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