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Platform independent endian support

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This commit is contained in:
Dave Vasilevsky 2012-10-13 06:55:12 -04:00
parent e9ba952c22
commit b47e687a55
1 changed files with 18 additions and 0 deletions
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18
endian.c
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@ -25,5 +25,23 @@ void xle64enc(uint8_t *d, uint64_t n) {
*(uint64_t*)d = __cpu_to_le64(n);
}
#else
// Platform independent
#include <stdint.h>
uint64_t xle64dec(const uint8_t *d) {
uint64_t r = 0;
for (const uint8_t *p = d + sizeof(r) - 1; p >= d; --p)
r = (r << 8) + *p;
return r;
}
void xle64enc(uint8_t *d, uint64_t n) {
for (uint8_t *p = d; p < d + sizeof(n); ++p) {
*p = n & 0xff;
n >>= 8;
}
}
#endif