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os: further simplify FlushClient

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Since FlushClient only writes the data in the client's buffer,
with no extra data or padding, we only write at most as many bytes
as there are in the client buffer.

we just have to set oco->count to notWritten, the amount we still
have to write.

Signed-off-by: stefan11111 <stefan11111@shitposting.expert>
This commit is contained in:
stefan11111
2025-08-06 23:22:35 +03:00
committed by Enrico Weigelt
parent 1328254980
commit 808fc3a604
1 changed files with 7 additions and 12 deletions
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19
os/io.c
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@@ -631,7 +631,7 @@ FlushAllOutput(void)
continue;
if (!client_is_ready(client)) {
oc = (OsCommPtr) client->osPrivate;
(void) FlushClient(client, oc);
FlushClient(client, oc);
} else
NewOutputPending = TRUE;
}
@@ -932,19 +932,14 @@ FlushClient(ClientPtr who, OsCommPtr oc)
the rest. */
output_pending_mark(who);
if (written < oco->count) {
if (written > 0) {
oco->count -= written;
memmove((char *) oco->buf,
(char *) oco->buf + written, oco->count);
written = 0;
}
}
else {
written -= oco->count;
oco->count = 0;
if (written > 0) {
oco->count -= written;
memmove((char *) oco->buf,
(char *) oco->buf + written, oco->count);
written = 0;
}
oco->count = notWritten;
ospoll_listen(server_poll, oc->fd, X_NOTIFY_WRITE);
/* return only the amount explicitly requested */