Mercurial > vim
annotate src/os_vms.c @ 15969:9cc42db77a54 v8.1.0990
patch 8.1.0990: floating point exception with "%= 0" and "/= 0"
commit https://github.com/vim/vim/commit/e21c1580b7acb598a6e3c38565434fe5d0e2ad7a
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Mar 2 11:57:09 2019 +0100
patch 8.1.0990: floating point exception with "%= 0" and "/= 0"
Problem: Floating point exception with "%= 0" and "/= 0".
Solution: Avoid dividing by zero. (Dominique Pelle, closes https://github.com/vim/vim/issues/4058)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sat, 02 Mar 2019 12:00:06 +0100 |
| parents | 0d199e59a988 |
| children | ef00b6bc186b |
| rev | line source |
|---|---|
|
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4aead6a9b7a9
commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 7 | 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 */ |
| 6359 | 15 #if !defined(VAX) && !defined(PROTO) |
| 5541 | 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 | |
|
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patch 8.0.1550: various small problems in source files
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parents:
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changeset
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21 __union { /* You can treat me as... */ |
| 5541 | 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 | |
|
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commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
80 static TT_MODE get_tty(void); |
|
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
6695
diff
changeset
|
81 static void set_tty(int row, int col); |
| 7 | 82 |
| 83 #define EXPL_ALLOC_INC 64 | |
| 84 | |
| 85 #define EQN(S1,S2,LN) (strncmp(S1,S2,LN) == 0) | |
|
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patch 8.0.1688: some macros are used without a semicolon
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
86 #define SKIP_FOLLOWING_SLASHES(Str) do { while (Str[1] == '/') ++Str; } while (0) |
| 7 | 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 /* | |
| 5704 | 299 * Convert string to lowercase - most often filename |
| 300 */ | |
| 301 char * | |
| 302 vms_tolower( char *name ) | |
| 303 { | |
| 304 int i,nlen = strlen(name); | |
| 305 for (i = 0; i < nlen; i++) | |
| 306 name[i] = TOLOWER_ASC(name[i]); | |
| 307 return name; | |
| 308 } | |
| 309 | |
| 310 /* | |
| 7 | 311 * Convert VMS system() or lib$spawn() return code to Unix-like exit value. |
| 312 */ | |
| 313 int | |
| 314 vms_sys_status(int status) | |
| 315 { | |
| 316 if (status != SS$_NORMAL && (status & STS$M_SUCCESS) == 0) | |
| 317 return status; /* Command failed. */ | |
| 318 return 0; | |
| 319 } | |
| 320 | |
| 321 /* | |
| 322 * vms_read() | |
| 323 * function for low level char input | |
| 324 * | |
| 325 * Returns: input length | |
| 326 */ | |
| 327 int | |
| 328 vms_read(char *inbuf, size_t nbytes) | |
| 329 { | |
| 775 | 330 int status, function, len; |
| 331 TT_MODE tt_mode; | |
| 332 ITEM itmlst[2]; /* terminates on everything */ | |
| 7 | 333 static long trm_mask[8] = {-1, -1, -1, -1, -1, -1, -1, -1}; |
| 334 | |
| 335 /* whatever happened earlier we need an iochan here */ | |
| 336 if (!iochan) | |
| 775 | 337 tt_mode = get_tty(); |
| 7 | 338 |
| 694 | 339 /* important: clean the inbuf */ |
| 7 | 340 memset(inbuf, 0, nbytes); |
| 341 | |
| 694 | 342 /* set up the itemlist for the first read */ |
| 343 vul_item(&itmlst[0], 0, TRM$_MODIFIERS, | |
| 775 | 344 (char *)( TRM$M_TM_NOECHO | TRM$M_TM_NOEDIT | |
| 345 TRM$M_TM_NOFILTR | TRM$M_TM_TRMNOECHO | | |
| 346 TRM$M_TM_NORECALL) , 0); | |
| 694 | 347 vul_item(&itmlst[1], sizeof(trm_mask), TRM$_TERM, (char *)&trm_mask, 0); |
| 348 | |
| 349 /* wait forever for a char */ | |
| 350 function = (IO$_READLBLK | IO$M_EXTEND); | |
| 351 status = sys$qiow(0, iochan, function, &iosb, 0, 0, | |
| 775 | 352 inbuf, nbytes-1, 0, 0, &itmlst, sizeof(itmlst)); |
| 694 | 353 len = strlen(inbuf); /* how many chars we got? */ |
| 354 | |
| 1197 | 355 /* read immediately the rest in the IO queue */ |
| 694 | 356 function = (IO$_READLBLK | IO$M_TIMED | IO$M_ESCAPE | IO$M_NOECHO | IO$M_NOFILTR); |
| 357 status = sys$qiow(0, iochan, function, &iosb, 0, 0, | |
| 775 | 358 inbuf+len, nbytes-1-len, 0, 0, 0, 0); |
| 694 | 359 |
| 360 len = strlen(inbuf); /* return the total length */ | |
| 361 | |
| 7 | 362 return len; |
| 363 } | |
| 364 | |
| 365 /* | |
| 366 * vms_wproc() is called for each matching filename by decc$to_vms(). | |
| 367 * We want to save each match for later retrieval. | |
| 368 * | |
| 369 * Returns: 1 - continue finding matches | |
| 1197 | 370 * 0 - stop trying to find any further matches |
| 7 | 371 */ |
| 372 static int | |
| 373 vms_wproc(char *name, int val) | |
| 374 { | |
| 375 int i; | |
| 376 static int vms_match_alloced = 0; | |
| 377 | |
| 5704 | 378 if (val == DECC$K_FOREIGN ) /* foreign non VMS files are not counting */ |
| 7 | 379 return 1; |
| 380 | |
| 5704 | 381 /* accept all DECC$K_FILE and DECC$K_DIRECTORY */ |
| 7 | 382 if (vms_match_num == 0) { |
| 383 /* first time through, setup some things */ | |
| 384 if (NULL == vms_fmatch) { | |
| 385 vms_fmatch = (char_u **)alloc(EXPL_ALLOC_INC * sizeof(char *)); | |
| 386 if (!vms_fmatch) | |
| 387 return 0; | |
| 388 vms_match_alloced = EXPL_ALLOC_INC; | |
| 389 vms_match_free = EXPL_ALLOC_INC; | |
| 390 } | |
| 391 else { | |
| 392 /* re-use existing space */ | |
| 393 vms_match_free = vms_match_alloced; | |
| 394 } | |
| 395 } | |
| 396 | |
| 5704 | 397 /* make matches look uniform */ |
| 7 | 398 vms_remove_version(name); |
| 5704 | 399 name=vms_tolower(name); |
| 7 | 400 |
| 401 /* if name already exists, don't add it */ | |
| 402 for (i = 0; i<vms_match_num; i++) { | |
| 403 if (0 == STRCMP((char_u *)name,vms_fmatch[i])) | |
| 404 return 1; | |
| 405 } | |
| 406 if (--vms_match_free == 0) { | |
| 407 /* add more space to store matches */ | |
| 408 vms_match_alloced += EXPL_ALLOC_INC; | |
| 1738 | 409 vms_fmatch = (char_u **)vim_realloc(vms_fmatch, |
| 7 | 410 sizeof(char **) * vms_match_alloced); |
| 411 if (!vms_fmatch) | |
| 412 return 0; | |
| 413 vms_match_free = EXPL_ALLOC_INC; | |
| 414 } | |
| 415 vms_fmatch[vms_match_num] = vim_strsave((char_u *)name); | |
| 416 | |
| 417 ++vms_match_num; | |
| 418 return 1; | |
| 419 } | |
| 420 | |
| 421 /* | |
| 422 * mch_expand_wildcards this code does wild-card pattern | |
| 423 * matching NOT using the shell | |
| 424 * | |
| 1698 | 425 * return OK for success, FAIL for error (you may lose some |
| 7 | 426 * memory) and put an error message in *file. |
| 427 * | |
| 428 * num_pat number of input patterns | |
| 429 * pat array of pointers to input patterns | |
| 430 * num_file pointer to number of matched file names | |
| 431 * file pointer to array of pointers to matched file names | |
| 432 * | |
| 433 */ | |
| 434 int | |
| 435 mch_expand_wildcards(int num_pat, char_u **pat, int *num_file, char_u ***file, int flags) | |
| 436 { | |
|
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Various small fixes from Dominique Pelle.
Bram Moolenaar <bram@vim.org>
parents:
1738
diff
changeset
|
437 int i, cnt = 0; |
| 7 | 438 char_u buf[MAXPATHL]; |
| 5704 | 439 char *result; |
| 7 | 440 int dir; |
| 441 int files_alloced, files_free; | |
| 442 | |
| 443 *num_file = 0; /* default: no files found */ | |
| 444 files_alloced = EXPL_ALLOC_INC; | |
| 445 files_free = EXPL_ALLOC_INC; | |
| 446 *file = (char_u **) alloc(sizeof(char_u **) * files_alloced); | |
| 447 if (*file == NULL) | |
| 448 { | |
| 449 *num_file = 0; | |
| 450 return FAIL; | |
| 451 } | |
| 452 for (i = 0; i < num_pat; i++) | |
| 453 { | |
| 454 /* expand environment var or home dir */ | |
| 455 if (vim_strchr(pat[i],'$') || vim_strchr(pat[i],'~')) | |
| 456 expand_env(pat[i],buf,MAXPATHL); | |
| 457 else | |
| 458 STRCPY(buf,pat[i]); | |
| 459 | |
| 460 vms_match_num = 0; /* reset collection counter */ | |
| 5704 | 461 result = decc$translate_vms(vms_fixfilename(buf)); |
| 462 if ( (int) result == 0 || (int) result == -1 ) { | |
| 463 cnt = 0; | |
|
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patch 8.0.1550: various small problems in source files
Christian Brabandt <cb@256bit.org>
parents:
10328
diff
changeset
|
464 } else { |
| 5704 | 465 cnt = decc$to_vms(result, vms_wproc, 1 /*allow wild*/ , (flags & EW_DIR ? 0:1 ) /*allow directory*/) ; |
| 466 } | |
| 7 | 467 if (cnt > 0) |
| 468 cnt = vms_match_num; | |
| 469 | |
| 470 if (cnt < 1) | |
| 471 continue; | |
| 472 | |
| 473 for (i = 0; i < cnt; i++) | |
| 474 { | |
| 475 /* files should exist if expanding interactively */ | |
| 476 if (!(flags & EW_NOTFOUND) && mch_getperm(vms_fmatch[i]) < 0) | |
| 477 continue; | |
| 715 | 478 |
| 7 | 479 /* do not include directories */ |
| 480 dir = (mch_isdir(vms_fmatch[i])); | |
| 481 if (( dir && !(flags & EW_DIR)) || (!dir && !(flags & EW_FILE))) | |
| 482 continue; | |
| 715 | 483 |
| 484 /* Skip files that are not executable if we check for that. */ | |
| 6695 | 485 if (!dir && (flags & EW_EXEC) |
| 486 && !mch_can_exe(vms_fmatch[i], NULL, !(flags & EW_SHELLCMD))) | |
| 715 | 487 continue; |
| 488 | |
| 7 | 489 /* allocate memory for pointers */ |
| 490 if (--files_free < 1) | |
| 491 { | |
| 492 files_alloced += EXPL_ALLOC_INC; | |
| 1738 | 493 *file = (char_u **)vim_realloc(*file, |
| 7 | 494 sizeof(char_u **) * files_alloced); |
| 495 if (*file == NULL) | |
| 496 { | |
| 497 *file = (char_u **)""; | |
| 498 *num_file = 0; | |
| 499 return(FAIL); | |
| 500 } | |
| 501 files_free = EXPL_ALLOC_INC; | |
| 502 } | |
| 503 | |
| 504 (*file)[*num_file++] = vms_fmatch[i]; | |
| 505 } | |
| 506 } | |
| 507 return OK; | |
| 508 } | |
| 509 | |
| 510 int | |
| 511 mch_expandpath(garray_T *gap, char_u *path, int flags) | |
| 512 { | |
| 513 int i,cnt = 0; | |
| 5704 | 514 char *result; |
| 7 | 515 |
| 5704 | 516 vms_match_num = 0; |
| 517 /* the result from the decc$translate_vms needs to be handled */ | |
| 518 /* otherwise it might create ACCVIO error in decc$to_vms */ | |
| 519 result = decc$translate_vms(vms_fixfilename(path)); | |
| 520 if ( (int) result == 0 || (int) result == -1 ) { | |
|
13353
8412df1479a3
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521 cnt = 0; |
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522 } else { |
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523 cnt = decc$to_vms(result, vms_wproc, 1 /*allow_wild*/, (flags & EW_DIR ? 0:1 ) /*allow directory*/); |
| 5704 | 524 } |
| 7 | 525 if (cnt > 0) |
| 526 cnt = vms_match_num; | |
| 527 for (i = 0; i < cnt; i++) | |
| 528 { | |
| 529 if (mch_getperm(vms_fmatch[i]) >= 0) /* add existing file */ | |
| 530 addfile(gap, vms_fmatch[i], flags); | |
| 531 } | |
| 532 return cnt; | |
| 533 } | |
| 534 | |
| 535 /* | |
| 536 * attempt to translate a mixed unix-vms file specification to pure vms | |
| 537 */ | |
| 538 static void | |
| 539 vms_unix_mixed_filespec(char *in, char *out) | |
| 540 { | |
| 541 char *lastcolon; | |
| 542 char *end_of_dir; | |
| 543 char ch; | |
| 544 int len; | |
| 5704 | 545 char *out_str=out; |
| 7 | 546 |
| 547 /* copy vms filename portion up to last colon | |
| 548 * (node and/or disk) | |
| 549 */ | |
| 550 lastcolon = strrchr(in, ':'); /* find last colon */ | |
| 551 if (lastcolon != NULL) { | |
| 552 len = lastcolon - in + 1; | |
| 553 strncpy(out, in, len); | |
| 554 out += len; | |
| 555 in += len; | |
| 556 } | |
| 557 | |
| 558 end_of_dir = NULL; /* default: no directory */ | |
| 559 | |
| 560 /* start of directory portion */ | |
| 561 ch = *in; | |
| 694 | 562 if ((ch == '[') || (ch == '/') || (ch == '<')) { /* start of directory(s) ? */ |
| 7 | 563 ch = '['; |
| 564 SKIP_FOLLOWING_SLASHES(in); | |
| 565 } else if (EQN(in, "../", 3)) { /* Unix parent directory? */ | |
| 566 *out++ = '['; | |
| 567 *out++ = '-'; | |
| 568 end_of_dir = out; | |
| 569 ch = '.'; | |
| 570 in += 2; | |
| 571 SKIP_FOLLOWING_SLASHES(in); | |
| 572 } else { /* not a special character */ | |
| 573 while (EQN(in, "./", 2)) { /* Ignore Unix "current dir" */ | |
| 574 in += 2; | |
| 575 SKIP_FOLLOWING_SLASHES(in); | |
| 576 } | |
| 577 if (strchr(in, '/') == NULL) { /* any more Unix directories ? */ | |
| 578 strcpy(out, in); /* No - get rest of the spec */ | |
| 579 return; | |
| 580 } else { | |
| 581 *out++ = '['; /* Yes, denote a Vms subdirectory */ | |
| 582 ch = '.'; | |
| 583 --in; | |
| 584 } | |
| 585 } | |
| 586 | |
| 587 /* if we get here, there is a directory part of the filename */ | |
| 588 | |
| 589 /* initialize output file spec */ | |
| 590 *out++ = ch; | |
| 591 ++in; | |
| 592 | |
| 593 while (*in != '\0') { | |
| 594 ch = *in; | |
| 595 if ((ch == ']') || (ch == '/') || (ch == '>') ) { /* end of (sub)directory ? */ | |
| 596 end_of_dir = out; | |
| 597 ch = '.'; | |
| 598 SKIP_FOLLOWING_SLASHES(in); | |
| 599 } | |
| 600 else if (EQN(in, "../", 3)) { /* Unix parent directory? */ | |
| 601 *out++ = '-'; | |
| 602 end_of_dir = out; | |
| 603 ch = '.'; | |
| 604 in += 2; | |
| 605 SKIP_FOLLOWING_SLASHES(in); | |
| 606 } | |
| 607 else { | |
| 608 while (EQN(in, "./", 2)) { /* Ignore Unix "current dir" */ | |
| 609 end_of_dir = out; | |
| 610 in += 2; | |
| 611 SKIP_FOLLOWING_SLASHES(in); | |
| 612 ch = *in; | |
| 613 } | |
| 614 } | |
| 615 | |
| 616 /* Place next character into output file spec */ | |
| 617 *out++ = ch; | |
| 618 ++in; | |
| 619 } | |
| 620 | |
| 621 *out = '\0'; /* Terminate output file spec */ | |
| 622 | |
| 623 if (end_of_dir != NULL) /* Terminate directory portion */ | |
| 624 *end_of_dir = ']'; | |
| 625 } | |
| 626 | |
| 627 /* | |
| 628 * for decc$to_vms in vms_fixfilename | |
| 629 */ | |
| 630 static int | |
| 631 vms_fspec_proc(char *fil, int val) | |
| 632 { | |
| 633 strcpy(Fspec_Rms,fil); | |
| 634 return(1); | |
| 635 } | |
| 636 | |
| 637 /* | |
| 638 * change unix and mixed filenames to VMS | |
| 639 */ | |
| 640 void * | |
| 641 vms_fixfilename(void *instring) | |
| 642 { | |
| 643 static char *buf = NULL; | |
| 644 static size_t buflen = 0; | |
| 645 size_t len; | |
| 646 | |
| 647 /* get a big-enough buffer */ | |
| 648 len = strlen(instring) + 1; | |
| 649 if (len > buflen) | |
| 650 { | |
| 651 buflen = len + 128; | |
| 652 if (buf) | |
| 1738 | 653 buf = (char *)vim_realloc(buf, buflen); |
| 7 | 654 else |
| 1738 | 655 buf = (char *)alloc(buflen * sizeof(char)); |
| 7 | 656 } |
| 657 | |
| 658 #ifdef DEBUG | |
| 659 char *tmpbuf = NULL; | |
| 1738 | 660 tmpbuf = (char *)alloc(buflen * sizeof(char)); |
| 7 | 661 strcpy(tmpbuf, instring); |
| 662 #endif | |
| 663 | |
| 664 Fspec_Rms = buf; /* for decc$to_vms */ | |
| 665 | |
| 1121 | 666 if (strchr(instring,'/') == NULL) |
| 7 | 667 /* It is already a VMS file spec */ |
| 668 strcpy(buf, instring); | |
| 1121 | 669 else if (strchr(instring,'"') == NULL) /* password in the path? */ |
| 670 { | |
| 7 | 671 /* Seems it is a regular file, let guess that it is pure Unix fspec */ |
| 1121 | 672 if (decc$to_vms(instring, vms_fspec_proc, 0, 0) <= 0) |
| 7 | 673 /* No... it must be mixed */ |
| 674 vms_unix_mixed_filespec(instring, buf); | |
| 675 } | |
| 676 else | |
| 677 /* we have a password in the path */ | |
| 678 /* decc$ functions can not handle */ | |
| 679 /* this is our only hope to resolv */ | |
| 680 vms_unix_mixed_filespec(instring, buf); | |
| 681 | |
| 682 return buf; | |
| 683 } | |
| 1121 | 684 |
| 7 | 685 /* |
| 686 * Remove version number from file name | |
| 687 * we need it in some special cases as: | |
| 688 * creating swap file name and writing new file | |
| 689 */ | |
| 690 void | |
| 691 vms_remove_version(void * fname) | |
| 692 { | |
| 693 char_u *cp; | |
| 694 char_u *fp; | |
| 695 | |
| 696 if ((cp = vim_strchr( fname, ';')) != NULL) /* remove version */ | |
| 697 *cp = '\0'; | |
| 698 else if ((cp = vim_strrchr( fname, '.')) != NULL ) | |
| 699 { | |
| 700 if ((fp = vim_strrchr( fname, ']')) != NULL ) {;} | |
| 701 else if ((fp = vim_strrchr( fname, '>')) != NULL ) {;} | |
| 702 else fp = fname; | |
| 703 | |
| 704 while ( *fp != '\0' && fp < cp ) | |
| 705 if ( *fp++ == '.' ) | |
| 706 *cp = '\0'; | |
| 707 } | |
| 708 return ; | |
| 709 } | |
| 5541 | 710 |
| 711 struct typeahead_st { | |
| 712 unsigned short numchars; | |
| 713 unsigned char firstchar; | |
| 714 unsigned char reserved0; | |
| 715 unsigned long reserved1; | |
| 716 } typeahead; | |
| 717 | |
| 718 /* | |
| 719 * Wait "msec" msec until a character is available from file descriptor "fd". | |
| 720 * "msec" == 0 will check for characters once. | |
| 721 * "msec" == -1 will block until a character is available. | |
| 722 */ | |
| 723 int | |
|
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724 RealWaitForChar( |
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725 int fd UNUSED, /* always read from iochan */ |
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726 long msec, |
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727 int *check_for_gpm UNUSED, |
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728 int *interrupted) |
| 5541 | 729 { |
| 730 int status; | |
| 731 struct _generic_64 time_curr; | |
| 732 struct _generic_64 time_diff; | |
| 733 struct _generic_64 time_out; | |
| 734 unsigned int convert_operation = LIB$K_DELTA_SECONDS_F; | |
| 5704 | 735 float sec =(float) msec/1000; |
| 5541 | 736 |
| 737 /* make sure the iochan is set */ | |
| 738 if (!iochan) | |
| 739 get_tty(); | |
| 740 | |
| 5704 | 741 if (sec > 0) { |
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742 /* time-out specified; convert it to absolute time */ |
| 5704 | 743 /* sec>0 requirement of lib$cvtf_to_internal_time()*/ |
| 5541 | 744 |
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745 /* get current time (number of 100ns ticks since the VMS Epoch) */ |
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746 status = sys$gettim(&time_curr); |
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747 if (status != SS$_NORMAL) |
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748 return 0; /* error */ |
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749 /* construct the delta time */ |
| 5704 | 750 #if __G_FLOAT==0 |
| 751 # ifndef VAX | |
| 752 /* IEEE is default on IA64, but can be used on Alpha too - but not on VAX */ | |
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753 status = lib$cvts_to_internal_time( |
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754 &convert_operation, &sec, &time_diff); |
| 5704 | 755 # endif |
| 756 #else /* default on Alpha and VAX */ | |
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757 status = lib$cvtf_to_internal_time( |
| 5704 | 758 &convert_operation, &sec, &time_diff); |
| 759 #endif | |
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760 if (status != LIB$_NORMAL) |
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761 return 0; /* error */ |
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762 /* add them up */ |
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763 status = lib$add_times( |
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764 &time_curr, |
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765 &time_diff, |
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766 &time_out); |
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767 if (status != LIB$_NORMAL) |
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768 return 0; /* error */ |
| 5541 | 769 } |
| 770 | |
| 771 while (TRUE) { | |
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772 /* select() */ |
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773 status = sys$qiow(0, iochan, IO$_SENSEMODE | IO$M_TYPEAHDCNT, iosb, |
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774 0, 0, &typeahead, 8, 0, 0, 0, 0); |
| 5541 | 775 if (status != SS$_NORMAL || (iosb[0] & 0xFFFF) != SS$_NORMAL) |
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776 return 0; /* error */ |
| 5541 | 777 |
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778 if (typeahead.numchars) |
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779 return 1; /* ready to read */ |
| 5541 | 780 |
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781 /* there's nothing to read; what now? */ |
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782 if (msec == 0) { |
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783 /* immediate time-out; return impatiently */ |
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784 return 0; |
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785 } else if (msec < 0) { |
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786 /* no time-out; wait on indefinitely */ |
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787 return 1; /* fakeout to force a wait in vms_read() */ |
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788 } else { |
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789 /* time-out needs to be checked */ |
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790 status = sys$gettim(&time_curr); |
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791 if (status != SS$_NORMAL) |
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792 return 0; /* error */ |
| 5541 | 793 |
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794 status = lib$sub_times( |
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795 &time_out, |
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796 &time_curr, |
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797 &time_diff); |
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798 if (status != LIB$_NORMAL) |
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799 return 0; /* error, incl. time_diff < 0 (i.e. time-out) */ |
| 5541 | 800 |
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801 /* otherwise wait some more */ |
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802 } |
| 5541 | 803 } |
| 804 } |