1 #include <u.h> 2 #include <libc.h> 3 #include <bio.h> 4 #include "authcmdlib.h" 5 6 void 7 error(char *fmt, ...) 8 { 9 char buf[8192], *s; 10 va_list arg; 11 12 s = buf; 13 s += snprint(s, sizeof buf, "%s: ", argv0); 14 va_start(arg, fmt); 15 s = vseprint(s, buf + sizeof(buf), fmt, arg); 16 va_end(arg); 17 *s++ = '\n'; 18 write(2, buf, s - buf); 19 exits(buf); 20 } 21