File: enlarge.cc

package info (click to toggle)
c%2B%2B-annotations 8.2.0-1
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 11,804 kB
  • ctags: 2,845
  • sloc: cpp: 15,418; makefile: 2,473; ansic: 165; perl: 90; sh: 29
file content (19 lines) | stat: -rw-r--r-- 626 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
    #include <string>
    using namespace std;

    string *enlarge(string *old, unsigned oldsize, unsigned newsize)
    {
        string *tmp = new string[newsize];  // allocate larger array

        for (size_t idx = 0; idx != oldsize; ++idx)
            tmp[idx] = old[idx];            // copy old to tmp

        delete[] old;                       // delete the old array
        return tmp;                         // return new array
    }

    int main()
    {
        string *arr = new string[4];        // initially: array of 4 strings
        arr = enlarge(arr, 4, 6);           // enlarge arr to 6 elements.
    }