36 lines
926 B
C
36 lines
926 B
C
#include <stdint.h>
|
|
#include <stdio.h>
|
|
|
|
uint32_t hash(uint8_t *input) {
|
|
uint16_t x = 0x1234;
|
|
uint16_t y = 0xabcd;
|
|
uint16_t a = 0x2443;
|
|
uint16_t b = 0x118d;
|
|
uint8_t c;
|
|
uint16_t cc;
|
|
|
|
while (c = *input) {
|
|
cc = (c << 8) | c;
|
|
x = (x * a) + cc;
|
|
y = (y * b) + cc;
|
|
input++;
|
|
}
|
|
|
|
return (x << 16) | y;
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
printf("data1a %08x\n", hash("abc"));
|
|
printf("data1b %08x\n", hash("ebc"));
|
|
printf("\n");
|
|
printf("data2a %08x\n", hash("wigjewigjewigjewigjewigjewigjcncmnbegejgiwejgieg"));
|
|
printf("data2b %08x\n", hash("wigjewigjewigjewigjewigjewigjcmcmnbegejgiwejgieg"));
|
|
printf("\n");
|
|
printf("data3a %08x\n", hash("zzjiewgew"));
|
|
printf("data3b %08x\n", hash("zzjiewge"));
|
|
printf("\n");
|
|
printf("data4a %08x\n", hash("this is a test"));
|
|
printf("data4b %08x\n", hash("this is a test."));
|
|
return 0;
|
|
}
|