Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/src/libc/9sys/sysfatal.c

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


#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);
	exits(buf);
}

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);
}

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