Posted to tcl by GPS at Sun Sep 16 10:12:58 GMT 2007view raw
- #include <stdio.h>
- #include <stdlib.h>
- #include <inttypes.h>
- int main () {
- uint64_t targetvalue = 0x00adbeeffeedfaceULL;
- uint8_t parts[7] = {0xad, 0xbe, 0xef, 0xfe, 0xed, 0xfa, 0xce};
- uint8_t outparts[7];
- uint64_t acc = 0;
- int i;
- acc += parts[6];
- acc += 0x100 * parts[5];
- acc += 0x10000 * parts[4];
- acc += 0x1000000ULL * parts[3];
- acc += 0x100000000ULL * parts[2];
- acc += 0x10000000000ULL * parts[1];
- acc += 0x1000000000000ULL * parts[0];
- printf ("%llx\n", acc);
- outparts[0] = acc / 0x1000000000000ULL;
- outparts[1] = acc / 0x10000000000ULL;
- outparts[2] = acc / 0x100000000ULL;
- outparts[3] = acc / 0x1000000ULL;
- outparts[4] = acc / 0x10000ULL;
- outparts[5] = acc / 0x100ULL;
- outparts[6] = acc & 0xff;
- for (i = 0; i < 7; ++i) {
- printf ("outparts[%d] = %x\n", i, outparts[i]);
- }
- return EXIT_SUCCESS;
- }