/* * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include <sys/syscall.h> #ifdef __NR_truncate #include <errno.h> #include <stdio.h> #include <unistd.h> #include "kernel_types.h" int main(void) { static const char fname[] = "truncate\nfilename"; static const char qname[] = "truncate\\nfilename"; const kernel_ulong_t len = (kernel_ulong_t) 0xdefaced0badc0deULL; int rc; if (sizeof(len) > sizeof(long)) rc = truncate(fname, len); else rc = syscall(__NR_truncate, fname, len); if (rc != -1 || ENOENT != errno) return 77; printf("truncate(\"%s\", %llu) = -1 ENOENT (No such file or directory)\n", qname, (unsigned long long) len); puts("+++ exited with 0 +++"); return 0; } #else int main(void) { return 77; } #endif