Question for strcpy and pointer

  • Thread starter Thread starter Linda8888
  • Start date Start date
AI Thread Summary
To ensure the strcpy function succeeds, the first line of the code must allocate stack memory for s1. A suitable modification would be to declare s1 as a character array, such as `char s1[100];`, which provides sufficient space for the string being copied. This change allows strcpy to copy the contents of s2 into s1 without encountering memory issues. It is crucial to remember that s1 must be large enough to hold the string from s2, including the null terminator. Proper memory management is essential to avoid stack overflow or undefined behavior.
Linda8888
Messages
7
Reaction score
1
Summary:: Question: In the blank space below, write a new version of the first line of this code segment such that the strcpy succeeds. Use only stack memory and try not to waste memory.

how can I change the first line of the code?

Code:
char *s1;       // change this line
char *s2 = "good luck";
strcpy(s1, s2); // I must succeed
 
Physics news on Phys.org

Similar threads

Replies
2
Views
2K
Replies
21
Views
4K
Replies
24
Views
3K
Replies
14
Views
5K
Replies
7
Views
2K
Replies
4
Views
5K
Replies
3
Views
2K
Back
Top