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1 |
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2 #ifndef HEADER_COMP_H |
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3 #define HEADER_COMP_H |
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4 |
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5 #include <openssl/crypto.h> |
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6 |
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7 #ifdef __cplusplus |
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8 extern "C" { |
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9 #endif |
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10 |
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11 typedef struct comp_method_st |
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12 { |
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13 int type; /* NID for compression library */ |
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14 const char *name; /* A text string to identify the library */ |
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15 int (*init)(); |
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16 void (*finish)(); |
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17 int (*compress)(); |
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18 int (*expand)(); |
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19 long (*ctrl)(); |
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20 long (*callback_ctrl)(); |
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21 } COMP_METHOD; |
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22 |
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23 typedef struct comp_ctx_st |
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24 { |
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25 COMP_METHOD *meth; |
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26 unsigned long compress_in; |
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27 unsigned long compress_out; |
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28 unsigned long expand_in; |
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29 unsigned long expand_out; |
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30 |
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31 CRYPTO_EX_DATA ex_data; |
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32 } COMP_CTX; |
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33 |
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34 |
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35 COMP_CTX *COMP_CTX_new(COMP_METHOD *meth); |
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36 void COMP_CTX_free(COMP_CTX *ctx); |
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37 int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen, |
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38 unsigned char *in, int ilen); |
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39 int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen, |
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40 unsigned char *in, int ilen); |
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41 COMP_METHOD *COMP_rle(void ); |
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42 COMP_METHOD *COMP_zlib(void ); |
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43 |
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44 /* BEGIN ERROR CODES */ |
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45 /* The following lines are auto generated by the script mkerr.pl. Any changes |
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46 * made after this point may be overwritten when the script is next run. |
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47 */ |
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48 void ERR_load_COMP_strings(void); |
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49 |
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50 /* Error codes for the COMP functions. */ |
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51 |
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52 /* Function codes. */ |
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53 |
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54 /* Reason codes. */ |
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55 |
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56 #ifdef __cplusplus |
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57 } |
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58 #endif |
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59 #endif |
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60 |