ref: 38ea1ac105f4484f02bba3bfbc790ebe4f18f016
dir: /sys/src/cmd/auth/lib/error.c/
#include <u.h> #include <libc.h> #include <bio.h> #include <authsrv.h> #include "authcmdlib.h" void error(char *fmt, ...) { char buf[8192], *s; va_list arg; s = buf; s += sprint(s, "%s: ", argv0); va_start(arg, fmt); s = vseprint(s, buf + sizeof(buf), fmt, arg); va_end(arg); *s++ = '\n'; write(2, buf, s - buf); exits(buf); }