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https://github.com/uselessd/alcove.git
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54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/* Copyright (c) 2014, Michael Santos <michael.santos@gmail.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "alcove.h"
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#include "alcove_call.h"
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/*
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* write(2)
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*
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*/
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ssize_t
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alcove_sys_write(alcove_state_t *ap, const char *arg, size_t len,
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char *reply, size_t rlen)
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{
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int index = 0;
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int rindex = 0;
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int fd = -1;
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char buf[MAXMSGLEN] = {0};
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size_t buflen = sizeof(buf);
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int rv = 0;
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/* fd */
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if (alcove_decode_int(arg, len, &index, &fd) < 0)
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return -1;
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/* buf */
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if (alcove_decode_iolist(arg, len, &index, buf, &buflen) < 0)
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return -1;
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rv = write(fd, buf, buflen);
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if (rv < 0) {
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rindex = alcove_mk_errno(reply, rlen, errno);
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}
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else {
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ALCOVE_OK(reply, &rindex,
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alcove_encode_longlong(reply, rlen, &rindex, rv));
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}
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return rindex;
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}
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