libndmp/common/libndmp_door_data.c

2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Use is subject to license terms.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * BSD 3 Clause License
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Copyright (c) 2007, The Storage Networking Industry Association.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Redistribution and use in source and binary forms, with or without
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * modification, are permitted provided that the following conditions
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * are met:
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *  - Redistributions of source code must retain the above copyright
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *    notice, this list of conditions and the following disclaimer.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *  - Redistributions in binary form must reproduce the above copyright
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *    notice, this list of conditions and the following disclaimer in
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *    the documentation and/or other materials provided with the
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *    distribution.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *  - Neither the name of The Storage Networking Industry Association (SNIA)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *    nor the names of its contributors may be used to endorse or promote
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *    products derived from this software without specific prior written
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *    permission.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * POSSIBILITY OF SUCH DAMAGE.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Provides encode/decode routines for all door servers/clients.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <string.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <errno.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <stdlib.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <libndmp.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_ctx_t *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_decode_start(char *ptr, int size)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    ndmp_door_ctx_t *ctx = malloc(sizeof (ndmp_door_ctx_t));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (ctx) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ctx->start_ptr = ctx->ptr = ptr;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ctx->end_ptr = ptr + size;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ctx->status = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (ctx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarint
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_decode_finish(ndmp_door_ctx_t *ctx)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int status = ctx->status;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if ((status == 0) && (ctx->ptr != ctx->end_ptr)) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        status = ENOTEMPTY;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    free(ctx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (status);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_ctx_t *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_encode_start(char *ptr, int size)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    ndmp_door_ctx_t *ctx = malloc(sizeof (ndmp_door_ctx_t));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (ctx) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ctx->start_ptr = ctx->ptr = ptr;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ctx->end_ptr = ptr + size;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ctx->status = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (ctx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarint
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_encode_finish(ndmp_door_ctx_t *ctx, unsigned int *used)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int status = ctx->status;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (status == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (ctx->ptr < ctx->end_ptr) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            /*LINTED E_PTRDIFF_OVERFLOW*/
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            *used = ctx->ptr - ctx->start_ptr;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            status = ENOSPC;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    free(ctx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (status);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarint32_t
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_get_int32(ndmp_door_ctx_t *ctx)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int32_t num = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (ctx->status == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (ctx->ptr + sizeof (int32_t) <= ctx->end_ptr) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            (void) memcpy(&num, ctx->ptr, sizeof (int32_t));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->ptr += sizeof (int32_t);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->status = ENOSPC;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (num);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdaruint32_t
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_get_uint32(ndmp_door_ctx_t *ctx)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return ((uint32_t)ndmp_door_get_int32(ctx));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarchar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_get_string(ndmp_door_ctx_t *ctx)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char *buf = NULL;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int len = ndmp_door_get_int32(ctx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (ctx->status == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (len == -1)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (buf);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (ctx->ptr + len <= ctx->end_ptr) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            buf = malloc(len +1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            if (buf) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                if (len == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                    (void) strcpy(buf, "");
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                    (void) memcpy(buf, ctx->ptr, len);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                    ctx->ptr += len;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                    *(buf + len) = '\0';
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                ctx->status = errno;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->status = ENOSPC;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (buf);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarvoid
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_put_int32(ndmp_door_ctx_t *ctx, int32_t num)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (ctx->status == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (ctx->ptr + sizeof (int32_t) <= ctx->end_ptr) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            (void) memcpy(ctx->ptr, &num, sizeof (int32_t));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->ptr += sizeof (int32_t);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->status = ENOSPC;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarvoid
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_put_uint32(ndmp_door_ctx_t *ctx, uint32_t num)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    ndmp_door_put_int32(ctx, (int32_t)num);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarvoid
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_put_string(ndmp_door_ctx_t *ctx, char *buf)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int len;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!buf)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        len = -1;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    else
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        len = strlen(buf);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (ctx->status == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ndmp_door_put_int32(ctx, len);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (len <= 0)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (ctx->ptr + len <= ctx->end_ptr) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            (void) memcpy(ctx->ptr, buf, len);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->ptr += len;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->status = ENOSPC;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarvoid
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_free_string(char *buf)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    free(buf);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarint64_t
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_get_int64(ndmp_door_ctx_t *ctx)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int64_t num = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (ctx->status == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (ctx->ptr + sizeof (int64_t) <= ctx->end_ptr) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            (void) memcpy(&num, ctx->ptr, sizeof (int64_t));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->ptr += sizeof (int64_t);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->status = ENOSPC;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (num);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdaruint64_t
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_get_uint64(ndmp_door_ctx_t *ctx)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return ((uint64_t)ndmp_door_get_int64(ctx));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarvoid
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_put_int64(ndmp_door_ctx_t *ctx, int64_t num)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (ctx->status == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (ctx->ptr + sizeof (int64_t) <= ctx->end_ptr) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            (void) memcpy(ctx->ptr, &num, sizeof (int64_t));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->ptr += sizeof (int64_t);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->status = ENOSPC;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarvoid
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_put_uint64(ndmp_door_ctx_t *ctx, uint64_t num)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    ndmp_door_put_int64(ctx, (int64_t)num);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarvoid
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_put_short(ndmp_door_ctx_t *ctx, short num)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (ctx->status == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (ctx->ptr + sizeof (short) <= ctx->end_ptr) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            (void) memcpy(ctx->ptr, &num, sizeof (short));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->ptr += sizeof (short);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->status = ENOSPC;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarshort
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_get_short(ndmp_door_ctx_t *ctx)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    short num = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (ctx->status == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (ctx->ptr + sizeof (short) <= ctx->end_ptr) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            (void) memcpy(&num, ctx->ptr, sizeof (short));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->ptr += sizeof (short);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->status = ENOSPC;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (num);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarvoid
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_put_ushort(ndmp_door_ctx_t *ctx, unsigned short num)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    ndmp_door_put_short(ctx, (short)num);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarunsigned short
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_get_ushort(ndmp_door_ctx_t *ctx)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return ((unsigned short)ndmp_door_get_short(ctx));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarvoid
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_put_buf(ndmp_door_ctx_t *ctx, unsigned char *start, int len)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    ndmp_door_put_int32(ctx, len);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (ctx->status == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (ctx->ptr + len <= ctx->end_ptr) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            (void) memcpy(ctx->ptr, start, len);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->ptr += len;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->status = ENOSPC;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarint
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmp_door_get_buf(ndmp_door_ctx_t *ctx, unsigned char *buf, int bufsize)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int len = -1;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!buf)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    len = ndmp_door_get_int32(ctx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (ctx->status == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (bufsize < len) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->status = ENOSPC;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (-2);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (ctx->ptr + len <= ctx->end_ptr) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            (void) memcpy(buf, ctx->ptr, len);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->ptr += len;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ctx->status = ENOSPC;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (-3);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (len);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}