37 lines
983 B
C
37 lines
983 B
C
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/* $OpenBSD: comp_local.h,v 1.2 2022/01/14 08:21:12 tb Exp $ */
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#ifndef HEADER_COMP_LOCAL_H
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#define HEADER_COMP_LOCAL_H
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__BEGIN_HIDDEN_DECLS
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struct CMP_CTX;
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struct comp_method_st {
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int type; /* NID for compression library */
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const char *name; /* A text string to identify the library */
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int (*init)(COMP_CTX *ctx);
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void (*finish)(COMP_CTX *ctx);
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int (*compress)(COMP_CTX *ctx, unsigned char *out, unsigned int olen,
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unsigned char *in, unsigned int ilen);
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int (*expand)(COMP_CTX *ctx, unsigned char *out, unsigned int olen,
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unsigned char *in, unsigned int ilen);
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/* The following two do NOTHING, but are kept for backward compatibility */
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long (*ctrl)(void);
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long (*callback_ctrl)(void);
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} /* COMP_METHOD */;
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struct comp_ctx_st {
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COMP_METHOD *meth;
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unsigned long compress_in;
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unsigned long compress_out;
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unsigned long expand_in;
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unsigned long expand_out;
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CRYPTO_EX_DATA ex_data;
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} /* COMP_CTX */;
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__END_HIDDEN_DECLS
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#endif /* !HEADER_COMP_LOCAL_H */
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