mirror of
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100 lines
4.1 KiB
C
100 lines
4.1 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/mount.h"
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#include "libc/dce.h"
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#include "libc/str/str.h"
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#include "libc/sysv/errfuns.h"
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int32_t sys_mount_linux(const char *source, const char *target,
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const char *filesystemtype, uint64_t mountflags,
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const void *data) asm("sys_mount");
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int32_t sys_mount_bsd(const char *type, const char *dir, int32_t flags,
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void *data) asm("sys_mount");
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/**
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* Mounts file system.
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*
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* The following flags may be specified:
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*
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* - `MS_RDONLY` (mount read-only)
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* - `MS_NOSUID` (don't honor S_ISUID bit)
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* - `MS_NODEV` (disallow special files)
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* - `MS_NOEXEC` (disallow program execution)
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* - `MS_SYNCHRONOUS` (writes are synced at once)
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* - `MS_NOATIME` (do not update access times)
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* - `MS_REMOUNT` (tune existing mounting)
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*
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* The following flags may also be used, but could be set to zero at
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* runtime if the underlying kernel doesn't support them.
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*
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* - `MNT_ASYNC` (xnu, freebsd, openbsd, netbsd)
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* - `MNT_RELOAD` (xnu, freebsd, openbsd, netbsd)
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* - `MS_STRICTATIME` (linux, xnu)
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* - `MS_RELATIME` (linux, netbsd)
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* - `MNT_SNAPSHOT` (xnu, freebsd)
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* - `MS_MANDLOCK` (linux)
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* - `MS_DIRSYNC` (linux)
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* - `MS_NODIRATIME` (linux)
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* - `MS_BIND` (linux)
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* - `MS_MOVE` (linux)
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* - `MS_REC` (linux)
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* - `MS_SILENT` (linux)
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* - `MS_POSIXACL` (linux)
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* - `MS_UNBINDABLE` (linux)
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* - `MS_PRIVATE` (linux)
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* - `MS_SLAVE` (linux)
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* - `MS_SHARED` (linux)
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* - `MS_KERNMOUNT` (linux)
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* - `MS_I_VERSION` (linux)
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* - `MS_LAZYTIME` (linux)
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* - `MS_ACTIVE` (linux)
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* - `MS_NOUSER` (linux)
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* - `MS_RMT`_MASK (linux)
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* - `MNT_SUIDDIR` (freebsd)
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* - `MNT_NOCLUSTERR` (freebsd)
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* - `MNT_NOCLUSTERW` (freebsd)
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*
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* Some example values for the `type` parameter:
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*
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* - `"nfs"`
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* - `"vfat"`
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* - `"tmpfs"`
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* - `"iso8601"`
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*
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*/
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int mount(const char *source, const char *target, const char *type,
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unsigned long flags, const void *data) {
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if (!IsWindows()) {
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if (!IsBsd()) {
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return sys_mount_linux(source, target, type, flags, data);
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} else {
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if (!strcmp(type, "iso9660")) type = "cd9660";
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if (!strcmp(type, "vfat")) {
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if (IsOpenbsd() || IsNetbsd()) {
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type = "msdos";
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} else {
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type = "msdosfs";
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}
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}
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return sys_mount_bsd(type, target, flags, data);
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}
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} else {
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return enosys();
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}
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}
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