Page History

enum { MAX_ALLOCATION = 1000 };

int main(int argc, const char *argv[]) {
  char *str = NULL;
  size_t len;

  if (argc == 2) {
    len = strlen(argv[1])+1;
    if (len > MAX_ALLOCATION) {
      /* Handle error */
    }
    str = (char *)malloc(len);
    if (str == NULL) {
      /* Handle allocation error */
    }
    strcpy(str, argv[1]);
  }
  else {
    str = "usage: $>a.exe [string]";
    printf("%s\n", str);
  }
  /* ... */
  free(str);
  return 0;
}