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The LITMUS^RT kernel.

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an> lzo1x_1_compress(src, slen, dst, &tmp_len, ctx->lzo_comp_mem); if (err != LZO_E_OK) return -EINVAL; *dlen = tmp_len; return 0; } static int lzo_decompress(struct crypto_tfm *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen) { int err; size_t tmp_len = *dlen; /* size_t(ulong) <-> uint on 64 bit */ err = lzo1x_decompress_safe(src, slen, dst, &tmp_len); if (err != LZO_E_OK) return -EINVAL; *dlen = tmp_len; return 0; } static struct crypto_alg alg = { .cra_name = "lzo", .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, .cra_ctxsize = sizeof(struct lzo_ctx), .cra_module = THIS_MODULE, .cra_list = LIST_HEAD_INIT(alg.cra_list), .cra_init = lzo_init, .cra_exit = lzo_exit, .cra_u = { .compress = { .coa_compress = lzo_compress, .coa_decompress = lzo_decompress } } }; static int __init init(void) { return crypto_register_alg(&alg); } static void __exit fini(void) { crypto_unregister_alg(&alg); } module_init(init); module_exit(fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("LZO Compression Algorithm");


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