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comparison src/os/win32/ngx_files.c @ 3417:15017418fd84

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disable Win32 short file names
author Igor Sysoev <igor@sysoev.ru>
date Thu, 28 Jan 2010 14:17:51 +0000
parents 6be1f25bae90
children bdcae1a576e3
comparison
equal deleted inserted replaced
3416:ee713c767b25 3417:15017418fd84
8 #include <ngx_core.h> 8 #include <ngx_core.h>
9 9
10 10
11 #define NGX_UTF16_BUFLEN 256 11 #define NGX_UTF16_BUFLEN 256
12 12
13 static u_short *ngx_utf8_to_utf16(u_short *utf16, u_char *utf8, size_t len); 13 static u_short *ngx_utf8_to_utf16(u_short *utf16, u_char *utf8, size_t *len);
14 14
15 15
16 /* FILE_FLAG_BACKUP_SEMANTICS allows to obtain a handle to a directory */ 16 /* FILE_FLAG_BACKUP_SEMANTICS allows to obtain a handle to a directory */
17 17
18 ngx_fd_t 18 ngx_fd_t
19 ngx_open_file(u_char *name, u_long mode, u_long create, u_long access) 19 ngx_open_file(u_char *name, u_long mode, u_long create, u_long access)
20 { 20 {
21 u_short *u; 21 size_t len;
22 u_long n;
23 u_short *u, *lu;
22 ngx_fd_t fd; 24 ngx_fd_t fd;
23 ngx_err_t err; 25 ngx_err_t err;
24 u_short utf16[NGX_UTF16_BUFLEN]; 26 u_short utf16[NGX_UTF16_BUFLEN];
25 27
26 u = ngx_utf8_to_utf16(utf16, name, NGX_UTF16_BUFLEN); 28 len = NGX_UTF16_BUFLEN;
29 u = ngx_utf8_to_utf16(utf16, name, &len);
27 30
28 if (u == NULL) { 31 if (u == NULL) {
29 return INVALID_HANDLE_VALUE; 32 return INVALID_HANDLE_VALUE;
33 }
34
35 fd = INVALID_HANDLE_VALUE;
36 lu = NULL;
37
38 if (create == NGX_FILE_OPEN) {
39
40 lu = malloc(len * 2);
41 if (lu == NULL) {
42 goto failed;
43 }
44
45 n = GetLongPathNameW(u, lu, len);
46
47 if (n == 0) {
48 goto failed;
49 }
50
51 if (n != len - 1 || ngx_memcmp(u, lu, n) != 0) {
52 ngx_set_errno(NGX_ENOENT);
53 goto failed;
54 }
30 } 55 }
31 56
32 fd = CreateFileW(u, mode, 57 fd = CreateFileW(u, mode,
33 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, 58 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
34 NULL, create, FILE_FLAG_BACKUP_SEMANTICS, NULL); 59 NULL, create, FILE_FLAG_BACKUP_SEMANTICS, NULL);
35 60
61 failed:
62
63 err = ngx_errno;
64
65 if (lu) {
66 ngx_free(lu);
67 }
68
36 if (u != utf16) { 69 if (u != utf16) {
37 err = ngx_errno;
38 ngx_free(u); 70 ngx_free(u);
39 ngx_set_errno(err); 71 }
40 } 72
73 ngx_set_errno(err);
41 74
42 return fd; 75 return fd;
43 } 76 }
44 77
45 78
242 275
243 276
244 ngx_int_t 277 ngx_int_t
245 ngx_file_info(u_char *file, ngx_file_info_t *sb) 278 ngx_file_info(u_char *file, ngx_file_info_t *sb)
246 { 279 {
280 size_t len;
247 long rc; 281 long rc;
248 u_short *u; 282 u_short *u;
249 ngx_err_t err; 283 ngx_err_t err;
250 WIN32_FILE_ATTRIBUTE_DATA fa; 284 WIN32_FILE_ATTRIBUTE_DATA fa;
251 u_short utf16[NGX_UTF16_BUFLEN]; 285 u_short utf16[NGX_UTF16_BUFLEN];
252 286
253 u = ngx_utf8_to_utf16(utf16, file, NGX_UTF16_BUFLEN); 287 len = NGX_UTF16_BUFLEN;
288
289 u = ngx_utf8_to_utf16(utf16, file, &len);
254 290
255 if (u == NULL) { 291 if (u == NULL) {
256 return NGX_FILE_ERROR; 292 return NGX_FILE_ERROR;
257 } 293 }
258 294
509 return sc * bs; 545 return sc * bs;
510 } 546 }
511 547
512 548
513 static u_short * 549 static u_short *
514 ngx_utf8_to_utf16(u_short *utf16, u_char *utf8, size_t len) 550 ngx_utf8_to_utf16(u_short *utf16, u_char *utf8, size_t *len)
515 { 551 {
516 u_char *p; 552 u_char *p;
517 u_short *u, *last; 553 u_short *u, *last;
518 uint32_t n; 554 uint32_t n;
519 555
520 p = utf8; 556 p = utf8;
521 u = utf16; 557 u = utf16;
522 last = utf16 + len; 558 last = utf16 + *len;
523 559
524 while (u < last) { 560 while (u < last) {
525 561
526 if (*p < 0x80) { 562 if (*p < 0x80) {
527 *u = (u_short) *p; 563 *u++ = (u_short) *p;
528 564
529 if (*p == 0) { 565 if (*p == 0) {
566 *len = u - utf16;
530 return utf16; 567 return utf16;
531 } 568 }
532 569
533 u++;
534 p++; 570 p++;
535 571
536 continue; 572 continue;
537 } 573 }
538 574
552 u = malloc(((p - utf8) + ngx_strlen(p) + 1) * sizeof(u_short)); 588 u = malloc(((p - utf8) + ngx_strlen(p) + 1) * sizeof(u_short));
553 if (u == NULL) { 589 if (u == NULL) {
554 return NULL; 590 return NULL;
555 } 591 }
556 592
557 ngx_memcpy(u, utf16, len * 2); 593 ngx_memcpy(u, utf16, *len * 2);
558 594
559 utf16 = u; 595 utf16 = u;
560 u += len; 596 u += *len;
561 597
562 for ( ;; ) { 598 for ( ;; ) {
563 599
564 if (*p < 0x80) { 600 if (*p < 0x80) {
565 *u = (u_short) *p; 601 *u++ = (u_short) *p;
566 602
567 if (*p == 0) { 603 if (*p == 0) {
604 *len = u - utf16;
568 return utf16; 605 return utf16;
569 } 606 }
570 607
571 u++;
572 p++; 608 p++;
573 609
574 continue; 610 continue;
575 } 611 }
576 612