BadVPN – Blame information for rev 1
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1 | office | 1 | /** |
2 | * @file |
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3 | * SNMP pbuf stream wrapper (internal API, do not use in client code). |
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4 | */ |
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5 | |||
6 | /* |
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7 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science. |
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8 | * All rights reserved. |
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9 | * |
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10 | * Redistribution and use in source and binary forms, with or without modification, |
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11 | * are permitted provided that the following conditions are met: |
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12 | * |
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13 | * 1. Redistributions of source code must retain the above copyright notice, |
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14 | * this list of conditions and the following disclaimer. |
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15 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
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16 | * this list of conditions and the following disclaimer in the documentation |
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17 | * and/or other materials provided with the distribution. |
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18 | * 3. The name of the author may not be used to endorse or promote products |
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19 | * derived from this software without specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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22 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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23 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
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24 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
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26 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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29 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
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30 | * OF SUCH DAMAGE. |
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31 | * |
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32 | * This file is part of the lwIP TCP/IP stack. |
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33 | * |
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34 | * Author: Martin Hentschel <info@cl-soft.de> |
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35 | * |
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36 | */ |
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37 | |||
38 | #ifndef LWIP_HDR_APPS_SNMP_PBUF_STREAM_H |
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39 | #define LWIP_HDR_APPS_SNMP_PBUF_STREAM_H |
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40 | |||
41 | #include "lwip/apps/snmp_opts.h" |
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42 | |||
43 | #if LWIP_SNMP |
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44 | |||
45 | #include "lwip/err.h" |
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46 | #include "lwip/pbuf.h" |
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47 | |||
48 | #ifdef __cplusplus |
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49 | extern "C" { |
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50 | #endif |
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51 | |||
52 | struct snmp_pbuf_stream { |
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53 | struct pbuf *pbuf; |
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54 | u16_t offset; |
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55 | u16_t length; |
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56 | }; |
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57 | |||
58 | err_t snmp_pbuf_stream_init(struct snmp_pbuf_stream *pbuf_stream, struct pbuf *p, u16_t offset, u16_t length); |
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59 | err_t snmp_pbuf_stream_read(struct snmp_pbuf_stream *pbuf_stream, u8_t *data); |
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60 | err_t snmp_pbuf_stream_write(struct snmp_pbuf_stream *pbuf_stream, u8_t data); |
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61 | err_t snmp_pbuf_stream_writebuf(struct snmp_pbuf_stream *pbuf_stream, const void *buf, u16_t buf_len); |
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62 | err_t snmp_pbuf_stream_writeto(struct snmp_pbuf_stream *pbuf_stream, struct snmp_pbuf_stream *target_pbuf_stream, u16_t len); |
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63 | err_t snmp_pbuf_stream_seek(struct snmp_pbuf_stream *pbuf_stream, s32_t offset); |
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64 | err_t snmp_pbuf_stream_seek_abs(struct snmp_pbuf_stream *pbuf_stream, u32_t offset); |
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65 | |||
66 | #ifdef __cplusplus |
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67 | } |
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68 | #endif |
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69 | |||
70 | #endif /* LWIP_SNMP */ |
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71 | |||
72 | #endif /* LWIP_HDR_APPS_SNMP_PBUF_STREAM_H */ |