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crc32-slice-by-8.c: fix for C90 compilers

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crc32_slice_by_8.c:344:3: error: ISO C90 forbids mixed declarations
and code [-Werror=declaration-after-statement]

(cherry picked from commit 23a1d62b25)
This commit is contained in:
Thomas Waldmann 2017-11-27 01:01:34 +01:00
parent 209bf2dc24
commit 4fcb413802
1 changed files with 1 additions and 3 deletions
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src/borg/algorithms/crc32_slice_by_8.c
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@ -332,14 +332,12 @@ uint32_t crc32_slice_by_8(const void* data, size_t length, uint32_t previousCrc3
uint32_t crc = ~previousCrc32; // same as previousCrc32 ^ 0xFFFFFFFF
const uint32_t* current;
const uint8_t* currentChar;
const uint8_t* currentChar = (const uint8_t*) data;
// enabling optimization (at least -O2) automatically unrolls the inner for-loop
const size_t Unroll = 4;
const size_t BytesAtOnce = 8 * Unroll;
currentChar = (const uint8_t*) data;
// wanted: 32 bit / 4 Byte alignment, compute leading, unaligned bytes length
uintptr_t unaligned_length = (4 - (((uintptr_t) currentChar) & 3)) & 3;
// process unaligned bytes, if any (standard algorithm)