Mercurial > vim
annotate src/os_vms.c @ 5541:2f99966971b0 v7.4.119
updated for version 7.4.119
Problem: Vim doesn't work well on OpenVMS.
Solution: Fix various problems. (Samuel Ferencik)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Wed, 11 Dec 2013 17:12:37 +0100 |
| parents | 0b3be97064e5 |
| children | 47a673b20e49 |
| rev | line source |
|---|---|
| 7 | 1 /* vi:set ts=8 sts=4 sw=4: |
| 2 * | |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * VMS port by Henk Elbers | |
| 5 * VMS deport by Zoltan Arpadffy | |
| 6 * | |
| 7 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 8 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 9 * See README.txt for an overview of the Vim source code. | |
| 10 */ | |
| 11 | |
| 12 #include "vim.h" | |
| 13 | |
| 5541 | 14 /* define _generic_64 for use in time functions */ |
| 15 #ifndef VAX | |
| 16 # include <gen64def.h> | |
| 17 #else | |
| 18 /* based on Alpha's gen64def.h; the file is absent on VAX */ | |
| 19 typedef struct _generic_64 { | |
| 20 # pragma __nomember_alignment | |
| 21 __union { /* You can treat me as... */ | |
| 22 /* long long is not available on VAXen */ | |
| 23 /* unsigned __int64 gen64$q_quadword; ...a single 64-bit value, or */ | |
| 24 | |
| 25 unsigned int gen64$l_longword [2]; /* ...two 32-bit values, or */ | |
| 26 unsigned short int gen64$w_word [4]; /* ...four 16-bit values */ | |
| 27 } gen64$r_quad_overlay; | |
| 28 } GENERIC_64; | |
| 29 #endif | |
| 30 | |
| 7 | 31 typedef struct |
| 32 { | |
| 33 char class; | |
| 34 char type; | |
| 35 short width; | |
| 36 union | |
| 37 { | |
| 38 struct | |
| 39 { | |
| 40 char _basic[3]; | |
| 41 char length; | |
| 42 } y; | |
| 43 int basic; | |
| 44 } x; | |
| 45 int extended; | |
| 46 } TT_MODE; | |
| 47 | |
| 48 typedef struct | |
| 49 { | |
| 50 short buflen; | |
| 51 short itemcode; | |
| 52 char *bufadrs; | |
| 53 int *retlen; | |
| 54 } ITEM; | |
| 55 | |
| 56 typedef struct | |
| 57 { | |
| 58 ITEM equ; | |
| 59 int nul; | |
| 60 } ITMLST1; | |
| 61 | |
| 62 typedef struct | |
| 63 { | |
| 64 ITEM index; | |
| 65 ITEM string; | |
| 66 int nul; | |
| 67 } ITMLST2; | |
| 68 | |
| 69 static TT_MODE orgmode; | |
| 70 static short iochan; /* TTY I/O channel */ | |
| 71 static short iosb[4]; /* IO status block */ | |
| 72 | |
| 73 static int vms_match_num = 0; | |
| 74 static int vms_match_free = 0; | |
| 75 static char_u **vms_fmatch = NULL; | |
| 76 static char *Fspec_Rms; /* rms file spec, passed implicitly between routines */ | |
| 77 | |
| 78 | |
| 79 | |
| 80 static TT_MODE get_tty __ARGS((void)); | |
| 81 static void set_tty __ARGS((int row, int col)); | |
| 82 | |
| 83 #define EXPL_ALLOC_INC 64 | |
| 84 | |
| 85 #define EQN(S1,S2,LN) (strncmp(S1,S2,LN) == 0) | |
| 86 #define SKIP_FOLLOWING_SLASHES(Str) while (Str[1] == '/') ++Str | |
| 87 | |
| 88 | |
| 89 /* | |
| 90 * vul_desc vult een descriptor met een string en de lengte | |
| 91 * hier van. | |
| 92 */ | |
| 93 static void | |
| 94 vul_desc(DESC *des, char *str) | |
| 95 { | |
| 96 des->dsc$b_dtype = DSC$K_DTYPE_T; | |
| 97 des->dsc$b_class = DSC$K_CLASS_S; | |
| 98 des->dsc$a_pointer = str; | |
| 99 des->dsc$w_length = str ? strlen(str) : 0; | |
| 100 } | |
| 101 | |
| 102 /* | |
| 103 * vul_item vult een item met een aantal waarden | |
| 104 */ | |
| 105 static void | |
| 106 vul_item(ITEM *itm, short len, short cod, char *adr, int *ret) | |
| 107 { | |
| 108 itm->buflen = len; | |
| 109 itm->itemcode = cod; | |
| 110 itm->bufadrs = adr; | |
| 111 itm->retlen = ret; | |
| 112 } | |
| 113 | |
| 114 void | |
| 115 mch_settmode(int tmode) | |
| 116 { | |
| 117 int status; | |
| 118 | |
| 119 if ( tmode == TMODE_RAW ) | |
| 120 set_tty(0, 0); | |
| 121 else{ | |
| 122 switch (orgmode.width) | |
| 123 { | |
| 124 case 132: OUT_STR_NF((char_u *)"\033[?3h\033>"); break; | |
| 125 case 80: OUT_STR_NF((char_u *)"\033[?3l\033>"); break; | |
| 126 default: break; | |
| 127 } | |
| 128 out_flush(); | |
| 129 status = sys$qiow(0, iochan, IO$_SETMODE, iosb, 0, 0, | |
| 130 &orgmode, sizeof(TT_MODE), 0,0,0,0); | |
| 131 if (status!=SS$_NORMAL || (iosb[0]&0xFFFF)!=SS$_NORMAL) | |
| 132 return; | |
| 133 (void)sys$dassgn(iochan); | |
| 134 iochan = 0; | |
| 135 } | |
| 136 } | |
| 137 | |
| 138 static void | |
| 139 set_tty(int row, int col) | |
| 140 { | |
| 141 int status; | |
| 142 TT_MODE newmode; /* New TTY mode bits */ | |
| 143 static short first_time = TRUE; | |
| 144 | |
| 145 if (first_time) | |
| 146 { | |
| 147 orgmode = get_tty(); | |
| 148 first_time = FALSE; | |
| 149 } | |
| 150 newmode = get_tty(); | |
| 151 if (col) | |
| 152 newmode.width = col; | |
| 153 if (row) | |
| 154 newmode.x.y.length = row; | |
| 155 newmode.x.basic |= (TT$M_NOECHO | TT$M_HOSTSYNC); | |
| 156 newmode.x.basic &= ~TT$M_TTSYNC; | |
| 157 newmode.extended |= TT2$M_PASTHRU; | |
| 158 status = sys$qiow(0, iochan, IO$_SETMODE, iosb, 0, 0, | |
| 159 &newmode, sizeof(newmode), 0, 0, 0, 0); | |
| 160 if (status!=SS$_NORMAL || (iosb[0]&0xFFFF)!=SS$_NORMAL) | |
| 161 return; | |
| 162 } | |
| 163 | |
| 164 static TT_MODE | |
| 165 get_tty(void) | |
| 166 { | |
| 167 | |
| 168 static $DESCRIPTOR(odsc,"SYS$OUTPUT"); /* output descriptor */ | |
| 169 | |
| 170 int status; | |
| 171 TT_MODE tt_mode; | |
| 172 | |
| 173 if (!iochan) | |
| 174 status = sys$assign(&odsc,&iochan,0,0); | |
| 175 | |
| 176 status = sys$qiow(0, iochan, IO$_SENSEMODE, iosb, 0, 0, | |
| 177 &tt_mode, sizeof(tt_mode), 0, 0, 0, 0); | |
| 178 if (status != SS$_NORMAL || (iosb[0] & 0xFFFF) != SS$_NORMAL) | |
| 179 { | |
| 180 tt_mode.width = 0; | |
| 181 tt_mode.type = 0; | |
| 182 tt_mode.class = 0; | |
| 183 tt_mode.x.basic = 0; | |
| 184 tt_mode.x.y.length = 0; | |
| 185 tt_mode.extended = 0; | |
| 186 } | |
| 187 return(tt_mode); | |
| 188 } | |
| 189 | |
| 190 /* | |
| 191 * Get the current window size in Rows and Columns. | |
| 192 */ | |
| 193 int | |
| 194 mch_get_shellsize(void) | |
| 195 { | |
| 196 TT_MODE tmode; | |
| 197 | |
| 198 tmode = get_tty(); /* get size from VMS */ | |
| 199 Columns = tmode.width; | |
| 200 Rows = tmode.x.y.length; | |
| 201 return OK; | |
| 202 } | |
| 203 | |
| 204 /* | |
| 205 * Try to set the window size to Rows and new_Columns. | |
| 206 */ | |
| 207 void | |
| 208 mch_set_shellsize(void) | |
| 209 { | |
| 210 set_tty(Rows, Columns); | |
| 211 switch (Columns) | |
| 212 { | |
| 213 case 132: OUT_STR_NF((char_u *)"\033[?3h\033>"); break; | |
| 214 case 80: OUT_STR_NF((char_u *)"\033[?3l\033>"); break; | |
| 215 default: break; | |
| 216 } | |
| 217 out_flush(); | |
| 218 screen_start(); | |
| 219 } | |
| 220 | |
| 221 char_u * | |
| 222 mch_getenv(char_u *lognam) | |
| 223 { | |
| 224 DESC d_file_dev, d_lognam ; | |
| 225 static char buffer[LNM$C_NAMLENGTH+1]; | |
| 226 char_u *cp = NULL; | |
| 227 unsigned long attrib; | |
| 228 int lengte = 0, dum = 0, idx = 0; | |
| 229 ITMLST2 itmlst; | |
| 230 char *sbuf = NULL; | |
| 231 | |
| 232 vul_desc(&d_lognam, (char *)lognam); | |
| 233 vul_desc(&d_file_dev, "LNM$FILE_DEV"); | |
| 234 attrib = LNM$M_CASE_BLIND; | |
| 235 vul_item(&itmlst.index, sizeof(int), LNM$_INDEX, (char *)&idx, &dum); | |
| 236 vul_item(&itmlst.string, LNM$C_NAMLENGTH, LNM$_STRING, buffer, &lengte); | |
| 237 itmlst.nul = 0; | |
| 238 if (sys$trnlnm(&attrib, &d_file_dev, &d_lognam, NULL,&itmlst) == SS$_NORMAL) | |
| 239 { | |
| 240 buffer[lengte] = '\0'; | |
| 241 if (cp = (char_u *)alloc((unsigned)(lengte+1))) | |
| 242 strcpy((char *)cp, buffer); | |
| 243 return(cp); | |
| 244 } | |
| 245 else if ((sbuf = getenv((char *)lognam))) | |
| 246 { | |
| 247 lengte = strlen(sbuf) + 1; | |
| 1738 | 248 cp = (char_u *)alloc((size_t)lengte); |
| 7 | 249 if (cp) |
| 250 strcpy((char *)cp, sbuf); | |
| 251 return cp; | |
| 252 } | |
| 253 else | |
| 254 return(NULL); | |
| 255 } | |
| 256 | |
| 257 /* | |
| 258 * mch_setenv VMS version of setenv() | |
| 259 */ | |
| 260 int | |
| 261 mch_setenv(char *var, char *value, int x) | |
| 262 { | |
| 263 int res, dum; | |
| 264 long attrib = 0L; | |
| 265 char acmode = PSL$C_SUPER; /* needs SYSNAM privilege */ | |
| 266 DESC tabnam, lognam; | |
| 267 ITMLST1 itmlst; | |
| 268 | |
| 269 vul_desc(&tabnam, "LNM$JOB"); | |
| 270 vul_desc(&lognam, var); | |
| 271 vul_item(&itmlst.equ, value ? strlen(value) : 0, value ? LNM$_STRING : 0, | |
| 272 value, &dum); | |
| 273 itmlst.nul = 0; | |
| 274 res = sys$crelnm(&attrib, &tabnam, &lognam, &acmode, &itmlst); | |
| 275 return((res == 1) ? 0 : -1); | |
| 276 } | |
| 277 | |
| 278 int | |
| 279 vms_sys(char *cmd, char *out, char *inp) | |
| 280 { | |
| 281 DESC cdsc, odsc, idsc; | |
| 282 long status; | |
| 283 | |
| 284 if (cmd) | |
| 285 vul_desc(&cdsc, cmd); | |
| 286 if (out) | |
| 287 vul_desc(&odsc, out); | |
| 288 if (inp) | |
| 289 vul_desc(&idsc, inp); | |
| 290 | |
| 291 lib$spawn(cmd ? &cdsc : NULL, /* command string */ | |
| 292 inp ? &idsc : NULL, /* input file */ | |
| 293 out ? &odsc : NULL, /* output file */ | |
| 294 0, 0, 0, &status, 0, 0, 0, 0, 0, 0); | |
| 295 return status; | |
| 296 } | |
| 297 | |
| 298 /* | |
| 299 * Convert VMS system() or lib$spawn() return code to Unix-like exit value. | |
| 300 */ | |
| 301 int | |
| 302 vms_sys_status(int status) | |
| 303 { | |
| 304 if (status != SS$_NORMAL && (status & STS$M_SUCCESS) == 0) | |
| 305 return status; /* Command failed. */ | |
| 306 return 0; | |
| 307 } | |
| 308 | |
| 309 /* | |
| 310 * vms_read() | |
| 311 * function for low level char input | |
| 312 * | |
| 313 * Returns: input length | |
| 314 */ | |
| 315 int | |
| 316 vms_read(char *inbuf, size_t nbytes) | |
| 317 { | |
| 775 | 318 int status, function, len; |
| 319 TT_MODE tt_mode; | |
| 320 ITEM itmlst[2]; /* terminates on everything */ | |
| 7 | 321 static long trm_mask[8] = {-1, -1, -1, -1, -1, -1, -1, -1}; |
| 322 | |
| 323 /* whatever happened earlier we need an iochan here */ | |
| 324 if (!iochan) | |
| 775 | 325 tt_mode = get_tty(); |
| 7 | 326 |
| 694 | 327 /* important: clean the inbuf */ |
| 7 | 328 memset(inbuf, 0, nbytes); |
| 329 | |
| 694 | 330 /* set up the itemlist for the first read */ |
| 331 vul_item(&itmlst[0], 0, TRM$_MODIFIERS, | |
| 775 | 332 (char *)( TRM$M_TM_NOECHO | TRM$M_TM_NOEDIT | |
| 333 TRM$M_TM_NOFILTR | TRM$M_TM_TRMNOECHO | | |
| 334 TRM$M_TM_NORECALL) , 0); | |
| 694 | 335 vul_item(&itmlst[1], sizeof(trm_mask), TRM$_TERM, (char *)&trm_mask, 0); |
| 336 | |
| 337 /* wait forever for a char */ | |
| 338 function = (IO$_READLBLK | IO$M_EXTEND); | |
| 339 status = sys$qiow(0, iochan, function, &iosb, 0, 0, | |
| 775 | 340 inbuf, nbytes-1, 0, 0, &itmlst, sizeof(itmlst)); |
| 694 | 341 len = strlen(inbuf); /* how many chars we got? */ |
| 342 | |
| 1197 | 343 /* read immediately the rest in the IO queue */ |
| 694 | 344 function = (IO$_READLBLK | IO$M_TIMED | IO$M_ESCAPE | IO$M_NOECHO | IO$M_NOFILTR); |
| 345 status = sys$qiow(0, iochan, function, &iosb, 0, 0, | |
| 775 | 346 inbuf+len, nbytes-1-len, 0, 0, 0, 0); |
| 694 | 347 |
| 348 len = strlen(inbuf); /* return the total length */ | |
| 349 | |
| 7 | 350 return len; |
| 351 } | |
| 352 | |
| 353 /* | |
| 354 * vms_wproc() is called for each matching filename by decc$to_vms(). | |
| 355 * We want to save each match for later retrieval. | |
| 356 * | |
| 357 * Returns: 1 - continue finding matches | |
| 1197 | 358 * 0 - stop trying to find any further matches |
| 7 | 359 */ |
| 360 static int | |
| 361 vms_wproc(char *name, int val) | |
| 362 { | |
| 363 int i; | |
| 364 int nlen; | |
| 365 static int vms_match_alloced = 0; | |
| 366 | |
| 1197 | 367 if (val != DECC$K_FILE) /* Directories and foreign non VMS files are not |
| 368 counting */ | |
| 7 | 369 return 1; |
| 370 | |
| 371 if (vms_match_num == 0) { | |
| 372 /* first time through, setup some things */ | |
| 373 if (NULL == vms_fmatch) { | |
| 374 vms_fmatch = (char_u **)alloc(EXPL_ALLOC_INC * sizeof(char *)); | |
| 375 if (!vms_fmatch) | |
| 376 return 0; | |
| 377 vms_match_alloced = EXPL_ALLOC_INC; | |
| 378 vms_match_free = EXPL_ALLOC_INC; | |
| 379 } | |
| 380 else { | |
| 381 /* re-use existing space */ | |
| 382 vms_match_free = vms_match_alloced; | |
| 383 } | |
| 384 } | |
| 385 | |
| 386 vms_remove_version(name); | |
| 387 | |
| 388 /* convert filename to lowercase */ | |
| 389 nlen = strlen(name); | |
| 390 for (i = 0; i < nlen; i++) | |
| 391 name[i] = TOLOWER_ASC(name[i]); | |
| 392 | |
| 393 /* if name already exists, don't add it */ | |
| 394 for (i = 0; i<vms_match_num; i++) { | |
| 395 if (0 == STRCMP((char_u *)name,vms_fmatch[i])) | |
| 396 return 1; | |
| 397 } | |
| 398 if (--vms_match_free == 0) { | |
| 399 /* add more space to store matches */ | |
| 400 vms_match_alloced += EXPL_ALLOC_INC; | |
| 1738 | 401 vms_fmatch = (char_u **)vim_realloc(vms_fmatch, |
| 7 | 402 sizeof(char **) * vms_match_alloced); |
| 403 if (!vms_fmatch) | |
| 404 return 0; | |
| 405 vms_match_free = EXPL_ALLOC_INC; | |
| 406 } | |
| 407 vms_fmatch[vms_match_num] = vim_strsave((char_u *)name); | |
| 408 | |
| 409 ++vms_match_num; | |
| 410 return 1; | |
| 411 } | |
| 412 | |
| 413 /* | |
| 414 * mch_expand_wildcards this code does wild-card pattern | |
| 415 * matching NOT using the shell | |
| 416 * | |
| 1698 | 417 * return OK for success, FAIL for error (you may lose some |
| 7 | 418 * memory) and put an error message in *file. |
| 419 * | |
| 420 * num_pat number of input patterns | |
| 421 * pat array of pointers to input patterns | |
| 422 * num_file pointer to number of matched file names | |
| 423 * file pointer to array of pointers to matched file names | |
| 424 * | |
| 425 */ | |
| 426 int | |
| 427 mch_expand_wildcards(int num_pat, char_u **pat, int *num_file, char_u ***file, int flags) | |
| 428 { | |
|
2278
0b3be97064e5
Various small fixes from Dominique Pelle.
Bram Moolenaar <bram@vim.org>
parents:
1738
diff
changeset
|
429 int i, cnt = 0; |
| 7 | 430 char_u buf[MAXPATHL]; |
| 431 int dir; | |
| 432 int files_alloced, files_free; | |
| 433 | |
| 434 *num_file = 0; /* default: no files found */ | |
| 435 files_alloced = EXPL_ALLOC_INC; | |
| 436 files_free = EXPL_ALLOC_INC; | |
| 437 *file = (char_u **) alloc(sizeof(char_u **) * files_alloced); | |
| 438 if (*file == NULL) | |
| 439 { | |
| 440 *num_file = 0; | |
| 441 return FAIL; | |
| 442 } | |
| 443 for (i = 0; i < num_pat; i++) | |
| 444 { | |
| 445 /* expand environment var or home dir */ | |
| 446 if (vim_strchr(pat[i],'$') || vim_strchr(pat[i],'~')) | |
| 447 expand_env(pat[i],buf,MAXPATHL); | |
| 448 else | |
| 449 STRCPY(buf,pat[i]); | |
| 450 | |
| 451 vms_match_num = 0; /* reset collection counter */ | |
| 452 cnt = decc$to_vms(decc$translate_vms(vms_fixfilename(buf)), vms_wproc, 1, 0); | |
| 453 /* allow wild, no dir */ | |
| 454 if (cnt > 0) | |
| 455 cnt = vms_match_num; | |
| 456 | |
| 457 if (cnt < 1) | |
| 458 continue; | |
| 459 | |
| 460 for (i = 0; i < cnt; i++) | |
| 461 { | |
| 462 /* files should exist if expanding interactively */ | |
| 463 if (!(flags & EW_NOTFOUND) && mch_getperm(vms_fmatch[i]) < 0) | |
| 464 continue; | |
| 715 | 465 |
| 7 | 466 /* do not include directories */ |
| 467 dir = (mch_isdir(vms_fmatch[i])); | |
| 468 if (( dir && !(flags & EW_DIR)) || (!dir && !(flags & EW_FILE))) | |
| 469 continue; | |
| 715 | 470 |
| 471 /* Skip files that are not executable if we check for that. */ | |
| 472 if (!dir && (flags & EW_EXEC) && !mch_can_exe(vms_fmatch[i])) | |
| 473 continue; | |
| 474 | |
| 7 | 475 /* allocate memory for pointers */ |
| 476 if (--files_free < 1) | |
| 477 { | |
| 478 files_alloced += EXPL_ALLOC_INC; | |
| 1738 | 479 *file = (char_u **)vim_realloc(*file, |
| 7 | 480 sizeof(char_u **) * files_alloced); |
| 481 if (*file == NULL) | |
| 482 { | |
| 483 *file = (char_u **)""; | |
| 484 *num_file = 0; | |
| 485 return(FAIL); | |
| 486 } | |
| 487 files_free = EXPL_ALLOC_INC; | |
| 488 } | |
| 489 | |
| 490 (*file)[*num_file++] = vms_fmatch[i]; | |
| 491 } | |
| 492 } | |
| 493 return OK; | |
| 494 } | |
| 495 | |
| 496 int | |
| 497 mch_expandpath(garray_T *gap, char_u *path, int flags) | |
| 498 { | |
| 499 int i,cnt = 0; | |
| 500 vms_match_num = 0; | |
| 501 | |
| 502 cnt = decc$to_vms(decc$translate_vms(vms_fixfilename(path)), vms_wproc, 1, 0); | |
| 503 /* allow wild, no dir */ | |
| 504 if (cnt > 0) | |
| 505 cnt = vms_match_num; | |
| 506 for (i = 0; i < cnt; i++) | |
| 507 { | |
| 508 if (mch_getperm(vms_fmatch[i]) >= 0) /* add existing file */ | |
| 509 addfile(gap, vms_fmatch[i], flags); | |
| 510 } | |
| 511 return cnt; | |
| 512 } | |
| 513 | |
| 514 /* | |
| 515 * attempt to translate a mixed unix-vms file specification to pure vms | |
| 516 */ | |
| 517 static void | |
| 518 vms_unix_mixed_filespec(char *in, char *out) | |
| 519 { | |
| 520 char *lastcolon; | |
| 521 char *end_of_dir; | |
| 522 char ch; | |
| 523 int len; | |
| 524 | |
| 525 /* copy vms filename portion up to last colon | |
| 526 * (node and/or disk) | |
| 527 */ | |
| 528 lastcolon = strrchr(in, ':'); /* find last colon */ | |
| 529 if (lastcolon != NULL) { | |
| 530 len = lastcolon - in + 1; | |
| 531 strncpy(out, in, len); | |
| 532 out += len; | |
| 533 in += len; | |
| 534 } | |
| 535 | |
| 536 end_of_dir = NULL; /* default: no directory */ | |
| 537 | |
| 538 /* start of directory portion */ | |
| 539 ch = *in; | |
| 694 | 540 if ((ch == '[') || (ch == '/') || (ch == '<')) { /* start of directory(s) ? */ |
| 7 | 541 ch = '['; |
| 542 SKIP_FOLLOWING_SLASHES(in); | |
| 543 } else if (EQN(in, "../", 3)) { /* Unix parent directory? */ | |
| 544 *out++ = '['; | |
| 545 *out++ = '-'; | |
| 546 end_of_dir = out; | |
| 547 ch = '.'; | |
| 548 in += 2; | |
| 549 SKIP_FOLLOWING_SLASHES(in); | |
| 550 } else { /* not a special character */ | |
| 551 while (EQN(in, "./", 2)) { /* Ignore Unix "current dir" */ | |
| 552 in += 2; | |
| 553 SKIP_FOLLOWING_SLASHES(in); | |
| 554 } | |
| 555 if (strchr(in, '/') == NULL) { /* any more Unix directories ? */ | |
| 556 strcpy(out, in); /* No - get rest of the spec */ | |
| 557 return; | |
| 558 } else { | |
| 559 *out++ = '['; /* Yes, denote a Vms subdirectory */ | |
| 560 ch = '.'; | |
| 561 --in; | |
| 562 } | |
| 563 } | |
| 564 | |
| 565 /* if we get here, there is a directory part of the filename */ | |
| 566 | |
| 567 /* initialize output file spec */ | |
| 568 *out++ = ch; | |
| 569 ++in; | |
| 570 | |
| 571 while (*in != '\0') { | |
| 572 ch = *in; | |
| 573 if ((ch == ']') || (ch == '/') || (ch == '>') ) { /* end of (sub)directory ? */ | |
| 574 end_of_dir = out; | |
| 575 ch = '.'; | |
| 576 SKIP_FOLLOWING_SLASHES(in); | |
| 577 } | |
| 578 else if (EQN(in, "../", 3)) { /* Unix parent directory? */ | |
| 579 *out++ = '-'; | |
| 580 end_of_dir = out; | |
| 581 ch = '.'; | |
| 582 in += 2; | |
| 583 SKIP_FOLLOWING_SLASHES(in); | |
| 584 } | |
| 585 else { | |
| 586 while (EQN(in, "./", 2)) { /* Ignore Unix "current dir" */ | |
| 587 end_of_dir = out; | |
| 588 in += 2; | |
| 589 SKIP_FOLLOWING_SLASHES(in); | |
| 590 ch = *in; | |
| 591 } | |
| 592 } | |
| 593 | |
| 594 /* Place next character into output file spec */ | |
| 595 *out++ = ch; | |
| 596 ++in; | |
| 597 } | |
| 598 | |
| 599 *out = '\0'; /* Terminate output file spec */ | |
| 600 | |
| 601 if (end_of_dir != NULL) /* Terminate directory portion */ | |
| 602 *end_of_dir = ']'; | |
| 603 } | |
| 604 | |
| 605 | |
| 606 /* | |
| 607 * for decc$to_vms in vms_fixfilename | |
| 608 */ | |
| 609 static int | |
| 610 vms_fspec_proc(char *fil, int val) | |
| 611 { | |
| 612 strcpy(Fspec_Rms,fil); | |
| 613 return(1); | |
| 614 } | |
| 615 | |
| 616 /* | |
| 617 * change unix and mixed filenames to VMS | |
| 618 */ | |
| 619 void * | |
| 620 vms_fixfilename(void *instring) | |
| 621 { | |
| 622 static char *buf = NULL; | |
| 623 static size_t buflen = 0; | |
| 624 size_t len; | |
| 625 | |
| 626 /* get a big-enough buffer */ | |
| 627 len = strlen(instring) + 1; | |
| 628 if (len > buflen) | |
| 629 { | |
| 630 buflen = len + 128; | |
| 631 if (buf) | |
| 1738 | 632 buf = (char *)vim_realloc(buf, buflen); |
| 7 | 633 else |
| 1738 | 634 buf = (char *)alloc(buflen * sizeof(char)); |
| 7 | 635 } |
| 636 | |
| 637 #ifdef DEBUG | |
| 638 char *tmpbuf = NULL; | |
| 1738 | 639 tmpbuf = (char *)alloc(buflen * sizeof(char)); |
| 7 | 640 strcpy(tmpbuf, instring); |
| 641 #endif | |
| 642 | |
| 643 Fspec_Rms = buf; /* for decc$to_vms */ | |
| 644 | |
| 1121 | 645 if (strchr(instring,'/') == NULL) |
| 7 | 646 /* It is already a VMS file spec */ |
| 647 strcpy(buf, instring); | |
| 1121 | 648 else if (strchr(instring,'"') == NULL) /* password in the path? */ |
| 649 { | |
| 7 | 650 /* Seems it is a regular file, let guess that it is pure Unix fspec */ |
| 1121 | 651 if (decc$to_vms(instring, vms_fspec_proc, 0, 0) <= 0) |
| 7 | 652 /* No... it must be mixed */ |
| 653 vms_unix_mixed_filespec(instring, buf); | |
| 654 } | |
| 655 else | |
| 656 /* we have a password in the path */ | |
| 657 /* decc$ functions can not handle */ | |
| 658 /* this is our only hope to resolv */ | |
| 659 vms_unix_mixed_filespec(instring, buf); | |
| 660 | |
| 661 return buf; | |
| 662 } | |
| 1121 | 663 |
| 7 | 664 /* |
| 665 * Remove version number from file name | |
| 666 * we need it in some special cases as: | |
| 667 * creating swap file name and writing new file | |
| 668 */ | |
| 669 void | |
| 670 vms_remove_version(void * fname) | |
| 671 { | |
| 672 char_u *cp; | |
| 673 char_u *fp; | |
| 674 | |
| 675 if ((cp = vim_strchr( fname, ';')) != NULL) /* remove version */ | |
| 676 *cp = '\0'; | |
| 677 else if ((cp = vim_strrchr( fname, '.')) != NULL ) | |
| 678 { | |
| 679 if ((fp = vim_strrchr( fname, ']')) != NULL ) {;} | |
| 680 else if ((fp = vim_strrchr( fname, '>')) != NULL ) {;} | |
| 681 else fp = fname; | |
| 682 | |
| 683 while ( *fp != '\0' && fp < cp ) | |
| 684 if ( *fp++ == '.' ) | |
| 685 *cp = '\0'; | |
| 686 } | |
| 687 return ; | |
| 688 } | |
| 5541 | 689 |
| 690 struct typeahead_st { | |
| 691 unsigned short numchars; | |
| 692 unsigned char firstchar; | |
| 693 unsigned char reserved0; | |
| 694 unsigned long reserved1; | |
| 695 } typeahead; | |
| 696 | |
| 697 /* | |
| 698 * Wait "msec" msec until a character is available from file descriptor "fd". | |
| 699 * "msec" == 0 will check for characters once. | |
| 700 * "msec" == -1 will block until a character is available. | |
| 701 */ | |
| 702 int | |
| 703 RealWaitForChar(fd, msec, check_for_gpm) | |
| 704 int fd UNUSED; /* always read from iochan */ | |
| 705 long msec; | |
| 706 int *check_for_gpm UNUSED; | |
| 707 { | |
| 708 int status; | |
| 709 struct _generic_64 time_curr; | |
| 710 struct _generic_64 time_diff; | |
| 711 struct _generic_64 time_out; | |
| 712 unsigned int convert_operation = LIB$K_DELTA_SECONDS_F; | |
| 713 float sec = (float) msec / 1000; | |
| 714 | |
| 715 /* make sure the iochan is set */ | |
| 716 if (!iochan) | |
| 717 get_tty(); | |
| 718 | |
| 719 if (msec > 0) { | |
| 720 /* time-out specified; convert it to absolute time */ | |
| 721 | |
| 722 /* get current time (number of 100ns ticks since the VMS Epoch) */ | |
| 723 status = sys$gettim(&time_curr); | |
| 724 if (status != SS$_NORMAL) | |
| 725 return 0; /* error */ | |
| 726 | |
| 727 /* construct the delta time */ | |
| 728 status = lib$cvtf_to_internal_time( | |
| 729 &convert_operation, &sec, &time_diff); | |
| 730 if (status != LIB$_NORMAL) | |
| 731 return 0; /* error */ | |
| 732 | |
| 733 /* add them up */ | |
| 734 status = lib$add_times( | |
| 735 &time_curr, | |
| 736 &time_diff, | |
| 737 &time_out); | |
| 738 if (status != LIB$_NORMAL) | |
| 739 return 0; /* error */ | |
| 740 } | |
| 741 | |
| 742 while (TRUE) { | |
| 743 /* select() */ | |
| 744 status = sys$qiow(0, iochan, IO$_SENSEMODE | IO$M_TYPEAHDCNT, iosb, | |
| 745 0, 0, &typeahead, 8, 0, 0, 0, 0); | |
| 746 if (status != SS$_NORMAL || (iosb[0] & 0xFFFF) != SS$_NORMAL) | |
| 747 return 0; /* error */ | |
| 748 | |
| 749 if (typeahead.numchars) | |
| 750 return 1; /* ready to read */ | |
| 751 | |
| 752 /* there's nothing to read; what now? */ | |
| 753 if (msec == 0) { | |
| 754 /* immediate time-out; return impatiently */ | |
| 755 return 0; | |
| 756 } | |
| 757 else if (msec < 0) { | |
| 758 /* no time-out; wait on indefinitely */ | |
| 759 continue; | |
| 760 } | |
| 761 else { | |
| 762 /* time-out needs to be checked */ | |
| 763 status = sys$gettim(&time_curr); | |
| 764 if (status != SS$_NORMAL) | |
| 765 return 0; /* error */ | |
| 766 | |
| 767 status = lib$sub_times( | |
| 768 &time_out, | |
| 769 &time_curr, | |
| 770 &time_diff); | |
| 771 if (status != LIB$_NORMAL) | |
| 772 return 0; /* error, incl. time_diff < 0 (i.e. time-out) */ | |
| 773 | |
| 774 /* otherwise wait some more */ | |
| 775 } | |
| 776 } | |
| 777 } |