nsAutoString sb(buf);
nsAutoString sb; sb.AssignWithConversion(buf);
int main(int argc, char** argv){  FILE* fp = fopen("words.txt", "r");  if (nsnull == fp) {    printf("can't open words.txt\n");    return -1;  }  PRInt32 count = 0;  PRUnichar** strings = new PRUnichar*[60000];  nsIAtom** ids = new nsIAtom*[60000];  nsAutoString s1, s2;  PRTime start = PR_Now();  PRInt32 i;  for (i = 0; i < 60000; i++) {    char buf[1000];    char* s = fgets(buf, sizeof(buf), fp);    if (nsnull == s) {      break;    }    nsAutoString sb(buf);    strings[count++] = sb.ToNewUnicode();    sb.ToUpperCase();    strings[count++] = sb.ToNewUnicode();  }  PRTime end0 = PR_Now();  // Find and create idents  for (i = 0; i < count; i++) {    ids[i] = NS_NewAtom(strings[i]);  }  PRUnichar qqs[1]; qqs[0] = 0;  nsIAtom* qq = NS_NewAtom(qqs);  PRTime end1 = PR_Now();  // Now make sure we can find all the idents we just made  for (i = 0; i < count; i++) {    const PRUnichar *unicodeString;    ids[i]->GetUnicode(&unicodeString);    nsIAtom* id = NS_NewAtom(unicodeString);    if (id != ids[i]) {      id->ToString(s1);      ids[i]->ToString(s2);      printf("find failed: id='%s' ids[%d]='%s'\n",             s1.ToNewCString(), i, s2.ToNewCString());      return -1;    }    NS_RELEASE(id);  }  PRTime end2 = PR_Now();  // Destroy all the atoms we just made  NS_RELEASE(qq);  for (i = 0; i < count; i++) {    NS_RELEASE(ids[i]);  }  // Print out timings  PRTime end3 = PR_Now();  PRTime creates, finds, lookups, dtor, ustoms;  LL_I2L(ustoms, 1000);  LL_SUB(creates, end0, start);  LL_DIV(creates, creates, ustoms);  LL_SUB(finds, end1, end0);  LL_DIV(finds, finds, ustoms);  LL_SUB(lookups, end2, end1);  LL_DIV(lookups, lookups, ustoms);  LL_SUB(dtor, end3, end2);  char buf[500];  PR_snprintf(buf, sizeof(buf), "making %d ident strings took %lldms",              count, creates);  puts(buf);  PR_snprintf(buf, sizeof(buf), "%d new idents took %lldms",              count, finds);  puts(buf);  PR_snprintf(buf, sizeof(buf), "%d ident lookups took %lldms",              count, lookups);  puts(buf);  PR_snprintf(buf, sizeof(buf), "dtor took %lldusec", dtor);  puts(buf);  printf("%d live atoms\n", NS_GetNumberOfAtoms());  NS_POSTCONDITION(0 == NS_GetNumberOfAtoms(), "dangling atoms");  return 0;}