1 /* 2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao (at) gmail.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include "defs.h" 29 #ifdef HAVE_USTAT_H 30 # include DEF_MPERS_TYPE(struct_ustat) 31 # include <ustat.h> 32 typedef struct ustat struct_ustat; 33 #endif /* HAVE_USTAT_H */ 34 35 #include MPERS_DEFS 36 37 SYS_FUNC(ustat) 38 { 39 if (entering(tcp)) 40 print_dev_t((unsigned int) tcp->u_arg[0]); 41 else { 42 tprints(", "); 43 #ifdef HAVE_USTAT_H 44 struct_ustat ust; 45 46 if (!umove_or_printaddr(tcp, tcp->u_arg[1], &ust)) 47 tprintf("{f_tfree=%llu, f_tinode=%llu}", 48 zero_extend_signed_to_ull(ust.f_tfree), 49 zero_extend_signed_to_ull(ust.f_tinode)); 50 #else /* !HAVE_USTAT_H */ 51 printaddr(tcp->u_arg[1]); 52 #endif /* HAVE_USTAT_H */ 53 } 54 55 return 0; 56 } 57
