1 comp.h |
1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. |
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3 |
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4 * Redistribution and use in source and binary forms, with or without |
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5 * modification, are permitted provided that the following conditions are met: |
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6 |
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7 * Redistributions of source code must retain the above copyright notice, this |
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8 * list of conditions and the following disclaimer. |
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9 * Redistributions in binary form must reproduce the above copyright notice, |
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10 * this list of conditions and the following disclaimer in the documentation |
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11 * and/or other materials provided with the distribution. |
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12 * Neither the name of Nokia Corporation nor the names of its contributors |
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13 * may be used to endorse or promote products derived from this software |
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14 * without specific prior written permission. |
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15 |
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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23 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 * |
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27 * Description: |
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28 * |
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29 */ |
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30 |
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31 |
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32 #ifndef HEADER_COMP_H |
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33 #define HEADER_COMP_H |
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34 |
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35 #if (defined(__SYMBIAN32__) && !defined(SYMBIAN)) |
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36 #define SYMBIAN |
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37 #endif |
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38 |
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39 #ifdef SYMBIAN |
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40 #include <e32def.h> |
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41 #endif |
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42 #include <openssl/crypto.h> |
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43 |
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44 #ifdef __cplusplus |
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45 extern "C" { |
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46 #endif |
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47 #ifdef SYMBIAN |
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48 #include <e32def.h> |
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49 #endif |
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50 typedef struct comp_ctx_st COMP_CTX; |
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51 |
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52 typedef struct comp_method_st |
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53 { |
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54 int type; /* NID for compression library */ |
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55 const char *name; /* A text string to identify the library */ |
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56 int (*init)(COMP_CTX *ctx); |
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57 void (*finish)(COMP_CTX *ctx); |
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58 int (*compress)(COMP_CTX *ctx, |
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59 unsigned char *out, unsigned int olen, |
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60 unsigned char *in, unsigned int ilen); |
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61 int (*expand)(COMP_CTX *ctx, |
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62 unsigned char *out, unsigned int olen, |
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63 unsigned char *in, unsigned int ilen); |
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64 /* The following two do NOTHING, but are kept for backward compatibility */ |
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65 long (*ctrl)(void); |
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66 long (*callback_ctrl)(void); |
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67 } COMP_METHOD; |
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68 |
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69 struct comp_ctx_st |
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70 { |
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71 COMP_METHOD *meth; |
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72 unsigned long compress_in; |
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73 unsigned long compress_out; |
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74 unsigned long expand_in; |
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75 unsigned long expand_out; |
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76 |
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77 CRYPTO_EX_DATA ex_data; |
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78 }; |
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79 |
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80 |
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81 IMPORT_C COMP_CTX *COMP_CTX_new(COMP_METHOD *meth); |
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82 IMPORT_C void COMP_CTX_free(COMP_CTX *ctx); |
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83 IMPORT_C int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen, |
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84 unsigned char *in, int ilen); |
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85 IMPORT_C int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen, |
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86 unsigned char *in, int ilen); |
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87 IMPORT_C COMP_METHOD *COMP_rle(void ); |
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88 IMPORT_C COMP_METHOD *COMP_zlib(void ); |
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89 |
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90 /* BEGIN ERROR CODES */ |
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91 /* The following lines are auto generated by the script mkerr.pl. Any changes |
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92 * made after this point may be overwritten when the script is next run. |
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93 */ |
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94 IMPORT_C void ERR_load_COMP_strings(void); |
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95 |
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96 /* Error codes for the COMP functions. */ |
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97 |
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98 /* Function codes. */ |
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99 |
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100 /* Reason codes. */ |
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101 |
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102 #ifdef __cplusplus |
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103 } |
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104 #endif |
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105 #endif |