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Fix -Werror=pointer-arith in fuzzers #3983

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Mar 21, 2024
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Fix -Werror=pointer-arith in fuzzers #3983

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8 changes: 4 additions & 4 deletions tests/fuzz/decompress_cross_format.c
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Original file line number Diff line number Diff line change
Expand Up @@ -27,15 +27,15 @@ int LLVMFuzzerTestOneInput(const uint8_t *src, size_t size)
// The rest will be interpreted as magicless compressed data.
FUZZ_dataProducer_t *producer = FUZZ_dataProducer_create(src, size);
size_t magiclessSize = FUZZ_dataProducer_reserveDataPrefix(producer);
const void* const magiclessSrc = src;
const uint8_t* const magiclessSrc = src;
size_t const dstSize = FUZZ_dataProducer_uint32Range(producer, 0, 10 * size);
void* const standardDst = FUZZ_malloc(dstSize);
void* const magiclessDst = FUZZ_malloc(dstSize);
uint8_t* const standardDst = (uint8_t*)FUZZ_malloc(dstSize);
uint8_t* const magiclessDst = (uint8_t*)FUZZ_malloc(dstSize);

// Create standard-format src from magicless-format src
const uint32_t zstd_magic = ZSTD_MAGICNUMBER;
size_t standardSize = sizeof(zstd_magic) + magiclessSize;
void* const standardSrc = FUZZ_malloc(standardSize);
uint8_t* const standardSrc = (uint8_t*)FUZZ_malloc(standardSize);
memcpy(standardSrc, &zstd_magic, sizeof(zstd_magic)); // assume fuzzing on little-endian machine
memcpy(standardSrc + sizeof(zstd_magic), magiclessSrc, magiclessSize);

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