int main()
{
clock_t t;
int f;
t = clock();
printf("Calculating...\n");
f = frequency_of_primes (9999);
printf("The number of primes lower than 100,000 is : %d\n", f);
t = clock() - t;
printf("It took me %d clicks (%f seconds).\n", t, ((float)t)/CLOCKS_PER_SEC);
return 0;
}
int main(void)
{
fprintf(stdout, "clocks_per_sec=%lu\n", CLOCKS_PER_SEC);
clock_t t;
int f;
t = clock();
printf ("Calculating...\n");
f = frequency_of_primes (999);
printf ("The number of primes lower than 100,000 is: %d\n",f);
t = clock() - t;
printf ("It took me %lu clicks (%f seconds).\n", (long int)t,((float)t)/CLOCKS_PER_SEC);
/*
t = clock();
timedWait(3,0);
t = clock() - t;
printf("hello: %.2f",((float)t)/CLOCKS_PER_SEC);
*/
/*
// Nanosleep
struct timespec timeOut,remains;
timeOut.tv_sec = 4;
timeOut.tv_nsec = 10000;
t = clock();
int a;
for(a=0; a<4; a++){
fprintf(stdout, "Hello %d\n", a);
fprintf(stdout, "before: %lu\n", (long int)clock());
nanosleep(&timeOut, &remains);
fprintf(stdout, "after: %lu\n", (long int)clock());
}
t = clock() - t;
fprintf(stdout, "For loop took %lu clicks (%f seconds).\n",(long int)t,((float)t)/CLOCKS_PER_SEC);
*/
FILE * test;
long lSize;
char * buffer;
size_t result;
test = fopen("/sys/bus/i2c/devices/0-0054/eeprom", "rb");
if(test == NULL){
fprintf(stderr, "Failed to open file\n");
exit(-1);
}
fseek(test, 0, SEEK_END);
lSize = ftell(test);
rewind(test);
fprintf(stdout, "Filesize: %lu\n", lSize);
buffer = (char*) malloc(sizeof(char)*lSize);
//char serial[] = {'C','A','F','E','B','A','B','E'};
//fwrite(serial, sizeof(char), lSize, test);
//fwrite(serial, sizeof(char), sizeof(serial), test);
//rewind(test);
if(buffer == NULL){
fprintf(stderr, "Memory error\n");
exit(-1);
}
result = fread(buffer, 1, lSize, test);
/*
if(result != lSize){
fprintf(stderr, "something went wrong reading\n");
exit(-1);
}
*/
fprintf(stdout, "%s\n", buffer);
fclose(test);
return 0;
}
