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decioctl.c
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Editing: decioctl.c
/*- * Copyright (c) 2005-2006,2016 John H. Baldwin <jhb@FreeBSD.org> * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/ioccom.h> #include <ctype.h> #include <errno.h> #include <limits.h> #include <stdio.h> #include <stdlib.h> #include <sysdecode.h> static void usage(char **av) { fprintf(stderr, "%s: <ioctl> [ ... ]\n", av[0]); exit(1); } int main(int ac, char **av) { unsigned long cmd; const char *name; char *cp; int group, i; if (ac < 2) usage(av); printf(" command : dir group num len name\n"); for (i = 1; i < ac; i++) { errno = 0; cmd = strtoul(av[i], &cp, 0); if (*cp != '\0' || errno != 0) { fprintf(stderr, "Invalid integer: %s\n", av[i]); usage(av); } printf("0x%08lx: ", cmd); switch (cmd & IOC_DIRMASK) { case IOC_VOID: printf("VOID "); break; case IOC_OUT: printf("OUT "); break; case IOC_IN: printf("IN "); break; case IOC_INOUT: printf("INOUT"); break; default: printf("%01lx ???", (cmd & IOC_DIRMASK) >> 29); break; } printf(" "); group = IOCGROUP(cmd); if (isprint(group)) printf(" '%c' ", group); else printf(" 0x%02x", group); printf(" %3lu %4lu", cmd & 0xff, IOCPARM_LEN(cmd)); name = sysdecode_ioctlname(cmd); if (name != NULL) printf(" %s", name); printf("\n"); } return (0); }
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