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delete Win95 code

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This commit is contained in:
Igor Sysoev 2009-09-24 19:55:35 +00:00
parent ef2662caab
commit 4bcc725f83
1 changed files with 12 additions and 90 deletions
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102
src/os/win32/ngx_files.c
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@ -46,56 +46,17 @@ ngx_open_file(u_char *name, u_long mode, u_long create, u_long access)
ssize_t
ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset)
{
long high_offset;
u_long n;
ngx_err_t err;
OVERLAPPED ovlp, *povlp;
if (ngx_win32_version < NGX_WIN_NT) {
ovlp.Internal = 0;
ovlp.InternalHigh = 0;
ovlp.Offset = (u_long) offset;
ovlp.OffsetHigh = (u_long) (offset >> 32);
ovlp.hEvent = NULL;
/*
* under Win9X the overlapped pointer must be NULL
* so we have to use SetFilePointer() to set the offset
*/
if (file->offset != offset) {
/*
* the maximum file size on the FAT16 is 2G, but on the FAT32
* the size is 4G so we have to use the high_offset
* because a single offset is signed value
*/
high_offset = (long) (offset >> 32);
if (SetFilePointer(file->fd, (long) offset, &high_offset,
FILE_BEGIN) == INVALID_SET_FILE_POINTER)
{
/*
* INVALID_SET_FILE_POINTER is 0xffffffff and it can be valid
* value for large file so we need also to check GetLastError()
*/
err = ngx_errno;
if (err != NO_ERROR) {
ngx_log_error(NGX_LOG_ERR, file->log, err,
"SeekFilePointer() failed");
return NGX_ERROR;
}
}
}
povlp = NULL;
} else {
ovlp.Internal = 0;
ovlp.InternalHigh = 0;
ovlp.Offset = (u_long) offset;
ovlp.OffsetHigh = (u_long) (offset >> 32);
ovlp.hEvent = NULL;
povlp = &ovlp;
}
povlp = &ovlp;
if (ReadFile(file->fd, buf, size, &n, povlp) == 0) {
err = ngx_errno;
@ -117,55 +78,16 @@ ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset)
ssize_t
ngx_write_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset)
{
long high_offset;
u_long n;
ngx_err_t err;
OVERLAPPED ovlp, *povlp;
if (ngx_win32_version < NGX_WIN_NT) {
ovlp.Internal = 0;
ovlp.InternalHigh = 0;
ovlp.Offset = (u_long) offset;
ovlp.OffsetHigh = (u_long) (offset >> 32);
ovlp.hEvent = NULL;
/*
* under Win9X the overlapped pointer must be NULL
* so we have to use SetFilePointer() to set the offset
*/
if (file->offset != offset) {
/*
* the maximum file size on the FAT16 is 2G, but on the FAT32
* the size is 4G so we have to use high_offset
* because a single offset is signed value
*/
high_offset = (long) (offset >> 32);
if (SetFilePointer(file->fd, (long) offset, &high_offset,
FILE_BEGIN) == INVALID_SET_FILE_POINTER)
{
/*
* INVALID_SET_FILE_POINTER is 0xffffffff and it can be valid
* value for large file so we need also to check GetLastError()
*/
err = ngx_errno;
if (err != NO_ERROR) {
ngx_log_error(NGX_LOG_ERR, file->log, err,
"SeekFilePointer() failed");
return NGX_ERROR;
}
}
}
povlp = NULL;
} else {
ovlp.Internal = 0;
ovlp.InternalHigh = 0;
ovlp.Offset = (u_long) offset;
ovlp.OffsetHigh = (u_long) (offset >> 32);
ovlp.hEvent = NULL;
povlp = &ovlp;
}
povlp = &ovlp;
if (WriteFile(file->fd, buf, size, &n, povlp) == 0) {
ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno, "WriteFile() failed");