git: 9front

ref: 4acf15a832d6516f25e01b7a6301f51754405924
dir: /sys/src/cmd/unix/drawterm/libc/sysfatal.c/

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#include <u.h>
#include <libc.h>

static void
_sysfatalimpl(char *fmt, va_list arg)
{
	char buf[1024];

	vseprint(buf, buf+sizeof(buf), fmt, arg);
	if(argv0)
		fprint(2, "%s: %s\n", argv0, buf);
	else
		fprint(2, "%s\n", buf);
#undef write
write(2, buf, strlen(buf));
write(2, "\n", 1);
	panic("sysfatal");
}

void (*_sysfatal)(char *fmt, va_list arg) = _sysfatalimpl;

void
sysfatal(char *fmt, ...)
{
	va_list arg;

	va_start(arg, fmt);
	(*_sysfatal)(fmt, arg);
	va_end(arg);
}