totitlerune(Rune); |
| 101 | extern Rune toupperrune(Rune); |
| 102 | extern int isalpharune(Rune); |
| 103 | extern int islowerrune(Rune); |
| 104 | extern int isspacerune(Rune); |
| 105 | extern int istitlerune(Rune); |
| 106 | extern int isupperrune(Rune); |
| 107 | */ |
| 108 | |
| 109 | /* |
| 110 | * malloc (provied by system <stdlib.h>) |
| 111 | * |
| 112 | extern void* malloc(ulong); |
| 113 | */ |
| 114 | extern void* p9malloc(ulong); |
| 115 | extern void* mallocz(ulong, int); |
rsc | 7e0e652 | 2004-05-23 00:58:23 +0000 | [diff] [blame^] | 116 | extern void p9free(void*); |
| 117 | extern void* p9calloc(ulong, ulong); |
| 118 | extern void* p9realloc(void*, ulong); |
rsc | 8ad5179 | 2004-03-25 23:03:57 +0000 | [diff] [blame] | 119 | extern void setmalloctag(void*, ulong); |
| 120 | extern void setrealloctag(void*, ulong); |
| 121 | extern ulong getmalloctag(void*); |
| 122 | extern ulong getrealloctag(void*); |
| 123 | /* |
| 124 | extern void* malloctopoolblock(void*); |
| 125 | */ |
| 126 | #ifndef NOPLAN9DEFINES |
| 127 | #define malloc p9malloc |
rsc | 7e0e652 | 2004-05-23 00:58:23 +0000 | [diff] [blame^] | 128 | #define realloc p9realloc |
| 129 | #define calloc p9calloc |
| 130 | #define free p9free |
rsc | 8ad5179 | 2004-03-25 23:03:57 +0000 | [diff] [blame] | 131 | #endif |
| 132 | |
| 133 | /* |
| 134 | * print routines (provided by <fmt.h>) |
| 135 | * |
| 136 | typedef struct Fmt Fmt; |
| 137 | struct Fmt{ |
| 138 | uchar runes; |
| 139 | void *start; |
| 140 | void *to; |
| 141 | void *stop; |
| 142 | int (*flush)(Fmt *); |
| 143 | void *farg; |
| 144 | int nfmt; |
| 145 | va_list args; |
| 146 | int r; |
| 147 | int width; |
| 148 | int prec; |
| 149 | ulong flags; |
| 150 | }; |
| 151 | |
| 152 | enum{ |
| 153 | FmtWidth = 1, |
| 154 | FmtLeft = FmtWidth << 1, |
| 155 | FmtPrec = FmtLeft << 1, |
| 156 | FmtSharp = FmtPrec << 1, |
| 157 | FmtSpace = FmtSharp << 1, |
| 158 | FmtSign = FmtSpace << 1, |
| 159 | FmtZero = FmtSign << 1, |
| 160 | FmtUnsigned = FmtZero << 1, |
| 161 | FmtShort = FmtUnsigned << 1, |
| 162 | FmtLong = FmtShort << 1, |
| 163 | FmtVLong = FmtLong << 1, |
| 164 | FmtComma = FmtVLong << 1, |
| 165 | FmtByte = FmtComma << 1, |
| 166 | |
| 167 | FmtFlag = FmtByte << 1 |
| 168 | }; |
| 169 | |
| 170 | extern int print(char*, ...); |
| 171 | extern char* seprint(char*, char*, char*, ...); |
| 172 | extern char* vseprint(char*, char*, char*, va_list); |
| 173 | extern int snprint(char*, int, char*, ...); |
| 174 | extern int vsnprint(char*, int, char*, va_list); |
| 175 | extern char* smprint(char*, ...); |
| 176 | extern char* vsmprint(char*, va_list); |
| 177 | extern int sprint(char*, char*, ...); |
| 178 | extern int fprint(int, char*, ...); |
| 179 | extern int vfprint(int, char*, va_list); |
| 180 | |
| 181 | extern int runesprint(Rune*, char*, ...); |
| 182 | extern int runesnprint(Rune*, int, char*, ...); |
| 183 | extern int runevsnprint(Rune*, int, char*, va_list); |
| 184 | extern Rune* runeseprint(Rune*, Rune*, char*, ...); |
| 185 | extern Rune* runevseprint(Rune*, Rune*, char*, va_list); |
| 186 | extern Rune* runesmprint(char*, ...); |
| 187 | extern Rune* runevsmprint(char*, va_list); |
| 188 | |
| 189 | extern int fmtfdinit(Fmt*, int, char*, int); |
| 190 | extern int fmtfdflush(Fmt*); |
| 191 | extern int fmtstrinit(Fmt*); |
| 192 | extern char* fmtstrflush(Fmt*); |
| 193 | extern int runefmtstrinit(Fmt*); |
| 194 | extern Rune* runefmtstrflush(Fmt*); |
| 195 | |
| 196 | extern int fmtinstall(int, int (*)(Fmt*)); |
| 197 | extern int dofmt(Fmt*, char*); |
| 198 | extern int dorfmt(Fmt*, Rune*); |
| 199 | extern int fmtprint(Fmt*, char*, ...); |
| 200 | extern int fmtvprint(Fmt*, char*, va_list); |
| 201 | extern int fmtrune(Fmt*, int); |
| 202 | extern int fmtstrcpy(Fmt*, char*); |
| 203 | extern int fmtrunestrcpy(Fmt*, Rune*); |
| 204 | */ |
| 205 | |
| 206 | /* |
| 207 | * error string for %r |
| 208 | * supplied on per os basis, not part of fmt library |
| 209 | * |
| 210 | * (provided by lib9, but declared in fmt.h) |
| 211 | * |
| 212 | extern int errfmt(Fmt *f); |
| 213 | */ |
| 214 | |
| 215 | /* |
| 216 | * quoted strings |
| 217 | */ |
| 218 | extern char *unquotestrdup(char*); |
| 219 | extern Rune *unquoterunestrdup(Rune*); |
| 220 | extern char *quotestrdup(char*); |
| 221 | extern Rune *quoterunestrdup(Rune*); |
| 222 | /* |
| 223 | * in fmt.h |
| 224 | * |
| 225 | extern void quotefmtinstall(void); |
| 226 | extern int quotestrfmt(Fmt*); |
| 227 | extern int quoterunestrfmt(Fmt*); |
| 228 | */ |
| 229 | #ifndef NOPLAN9DEFINES |
| 230 | #define doquote fmtdoquote |
| 231 | #endif |
| 232 | extern int needsrcquote(int); |
| 233 | |
| 234 | /* |
| 235 | * random number (in <stdlib.h>) |
| 236 | * |
| 237 | extern void srand(long); |
| 238 | extern int rand(void); |
| 239 | */ |
| 240 | extern int nrand(int); |
| 241 | extern long lrand(void); |
| 242 | extern long lnrand(long); |
| 243 | extern double frand(void); |
| 244 | extern ulong truerand(void); /* uses /dev/random */ |
| 245 | extern ulong ntruerand(ulong); /* uses /dev/random */ |
| 246 | |
| 247 | /* |
| 248 | * math |
| 249 | */ |
| 250 | extern ulong getfcr(void); |
| 251 | extern void setfsr(ulong); |
| 252 | extern ulong getfsr(void); |
| 253 | extern void setfcr(ulong); |
| 254 | extern double NaN(void); |
| 255 | extern double Inf(int); |
| 256 | extern int isNaN(double); |
| 257 | extern int isInf(double, int); |
| 258 | extern ulong umuldiv(ulong, ulong, ulong); |
| 259 | extern long muldiv(long, long, long); |
| 260 | |
| 261 | /* |
| 262 | * provided by math.h |
| 263 | * |
| 264 | extern double pow(double, double); |
| 265 | extern double atan2(double, double); |
| 266 | extern double fabs(double); |
| 267 | extern double atan(double); |
| 268 | extern double log(double); |
| 269 | extern double log10(double); |
| 270 | extern double exp(double); |
| 271 | extern double floor(double); |
| 272 | extern double ceil(double); |
| 273 | extern double hypot(double, double); |
| 274 | extern double sin(double); |
| 275 | extern double cos(double); |
| 276 | extern double tan(double); |
| 277 | extern double asin(double); |
| 278 | extern double acos(double); |
| 279 | extern double sinh(double); |
| 280 | extern double cosh(double); |
| 281 | extern double tanh(double); |
| 282 | extern double sqrt(double); |
| 283 | extern double fmod(double, double); |
| 284 | #define HUGE 3.4028234e38 |
| 285 | #define PIO2 1.570796326794896619231e0 |
| 286 | #define PI (PIO2+PIO2) |
| 287 | */ |
| 288 | #define PI M_PI |
| 289 | #define PIO2 M_PI_2 |
| 290 | |
| 291 | /* |
| 292 | * Time-of-day |
| 293 | */ |
| 294 | |
| 295 | typedef |
| 296 | struct Tm |
| 297 | { |
| 298 | int sec; |
| 299 | int min; |
| 300 | int hour; |
| 301 | int mday; |
| 302 | int mon; |
| 303 | int year; |
| 304 | int wday; |
| 305 | int yday; |
| 306 | char zone[4]; |
| 307 | int tzoff; |
| 308 | } Tm; |
| 309 | |
| 310 | extern Tm* p9gmtime(long); |
| 311 | extern Tm* p9localtime(long); |
| 312 | extern char* p9asctime(Tm*); |
| 313 | extern char* p9ctime(long); |
| 314 | extern double p9cputime(void); |
| 315 | extern long p9times(long*); |
| 316 | extern long p9tm2sec(Tm*); |
| 317 | extern vlong p9nsec(void); |
| 318 | |
| 319 | #ifndef NOPLAN9DEFINES |
| 320 | #define gmtime p9gmtime |
| 321 | #define localtime p9localtime |
| 322 | #define asctime p9asctime |
| 323 | #define ctime p9ctime |
| 324 | #define cputime p9cputime |
| 325 | #define times p9times |
| 326 | #define tm2sec p9tm2sec |
| 327 | #define nsec p9nsec |
| 328 | #endif |
| 329 | |
| 330 | /* |
| 331 | * one-of-a-kind |
| 332 | */ |
| 333 | enum |
| 334 | { |
| 335 | PNPROC = 1, |
| 336 | PNGROUP = 2, |
| 337 | }; |
| 338 | |
| 339 | /* extern int abs(int); <stdlib.h> */ |
| 340 | extern int p9atexit(void(*)(void)); |
| 341 | extern void p9atexitdont(void(*)(void)); |
| 342 | extern int atnotify(int(*)(void*, char*), int); |
| 343 | /* |
| 344 | * <stdlib.h> |
| 345 | extern double atof(char*); <stdlib.h> |
rsc | 8ad5179 | 2004-03-25 23:03:57 +0000 | [diff] [blame] | 346 | */ |
rsc | a67406e | 2004-04-08 19:31:48 +0000 | [diff] [blame] | 347 | extern int p9atoi(char*); |
| 348 | extern long p9atol(char*); |
| 349 | extern vlong p9atoll(char*); |
rsc | 8ad5179 | 2004-03-25 23:03:57 +0000 | [diff] [blame] | 350 | extern double charstod(int(*)(void*), void*); |
| 351 | extern char* cleanname(char*); |
| 352 | extern int p9decrypt(void*, void*, int); |
| 353 | extern int p9encrypt(void*, void*, int); |
| 354 | extern int dec64(uchar*, int, char*, int); |
| 355 | extern int enc64(char*, int, uchar*, int); |
| 356 | extern int dec32(uchar*, int, char*, int); |
| 357 | extern int enc32(char*, int, uchar*, int); |
| 358 | extern int dec16(uchar*, int, char*, int); |
| 359 | extern int enc16(char*, int, uchar*, int); |
| 360 | extern int encodefmt(Fmt*); |
| 361 | extern int dirmodefmt(Fmt*); |
| 362 | extern void exits(char*); |
| 363 | extern double frexp(double, int*); |
| 364 | extern ulong getcallerpc(void*); |
| 365 | extern char* p9getenv(char*); |
| 366 | extern int p9putenv(char*, char*); |
| 367 | extern int getfields(char*, char**, int, int, char*); |
| 368 | extern int gettokens(char *, char **, int, char *); |
| 369 | extern char* getuser(void); |
| 370 | extern char* p9getwd(char*, int); |
| 371 | extern int iounit(int); |
| 372 | /* extern long labs(long); <math.h> */ |
| 373 | /* extern double ldexp(double, int); <math.h> */ |
| 374 | extern void p9longjmp(p9jmp_buf, int); |
| 375 | extern char* mktemp(char*); |
| 376 | extern int opentemp(char*); |
| 377 | /* extern double modf(double, double*); <math.h> */ |
| 378 | extern int netcrypt(void*, void*); |
| 379 | extern void p9notejmp(void*, p9jmp_buf, int); |
| 380 | extern void perror(const char*); |
| 381 | extern int postnote(int, int, char *); |
rsc | be36ff6 | 2004-04-29 17:13:24 +0000 | [diff] [blame] | 382 | extern double p9pow10(int); |
rsc | 8ad5179 | 2004-03-25 23:03:57 +0000 | [diff] [blame] | 383 | /* extern int putenv(char*, char*); <stdlib.h. */ |
| 384 | /* extern void qsort(void*, long, long, int (*)(void*, void*)); <stdlib.h> */ |
| 385 | /* extern int p9setjmp(p9jmp_buf); */ |
| 386 | #define p9setjmp(b) sigsetjmp((void*)(b), 1) |
| 387 | /* |
| 388 | * <stdlib.h> |
| 389 | extern double strtod(char*, char**); |
| 390 | extern long strtol(char*, char**, int); |
| 391 | extern ulong strtoul(char*, char**, int); |
| 392 | extern vlong strtoll(char*, char**, int); |
| 393 | extern uvlong strtoull(char*, char**, int); |
| 394 | */ |
| 395 | extern void sysfatal(char*, ...); |
| 396 | extern void p9syslog(int, char*, char*, ...); |
| 397 | extern long p9time(long*); |
| 398 | /* extern int tolower(int); <ctype.h> */ |
| 399 | /* extern int toupper(int); <ctype.h> */ |
rsc | cf10d09 | 2004-04-21 23:34:46 +0000 | [diff] [blame] | 400 | extern void needstack(int); |
| 401 | |
rsc | 8ad5179 | 2004-03-25 23:03:57 +0000 | [diff] [blame] | 402 | #ifndef NOPLAN9DEFINES |
| 403 | #define atexit p9atexit |
| 404 | #define atexitdont p9atexitdont |
rsc | a67406e | 2004-04-08 19:31:48 +0000 | [diff] [blame] | 405 | #define atoi p9atoi |
| 406 | #define atol p9atol |
| 407 | #define atoll p9atoll |
rsc | 8ad5179 | 2004-03-25 23:03:57 +0000 | [diff] [blame] | 408 | #define encrypt p9encrypt |
| 409 | #define decrypt p9decrypt |
| 410 | #define getenv p9getenv |
| 411 | #define getwd p9getwd |
| 412 | #define longjmp p9longjmp |
| 413 | #undef setjmp |
| 414 | #define setjmp p9setjmp |
| 415 | #define putenv p9putenv |
| 416 | #define notejmp p9notejmp |
| 417 | #define jmp_buf p9jmp_buf |
| 418 | #define syslog p9syslog |
| 419 | #define time p9time |
rsc | be36ff6 | 2004-04-29 17:13:24 +0000 | [diff] [blame] | 420 | #define pow10 p9pow10 |
rsc | 8ad5179 | 2004-03-25 23:03:57 +0000 | [diff] [blame] | 421 | #endif |
| 422 | |
| 423 | /* |
| 424 | * synchronization |
| 425 | */ |
| 426 | typedef |
| 427 | struct Lock { |
| 428 | int val; |
| 429 | } Lock; |
| 430 | |
| 431 | extern int _tas(int*); |
| 432 | |
| 433 | extern void lock(Lock*); |
| 434 | extern void unlock(Lock*); |
| 435 | extern int canlock(Lock*); |
| 436 | |
| 437 | typedef struct QLp QLp; |
| 438 | struct QLp |
| 439 | { |
| 440 | int inuse; |
| 441 | QLp *next; |
| 442 | char state; |
| 443 | }; |
| 444 | |
| 445 | typedef |
| 446 | struct QLock |
| 447 | { |
| 448 | Lock lock; |
| 449 | int locked; |
| 450 | QLp *head; |
| 451 | QLp *tail; |
| 452 | } QLock; |
| 453 | |
| 454 | extern void qlock(QLock*); |
| 455 | extern void qunlock(QLock*); |
| 456 | extern int canqlock(QLock*); |
| 457 | extern void _qlockinit(ulong (*)(ulong, ulong)); /* called only by the thread library */ |
| 458 | |
| 459 | typedef |
| 460 | struct RWLock |
| 461 | { |
| 462 | Lock lock; |
| 463 | int readers; /* number of readers */ |
| 464 | int writer; /* number of writers */ |
| 465 | QLp *head; /* list of waiting processes */ |
| 466 | QLp *tail; |
| 467 | } RWLock; |
| 468 | |
| 469 | extern void rlock(RWLock*); |
| 470 | extern void runlock(RWLock*); |
| 471 | extern int canrlock(RWLock*); |
| 472 | extern void wlock(RWLock*); |
| 473 | extern void wunlock(RWLock*); |
| 474 | extern int canwlock(RWLock*); |
| 475 | |
| 476 | typedef |
| 477 | struct Rendez |
| 478 | { |
| 479 | QLock *l; |
| 480 | QLp *head; |
| 481 | QLp *tail; |
| 482 | } Rendez; |
| 483 | |
| 484 | extern void rsleep(Rendez*); /* unlocks r->l, sleeps, locks r->l again */ |
| 485 | extern int rwakeup(Rendez*); |
| 486 | extern int rwakeupall(Rendez*); |
| 487 | extern void** privalloc(void); |
| 488 | extern void privfree(void**); |
| 489 | |
| 490 | /* |
| 491 | * network dialing |
| 492 | */ |
| 493 | #define NETPATHLEN 40 |
| 494 | extern int p9accept(int, char*); |
| 495 | extern int p9announce(char*, char*); |
| 496 | extern int p9dial(char*, char*, char*, int*); |
| 497 | extern void p9setnetmtpt(char*, int, char*); |
| 498 | extern int p9hangup(int); |
| 499 | extern int p9listen(char*, char*); |
| 500 | extern char* p9netmkaddr(char*, char*, char*); |
| 501 | extern int p9reject(int, char*, char*); |
| 502 | |
| 503 | #ifndef NOPLAN9DEFINES |
| 504 | #define accept p9accept |
| 505 | #define announce p9announce |
| 506 | #define dial p9dial |
| 507 | #define setnetmtpt p9setnetmtpt |
| 508 | #define hangup p9hangup |
| 509 | #define listen p9listen |
| 510 | #define netmkaddr p9netmkaddr |
| 511 | #define reject p9reject |
| 512 | #endif |
| 513 | |
| 514 | /* |
| 515 | * encryption |
| 516 | */ |
| 517 | extern int pushssl(int, char*, char*, char*, int*); |
| 518 | extern int pushtls(int, char*, char*, int, char*, char*); |
| 519 | |
| 520 | /* |
| 521 | * network services |
| 522 | */ |
| 523 | typedef struct NetConnInfo NetConnInfo; |
| 524 | struct NetConnInfo |
| 525 | { |
| 526 | char *dir; /* connection directory */ |
| 527 | char *root; /* network root */ |
| 528 | char *spec; /* binding spec */ |
| 529 | char *lsys; /* local system */ |
| 530 | char *lserv; /* local service */ |
| 531 | char *rsys; /* remote system */ |
| 532 | char *rserv; /* remote service */ |
| 533 | }; |
| 534 | extern NetConnInfo* getnetconninfo(char*, int); |
| 535 | extern void freenetconninfo(NetConnInfo*); |
| 536 | |
| 537 | /* |
| 538 | * system calls |
| 539 | * |
| 540 | */ |
| 541 | #define STATMAX 65535U /* max length of machine-independent stat structure */ |
| 542 | #define DIRMAX (sizeof(Dir)+STATMAX) /* max length of Dir structure */ |
| 543 | #define ERRMAX 128 /* max length of error string */ |
| 544 | |
| 545 | #define MORDER 0x0003 /* mask for bits defining order of mounting */ |
| 546 | #define MREPL 0x0000 /* mount replaces object */ |
| 547 | #define MBEFORE 0x0001 /* mount goes before others in union directory */ |
| 548 | #define MAFTER 0x0002 /* mount goes after others in union directory */ |
| 549 | #define MCREATE 0x0004 /* permit creation in mounted directory */ |
| 550 | #define MCACHE 0x0010 /* cache some data */ |
| 551 | #define MMASK 0x0017 /* all bits on */ |
| 552 | |
| 553 | #define OREAD 0 /* open for read */ |
| 554 | #define OWRITE 1 /* write */ |
| 555 | #define ORDWR 2 /* read and write */ |
| 556 | #define OEXEC 3 /* execute, == read but check execute permission */ |
| 557 | #define OTRUNC 16 /* or'ed in (except for exec), truncate file first */ |
| 558 | #define OCEXEC 32 /* or'ed in, close on exec */ |
| 559 | #define ORCLOSE 64 /* or'ed in, remove on close */ |
rsc | be36ff6 | 2004-04-29 17:13:24 +0000 | [diff] [blame] | 560 | #define ODIRECT 128 /* or'ed in, bypass the cache */ |
rsc | 8ad5179 | 2004-03-25 23:03:57 +0000 | [diff] [blame] | 561 | #define OEXCL 0x1000 /* or'ed in, exclusive use (create only) */ |
| 562 | |
| 563 | #define AEXIST 0 /* accessible: exists */ |
| 564 | #define AEXEC 1 /* execute access */ |
| 565 | #define AWRITE 2 /* write access */ |
| 566 | #define AREAD 4 /* read access */ |
| 567 | |
| 568 | /* Segattch */ |
| 569 | #define SG_RONLY 0040 /* read only */ |
| 570 | #define SG_CEXEC 0100 /* detach on exec */ |
| 571 | |
| 572 | #define NCONT 0 /* continue after note */ |
| 573 | #define NDFLT 1 /* terminate after note */ |
| 574 | #define NSAVE 2 /* clear note but hold state */ |
| 575 | #define NRSTR 3 /* restore saved state */ |
| 576 | |
| 577 | /* bits in Qid.type */ |
| 578 | #define QTDIR 0x80 /* type bit for directories */ |
| 579 | #define QTAPPEND 0x40 /* type bit for append only files */ |
| 580 | #define QTEXCL 0x20 /* type bit for exclusive use files */ |
| 581 | #define QTMOUNT 0x10 /* type bit for mounted channel */ |
| 582 | #define QTAUTH 0x08 /* type bit for authentication file */ |
| 583 | #define QTFILE 0x00 /* plain file */ |
| 584 | |
| 585 | /* bits in Dir.mode */ |
| 586 | #define DMDIR 0x80000000 /* mode bit for directories */ |
| 587 | #define DMAPPEND 0x40000000 /* mode bit for append only files */ |
| 588 | #define DMEXCL 0x20000000 /* mode bit for exclusive use files */ |
| 589 | #define DMMOUNT 0x10000000 /* mode bit for mounted channel */ |
| 590 | #define DMAUTH 0x08000000 /* mode bit for authentication file */ |
| 591 | #define DMREAD 0x4 /* mode bit for read permission */ |
| 592 | #define DMWRITE 0x2 /* mode bit for write permission */ |
| 593 | #define DMEXEC 0x1 /* mode bit for execute permission */ |
| 594 | |
| 595 | #if defined(__FreeBSD__) |
| 596 | #undef RFFDG |
| 597 | #undef RFNOTEG |
| 598 | #undef RFPROC |
| 599 | #undef RFMEM |
| 600 | #undef RFNOWAIT |
| 601 | #undef RFCFDG |
| 602 | #undef RFNAMEG |
| 603 | #undef RFENVG |
| 604 | #undef RFCENVG |
| 605 | #undef RFCFDG |
| 606 | #undef RFCNAMEG |
| 607 | #endif |
| 608 | |
| 609 | enum |
| 610 | { |
| 611 | RFNAMEG = (1<<0), |
| 612 | RFENVG = (1<<1), |
| 613 | RFFDG = (1<<2), |
| 614 | RFNOTEG = (1<<3), |
| 615 | RFPROC = (1<<4), |
| 616 | RFMEM = (1<<5), |
| 617 | RFNOWAIT = (1<<6), |
| 618 | RFCNAMEG = (1<<10), |
| 619 | RFCENVG = (1<<11), |
| 620 | RFCFDG = (1<<12), |
| 621 | /* RFREND = (1<<13), */ |
| 622 | /* RFNOMNT = (1<<14) */ |
| 623 | }; |
| 624 | |
| 625 | extern int ffork(int, void(*)(void*), void*); |
| 626 | |
| 627 | typedef |
| 628 | struct Qid |
| 629 | { |
| 630 | uvlong path; |
| 631 | ulong vers; |
| 632 | uchar type; |
| 633 | } Qid; |
| 634 | |
| 635 | typedef |
| 636 | struct Dir { |
| 637 | /* system-modified data */ |
| 638 | ushort type; /* server type */ |
| 639 | uint dev; /* server subtype */ |
| 640 | /* file data */ |
| 641 | Qid qid; /* unique id from server */ |
| 642 | ulong mode; /* permissions */ |
| 643 | ulong atime; /* last read time */ |
| 644 | ulong mtime; /* last write time */ |
| 645 | vlong length; /* file length */ |
| 646 | char *name; /* last element of path */ |
| 647 | char *uid; /* owner name */ |
| 648 | char *gid; /* group name */ |
| 649 | char *muid; /* last modifier name */ |
| 650 | } Dir; |
| 651 | |
| 652 | /* keep /sys/src/ape/lib/ap/plan9/sys9.h in sync with this -rsc */ |
| 653 | typedef |
| 654 | struct Waitmsg |
| 655 | { |
| 656 | int pid; /* of loved one */ |
| 657 | ulong time[3]; /* of loved one & descendants */ |
| 658 | char *msg; |
| 659 | } Waitmsg; |
| 660 | |
| 661 | typedef |
| 662 | struct IOchunk |
| 663 | { |
| 664 | void *addr; |
| 665 | ulong len; |
| 666 | } IOchunk; |
| 667 | |
| 668 | extern void _exits(char*); |
| 669 | |
| 670 | extern void abort(void); |
rsc | 924eb64 | 2004-03-25 23:30:46 +0000 | [diff] [blame] | 671 | /* extern int access(char*, int); */ |
rsc | 8ad5179 | 2004-03-25 23:03:57 +0000 | [diff] [blame] | 672 | extern long p9alarm(ulong); |
| 673 | extern int await(char*, int); |
| 674 | extern int awaitnohang(char*, int); |
| 675 | /* extern int bind(char*, char*, int); give up */ |
| 676 | /* extern int brk(void*); <unistd.h> */ |
| 677 | extern int p9chdir(char*); |
| 678 | extern int close(int); |
| 679 | extern int p9create(char*, int, ulong); |
| 680 | extern int p9dup(int, int); |
| 681 | extern int errstr(char*, uint); |
| 682 | extern int p9exec(char*, char*[]); |
| 683 | /* extern int execl(char*, ...); <unistd.h> */ |
rsc | 070905e | 2004-04-21 04:48:39 +0000 | [diff] [blame] | 684 | extern int p9fork(void); |
rsc | 8ad5179 | 2004-03-25 23:03:57 +0000 | [diff] [blame] | 685 | extern int p9rfork(int); |
| 686 | /* not implemented |
| 687 | extern int fauth(int, char*); |
| 688 | extern int fstat(int, uchar*, int); |
| 689 | extern int fwstat(int, uchar*, int); |
| 690 | extern int fversion(int, int, char*, int); |
| 691 | extern int mount(int, int, char*, int, char*); |
| 692 | extern int unmount(char*, char*); |
| 693 | */ |
| 694 | extern int noted(int); |
| 695 | extern int notify(void(*)(void*, char*)); |
| 696 | extern int p9open(char*, int); |
| 697 | extern int fd2path(int, char*, int); |
| 698 | extern int p9pipe(int*); |
| 699 | /* |
| 700 | * use defs from <unistd.h> |
| 701 | extern long pread(int, void*, long, vlong); |
| 702 | extern long preadv(int, IOchunk*, int, vlong); |
| 703 | extern long pwrite(int, void*, long, vlong); |
| 704 | extern long pwritev(int, IOchunk*, int, vlong); |
| 705 | extern long read(int, void*, long); |
| 706 | */ |
| 707 | extern long readn(int, void*, long); |
| 708 | /* extern long readv(int, IOchunk*, int); <unistd.h> */ |
| 709 | extern int remove(const char*); |
| 710 | /* extern void* sbrk(ulong); <unistd.h> */ |
| 711 | /* extern long oseek(int, long, int); */ |
| 712 | extern vlong p9seek(int, vlong, int); |
| 713 | /* give up |
| 714 | extern long segattach(int, char*, void*, ulong); |
| 715 | extern int segbrk(void*, void*); |
| 716 | extern int segdetach(void*); |
| 717 | extern int segflush(void*, ulong); |
| 718 | extern int segfree(void*, ulong); |
| 719 | */ |
| 720 | extern int p9sleep(long); |
| 721 | /* extern int stat(char*, uchar*, int); give up */ |
| 722 | extern Waitmsg* p9wait(void); |
| 723 | extern Waitmsg* waitnohang(void); |
| 724 | extern int p9waitpid(void); |
| 725 | /* <unistd.h> |
| 726 | extern long write(int, void*, long); |
| 727 | extern long writev(int, IOchunk*, int); |
| 728 | */ |
| 729 | /* extern int wstat(char*, uchar*, int); give up */ |
| 730 | extern ulong rendezvous(ulong, ulong); |
| 731 | |
| 732 | #ifndef NOPLAN9DEFINES |
| 733 | #define alarm p9alarm |
| 734 | #define dup p9dup |
| 735 | #define exec p9exec |
| 736 | #define seek p9seek |
| 737 | #define sleep p9sleep |
| 738 | #define wait p9wait |
| 739 | #define waitpid p9waitpid |
rsc | 070905e | 2004-04-21 04:48:39 +0000 | [diff] [blame] | 740 | #define fork p9fork |
rsc | 8ad5179 | 2004-03-25 23:03:57 +0000 | [diff] [blame] | 741 | #define rfork p9rfork |
rsc | 924eb64 | 2004-03-25 23:30:46 +0000 | [diff] [blame] | 742 | /* #define access p9access */ |
rsc | 8ad5179 | 2004-03-25 23:03:57 +0000 | [diff] [blame] | 743 | #define create p9create |
| 744 | #define open p9open |
| 745 | #define pipe p9pipe |
| 746 | #endif |
| 747 | |
| 748 | extern Dir* dirstat(char*); |
| 749 | extern Dir* dirfstat(int); |
| 750 | extern int dirwstat(char*, Dir*); |
| 751 | extern int dirfwstat(int, Dir*); |
| 752 | extern long dirread(int, Dir**); |
| 753 | extern void nulldir(Dir*); |
| 754 | extern long dirreadall(int, Dir**); |
| 755 | /* extern int getpid(void); <unistd.h> */ |
| 756 | /* extern int getppid(void); */ |
| 757 | extern void rerrstr(char*, uint); |
| 758 | extern char* sysname(void); |
| 759 | extern void werrstr(char*, ...); |
| 760 | extern char* getns(void); |
| 761 | extern char* get9root(void); |
| 762 | extern char* unsharp(char*); |
| 763 | extern int sendfd(int, int); |
| 764 | extern int recvfd(int); |
| 765 | extern int post9pservice(int, char*); |
| 766 | |
| 767 | /* external names that we don't want to step on */ |
| 768 | #ifndef NOPLAN9DEFINES |
| 769 | #define main p9main |
| 770 | #endif |
| 771 | |
| 772 | /* compiler directives on plan 9 */ |
| 773 | #define USED(x) if(x){}else{} |
| 774 | #define SET(x) ((x)=0) |
| 775 | |
| 776 | /* command line */ |
| 777 | extern char *argv0; |
| 778 | extern void __fixargv0(void); |
| 779 | #define ARGBEGIN for((argv0?0:(argv0=(__fixargv0(),*argv))),argv++,argc--;\ |
| 780 | argv[0] && argv[0][0]=='-' && argv[0][1];\ |
| 781 | argc--, argv++) {\ |
| 782 | char *_args, *_argt;\ |
| 783 | Rune _argc;\ |
| 784 | _args = &argv[0][1];\ |
| 785 | if(_args[0]=='-' && _args[1]==0){\ |
| 786 | argc--; argv++; break;\ |
| 787 | }\ |
| 788 | _argc = 0;\ |
| 789 | while(*_args && (_args += chartorune(&_argc, _args)))\ |
| 790 | switch(_argc) |
| 791 | #define ARGEND SET(_argt);USED(_argt);USED(_argc);USED(_args);}USED(argv);USED(argc); |
| 792 | #define ARGF() (_argt=_args, _args="",\ |
| 793 | (*_argt? _argt: argv[1]? (argc--, *++argv): 0)) |
| 794 | #define EARGF(x) (_argt=_args, _args="",\ |
| 795 | (*_argt? _argt: argv[1]? (argc--, *++argv): ((x), abort(), (char*)0))) |
| 796 | |
| 797 | #define ARGC() _argc |
| 798 | |
| 799 | #if defined(__cplusplus) |
| 800 | } |
| 801 | #endif |
| 802 | #endif /* _LIB9_H_ */ |