/* See LICENSE file for copyright and license details. */#include<stdarg.h>#include<stdio.h>#include<stdlib.h>#include<string.h>#include"util.h"voiddie(constchar*fmt,...){va_listap;va_start(ap,fmt);vfprintf(stderr,fmt,ap);va_end(ap);if(fmt[0]&&fmt[strlen(fmt)-1]==':'){fputc(' ',stderr);perror(NULL);}exit(1);}