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authorCorinna Vinschen <corinna@vinschen.de>2004-07-14 17:51:17 +0400
committerCorinna Vinschen <corinna@vinschen.de>2004-07-14 17:51:17 +0400
commitdd3a7a2042b705875e74e8aba78c075a8c87635c (patch)
tree6b9fdb3719a7d0435e24d0e0494e0ad348e18a3e /winsup/cygwin/fhandler_raw.cc
parente84b534998a19f38639d15ff62fa73265b2cb42f (diff)
* fhandler_raw.cc (fhandler_dev_raw::raw_write): Remove buffered
write entirely.
Diffstat (limited to 'winsup/cygwin/fhandler_raw.cc')
-rw-r--r--winsup/cygwin/fhandler_raw.cc71
1 files changed, 1 insertions, 70 deletions
diff --git a/winsup/cygwin/fhandler_raw.cc b/winsup/cygwin/fhandler_raw.cc
index edbae89bd..2de7f3d5f 100644
--- a/winsup/cygwin/fhandler_raw.cc
+++ b/winsup/cygwin/fhandler_raw.cc
@@ -310,10 +310,7 @@ int
fhandler_dev_raw::raw_write (const void *ptr, size_t len)
{
DWORD bytes_written = 0;
- DWORD bytes_to_write;
- DWORD written;
char *p = (char *) ptr;
- char *tgt;
int ret;
/* Checking a previous end of media on tape */
@@ -327,73 +324,7 @@ fhandler_dev_raw::raw_write (const void *ptr, size_t len)
devbufstart = devbufend = 0;
is_writing (true);
- if (devbuf)
- {
- while (len > 0)
- {
- if ((len < devbufsiz || devbufend > 0) && devbufend < devbufsiz)
- {
- bytes_to_write = min (len, devbufsiz - devbufend);
- memcpy (devbuf + devbufend, p, bytes_to_write);
- bytes_written += bytes_to_write;
- devbufend += bytes_to_write;
- p += bytes_to_write;
- len -= bytes_to_write;
- }
- else
- {
- if (devbufend == devbufsiz)
- {
- bytes_to_write = devbufsiz;
- tgt = devbuf;
- }
- else
- {
- bytes_to_write = (len / devbufsiz) * devbufsiz;
- tgt = p;
- }
-
- ret = 0;
- write_file (tgt, bytes_to_write, &written, &ret);
-
- if (ret)
- {
- if (!is_eom (ret))
- {
- __seterrno ();
- return -1;
- }
-
- eom_detected (true);
-
- if (!written && !bytes_written)
- {
- set_errno (ENOSPC);
- return -1;
- }
-
- if (tgt == p)
- bytes_written += written;
-
- break; // from while (len > 0)
- }
-
- if (tgt == devbuf)
- {
- if (written != devbufsiz)
- memmove (devbuf, devbuf + written, devbufsiz - written);
- devbufend = devbufsiz - written;
- }
- else
- {
- len -= written;
- p += written;
- bytes_written += written;
- }
- }
- }
- }
- else if (len > 0)
+ if (len > 0)
{
if (!write_file (p, len, &bytes_written, &ret))
{