Commit | Line | Data |
---|---|---|
0c376465 | 1 | /* vms-misc.c -- BFD back-end for VMS/VAX (openVMS/VAX) and |
252b5132 | 2 | EVAX (openVMS/Alpha) files. |
3db64b00 | 3 | Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, |
9fcd9da6 | 4 | 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
0c376465 TG |
5 | |
6 | Miscellaneous functions. | |
252b5132 RH |
7 | |
8 | Written by Klaus K"ampf (kkaempf@rmi.de) | |
9 | ||
7920ce38 NC |
10 | This program is free software; you can redistribute it and/or modify |
11 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 12 | the Free Software Foundation; either version 3 of the License, or |
7920ce38 | 13 | (at your option) any later version. |
252b5132 | 14 | |
7920ce38 NC |
15 | This program is distributed in the hope that it will be useful, |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
252b5132 | 19 | |
7920ce38 NC |
20 | You should have received a copy of the GNU General Public License |
21 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
22 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
23 | MA 02110-1301, USA. */ | |
252b5132 | 24 | |
252b5132 RH |
25 | #if __STDC__ |
26 | #include <stdarg.h> | |
27 | #endif | |
28 | ||
252b5132 | 29 | #include "sysdep.h" |
3db64b00 | 30 | #include "bfd.h" |
252b5132 RH |
31 | #include "bfdlink.h" |
32 | #include "libbfd.h" | |
4b544b64 | 33 | #include "safe-ctype.h" |
252b5132 | 34 | |
95e34ef7 | 35 | #ifdef VMS |
9fcd9da6 NC |
36 | #if defined(__GNUC__) && !defined(globalref) |
37 | #define globalref extern | |
38 | #endif | |
95e34ef7 TG |
39 | #include <rms.h> |
40 | #include <unixlib.h> | |
41 | #include <starlet.h> | |
42 | #define RME$C_SETRFM 0x00000001 | |
43 | #include <unistd.h> | |
44 | #endif | |
45 | #include <time.h> | |
0c376465 | 46 | |
95e34ef7 TG |
47 | #include "vms.h" |
48 | #include "vms/emh.h" | |
0c376465 | 49 | |
252b5132 | 50 | #if VMS_DEBUG |
7920ce38 | 51 | /* Debug functions. */ |
252b5132 | 52 | |
0c376465 TG |
53 | /* Debug function for all vms extensions evaluates environment |
54 | variable VMS_DEBUG for a numerical value on the first call all | |
55 | error levels below this value are printed: | |
558e161f | 56 | |
0c376465 | 57 | Levels: |
252b5132 RH |
58 | 1 toplevel bfd calls (functions from the bfd vector) |
59 | 2 functions called by bfd calls | |
60 | ... | |
61 | 9 almost everything | |
62 | ||
0c376465 | 63 | Level is also indentation level. Indentation is performed |
7920ce38 | 64 | if level > 0. */ |
252b5132 | 65 | |
252b5132 RH |
66 | void |
67 | _bfd_vms_debug (int level, char *format, ...) | |
68 | { | |
69 | static int min_level = -1; | |
70 | static FILE *output = NULL; | |
71 | char *eptr; | |
72 | va_list args; | |
7920ce38 | 73 | int abslvl = (level > 0) ? level : - level; |
252b5132 RH |
74 | |
75 | if (min_level == -1) | |
76 | { | |
7920ce38 | 77 | if ((eptr = getenv ("VMS_DEBUG")) != NULL) |
252b5132 | 78 | { |
7920ce38 | 79 | min_level = atoi (eptr); |
252b5132 RH |
80 | output = stderr; |
81 | } | |
82 | else | |
83 | min_level = 0; | |
84 | } | |
85 | if (output == NULL) | |
86 | return; | |
87 | if (abslvl > min_level) | |
88 | return; | |
89 | ||
95e34ef7 | 90 | while (--level > 0) |
558e161f | 91 | fprintf (output, " "); |
7920ce38 | 92 | va_start (args, format); |
558e161f | 93 | vfprintf (output, format, args); |
7920ce38 NC |
94 | fflush (output); |
95 | va_end (args); | |
252b5132 RH |
96 | } |
97 | ||
7920ce38 NC |
98 | /* A debug function |
99 | hex dump 'size' bytes starting at 'ptr'. */ | |
252b5132 RH |
100 | |
101 | void | |
95e34ef7 | 102 | _bfd_hexdump (int level, unsigned char *ptr, int size, int offset) |
252b5132 RH |
103 | { |
104 | unsigned char *lptr = ptr; | |
105 | int count = 0; | |
106 | long start = offset; | |
107 | ||
108 | while (size-- > 0) | |
109 | { | |
95e34ef7 | 110 | if ((count % 16) == 0) |
252b5132 RH |
111 | vms_debug (level, "%08lx:", start); |
112 | vms_debug (-level, " %02x", *ptr++); | |
113 | count++; | |
114 | start++; | |
115 | if (size == 0) | |
116 | { | |
95e34ef7 | 117 | while ((count % 16) != 0) |
252b5132 RH |
118 | { |
119 | vms_debug (-level, " "); | |
120 | count++; | |
121 | } | |
122 | } | |
95e34ef7 | 123 | if ((count % 16) == 0) |
252b5132 RH |
124 | { |
125 | vms_debug (-level, " "); | |
126 | while (lptr < ptr) | |
127 | { | |
95e34ef7 | 128 | vms_debug (-level, "%c", (*lptr < 32) ? '.' : *lptr); |
252b5132 RH |
129 | lptr++; |
130 | } | |
131 | vms_debug (-level, "\n"); | |
132 | } | |
133 | } | |
95e34ef7 | 134 | if ((count % 16) != 0) |
252b5132 | 135 | vms_debug (-level, "\n"); |
252b5132 RH |
136 | } |
137 | #endif | |
252b5132 | 138 | \f |
0c376465 TG |
139 | |
140 | /* Copy sized string (string with fixed size) to new allocated area | |
141 | size is string size (size of record) */ | |
252b5132 RH |
142 | |
143 | char * | |
7920ce38 | 144 | _bfd_vms_save_sized_string (unsigned char *str, int size) |
252b5132 | 145 | { |
dc810e39 | 146 | char *newstr = bfd_malloc ((bfd_size_type) size + 1); |
252b5132 RH |
147 | |
148 | if (newstr == NULL) | |
7920ce38 | 149 | return NULL; |
95e34ef7 | 150 | memcpy (newstr, (char *) str, (size_t) size); |
252b5132 RH |
151 | newstr[size] = 0; |
152 | ||
153 | return newstr; | |
154 | } | |
155 | ||
0c376465 TG |
156 | /* Copy counted string (string with size at first byte) to new allocated area |
157 | ptr points to size byte on entry */ | |
252b5132 RH |
158 | |
159 | char * | |
7920ce38 | 160 | _bfd_vms_save_counted_string (unsigned char *ptr) |
252b5132 RH |
161 | { |
162 | int len = *ptr++; | |
163 | ||
164 | return _bfd_vms_save_sized_string (ptr, len); | |
165 | } | |
252b5132 | 166 | \f |
95e34ef7 | 167 | /* Object output routines. */ |
252b5132 | 168 | |
95e34ef7 TG |
169 | /* Begin new record. |
170 | Write 2 bytes rectype and 2 bytes record length. */ | |
252b5132 RH |
171 | |
172 | void | |
95e34ef7 | 173 | _bfd_vms_output_begin (struct vms_rec_wr *recwr, int rectype) |
252b5132 | 174 | { |
95e34ef7 | 175 | vms_debug2 ((6, "_bfd_vms_output_begin (type %d)\n", rectype)); |
252b5132 | 176 | |
95e34ef7 TG |
177 | /* Record must have been closed. */ |
178 | BFD_ASSERT (recwr->size == 0); | |
252b5132 | 179 | |
95e34ef7 | 180 | _bfd_vms_output_short (recwr, (unsigned int) rectype); |
252b5132 | 181 | |
95e34ef7 TG |
182 | /* Placeholder for length. */ |
183 | _bfd_vms_output_short (recwr, 0); | |
252b5132 | 184 | } |
252b5132 | 185 | |
95e34ef7 TG |
186 | /* Begin new sub-record. |
187 | Write 2 bytes rectype, and 2 bytes record length. */ | |
252b5132 RH |
188 | |
189 | void | |
95e34ef7 | 190 | _bfd_vms_output_begin_subrec (struct vms_rec_wr *recwr, int rectype) |
252b5132 | 191 | { |
95e34ef7 | 192 | vms_debug2 ((6, "_bfd_vms_output_begin_subrec (type %d)\n", rectype)); |
252b5132 | 193 | |
95e34ef7 TG |
194 | /* Subrecord must have been closed. */ |
195 | BFD_ASSERT (recwr->subrec_offset == 0); | |
252b5132 | 196 | |
95e34ef7 TG |
197 | /* Save start of subrecord offset. */ |
198 | recwr->subrec_offset = recwr->size; | |
252b5132 | 199 | |
95e34ef7 TG |
200 | /* Subrecord type. */ |
201 | _bfd_vms_output_short (recwr, (unsigned int) rectype); | |
252b5132 | 202 | |
7920ce38 | 203 | /* Placeholder for length. */ |
95e34ef7 | 204 | _bfd_vms_output_short (recwr, 0); |
252b5132 RH |
205 | } |
206 | ||
7920ce38 | 207 | /* Set record/subrecord alignment. */ |
252b5132 RH |
208 | |
209 | void | |
95e34ef7 | 210 | _bfd_vms_output_alignment (struct vms_rec_wr *recwr, int alignto) |
252b5132 | 211 | { |
95e34ef7 TG |
212 | vms_debug2 ((6, "_bfd_vms_output_alignment (%d)\n", alignto)); |
213 | recwr->align = alignto; | |
252b5132 RH |
214 | } |
215 | ||
95e34ef7 TG |
216 | /* Align the size of the current record (whose length is LENGTH). |
217 | Warning: this obviously changes the record (and the possible subrecord) | |
218 | length. */ | |
252b5132 | 219 | |
95e34ef7 TG |
220 | static void |
221 | _bfd_vms_output_align (struct vms_rec_wr *recwr, unsigned int length) | |
252b5132 | 222 | { |
95e34ef7 TG |
223 | unsigned int real_size = recwr->size; |
224 | unsigned int aligncount; | |
252b5132 | 225 | |
95e34ef7 TG |
226 | /* Pad with 0 if alignment is required. */ |
227 | aligncount = (recwr->align - (length % recwr->align)) % recwr->align; | |
228 | vms_debug2 ((6, "align: adding %d bytes\n", aligncount)); | |
229 | while (aligncount-- > 0) | |
230 | recwr->buf[real_size++] = 0; | |
252b5132 | 231 | |
95e34ef7 | 232 | recwr->size = real_size; |
252b5132 RH |
233 | } |
234 | ||
95e34ef7 | 235 | /* Ends current sub-record. Set length field. */ |
252b5132 RH |
236 | |
237 | void | |
95e34ef7 | 238 | _bfd_vms_output_end_subrec (struct vms_rec_wr *recwr) |
252b5132 | 239 | { |
95e34ef7 | 240 | int real_size = recwr->size; |
252b5132 RH |
241 | int length; |
242 | ||
95e34ef7 TG |
243 | /* Subrecord must be open. */ |
244 | BFD_ASSERT (recwr->subrec_offset != 0); | |
252b5132 | 245 | |
95e34ef7 | 246 | length = real_size - recwr->subrec_offset; |
252b5132 RH |
247 | |
248 | if (length == 0) | |
249 | return; | |
252b5132 | 250 | |
95e34ef7 | 251 | _bfd_vms_output_align (recwr, length); |
252b5132 | 252 | |
7920ce38 | 253 | /* Put length to buffer. */ |
95e34ef7 TG |
254 | bfd_putl16 ((bfd_vma) (recwr->size - recwr->subrec_offset), |
255 | recwr->buf + recwr->subrec_offset + 2); | |
252b5132 | 256 | |
95e34ef7 TG |
257 | /* Close the subrecord. */ |
258 | recwr->subrec_offset = 0; | |
252b5132 RH |
259 | } |
260 | ||
95e34ef7 | 261 | /* Ends current record (and write it). */ |
252b5132 RH |
262 | |
263 | void | |
95e34ef7 | 264 | _bfd_vms_output_end (bfd *abfd, struct vms_rec_wr *recwr) |
252b5132 | 265 | { |
95e34ef7 | 266 | vms_debug2 ((6, "_bfd_vms_output_end (size %u)\n", recwr->size)); |
252b5132 | 267 | |
95e34ef7 TG |
268 | /* Subrecord must have been closed. */ |
269 | BFD_ASSERT (recwr->subrec_offset == 0); | |
252b5132 | 270 | |
95e34ef7 TG |
271 | if (recwr->size == 0) |
272 | return; | |
252b5132 | 273 | |
95e34ef7 TG |
274 | _bfd_vms_output_align (recwr, recwr->size); |
275 | ||
276 | /* Write the length word. */ | |
277 | bfd_putl16 ((bfd_vma) recwr->size, recwr->buf + 2); | |
278 | ||
279 | /* File is open in undefined (UDF) format on VMS, but ultimately will be | |
280 | converted to variable length (VAR) format. VAR format has a length | |
281 | word first which must be explicitly output in UDF format. */ | |
282 | /* So, first the length word. */ | |
283 | bfd_bwrite (recwr->buf + 2, 2, abfd); | |
284 | ||
285 | /* Align. */ | |
286 | if (recwr->size & 1) | |
287 | recwr->buf[recwr->size++] = 0; | |
288 | ||
289 | /* Then the record. */ | |
290 | bfd_bwrite (recwr->buf, (size_t) recwr->size, abfd); | |
291 | ||
292 | recwr->size = 0; | |
293 | } | |
294 | ||
295 | /* Check remaining buffer size. Return what's left. */ | |
252b5132 RH |
296 | |
297 | int | |
95e34ef7 | 298 | _bfd_vms_output_check (struct vms_rec_wr *recwr, int size) |
252b5132 | 299 | { |
95e34ef7 | 300 | vms_debug2 ((6, "_bfd_vms_output_check (%d)\n", size)); |
252b5132 | 301 | |
95e34ef7 | 302 | return (MAX_OUTREC_SIZE - (recwr->size + size + MIN_OUTREC_LUFT)); |
252b5132 RH |
303 | } |
304 | ||
7920ce38 | 305 | /* Output byte (8 bit) value. */ |
252b5132 RH |
306 | |
307 | void | |
95e34ef7 | 308 | _bfd_vms_output_byte (struct vms_rec_wr *recwr, unsigned int value) |
252b5132 | 309 | { |
95e34ef7 | 310 | vms_debug2 ((6, "_bfd_vms_output_byte (%02x)\n", value)); |
252b5132 | 311 | |
95e34ef7 TG |
312 | *(recwr->buf + recwr->size) = value; |
313 | recwr->size += 1; | |
252b5132 RH |
314 | } |
315 | ||
7920ce38 | 316 | /* Output short (16 bit) value. */ |
252b5132 RH |
317 | |
318 | void | |
95e34ef7 | 319 | _bfd_vms_output_short (struct vms_rec_wr *recwr, unsigned int value) |
252b5132 | 320 | { |
95e34ef7 | 321 | vms_debug2 ((6, "_bfd_vms_output_short (%04x)\n", value)); |
252b5132 | 322 | |
95e34ef7 TG |
323 | bfd_putl16 ((bfd_vma) value & 0xffff, recwr->buf + recwr->size); |
324 | recwr->size += 2; | |
252b5132 RH |
325 | } |
326 | ||
7920ce38 | 327 | /* Output long (32 bit) value. */ |
252b5132 RH |
328 | |
329 | void | |
95e34ef7 | 330 | _bfd_vms_output_long (struct vms_rec_wr *recwr, unsigned long value) |
252b5132 | 331 | { |
95e34ef7 | 332 | vms_debug2 ((6, "_bfd_vms_output_long (%08lx)\n", value)); |
252b5132 | 333 | |
95e34ef7 TG |
334 | bfd_putl32 ((bfd_vma) value, recwr->buf + recwr->size); |
335 | recwr->size += 4; | |
252b5132 RH |
336 | } |
337 | ||
7920ce38 | 338 | /* Output quad (64 bit) value. */ |
252b5132 RH |
339 | |
340 | void | |
95e34ef7 | 341 | _bfd_vms_output_quad (struct vms_rec_wr *recwr, bfd_vma value) |
252b5132 | 342 | { |
95e34ef7 | 343 | vms_debug2 ((6, "_bfd_vms_output_quad (%08lx)\n", (unsigned long)value)); |
252b5132 | 344 | |
95e34ef7 TG |
345 | bfd_putl64 (value, recwr->buf + recwr->size); |
346 | recwr->size += 8; | |
252b5132 RH |
347 | } |
348 | ||
7920ce38 | 349 | /* Output c-string as counted string. */ |
252b5132 RH |
350 | |
351 | void | |
95e34ef7 | 352 | _bfd_vms_output_counted (struct vms_rec_wr *recwr, char *value) |
252b5132 | 353 | { |
7920ce38 | 354 | int len; |
252b5132 | 355 | |
95e34ef7 | 356 | vms_debug2 ((6, "_bfd_vms_output_counted (%s)\n", value)); |
252b5132 RH |
357 | |
358 | len = strlen (value); | |
359 | if (len == 0) | |
360 | { | |
361 | (*_bfd_error_handler) (_("_bfd_vms_output_counted called with zero bytes")); | |
362 | return; | |
363 | } | |
364 | if (len > 255) | |
365 | { | |
366 | (*_bfd_error_handler) (_("_bfd_vms_output_counted called with too many bytes")); | |
367 | return; | |
368 | } | |
95e34ef7 TG |
369 | _bfd_vms_output_byte (recwr, (unsigned int) len & 0xff); |
370 | _bfd_vms_output_dump (recwr, (unsigned char *) value, len); | |
252b5132 RH |
371 | } |
372 | ||
7920ce38 | 373 | /* Output character area. */ |
252b5132 RH |
374 | |
375 | void | |
95e34ef7 | 376 | _bfd_vms_output_dump (struct vms_rec_wr *recwr, unsigned char *data, int len) |
252b5132 | 377 | { |
95e34ef7 | 378 | vms_debug2 ((6, "_bfd_vms_output_dump (%d)\n", len)); |
252b5132 | 379 | |
95e34ef7 | 380 | if (len == 0) |
252b5132 RH |
381 | return; |
382 | ||
95e34ef7 TG |
383 | memcpy (recwr->buf + recwr->size, data, (size_t) len); |
384 | recwr->size += len; | |
252b5132 RH |
385 | } |
386 | ||
7920ce38 | 387 | /* Output count bytes of value. */ |
252b5132 RH |
388 | |
389 | void | |
95e34ef7 | 390 | _bfd_vms_output_fill (struct vms_rec_wr *recwr, int value, int count) |
252b5132 | 391 | { |
95e34ef7 | 392 | vms_debug2 ((6, "_bfd_vms_output_fill (val %02x times %d)\n", value, count)); |
252b5132 RH |
393 | |
394 | if (count == 0) | |
395 | return; | |
95e34ef7 TG |
396 | memset (recwr->buf + recwr->size, value, (size_t) count); |
397 | recwr->size += count; | |
252b5132 RH |
398 | } |
399 | ||
95e34ef7 TG |
400 | #ifdef VMS |
401 | /* Convert the file to variable record length format. This is done | |
402 | using undocumented system call sys$modify(). | |
403 | Pure VMS version. */ | |
252b5132 | 404 | |
9fcd9da6 NC |
405 | void |
406 | _bfd_vms_convert_to_var (char * vms_filename) | |
252b5132 | 407 | { |
95e34ef7 | 408 | struct FAB fab = cc$rms_fab; |
252b5132 | 409 | |
95e34ef7 TG |
410 | fab.fab$l_fna = vms_filename; |
411 | fab.fab$b_fns = strlen (vms_filename); | |
412 | fab.fab$b_fac = FAB$M_PUT; | |
413 | fab.fab$l_fop = FAB$M_ESC; | |
414 | fab.fab$l_ctx = RME$C_SETRFM; | |
252b5132 | 415 | |
95e34ef7 | 416 | sys$open (&fab); |
252b5132 | 417 | |
95e34ef7 | 418 | fab.fab$b_rfm = FAB$C_VAR; |
252b5132 | 419 | |
95e34ef7 TG |
420 | sys$modify (&fab); |
421 | sys$close (&fab); | |
252b5132 RH |
422 | } |
423 | ||
95e34ef7 TG |
424 | static int |
425 | vms_convert_to_var_1 (char *filename, int type) | |
252b5132 | 426 | { |
95e34ef7 TG |
427 | if (type != DECC$K_FILE) |
428 | return FALSE; | |
429 | vms_convert_to_var (filename); | |
430 | return TRUE; | |
252b5132 RH |
431 | } |
432 | ||
95e34ef7 TG |
433 | /* Convert the file to variable record length format. This is done |
434 | using undocumented system call sys$modify(). | |
435 | Unix filename version. */ | |
252b5132 | 436 | |
95e34ef7 TG |
437 | static int |
438 | vms_convert_to_var_unix_filename (const char *unix_filename) | |
252b5132 | 439 | { |
95e34ef7 TG |
440 | if (decc$to_vms (unix_filename, &vms_convert_to_var_1, 0, 1) != 1) |
441 | return FALSE; | |
442 | return TRUE; | |
443 | } | |
444 | #endif /* VMS */ | |
445 | ||
446 | /* Manufacture a VMS like time on a unix based system. | |
447 | stolen from obj-vms.c. */ | |
448 | ||
449 | unsigned char * | |
450 | get_vms_time_string (void) | |
451 | { | |
452 | static unsigned char tbuf[18]; | |
453 | #ifndef VMS | |
454 | char *pnt; | |
455 | time_t timeb; | |
456 | ||
457 | time (& timeb); | |
458 | pnt = ctime (&timeb); | |
459 | pnt[3] = 0; | |
460 | pnt[7] = 0; | |
461 | pnt[10] = 0; | |
462 | pnt[16] = 0; | |
463 | pnt[24] = 0; | |
464 | sprintf ((char *) tbuf, "%2s-%3s-%s %s", | |
465 | pnt + 8, pnt + 4, pnt + 20, pnt + 11); | |
466 | #else | |
467 | struct | |
468 | { | |
469 | int Size; | |
470 | unsigned char *Ptr; | |
471 | } Descriptor; | |
472 | Descriptor.Size = 17; | |
473 | Descriptor.Ptr = tbuf; | |
474 | SYS$ASCTIM (0, &Descriptor, 0, 0); | |
475 | #endif /* not VMS */ | |
476 | ||
477 | vms_debug2 ((6, "vmstimestring:'%s'\n", tbuf)); | |
478 | ||
479 | return tbuf; | |
252b5132 | 480 | } |
4b544b64 TG |
481 | |
482 | /* Create module name from filename (ie, extract the basename and convert it | |
483 | in upper cases). Works on both VMS and UNIX pathes. | |
484 | The result has to be free(). */ | |
485 | ||
486 | char * | |
487 | vms_get_module_name (const char *filename, bfd_boolean upcase) | |
488 | { | |
489 | char *fname, *fptr; | |
490 | const char *fout; | |
491 | ||
492 | /* Strip VMS path. */ | |
493 | fout = strrchr (filename, ']'); | |
494 | if (fout == NULL) | |
495 | fout = strchr (filename, ':'); | |
496 | if (fout != NULL) | |
497 | fout++; | |
498 | else | |
499 | fout = filename; | |
500 | ||
501 | /* Strip UNIX path. */ | |
502 | fptr = strrchr (fout, '/'); | |
503 | if (fptr != NULL) | |
504 | fout = fptr + 1; | |
505 | ||
506 | fname = strdup (fout); | |
507 | ||
508 | /* Strip suffix. */ | |
509 | fptr = strrchr (fname, '.'); | |
510 | if (fptr != 0) | |
511 | *fptr = 0; | |
512 | ||
513 | /* Convert to upper case and truncate at 31 characters. | |
514 | (VMS object file format restricts module name length to 31). */ | |
515 | fptr = fname; | |
516 | for (fptr = fname; *fptr != 0; fptr++) | |
517 | { | |
518 | if (*fptr == ';' || (fptr - fname) >= 31) | |
519 | { | |
520 | *fptr = 0; | |
521 | break; | |
522 | } | |
523 | if (upcase) | |
524 | *fptr = TOUPPER (*fptr); | |
525 | } | |
526 | return fname; | |
527 | } | |
528 | ||
529 | /* Convert a raw VMS time to a unix time. */ | |
530 | ||
531 | time_t | |
532 | vms_time_to_time_t (unsigned int hi, unsigned int lo) | |
533 | { | |
534 | const unsigned int off = 3506716800U; | |
535 | const unsigned int factor = 10000000; | |
536 | unsigned int tmp; | |
537 | unsigned int rlo; | |
538 | int i; | |
539 | ||
540 | /* First convert to seconds. */ | |
541 | tmp = hi % factor; | |
542 | hi = hi / factor; | |
543 | rlo = 0; | |
544 | for (i = 0; i < 4; i++) | |
545 | { | |
546 | tmp = (tmp << 8) | (lo >> 24); | |
547 | lo <<= 8; | |
548 | ||
549 | rlo = (rlo << 8) | (tmp / factor); | |
550 | tmp %= factor; | |
551 | } | |
552 | lo = rlo; | |
553 | ||
554 | /* Return 0 in case of overflow. */ | |
555 | if (lo > off && hi > 1) | |
556 | return 0; | |
557 | ||
558 | return lo - off; | |
559 | } | |
560 | ||
561 | /* Convert a raw (stored in a buffer) VMS time to a unix time. */ | |
562 | ||
563 | time_t | |
564 | vms_rawtime_to_time_t (unsigned char *buf) | |
565 | { | |
566 | unsigned int hi = bfd_getl32 (buf + 4); | |
567 | unsigned int lo = bfd_getl32 (buf + 0); | |
568 | ||
569 | return vms_time_to_time_t (hi, lo); | |
570 | } |