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comparison src/os/win32/ngx_files.c @ 182:3c49eaf3f522

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nginx-0.0.1-2003-11-13-09:14:05 import
author Igor Sysoev <igor@sysoev.ru>
date Thu, 13 Nov 2003 06:14:05 +0000
parents b75602822f64
children 4c698194c56d
comparison
equal deleted inserted replaced
181:811bdd2af794 182:3c49eaf3f522
3 #include <ngx_core.h> 3 #include <ngx_core.h>
4 4
5 5
6 ssize_t ngx_read_file(ngx_file_t *file, char *buf, size_t size, off_t offset) 6 ssize_t ngx_read_file(ngx_file_t *file, char *buf, size_t size, off_t offset)
7 { 7 {
8 size_t n; 8 size_t n;
9 long high_offset;
10 ngx_err_t err;
11 OVERLAPPED ovlp, *povlp;
9 12
10 if (ReadFile(file->fd, buf, size, &n, NULL) == 0) { 13 if (ngx_win32_version < NGX_WIN_NT) {
14 high_offset = (long) (offset >> 32);
15 if (SetFilePointer(file->fd, (long) offset, &high_offset, FILE_BEGIN)
16 == 0xFFFFFFFF)
17 {
18 err = ngx_errno;
19 if (err != NO_ERROR) {
20 ngx_log_error(NGX_LOG_ERR, file->log, err,
21 "SeekFilePointer() failed");
22 return NGX_ERROR;
23 }
24 }
25
26 povlp = NULL;
27
28 } else {
29 ovlp.Internal = 0;
30 ovlp.InternalHigh = 0;
31 ovlp.Offset = (DWORD) offset;
32 ovlp.OffsetHigh = (DWORD) (offset >> 32);
33 ovlp.hEvent = NULL;
34
35 povlp = &ovlp;
36 }
37
38 if (ReadFile(file->fd, buf, size, &n, povlp) == 0) {
11 ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno, "ReadFile() failed"); 39 ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno, "ReadFile() failed");
12 return NGX_ERROR; 40 return NGX_ERROR;
13 } 41 }
14 42
15 file->offset += n; 43 file->offset += n;
16 44
17 return n; 45 return n;
18 } 46 }
19 47
48
49 /* TODO: as read file */
50
51 ssize_t ngx_write_file(ngx_file_t *file, char *buf, size_t size, off_t offset)
52 {
53 size_t n;
54
55 if (WriteFile(file->fd, buf, size, &n, NULL) == 0) {
56 ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno, "WriteFile() failed");
57 return NGX_ERROR;
58 }
59
60 file->offset += n;
61
62 return n;
63 }
64
65
66 /* TODO: log error */
20 67
21 int ngx_file_append_mode(ngx_fd_t fd) 68 int ngx_file_append_mode(ngx_fd_t fd)
22 { 69 {
23 if (SetFilePointer(fd, 0, NULL, FILE_END) == 0xFFFFFFFF) { 70 if (SetFilePointer(fd, 0, NULL, FILE_END) == 0xFFFFFFFF) {
24 if (GetLastError() != NO_ERROR) { 71 if (GetLastError() != NO_ERROR) {