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Debugging mit GDB
Für Debugging kompilieren
debug.c
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
void gen_factors(int* factors, int len) {
int a = 0;
int b = 1;
for(int i = 0; i < len; i++) {
factors[i] = b;
int c = a + b;
a = b;
b = c;
}
}
int fun1(int x, int y) {
return x % y;
}
int fun2(int n, int* factors, int factors_len) {
int sum = 0;
for(int i = 0; i <= n; i++) {
sum += factors[i % factors_len] * i;
}
return sum;
}
int main(int argc, char** argv) {
int* factors = malloc(sizeof(*factors) * 8);
gen_factors(factors, 8);
int n = (argc == 0) ? 0 : (argc - 1);
int len = strlen(argv[n]);
int magic_number = 42;
int answer = fun1(len, magic_number);
printf("The answer is: %i\n", answer);
int m = answer * len;
int result = fun2(m, factors, 8);
printf("The result is: %i\n", result);
free(factors);
return 0;
}
