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making lseek explicitly adjust file offset.

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This commit is contained in:
Manoj Ampalam 2016-05-30 00:53:33 -07:00
parent 946ed7d297
commit ff96264aae
3 changed files with 13 additions and 12 deletions
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3
contrib/win32/openssh/config.h.vs
View File

@ -1664,9 +1664,6 @@
#define BROKEN_SYS_TERMIO_H
#define strerror strerror_win32
#define strerror strerror_win32
// PRAGMA SYS PORT
#define WITH_OPENSSL 1

20
contrib/win32/win32compat/fileio.c
View File

@ -223,8 +223,8 @@ createFile_flags_setup(int flags, int mode, struct createFile_flags* cf_flags) {
if (c_s_flags & O_EXCL)
cf_flags->dwCreationDisposition = CREATE_NEW;
else
cf_flags->dwCreationDisposition = OPEN_ALWAYS;
}
cf_flags->dwCreationDisposition = CREATE_ALWAYS;
}
if (c_s_flags & O_APPEND)
cf_flags->dwDesiredAccess = FILE_APPEND_DATA;
@ -301,7 +301,7 @@ VOID CALLBACK ReadCompletionRoutine(
/* initiate an async read */
/* TODO: make this a void func, store error in context */
int
fileio_ReadFileEx(struct w32_io* pio) {
fileio_ReadFileEx(struct w32_io* pio, unsigned int bytes_requested) {
debug2("ReadFileEx io:%p", pio);
if (pio->read_details.buf == NULL) {
@ -311,9 +311,13 @@ fileio_ReadFileEx(struct w32_io* pio) {
debug2("ReadFileEx - ERROR: %d, io:%p", errno, pio);
return -1;
}
pio->read_details.buf_size = READ_BUFFER_SIZE;
}
if (FILETYPE(pio) == FILE_TYPE_DISK)
pio->read_details.buf_size = min(bytes_requested, READ_BUFFER_SIZE);
else
pio->read_details.buf_size = READ_BUFFER_SIZE;
if (ReadFileEx(WINHANDLE(pio), pio->read_details.buf, pio->read_details.buf_size,
&pio->read_overlapped, &ReadCompletionRoutine))
pio->read_details.pending = TRUE;
@ -353,7 +357,7 @@ fileio_read(struct w32_io* pio, void *dst, unsigned int max) {
return -1;
}
else {
if (-1 == fileio_ReadFileEx(pio)) {
if (-1 == fileio_ReadFileEx(pio, max)) {
if ((FILETYPE(pio) == FILE_TYPE_PIPE)
&& (errno == ERROR_BROKEN_PIPE)) {
/* write end of the pipe closed */
@ -560,8 +564,8 @@ fileio_lseek(struct w32_io* pio, long offset, int origin) {
return -1;
}
//NO-OP as we automatically move file pointer in async io callbacks for files
//assert current postion in overlapped struct
pio->read_overlapped.Offset = offset;
pio->write_overlapped.Offset = offset;
return 0;
}
@ -625,7 +629,7 @@ fileio_on_select(struct w32_io* pio, BOOL rd) {
}
}
else {
if (fileio_ReadFileEx(pio) != 0) {
if (fileio_ReadFileEx(pio, INT_MAX) != 0) {
pio->read_details.error = errno;
errno = 0;
return;

2
sftp-server.c
View File

@ -1320,7 +1320,7 @@ process_rmdir(u_int32_t id)
static void
process_realpath(u_int32_t id)
{
char resolvedname[PATH_MAX];
char resolvedname[PATH_MAX+ 1];
char *path;
int r;
//#ifdef WIN32_FIXME