1 | /* SPDX-License-Identifier: BSD-2-Clause */ |
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2 | |
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3 | /* |
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4 | * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de) |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions |
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8 | * are met: |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * 2. Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * |
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15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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16 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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19 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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20 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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21 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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24 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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25 | * POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |
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28 | #if HAVE_CONFIG_H |
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29 | #include "config.h" |
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30 | #endif |
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31 | |
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32 | #include <rtems/recorddump.h> |
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33 | #include <rtems/score/io.h> |
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34 | |
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35 | #include <limits.h> |
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36 | #include <string.h> |
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37 | |
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38 | typedef struct { |
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39 | IO_Put_char put_char; |
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40 | void *arg; |
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41 | int out; |
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42 | size_t index; |
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43 | char buf[ 57 ]; |
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44 | } dump_context; |
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45 | |
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46 | static void put_char( int c, void *arg ) |
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47 | { |
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48 | dump_context *ctx; |
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49 | |
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50 | ctx = arg; |
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51 | |
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52 | ( *ctx->put_char )( c, ctx->arg ); |
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53 | ++ctx->out; |
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54 | |
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55 | if ( ctx->out >= 76 ) { |
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56 | ctx->out = 0; |
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57 | ( *ctx->put_char )( '\n', ctx->arg ); |
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58 | } |
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59 | } |
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60 | |
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61 | static void chunk( void *arg, const void *data, size_t length ) |
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62 | { |
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63 | dump_context *ctx; |
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64 | size_t index; |
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65 | const char *in; |
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66 | const void *end; |
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67 | |
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68 | ctx = arg; |
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69 | index = ctx->index; |
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70 | in = data; |
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71 | end = in + length; |
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72 | |
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73 | while ( in != end ) { |
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74 | ctx->buf[ index ] = *in; |
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75 | ++in; |
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76 | |
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77 | if ( index == RTEMS_ARRAY_SIZE( ctx->buf ) - 1 ) { |
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78 | index = 0; |
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79 | _IO_Base64( |
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80 | put_char, |
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81 | ctx, |
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82 | ctx->buf, |
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83 | sizeof( ctx->buf ), |
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84 | NULL, |
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85 | INT_MAX |
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86 | ); |
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87 | } else { |
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88 | ++index; |
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89 | } |
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90 | } |
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91 | |
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92 | ctx->index = index; |
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93 | } |
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94 | |
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95 | static void flush( dump_context *ctx ) |
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96 | { |
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97 | _IO_Base64( put_char, ctx, ctx->buf, ctx->index, NULL, INT_MAX ); |
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98 | } |
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99 | |
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100 | void rtems_record_dump_base64( IO_Put_char put_char, void *arg ) |
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101 | { |
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102 | dump_context ctx; |
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103 | |
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104 | memset( &ctx, 0, sizeof( ctx ) ); |
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105 | ctx.put_char = put_char; |
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106 | ctx.arg = arg; |
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107 | |
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108 | rtems_record_dump( chunk, &ctx ); |
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109 | flush( &ctx ); |
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110 | } |
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