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LIBSSH2_ERROR_CHANNEL_WINDOW_FULL: add new error code

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In order to signal that the requested operation can not succeed
because the receiving window had been exhausted, the error code
LIBSSH2_ERROR_BUFFER_TOO_SMALL has been reused but I have found
that in certain context it may be ambigous.

This patch introduces a new error code,
LIBSSH2_ERROR_CHANNEL_WINDOW_FULL, exclusive to signal that condition.
This commit is contained in:
Salvador Fandino
2016-05-11 11:56:59 +02:00
committed by Alexander Lamaison
parent fdfcb2f9e6
commit 84172e5188
2 changed files with 2 additions and 1 deletions
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1
include/libssh2.h
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@@ -482,6 +482,7 @@ typedef struct _LIBSSH2_POLLFD {
#define LIBSSH2_ERROR_ENCRYPT -44
#define LIBSSH2_ERROR_BAD_SOCKET -45
#define LIBSSH2_ERROR_KNOWN_HOSTS -46
#define LIBSSH2_ERROR_CHANNEL_WINDOW_FULL -47
/* this is a define to provide the old (<= 1.2.7) name */
#define LIBSSH2_ERROR_BANNER_NONE LIBSSH2_ERROR_BANNER_RECV

2
src/channel.c
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@@ -2259,7 +2259,7 @@ static int channel_wait_eof(LIBSSH2_CHANNEL *channel)
if ((channel->remote.window_size == channel->read_avail) &&
session->api_block_mode)
return _libssh2_error(session, LIBSSH2_ERROR_BUFFER_TOO_SMALL,
return _libssh2_error(session, LIBSSH2_ERROR_CHANNEL_WINDOW_FULL,
"Receiving channel window has been exhausted");
rc = _libssh2_transport_read(session);