mirror of https://github.com/vasi/pixz
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
72 lines
1.3 KiB
C
72 lines
1.3 KiB
C
#ifdef __APPLE__
|
|
|
|
#include <libkern/OSByteOrder.h>
|
|
|
|
uint64_t xle64dec(const uint8_t *d) {
|
|
return OSReadLittleInt64(d, 0);
|
|
}
|
|
|
|
void xle64enc(uint8_t *d, uint64_t n) {
|
|
OSWriteLittleInt64(d, 0, n);
|
|
}
|
|
|
|
#elif defined(__linux__) || defined(__FreeBSD__) || defined(__midipix__)
|
|
|
|
#include "config.h"
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#if defined(__linux__) || defined(__midipix__)
|
|
#include <endian.h>
|
|
#include <byteswap.h>
|
|
#else
|
|
#include <sys/endian.h>
|
|
#endif
|
|
|
|
#if !HAVE_DECL_HTOLE64
|
|
# if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
# define htole64(x) (x)
|
|
# else
|
|
# define htole64(x) bswap_64 (x)
|
|
# endif
|
|
#endif
|
|
|
|
#if !HAVE_DECL_LE64TOH
|
|
# if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
# define le64toh(x) (x)
|
|
# else
|
|
# define le64toh(x) bswap_64 (x)
|
|
# endif
|
|
#endif
|
|
|
|
uint64_t xle64dec(const uint8_t *d) {
|
|
uint64_t tmp;
|
|
memcpy(&tmp, d, sizeof(tmp));
|
|
return le64toh(tmp);
|
|
}
|
|
|
|
void xle64enc(uint8_t *d, uint64_t n) {
|
|
uint64_t tmp = htole64(n);
|
|
memcpy(d, &tmp, sizeof(tmp));
|
|
}
|
|
|
|
#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
|