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/*
* Copyright (C) 2006 by Latchesar Ionkov <lucho@ionkov.net>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include <pthread.h>
#include <errno.h>
#include <stdint.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "9p.h"
#include "npfs.h"
#include "npclient.h"
#include "npcimpl.h"
int
npc_pwrite(Npcfid *fid, void *buf, u32 count, u64 offset)
{
int maxio = fid->fsys->msize - P9_IOHDRSZ;
Npfcall *tc = NULL, *rc = NULL;
int ret = -1;
if (count > maxio)
count = maxio;
if (!(tc = np_create_twrite(fid->fid, offset, count, buf))) {
np_uerror (ENOMEM);
goto done;
}
if (fid->fsys->rpc(fid->fsys, tc, &rc) < 0)
goto done;
ret = rc->u.rwrite.count;
done:
if (tc)
free(tc);
if (rc)
free(rc);
return ret;
}
int
npc_write(Npcfid *fid, void *buf, u32 count)
{
int ret;
ret = npc_pwrite (fid, buf, count, fid->offset);
if (ret > 0)
fid->offset += ret;
return ret;
}
int
npc_put(Npcfid *root, char *path, void *buf, u32 count)
{
int n, done = 0;
Npcfid *fid;
if (!(fid = npc_open_bypath (root, path, O_WRONLY)))
return -1;
while (done < count) {
n = npc_write(fid, buf + done, count - done);
if (n < 0) {
done = -1;
break;
}
done += n;
}
if (npc_clunk (fid) < 0)
done = -1;
return done;
}
int
npc_puts (Npcfid *fid, char *buf)
{
int n, count = strlen (buf), done = 0;
while (done < count) {
n = npc_write(fid, buf + done, count - done);
if (n < 0) {
done = -1;
break;
}
done += n;
}
return done;
}
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