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tcompress-lz4.c - dedup - data deduplication program |
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git clone git://bitreich.org/dedup/ git://hg6vgqziawt5s4dj.onion/dedup/ (git://bitreich.org) |
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--- |
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tcompress-lz4.c (893B) |
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--- |
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1 #include <sys/types.h> |
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2 |
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3 #include <err.h> |
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4 #include <stdint.h> |
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5 #include <string.h> |
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6 |
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7 #include <lz4.h> |
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8 |
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9 #include "blake2.h" |
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10 #include "dedup.h" |
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11 |
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12 int |
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13 lz4_init(struct compr_ctx *ctx) |
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14 { |
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15 return 0; |
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16 } |
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17 |
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18 size_t |
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19 lz4_size(struct compr_ctx *ctx, size_t n) |
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20 { |
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21 return LZ4_compressBound(n); |
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22 } |
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23 |
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24 size_t |
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25 lz4_compr(struct compr_ctx *ctx, const void *in, void *out, |
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26 size_t insize, size_t outsize) |
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27 { |
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28 int n; |
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29 |
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30 n = LZ4_compress_default((char *)in, (char *)out, insize, |
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31 outsize); |
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32 if (n < 0) |
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33 errx(1, "LZ4_compress_default failed"); |
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34 return n; |
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35 } |
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36 |
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37 size_t |
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38 lz4_decompr(struct compr_ctx *ctx, const void *in, void *out, |
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39 size_t insize, size_t outsize) |
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40 { |
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41 int n; |
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42 |
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43 n = LZ4_decompress_safe((char *)in, (char *)out, insize, |
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44 outsize); |
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45 if (n < 0) |
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46 errx(1, "LZ4_decompress_safe failed"); |
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47 return n; |
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48 } |
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49 |
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50 int |
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51 lz4_final(struct compr_ctx *ctx) |
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52 { |
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53 return 0; |
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54 } |
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