Line 13: Line 13:
  
 
  Invalid memory access
 
  Invalid memory access
 +
 +
int *a; // This declares a as an integer pointer, meaning a can point to a memory address which contains an int
 +
*a = 5; //Makes the content of the address pointed to by a 5. But a is not pointing to any valid address (int *a assigns garbage value to a) and hence this assignment can cause segmentation fault
 
<disqus/>
 
<disqus/>
  
 
[[Category:Coding Questions]]
 
[[Category:Coding Questions]]

Revision as of 07:37, 8 December 2013

<syntaxhighlight lang="c">

  1. include<stdio.h>

int main() {

int *a;
*a=5;
printf("%d",a);
return 0;

}

</syntaxhighlight>

Invalid memory access

int *a; // This declares a as an integer pointer, meaning a can point to a memory address which contains an int

  • a = 5; //Makes the content of the address pointed to by a 5. But a is not pointing to any valid address (int *a assigns garbage value to a) and hence this assignment can cause segmentation fault
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<syntaxhighlight lang="c">

  1. include<stdio.h>

int main() {

int *a;
*a=5;
printf("%d",a);
return 0;

}

</syntaxhighlight>

Invalid memory access
blog comments powered by Disqus