From c58e7427bf7200ad413c259f429f020b98d723ec Mon Sep 17 00:00:00 2001 From: Derrell Lipman Date: Tue, 26 Feb 2008 21:42:26 -0500 Subject: [PATCH] add a function to truncate a file to a specified size (This used to be commit 7e5752812d6d9e3bcf9a545cbdcf3afe2175dbc4) --- source3/libsmb/clifile.c | 49 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/source3/libsmb/clifile.c b/source3/libsmb/clifile.c index 10c35a30cc8..12c427a6fa6 100644 --- a/source3/libsmb/clifile.c +++ b/source3/libsmb/clifile.c @@ -888,6 +888,55 @@ bool cli_close(struct cli_state *cli, int fnum) } +/**************************************************************************** + Truncate a file to a specified size +****************************************************************************/ + +bool cli_ftruncate(struct cli_state *cli, int fnum, uint64_t size) +{ + unsigned int param_len = 6; + unsigned int data_len = 8; + uint16 setup = TRANSACT2_SETFILEINFO; + char param[6]; + unsigned char data[8]; + char *rparam=NULL, *rdata=NULL; + int saved_timeout = cli->timeout; + + SSVAL(param,0,fnum); + SSVAL(param,2,SMB_SET_FILE_END_OF_FILE_INFO); + SSVAL(param,4,0); + + SBVAL(data, 0, size); + + if (!cli_send_trans(cli, SMBtrans2, + NULL, /* name */ + -1, 0, /* fid, flags */ + &setup, 1, 0, /* setup, length, max */ + param, param_len, 2, /* param, length, max */ + (char *)&data, data_len,/* data, length, ... */ + cli->max_xmit)) { /* ... max */ + cli->timeout = saved_timeout; + return False; + } + + if (!cli_receive_trans(cli, SMBtrans2, + &rparam, ¶m_len, + &rdata, &data_len)) { + cli->timeout = saved_timeout; + SAFE_FREE(rdata); + SAFE_FREE(rparam); + return False; + } + + cli->timeout = saved_timeout; + + SAFE_FREE(rdata); + SAFE_FREE(rparam); + + return True; +} + + /**************************************************************************** send a lock with a specified locktype this is used for testing LOCKING_ANDX_CANCEL_LOCK -- 2.34.1