|
I see code like ...
C Interview Questions and Answers
(Continued from previous question...)
I see code like ...
Q: I see code like
char *p = malloc(strlen(s) + 1);
strcpy(p, s);
Shouldn't that be malloc((strlen(s) + 1) * sizeof(char))?
A:It's never necessary to multiply by sizeof(char), since sizeof(char) is, by definition, exactly 1. (On the other hand, multiplying by sizeof(char) doesn't hurt, and in some circumstances may help by introducing a size_t into the expression;
(Continued on next question...)
Other Interview Questions
| 