Photolog
2010-10-12: Through the Looking-Glass
2010-10-10: My radio speaks is binary!
2010-09-16: Gigaminx: (present for my birthday)
2010-09-05: Trini on bike
2010-08-28: Valporquero
2010-08-22: My new bike!
2010-08-13: Mario and Ana's wedding
2010-08-07: Canyoning in Guara
2010-08-05: Trini and Mari in Marbella
2010-08-03: Trini and Chelo in Tabarca
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Software CRC
128.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define DIVISOR 34943
int main(void)
{
unsigned char buf[1500];
int len;
int i;
unsigned int quot;
while(fgets((char *)buf, 1024, stdin)) {
quot = 0;
if (buf[0]=='#') {
break;
}
len = strlen((char *)buf);
buf[len-1]=0;
buf[len++]=0;
if (len%2) {
memmove(buf+1, buf, len);
buf[0]=0;
len++;
}
for(i=0; i<len; i+=2) {
quot *= (unsigned)65536;
quot += (unsigned)256*buf[i] + buf[i+1];
quot %= DIVISOR;
}
if (quot) {
quot = DIVISOR-quot;
}
printf("%02X %02X\n", quot/256, quot%256);
}
exit(0);
}