| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/Linux/include/linux/ (Open Source Betriebssystem Version 6.17.9©) Datei vom 24.10.2025 mit Größe 1 kB |
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Quelle mtio.h Sprache: C |
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_MTIO_COMPAT_H #define _LINUX_MTIO_COMPAT_H #include <linux/compat.h> #include <uapi/linux/mtio.h> #include <linux/uaccess.h> /* * helper functions for implementing compat ioctls on the four tape * drivers: we define the 32-bit layout of each incompatible structure, * plus a wrapper function to copy it to user space in either format. */ struct mtget32 { s32 mt_type; s32 mt_resid; s32 mt_dsreg; s32 mt_gstat; s32 mt_erreg; s32 mt_fileno; s32 mt_blkno; }; #define MTIOCGET32 _IOR('m', 2, struct mtget32) struct mtpos32 { s32 mt_blkno; }; #define MTIOCPOS32 _IOR('m', 3, struct mtpos32) static inline int put_user_mtget(void __user *u, struct mtget *k) { struct mtget32 k32 = { .mt_type = k->mt_type, .mt_resid = k->mt_resid, .mt_dsreg = k->mt_dsreg, .mt_gstat = k->mt_gstat, .mt_erreg = k->mt_erreg, .mt_fileno = k->mt_fileno, .mt_blkno = k->mt_blkno, }; int ret; if (in_compat_syscall()) ret = copy_to_user(u, &k32, sizeof(k32)); else ret = copy_to_user(u, k, sizeof(*k)); return ret ? -EFAULT : 0; } static inline int put_user_mtpos(void __user *u, struct mtpos *k) { if (in_compat_syscall()) return put_user(k->mt_blkno, (u32 __user *)u); else return put_user(k->mt_blkno, (long __user *)u); } #endif ¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
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2026-03-28