1 /* vi:set ts=8 sts=4 sw=4:
3 * VIM - Vi IMproved by Bram Moolenaar
4 * VMS port by Henk Elbers
5 * VMS deport by Zoltan Arpadffy
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.
52 static TT_MODE orgmode;
53 static short iochan; /* TTY I/O channel */
54 static short iosb[4]; /* IO status block */
56 static int vms_match_num = 0;
57 static int vms_match_free = 0;
58 static char_u **vms_fmatch = NULL;
59 static char *Fspec_Rms; /* rms file spec, passed implicitly between routines */
63 static TT_MODE get_tty __ARGS((void));
64 static void set_tty __ARGS((int row, int col));
66 #define EXPL_ALLOC_INC 64
68 #define EQN(S1,S2,LN) (strncmp(S1,S2,LN) == 0)
69 #define SKIP_FOLLOWING_SLASHES(Str) while (Str[1] == '/') ++Str
73 * vul_desc vult een descriptor met een string en de lengte
77 vul_desc(DESC *des, char *str)
79 des->dsc$b_dtype = DSC$K_DTYPE_T;
80 des->dsc$b_class = DSC$K_CLASS_S;
81 des->dsc$a_pointer = str;
82 des->dsc$w_length = str ? strlen(str) : 0;
86 * vul_item vult een item met een aantal waarden
89 vul_item(ITEM *itm, short len, short cod, char *adr, int *ret)
98 mch_settmode(int tmode)
102 if ( tmode == TMODE_RAW )
105 switch (orgmode.width)
107 case 132: OUT_STR_NF((char_u *)"\033[?3h\033>"); break;
108 case 80: OUT_STR_NF((char_u *)"\033[?3l\033>"); break;
112 status = sys$qiow(0, iochan, IO$_SETMODE, iosb, 0, 0,
113 &orgmode, sizeof(TT_MODE), 0,0,0,0);
114 if (status!=SS$_NORMAL || (iosb[0]&0xFFFF)!=SS$_NORMAL)
116 (void)sys$dassgn(iochan);
122 set_tty(int row, int col)
125 TT_MODE newmode; /* New TTY mode bits */
126 static short first_time = TRUE;
137 newmode.x.y.length = row;
138 newmode.x.basic |= (TT$M_NOECHO | TT$M_HOSTSYNC);
139 newmode.x.basic &= ~TT$M_TTSYNC;
140 newmode.extended |= TT2$M_PASTHRU;
141 status = sys$qiow(0, iochan, IO$_SETMODE, iosb, 0, 0,
142 &newmode, sizeof(newmode), 0, 0, 0, 0);
143 if (status!=SS$_NORMAL || (iosb[0]&0xFFFF)!=SS$_NORMAL)
151 static $DESCRIPTOR(odsc,"SYS$OUTPUT"); /* output descriptor */
157 status = sys$assign(&odsc,&iochan,0,0);
159 status = sys$qiow(0, iochan, IO$_SENSEMODE, iosb, 0, 0,
160 &tt_mode, sizeof(tt_mode), 0, 0, 0, 0);
161 if (status != SS$_NORMAL || (iosb[0] & 0xFFFF) != SS$_NORMAL)
167 tt_mode.x.y.length = 0;
168 tt_mode.extended = 0;
174 * Get the current window size in Rows and Columns.
177 mch_get_shellsize(void)
181 tmode = get_tty(); /* get size from VMS */
182 Columns = tmode.width;
183 Rows = tmode.x.y.length;
188 * Try to set the window size to Rows and new_Columns.
191 mch_set_shellsize(void)
193 set_tty(Rows, Columns);
196 case 132: OUT_STR_NF((char_u *)"\033[?3h\033>"); break;
197 case 80: OUT_STR_NF((char_u *)"\033[?3l\033>"); break;
205 mch_getenv(char_u *lognam)
207 DESC d_file_dev, d_lognam ;
208 static char buffer[LNM$C_NAMLENGTH+1];
210 unsigned long attrib;
211 int lengte = 0, dum = 0, idx = 0;
215 vul_desc(&d_lognam, (char *)lognam);
216 vul_desc(&d_file_dev, "LNM$FILE_DEV");
217 attrib = LNM$M_CASE_BLIND;
218 vul_item(&itmlst.index, sizeof(int), LNM$_INDEX, (char *)&idx, &dum);
219 vul_item(&itmlst.string, LNM$C_NAMLENGTH, LNM$_STRING, buffer, &lengte);
221 if (sys$trnlnm(&attrib, &d_file_dev, &d_lognam, NULL,&itmlst) == SS$_NORMAL)
223 buffer[lengte] = '\0';
224 if (cp = (char_u *)alloc((unsigned)(lengte+1)))
225 strcpy((char *)cp, buffer);
228 else if ((sbuf = getenv((char *)lognam)))
230 lengte = strlen(sbuf) + 1;
231 cp = (char_u *)alloc((size_t)lengte);
233 strcpy((char *)cp, sbuf);
241 * mch_setenv VMS version of setenv()
244 mch_setenv(char *var, char *value, int x)
248 char acmode = PSL$C_SUPER; /* needs SYSNAM privilege */
252 vul_desc(&tabnam, "LNM$JOB");
253 vul_desc(&lognam, var);
254 vul_item(&itmlst.equ, value ? strlen(value) : 0, value ? LNM$_STRING : 0,
257 res = sys$crelnm(&attrib, &tabnam, &lognam, &acmode, &itmlst);
258 return((res == 1) ? 0 : -1);
262 vms_sys(char *cmd, char *out, char *inp)
264 DESC cdsc, odsc, idsc;
268 vul_desc(&cdsc, cmd);
270 vul_desc(&odsc, out);
272 vul_desc(&idsc, inp);
274 lib$spawn(cmd ? &cdsc : NULL, /* command string */
275 inp ? &idsc : NULL, /* input file */
276 out ? &odsc : NULL, /* output file */
277 0, 0, 0, &status, 0, 0, 0, 0, 0, 0);
282 * Convert VMS system() or lib$spawn() return code to Unix-like exit value.
285 vms_sys_status(int status)
287 if (status != SS$_NORMAL && (status & STS$M_SUCCESS) == 0)
288 return status; /* Command failed. */
294 * function for low level char input
296 * Returns: input length
299 vms_read(char *inbuf, size_t nbytes)
301 int status, function, len;
303 ITEM itmlst[2]; /* terminates on everything */
304 static long trm_mask[8] = {-1, -1, -1, -1, -1, -1, -1, -1};
306 /* whatever happened earlier we need an iochan here */
310 /* important: clean the inbuf */
311 memset(inbuf, 0, nbytes);
313 /* set up the itemlist for the first read */
314 vul_item(&itmlst[0], 0, TRM$_MODIFIERS,
315 (char *)( TRM$M_TM_NOECHO | TRM$M_TM_NOEDIT |
316 TRM$M_TM_NOFILTR | TRM$M_TM_TRMNOECHO |
317 TRM$M_TM_NORECALL) , 0);
318 vul_item(&itmlst[1], sizeof(trm_mask), TRM$_TERM, (char *)&trm_mask, 0);
320 /* wait forever for a char */
321 function = (IO$_READLBLK | IO$M_EXTEND);
322 status = sys$qiow(0, iochan, function, &iosb, 0, 0,
323 inbuf, nbytes-1, 0, 0, &itmlst, sizeof(itmlst));
324 len = strlen(inbuf); /* how many chars we got? */
326 /* read immediately the rest in the IO queue */
327 function = (IO$_READLBLK | IO$M_TIMED | IO$M_ESCAPE | IO$M_NOECHO | IO$M_NOFILTR);
328 status = sys$qiow(0, iochan, function, &iosb, 0, 0,
329 inbuf+len, nbytes-1-len, 0, 0, 0, 0);
331 len = strlen(inbuf); /* return the total length */
337 * vms_wproc() is called for each matching filename by decc$to_vms().
338 * We want to save each match for later retrieval.
340 * Returns: 1 - continue finding matches
341 * 0 - stop trying to find any further matches
344 vms_wproc(char *name, int val)
348 static int vms_match_alloced = 0;
350 if (val != DECC$K_FILE) /* Directories and foreign non VMS files are not
354 if (vms_match_num == 0) {
355 /* first time through, setup some things */
356 if (NULL == vms_fmatch) {
357 vms_fmatch = (char_u **)alloc(EXPL_ALLOC_INC * sizeof(char *));
360 vms_match_alloced = EXPL_ALLOC_INC;
361 vms_match_free = EXPL_ALLOC_INC;
364 /* re-use existing space */
365 vms_match_free = vms_match_alloced;
369 vms_remove_version(name);
371 /* convert filename to lowercase */
373 for (i = 0; i < nlen; i++)
374 name[i] = TOLOWER_ASC(name[i]);
376 /* if name already exists, don't add it */
377 for (i = 0; i<vms_match_num; i++) {
378 if (0 == STRCMP((char_u *)name,vms_fmatch[i]))
381 if (--vms_match_free == 0) {
382 /* add more space to store matches */
383 vms_match_alloced += EXPL_ALLOC_INC;
384 vms_fmatch = (char_u **)vim_realloc(vms_fmatch,
385 sizeof(char **) * vms_match_alloced);
388 vms_match_free = EXPL_ALLOC_INC;
390 vms_fmatch[vms_match_num] = vim_strsave((char_u *)name);
397 * mch_expand_wildcards this code does wild-card pattern
398 * matching NOT using the shell
400 * return OK for success, FAIL for error (you may lose some
401 * memory) and put an error message in *file.
403 * num_pat number of input patterns
404 * pat array of pointers to input patterns
405 * num_file pointer to number of matched file names
406 * file pointer to array of pointers to matched file names
410 mch_expand_wildcards(int num_pat, char_u **pat, int *num_file, char_u ***file, int flags)
413 char_u buf[MAXPATHL];
415 int files_alloced, files_free;
417 *num_file = 0; /* default: no files found */
418 files_alloced = EXPL_ALLOC_INC;
419 files_free = EXPL_ALLOC_INC;
420 *file = (char_u **) alloc(sizeof(char_u **) * files_alloced);
426 for (i = 0; i < num_pat; i++)
428 /* expand environment var or home dir */
429 if (vim_strchr(pat[i],'$') || vim_strchr(pat[i],'~'))
430 expand_env(pat[i],buf,MAXPATHL);
434 vms_match_num = 0; /* reset collection counter */
435 cnt = decc$to_vms(decc$translate_vms(vms_fixfilename(buf)), vms_wproc, 1, 0);
436 /* allow wild, no dir */
443 for (i = 0; i < cnt; i++)
445 /* files should exist if expanding interactively */
446 if (!(flags & EW_NOTFOUND) && mch_getperm(vms_fmatch[i]) < 0)
449 /* do not include directories */
450 dir = (mch_isdir(vms_fmatch[i]));
451 if (( dir && !(flags & EW_DIR)) || (!dir && !(flags & EW_FILE)))
454 /* Skip files that are not executable if we check for that. */
455 if (!dir && (flags & EW_EXEC) && !mch_can_exe(vms_fmatch[i]))
458 /* allocate memory for pointers */
459 if (--files_free < 1)
461 files_alloced += EXPL_ALLOC_INC;
462 *file = (char_u **)vim_realloc(*file,
463 sizeof(char_u **) * files_alloced);
466 *file = (char_u **)"";
470 files_free = EXPL_ALLOC_INC;
473 (*file)[*num_file++] = vms_fmatch[i];
480 mch_expandpath(garray_T *gap, char_u *path, int flags)
485 cnt = decc$to_vms(decc$translate_vms(vms_fixfilename(path)), vms_wproc, 1, 0);
486 /* allow wild, no dir */
489 for (i = 0; i < cnt; i++)
491 if (mch_getperm(vms_fmatch[i]) >= 0) /* add existing file */
492 addfile(gap, vms_fmatch[i], flags);
498 * attempt to translate a mixed unix-vms file specification to pure vms
501 vms_unix_mixed_filespec(char *in, char *out)
508 /* copy vms filename portion up to last colon
511 lastcolon = strrchr(in, ':'); /* find last colon */
512 if (lastcolon != NULL) {
513 len = lastcolon - in + 1;
514 strncpy(out, in, len);
519 end_of_dir = NULL; /* default: no directory */
521 /* start of directory portion */
523 if ((ch == '[') || (ch == '/') || (ch == '<')) { /* start of directory(s) ? */
525 SKIP_FOLLOWING_SLASHES(in);
526 } else if (EQN(in, "../", 3)) { /* Unix parent directory? */
532 SKIP_FOLLOWING_SLASHES(in);
533 } else { /* not a special character */
534 while (EQN(in, "./", 2)) { /* Ignore Unix "current dir" */
536 SKIP_FOLLOWING_SLASHES(in);
538 if (strchr(in, '/') == NULL) { /* any more Unix directories ? */
539 strcpy(out, in); /* No - get rest of the spec */
542 *out++ = '['; /* Yes, denote a Vms subdirectory */
548 /* if we get here, there is a directory part of the filename */
550 /* initialize output file spec */
554 while (*in != '\0') {
556 if ((ch == ']') || (ch == '/') || (ch == '>') ) { /* end of (sub)directory ? */
559 SKIP_FOLLOWING_SLASHES(in);
561 else if (EQN(in, "../", 3)) { /* Unix parent directory? */
566 SKIP_FOLLOWING_SLASHES(in);
569 while (EQN(in, "./", 2)) { /* Ignore Unix "current dir" */
572 SKIP_FOLLOWING_SLASHES(in);
577 /* Place next character into output file spec */
582 *out = '\0'; /* Terminate output file spec */
584 if (end_of_dir != NULL) /* Terminate directory portion */
590 * for decc$to_vms in vms_fixfilename
593 vms_fspec_proc(char *fil, int val)
595 strcpy(Fspec_Rms,fil);
600 * change unix and mixed filenames to VMS
603 vms_fixfilename(void *instring)
605 static char *buf = NULL;
606 static size_t buflen = 0;
609 /* get a big-enough buffer */
610 len = strlen(instring) + 1;
615 buf = (char *)vim_realloc(buf, buflen);
617 buf = (char *)alloc(buflen * sizeof(char));
622 tmpbuf = (char *)alloc(buflen * sizeof(char));
623 strcpy(tmpbuf, instring);
626 Fspec_Rms = buf; /* for decc$to_vms */
628 if (strchr(instring,'/') == NULL)
629 /* It is already a VMS file spec */
630 strcpy(buf, instring);
631 else if (strchr(instring,'"') == NULL) /* password in the path? */
633 /* Seems it is a regular file, let guess that it is pure Unix fspec */
634 if (decc$to_vms(instring, vms_fspec_proc, 0, 0) <= 0)
635 /* No... it must be mixed */
636 vms_unix_mixed_filespec(instring, buf);
639 /* we have a password in the path */
640 /* decc$ functions can not handle */
641 /* this is our only hope to resolv */
642 vms_unix_mixed_filespec(instring, buf);
648 * Remove version number from file name
649 * we need it in some special cases as:
650 * creating swap file name and writing new file
653 vms_remove_version(void * fname)
658 if ((cp = vim_strchr( fname, ';')) != NULL) /* remove version */
660 else if ((cp = vim_strrchr( fname, '.')) != NULL )
662 if ((fp = vim_strrchr( fname, ']')) != NULL ) {;}
663 else if ((fp = vim_strrchr( fname, '>')) != NULL ) {;}
666 while ( *fp != '\0' && fp < cp )