Ubuntu-gr Forum

char *s_getany( int chunklen )
    {
       int i = 0;                  /* char counter     */
       char *s = NULL, *try = NULL;

       /* sanity checks */
       if ( chunklen < 1 || NULL == (s = calloc( chunklen+1, sizeof(char)) ) )
          return NULL;

       for (i=0; EOF != (s[i] = getchar()) && s[i] != '\n'; i++)
       {
          if ( i != 0 && i % chunklen == 0 )      /* needs realloc     */
          {
             try = realloc(s, (i+chunklen+1) * sizeof(char) );
             if ( !try ) {            /* realloc failed    */
                free(s);
                s = NULL;
                return NULL;
             }
             s = try;            /* accept realloc   */
          }
       }
       s[i] = '\0';

       if ( NULL == (try = realloc(s, (i+1) * sizeof(char) )) )
          return NULL;

       return try;
    }