1 | //error.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010 |
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5 | * |
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6 | * This file is part of libroar a part of RoarAudio, |
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7 | * a cross-platform sound system for both, home and professional use. |
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8 | * See README for details. |
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9 | * |
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10 | * This file is free software; you can redistribute it and/or modify |
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11 | * it under the terms of the GNU General Public License version 3 |
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12 | * as published by the Free Software Foundation. |
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13 | * |
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14 | * libroar is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this software; see the file COPYING. If not, write to |
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21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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22 | * Boston, MA 02110-1301, USA. |
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23 | * |
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24 | * NOTE for everyone want's to change something and send patches: |
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25 | * read README and HACKING! There a addition information on |
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26 | * the license of this document you need to read before you send |
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27 | * any patches. |
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28 | * |
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29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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30 | * or libpulse*: |
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31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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32 | * and are therefore GPL. Because of this it may be illigal to use |
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33 | * them with any software that uses libesd, libartsc or libpulse*. |
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34 | */ |
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35 | |
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36 | #include "libroar.h" |
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37 | |
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38 | int roar_err_int(struct roar_error_frame * frame) { |
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39 | if ( frame == NULL ) |
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40 | return -1; |
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41 | |
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42 | memset(frame, 0, sizeof(struct roar_error_frame)); |
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43 | |
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44 | frame->cmd = -1; |
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45 | frame->ra_errno = -1; |
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46 | frame->ra_suberrno = -1; |
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47 | frame->p_errno = -1; |
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48 | |
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49 | return 0; |
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50 | } |
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51 | |
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52 | void * roar_err_buildmsg(struct roar_message * mes, struct roar_error_frame * frame) { |
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53 | int16_t * d; |
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54 | |
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55 | if ( mes == NULL || frame == NULL ) |
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56 | return NULL; |
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57 | |
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58 | memset(mes, 0, sizeof(struct roar_message)); |
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59 | |
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60 | d = (int16_t*)mes->data; |
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61 | |
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62 | mes->datalen = 8 + frame->datalen; |
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63 | frame->data = &(mes->data[8]); |
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64 | |
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65 | mes->data[0] = 0; // version. |
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66 | mes->data[1] = frame->cmd; |
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67 | mes->data[2] = frame->ra_errno; |
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68 | mes->data[3] = frame->ra_suberrno; |
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69 | d[2] = ROAR_HOST2NET16(frame->p_errno); |
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70 | d[3] = ROAR_HOST2NET16(frame->flags); |
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71 | |
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72 | return frame->data; |
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73 | } |
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74 | |
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75 | int roar_err_parsemsg(struct roar_message * mes, struct roar_error_frame * frame) { |
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76 | int16_t * d; |
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77 | |
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78 | if ( mes == NULL || frame == NULL ) |
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79 | return -1; |
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80 | |
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81 | d = (int16_t*)mes->data; |
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82 | |
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83 | if ( mes->datalen < 8 ) |
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84 | return -1; |
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85 | |
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86 | if ( mes->data[0] != 0 ) |
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87 | return -1; |
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88 | |
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89 | frame->cmd = mes->data[1]; |
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90 | frame->ra_errno = mes->data[2]; |
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91 | frame->ra_suberrno = mes->data[3]; |
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92 | frame->p_errno = ROAR_NET2HOST16(d[2]); |
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93 | frame->flags = ROAR_NET2HOST16(d[3]); |
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94 | |
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95 | frame->datalen = mes->datalen - 8; |
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96 | frame->data = &(mes->data[8]); |
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97 | |
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98 | return 0; |
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99 | } |
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100 | |
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101 | //ll |
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