c - 试图找出导致 sigsegv 故障的原因

Question

#include <stdio.h>
#include <stdlib.h>

int main(void) {


   long size = 10000000;

   long i = 0;

   while (i < size) {
    printf("%d\n", i);  
    i++;


}

   return EXIT_SUCCESS;
}

/*
++++++++++++++++++++++++++++++++++++++++++++++++++++++


but commenting out printf, i get no error - even traced in a debugger and jumping to   breaks after the while loop, i am able to get i reach the 10 billion mark.
just like below - 


++++++++++++++++++++++++++++++++++++++++++++++++++++++++
*/


#include <stdio.h>
#include <stdlib.h>

int main(void) {


long size = 10000000;

long i = 0;

while (i < size) {
    //printf("%d\n", i);    
    i++;


}

return EXIT_SUCCESS;
}

Answer 1

您对 long 使用了错误的说明符，这会调用未定义的行为。请改用 %ld。