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Merge pull request #141 from jjlilley/jjlilley

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Add #elif to enable an external mz_crc32() to be linked in.
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Martin Raiber 2019-10-11 16:11:13 +02:00 committed by GitHub
commit 3a00ea8b73
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1 changed files with 6 additions and 0 deletions
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miniz.c
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@ -82,6 +82,12 @@ mz_ulong mz_adler32(mz_ulong adler, const unsigned char *ptr, size_t buf_len)
} }
return ~crcu32; return ~crcu32;
} }
#elif defined(USE_EXTERNAL_MZCRC)
/* If USE_EXTERNAL_CRC is defined, an external module will export the
* mz_crc32() symbol for us to use, e.g. an SSE-accelerated version.
* Depending on the impl, it may be necessary to ~ the input/output crc values.
*/
mz_ulong mz_crc32(mz_ulong crc, const mz_uint8 *ptr, size_t buf_len);
#else #else
/* Faster, but larger CPU cache footprint. /* Faster, but larger CPU cache footprint.
*/ */