41 lines
769 B
C
41 lines
769 B
C
/*
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* Copyright (c) 2015-2018 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "tests.h"
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#include <asm/unistd.h>
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#ifdef __NR_truncate
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# include <stdio.h>
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# include <unistd.h>
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int
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main(void)
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{
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static const char fname[] = "truncate\nfilename";
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static const char qname[] = "truncate\\nfilename";
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const kernel_ulong_t len = (kernel_ulong_t) 0xdefaced0badc0deULL;
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long rc;
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if (sizeof(len) > sizeof(long))
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rc = truncate(fname, len);
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else
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rc = syscall(__NR_truncate, fname, len);
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printf("truncate(\"%s\", %llu) = %ld %s (%m)\n",
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qname, (unsigned long long) len, rc, errno2name());
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_truncate")
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#endif
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