49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
/* $Id: test-attribute.c,v 1.1 2020/06/22 20:00:38 schwarze Exp $ */
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/*
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* Copyright (c) 2020 Ingo Schwarze <schwarze@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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void var_arg(const char *, ...)
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__attribute__((__format__ (__printf__, 1, 2)));
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void no_ret(int)
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__attribute__((__noreturn__));
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void
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var_arg(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vprintf(fmt, ap);
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va_end(ap);
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}
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void
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no_ret(int i)
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{
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exit(i);
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}
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int
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main(void)
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{
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var_arg("Test output: %d\n", 42);
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no_ret(0);
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}
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