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xxhash: fix function definition and declaration mismatch

During the declaration of, let's say XXH32_init parameter type is
'unsigned int' while during the definition it is 'uint32_t'. Now, on
most desktop os, they are are usually same, however on some embedded
platforms, for example RTEMS which uses newlib as it's standard c
library, they both are different.

Signed-off-by: Jens Axboe <>
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madaari authored and axboe committed Aug 9, 2018
1 parent 2ce5846 commit ab9d7762b2c9907964a9f0553dd86bf469edd89d
Showing with 4 additions and 4 deletions.
  1. +4 −4 crc/xxhash.h
@@ -107,9 +107,9 @@ XXH32() :
// Advanced Hash Functions
void* XXH32_init (unsigned int seed);
void* XXH32_init (uint32_t seed);
XXH_errorcode XXH32_update (void* state, const void* input, int len);
unsigned int XXH32_digest (void* state);
uint32_t XXH32_digest (void* state);
These functions calculate the xxhash of an input provided in several small packets,
@@ -135,7 +135,7 @@ Memory will be freed by XXH32_digest().
int XXH32_sizeofState(void);
XXH_errorcode XXH32_resetState(void* state, unsigned int seed);
XXH_errorcode XXH32_resetState(void* state, uint32_t seed);
#define XXH32_SIZEOFSTATE 48
typedef struct { long long ll[(XXH32_SIZEOFSTATE+(sizeof(long long)-1))/sizeof(long long)]; } XXH32_stateSpace_t;
@@ -151,7 +151,7 @@ use the structure XXH32_stateSpace_t, which will ensure that memory space is lar
unsigned int XXH32_intermediateDigest (void* state);
uint32_t XXH32_intermediateDigest (void* state);
This function does the same as XXH32_digest(), generating a 32-bit hash,
but preserve memory context.

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