aaru-dps/Aaru.Checksums.Native
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Refactor and reformat.

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This commit is contained in:
Natalia Portillo
2023-09-23 18:55:52 +01:00
parent 33f021fd54
commit 1905cb0d43
41 changed files with 1557 additions and 1462 deletions
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62
fletcher16.c
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@@ -37,11 +37,11 @@
*
* @return Pointer to a structure containing the checksum state.
*/
AARU_EXPORT fletcher16_ctx* AARU_CALL fletcher16_init()
AARU_EXPORT fletcher16_ctx *AARU_CALL fletcher16_init()
{
fletcher16_ctx* ctx;
fletcher16_ctx *ctx;
ctx = (fletcher16_ctx*)malloc(sizeof(fletcher16_ctx));
ctx = (fletcher16_ctx *)malloc(sizeof(fletcher16_ctx));
if(!ctx) return NULL;
@@ -62,7 +62,7 @@ AARU_EXPORT fletcher16_ctx* AARU_CALL fletcher16_init()
* @param data Pointer to the input data buffer.
* @param len The length of the input data buffer.
*/
AARU_EXPORT int AARU_CALL fletcher16_update(fletcher16_ctx* ctx, const uint8_t* data, uint32_t len)
AARU_EXPORT int AARU_CALL fletcher16_update(fletcher16_ctx *ctx, const uint8_t *data, uint32_t len)
{
if(!ctx || !data) return -1;
@@ -103,33 +103,35 @@ AARU_EXPORT int AARU_CALL fletcher16_update(fletcher16_ctx* ctx, const uint8_t*
{
len -= NMAX;
n = NMAX / 11; /* NMAX is divisible by 11 */
do {
sum1 += (data)[0];
do
{
sum1 += data[0];
sum2 += sum1;
sum1 += (data)[0 + 1];
sum1 += data[0 + 1];
sum2 += sum1;
sum1 += (data)[0 + 2];
sum1 += data[0 + 2];
sum2 += sum1;
sum1 += (data)[0 + 2 + 1];
sum1 += data[0 + 2 + 1];
sum2 += sum1;
sum1 += (data)[0 + 4];
sum1 += data[0 + 4];
sum2 += sum1;
sum1 += (data)[0 + 4 + 1];
sum1 += data[0 + 4 + 1];
sum2 += sum1;
sum1 += (data)[0 + 4 + 2];
sum1 += data[0 + 4 + 2];
sum2 += sum1;
sum1 += (data)[0 + 4 + 2 + 1];
sum1 += data[0 + 4 + 2 + 1];
sum2 += sum1;
sum1 += (data)[8];
sum1 += data[8];
sum2 += sum1;
sum1 += (data)[8 + 1];
sum1 += data[8 + 1];
sum2 += sum1;
sum1 += (data)[8 + 2];
sum1 += data[8 + 2];
sum2 += sum1;
/* 11 sums unrolled */
data += 11;
} while(--n);
}
while(--n);
sum1 %= FLETCHER16_MODULE;
sum2 %= FLETCHER16_MODULE;
}
@@ -140,27 +142,27 @@ AARU_EXPORT int AARU_CALL fletcher16_update(fletcher16_ctx* ctx, const uint8_t*
while(len >= 11)
{
len -= 11;
sum1 += (data)[0];
sum1 += data[0];
sum2 += sum1;
sum1 += (data)[0 + 1];
sum1 += data[0 + 1];
sum2 += sum1;
sum1 += (data)[0 + 2];
sum1 += data[0 + 2];
sum2 += sum1;
sum1 += (data)[0 + 2 + 1];
sum1 += data[0 + 2 + 1];
sum2 += sum1;
sum1 += (data)[0 + 4];
sum1 += data[0 + 4];
sum2 += sum1;
sum1 += (data)[0 + 4 + 1];
sum1 += data[0 + 4 + 1];
sum2 += sum1;
sum1 += (data)[0 + 4 + 2];
sum1 += data[0 + 4 + 2];
sum2 += sum1;
sum1 += (data)[0 + 4 + 2 + 1];
sum1 += data[0 + 4 + 2 + 1];
sum2 += sum1;
sum1 += (data)[8];
sum1 += data[8];
sum2 += sum1;
sum1 += (data)[8 + 1];
sum1 += data[8 + 1];
sum2 += sum1;
sum1 += (data)[8 + 2];
sum1 += data[8 + 2];
sum2 += sum1;
data += 11;
@@ -190,7 +192,7 @@ AARU_EXPORT int AARU_CALL fletcher16_update(fletcher16_ctx* ctx, const uint8_t*
*
* @returns 0 on success, -1 on error.
*/
AARU_EXPORT int AARU_CALL fletcher16_final(fletcher16_ctx* ctx, uint16_t* checksum)
AARU_EXPORT int AARU_CALL fletcher16_final(fletcher16_ctx *ctx, uint16_t *checksum)
{
if(!ctx) return -1;
@@ -206,7 +208,7 @@ AARU_EXPORT int AARU_CALL fletcher16_final(fletcher16_ctx* ctx, uint16_t* checks
*
* @param ctx The Fletcher-16 checksum context structure, to be freed.
*/
AARU_EXPORT void AARU_CALL fletcher16_free(fletcher16_ctx* ctx)
AARU_EXPORT void AARU_CALL fletcher16_free(fletcher16_ctx *ctx)
{
if(!ctx) return;