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cppchecker fix, removed odd loop

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iceman1001 2021-01-29 19:28:13 +01:00
parent 7750e60ac3
commit c50c0f1630
2 changed files with 13 additions and 12 deletions
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21
common/crc32.c
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@ -18,17 +18,18 @@ static void crc32_byte(uint32_t *crc, const uint8_t value) {
}
}
void crc32_ex(const uint8_t *data, const size_t len, uint8_t *crc) {
uint32_t desfire_crc = CRC32_PRESET;
for (size_t i = 0; i < len; i++) {
crc32_byte(&desfire_crc, data[i]);
}
uint32_t crctmp = htole32(desfire_crc);
for (size_t i = 0; i < sizeof(uint32_t); i++) {
crc[i] = ((uint8_t *) &crctmp)[i];
void crc32_ex(const uint8_t *d, const size_t n, uint8_t *crc) {
uint32_t c = CRC32_PRESET;
for (size_t i = 0; i < n; i++) {
crc32_byte(&c, d[i]);
}
crc[0] = (uint8_t) c;
crc[1] = (uint8_t)(c >> 8);
crc[2] = (uint8_t)(c >> 16);
crc[3] = (uint8_t)(c >> 24);
}
void crc32_append(uint8_t *data, const size_t len) {
crc32_ex(data, len, data + len);
void crc32_append(uint8_t *d, const size_t n) {
crc32_ex(d, n, d + n);
}

4
common/crc32.h
View file

@ -11,7 +11,7 @@
#include "common.h"
void crc32_ex(const uint8_t *data, const size_t len, uint8_t *crc);
void crc32_append(uint8_t *data, const size_t len);
void crc32_ex(const uint8_t *d, const size_t n, uint8_t *crc);
void crc32_append(uint8_t *d, const size_t n);
#endif