43 lines
794 B
C
43 lines
794 B
C
|
/*
|
||
|
|
Copyright (C) 2016-2019 The University of Notre Dame
|
||
|
|
This software is distributed under the GNU General Public License.
|
||
|
|
See the file LICENSE for details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "library/syscalls.h"
|
||
|
|
#include "library/string.h"
|
||
|
|
#include "library/malloc.h"
|
||
|
|
|
||
|
|
int main(int argc, char *argv[])
|
||
|
|
{
|
||
|
|
printf("hello world, I am %d, and I have %d arguments!\n", syscall_process_self(), argc);
|
||
|
|
|
||
|
|
printf("They are: ");
|
||
|
|
|
||
|
|
int i;
|
||
|
|
for(i = 0; i < argc; ++i) {
|
||
|
|
printf("(%s) ", argv[i]);
|
||
|
|
}
|
||
|
|
printf("\n");
|
||
|
|
|
||
|
|
int n = 4096;
|
||
|
|
printf("adding up %d values...\n", n);
|
||
|
|
|
||
|
|
int *big = malloc(n * sizeof(int));
|
||
|
|
if(!big)
|
||
|
|
printf("malloc failed!\n");
|
||
|
|
|
||
|
|
for(i = 0; i < n; i++) {
|
||
|
|
big[i] = i;
|
||
|
|
}
|
||
|
|
int sum = 0;
|
||
|
|
for(i = 0; i < n; ++i) {
|
||
|
|
sum += big[i];
|
||
|
|
}
|
||
|
|
free(big);
|
||
|
|
|
||
|
|
printf("The sum of 0 to %d is %d\n", n, sum);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|