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#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/bits.h>
static const uint8_t input[] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 };
static const uint8_t exp_out[] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
int main(int argc, char **argv)
{
uint8_t out[ARRAY_SIZE(input)];
unsigned int offs;
for (offs = 0; offs < sizeof(out); offs++) {
uint8_t *start = out + offs;
uint8_t len = sizeof(out) - offs;
memcpy(out, input, sizeof(out));
printf("INORDER: %s\n", osmo_hexdump(start, len));
osmo_revbytebits_buf(start, len);
printf("REVERSED: %s\n", osmo_hexdump(start, len));
if (memcmp(start, exp_out + offs, len)) {
printf("EXPECTED: %s\n", osmo_hexdump(exp_out+offs, len));
fprintf(stderr, "REVERSED != EXPECTED!\n");
exit(1);
}
printf("\n");
}
return 0;
}
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