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Polyfill statfs() and fstatfs() on BSD distros

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This commit is contained in:
Justine Tunney 2022-08-17 13:41:21 -07:00
parent e3fe127ccd
commit f7ee9d7d99
42 changed files with 968 additions and 287 deletions
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2
libc/calls/calls.mk
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@ -118,6 +118,8 @@ o/$(MODE)/libc/calls/ntcontext2linux.o: private \
o/$(MODE)/libc/calls/execl.o \
o/$(MODE)/libc/calls/execle.o \
o/$(MODE)/libc/calls/execlp.o \
o/$(MODE)/libc/calls/statfs.o \
o/$(MODE)/libc/calls/fstatfs.o \
o/$(MODE)/libc/calls/execve-sysv.o \
o/$(MODE)/libc/calls/execve-nt.greg.o \
o/$(MODE)/libc/calls/mkntenvblock.o: private \

37
libc/calls/fstatfs.c Normal file
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@ -0,0 +1,37 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/calls/strace.internal.h"
#include "libc/calls/struct/statfs-meta.internal.h"
#include "libc/calls/struct/statfs.internal.h"
#include "libc/runtime/stack.h"
/**
* Returns information about filesystem.
*/
int fstatfs(int fd, struct statfs *sf) {
int rc;
union statfs_meta m;
CheckLargeStackAllocation(&m, sizeof(m));
if ((rc = sys_fstatfs(fd, &m)) != -1) {
statfs2cosmo(sf, &m);
}
STRACE("fstatfs(%d, [%s]) → %d% m", fd, DescribeStatfs(rc, sf));
return rc;
}

37
libc/calls/statfs.c Normal file
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@ -0,0 +1,37 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/calls/strace.internal.h"
#include "libc/calls/struct/statfs-meta.internal.h"
#include "libc/calls/struct/statfs.internal.h"
#include "libc/runtime/stack.h"
/**
* Returns information about filesystem.
*/
int statfs(const char *path, struct statfs *sf) {
int rc;
union statfs_meta m;
CheckLargeStackAllocation(&m, sizeof(m));
if ((rc = sys_statfs(path, &m)) != -1) {
statfs2cosmo(sf, &m);
}
STRACE("statfs(%#s, [%s]) → %d% m", path, DescribeStatfs(rc, sf));
return rc;
}

299
libc/calls/statfs2cosmo.c Normal file
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@ -0,0 +1,299 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/struct/statfs-meta.internal.h"
#include "libc/dce.h"
#include "libc/str/str.h"
static const char *DescribeStatfsTypeLinux(int64_t x) {
switch (x) {
case 0xadf5:
return "adfs";
case 0xadff:
return "affs";
case 0x0187:
return "autofs";
case 0x1373:
return "devfs";
case 0x1cd1:
return "devpts";
case 0xf15f:
return "ecryptfs";
case 0x137d:
return "ext1";
case 0xef51:
return "ext2_old";
case 0xef53:
return "ext"; // ext2, ext3, ext4
case 0x4244:
return "hfs";
case 0x9660:
return "isofs";
case 0x72b6:
return "jffs2";
case 0x137f:
return "minix";
case 0x138f:
return "minix2";
case 0x2468:
return "minix2";
case 0x2478:
return "minix22";
case 0x4d5a:
return "minix3";
case 0x4d44:
return "msdos";
case 0x564c:
return "ncp";
case 0x6969:
return "nfs";
case 0x3434:
return "nilfs";
case 0x9fa1:
return "openprom";
case 0x9fa0:
return "proc";
case 0x002f:
return "qnx4";
case 0x7275:
return "romfs";
case 0x517b:
return "smb";
case 0x9fa2:
return "usbdevice";
case 0x27e0eb:
return "cgroup";
case 0xbad1dea:
return "futexfs";
case 0x5346414f:
return "afs";
case 0x09041934:
return "anon_inode_fs";
case 0x62646576:
return "bdevfs";
case 0x42465331:
return "befs";
case 0x1badface:
return "bfs";
case 0x42494e4d:
return "binfmtfs";
case 0xcafe4a11:
return "bpf_fs";
case 0x9123683e:
return "btrfs";
case 0x73727279:
return "btrfs_test";
case 0x63677270:
return "cgroup2";
case 0xff534d42:
return "cifs_number";
case 0x73757245:
return "coda";
case 0x012ff7b7:
return "coh";
case 0x28cd3d45:
return "cramfs";
case 0x64626720:
return "debugfs";
case 0xde5e81e4:
return "efivarfs";
case 0x00414a53:
return "efs";
case 0xf2f52010:
return "f2fs";
case 0x65735546:
return "fuse";
case 0x00c0ffee:
return "hostfs";
case 0xf995e849:
return "hpfs";
case 0x958458f6:
return "hugetlbfs";
case 0x3153464a:
return "jfs";
case 0x19800202:
return "mqueue";
case 0x11307854:
return "mtd_inode_fs";
case 0x6e736673:
return "nsfs";
case 0x5346544e:
return "ntfs_sb";
case 0x7461636f:
return "ocfs2";
case 0x794c7630:
return "overlayfs";
case 0x50495045:
return "pipefs";
case 0x6165676c:
return "pstorefs";
case 0x68191122:
return "qnx6";
case 0x858458f6:
return "ramfs";
case 0x52654973:
return "reiserfs";
case 0x73636673:
return "securityfs";
case 0xf97cff8c:
return "selinux";
case 0x43415d53:
return "smack";
case 0x534f434b:
return "sockfs";
case 0x73717368:
return "squashfs";
case 0x62656572:
return "sysfs";
case 0x012ff7b6:
return "sysv2";
case 0x012ff7b5:
return "sysv4";
case 0x01021994:
return "tmpfs";
case 0x74726163:
return "tracefs";
case 0x15013346:
return "udf";
case 0x00011954:
return "ufs";
case 0x01021997:
return "v9fs";
case 0xa501fcf5:
return "vxfs";
case 0xabba1974:
return "xenfs";
case 0x012ff7b4:
return "xenix";
case 0x58465342:
return "xfs";
case 0x012fd16d:
return "_xiafs";
default:
return "unknown";
}
}
void statfs2cosmo(struct statfs *f, const union statfs_meta *m) {
int64_t f_type;
int64_t f_bsize;
int64_t f_blocks;
int64_t f_bfree;
int64_t f_bavail;
int64_t f_files;
int64_t f_ffree;
int64_t f_fsid;
int64_t f_namelen;
int64_t f_frsize;
int64_t f_flags;
int32_t f_owner;
char f_fstypename[16];
if (IsLinux()) {
f_type = m->linux.f_type;
f_bsize = m->linux.f_bsize;
f_blocks = m->linux.f_blocks;
f_bfree = m->linux.f_bfree;
f_bavail = m->linux.f_bavail;
f_files = m->linux.f_files;
f_ffree = m->linux.f_ffree;
f_fsid = m->linux.f_fsid;
f_namelen = m->linux.f_namelen;
f_frsize = m->linux.f_frsize;
f_flags = m->linux.f_flags;
f_owner = 0;
strcpy(f_fstypename, DescribeStatfsTypeLinux(m->linux.f_type));
} else if (IsFreebsd()) {
f_type = m->freebsd.f_type;
f_bsize = m->freebsd.f_bsize;
f_blocks = m->freebsd.f_blocks;
f_bfree = m->freebsd.f_bfree;
f_bavail = m->freebsd.f_bavail;
f_files = m->freebsd.f_files;
f_ffree = m->freebsd.f_ffree;
f_fsid = m->freebsd.f_fsid;
f_namelen = m->freebsd.f_namemax;
f_frsize = m->freebsd.f_bsize;
f_flags = m->freebsd.f_flags;
f_owner = m->freebsd.f_owner;
strcpy(f_fstypename, m->freebsd.f_fstypename);
} else if (IsXnu()) {
f_type = m->xnu.f_type;
f_bsize = m->xnu.f_bsize;
f_blocks = m->xnu.f_blocks;
f_bfree = m->xnu.f_bfree;
f_bavail = m->xnu.f_bavail;
f_files = m->xnu.f_files;
f_ffree = m->xnu.f_ffree;
f_fsid = m->xnu.f_fsid;
f_namelen = 4096;
f_frsize = m->xnu.f_bsize;
f_flags = m->xnu.f_flags;
f_owner = m->xnu.f_owner;
strcpy(f_fstypename, m->xnu.f_fstypename);
} else if (IsOpenbsd()) {
f_type = f->f_type;
f_bsize = m->openbsd.f_bsize;
f_blocks = m->openbsd.f_blocks;
f_bfree = m->openbsd.f_bfree;
f_bavail = m->openbsd.f_bavail;
f_files = m->openbsd.f_files;
f_ffree = m->openbsd.f_ffree;
f_fsid = m->openbsd.f_fsid;
f_namelen = m->openbsd.f_namemax;
f_frsize = m->openbsd.f_bsize;
f_flags = m->openbsd.f_flags;
f_owner = m->openbsd.f_owner;
strcpy(f_fstypename, m->openbsd.f_fstypename);
} else if (IsNetbsd()) {
f_type = m->netbsd.f_type;
f_bsize = m->netbsd.f_bsize;
f_blocks = m->netbsd.f_blocks;
f_bfree = m->netbsd.f_bfree;
f_bavail = m->netbsd.f_bavail;
f_files = m->netbsd.f_files;
f_ffree = m->netbsd.f_ffree;
f_fsid = m->netbsd.f_fsid;
f_namelen = f->f_namelen;
f_frsize = m->netbsd.f_bsize;
f_flags = m->netbsd.f_flags;
f_owner = m->netbsd.f_owner;
strcpy(f_fstypename, m->netbsd.f_fstypename);
} else {
asm("hlt");
unreachable;
}
f->f_type = f_type;
f->f_bsize = f_bsize;
f->f_blocks = f_blocks;
f->f_bfree = f_bfree;
f->f_bavail = f_bavail;
f->f_files = f_files;
f->f_ffree = f_ffree;
f->f_fsid = f_fsid;
f->f_namelen = f_namelen;
f->f_frsize = f_frsize;
f->f_flags = f_flags;
strcpy(f->f_fstypename, f_fstypename);
}

33
libc/calls/struct/statfs-freebsd.internal.h Normal file
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#ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_FREEBSD_INTERNAL_H_
#define COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_FREEBSD_INTERNAL_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
struct statfs_freebsd {
uint32_t f_version; /* structure version number */
uint32_t f_type; /* type of filesystem */
uint64_t f_flags; /* copy of mount exported flags */
uint64_t f_bsize; /* filesystem fragment size */
uint64_t f_iosize; /* optimal transfer block size */
uint64_t f_blocks; /* total data blocks in filesystem */
uint64_t f_bfree; /* free blocks in filesystem */
int64_t f_bavail; /* free blocks avail to non-superuser */
uint64_t f_files; /* total file nodes in filesystem */
int64_t f_ffree; /* free nodes avail to non-superuser */
uint64_t f_syncwrites; /* count of sync writes since mount */
uint64_t f_asyncwrites; /* count of async writes since mount */
uint64_t f_syncreads; /* count of sync reads since mount */
uint64_t f_asyncreads; /* count of async reads since mount */
uint64_t f_spare[10]; /* unused spare */
uint32_t f_namemax; /* maximum filename length */
uint32_t f_owner; /* user that mounted the filesystem */
uint64_t f_fsid; /* filesystem id (endian 32 matters) */
char f_charspare[80]; /* spare string space */
char f_fstypename[16]; /* filesystem type name */
char f_mntfromname[1024]; /* mounted filesystem */
char f_mntonname[1024]; /* directory on which mounted */
};
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_FREEBSD_INTERNAL_H_ */

23
libc/calls/struct/statfs-linux.internal.h Normal file
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@ -0,0 +1,23 @@
#ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_LINUX_INTERNAL_H_
#define COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_LINUX_INTERNAL_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
struct statfs_linux {
int64_t f_type; /* type of filesystem */
int64_t f_bsize; /* optimal transfer block size */
int64_t f_blocks; /* total data blocks in filesystem */
int64_t f_bfree; /* free blocks in filesystem */
int64_t f_bavail; /* free blocks available to */
int64_t f_files; /* total file nodes in filesystem */
int64_t f_ffree; /* free file nodes in filesystem */
int64_t f_fsid; /* filesystem id */
int64_t f_namelen; /* maximum length of filenames */
int64_t f_frsize; /* fragment size */
int64_t f_flags; /* mount flags of filesystem 2.6.36 */
int64_t f_spare[4];
};
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_LINUX_INTERNAL_H_ */

24
libc/calls/struct/statfs-meta.internal.h Normal file
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@ -0,0 +1,24 @@
#ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_META_INTERNAL_H_
#define COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_META_INTERNAL_H_
#include "libc/calls/struct/statfs-freebsd.internal.h"
#include "libc/calls/struct/statfs-linux.internal.h"
#include "libc/calls/struct/statfs-netbsd.internal.h"
#include "libc/calls/struct/statfs-openbsd.internal.h"
#include "libc/calls/struct/statfs-xnu.internal.h"
#include "libc/calls/struct/statfs.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
union statfs_meta {
struct statfs_linux linux;
struct statfs_xnu xnu;
struct statfs_freebsd freebsd;
struct statfs_openbsd openbsd;
struct statfs_netbsd netbsd;
};
void statfs2cosmo(struct statfs *, const union statfs_meta *) hidden;
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_META_INTERNAL_H_ */

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libc/calls/struct/statfs-netbsd.internal.h Normal file
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#ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_NETBSD_H_
#define COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_NETBSD_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
struct statfs_netbsd {
int16_t f_type; /* type of file system */
uint16_t f_oflags; /* deprecated copy of mount flags */
int64_t f_bsize; /* fundamental file system block size */
int64_t f_iosize; /* optimal transfer block size */
int64_t f_blocks; /* total data blocks in file system */
int64_t f_bfree; /* free blocks in fs */
int64_t f_bavail; /* free blocks avail to non-superuser */
int64_t f_files; /* total file nodes in file system */
int64_t f_ffree; /* free file nodes in fs */
uint64_t f_fsid; /* file system id (endian 32 matters) */
uint32_t f_owner; /* user that mounted the file system */
int64_t f_flags; /* copy of mount flags */
int64_t f_syncwrites; /* count of sync writes since mount */
int64_t f_asyncwrites; /* count of async writes since mount */
int64_t f_spare[1]; /* spare for later */
char f_fstypename[16]; /* fs type name */
char f_mntonname[90]; /* directory on which mounted */
char f_mntfromname[90]; /* mounted file system */
};
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_NETBSD_H_ */

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libc/calls/struct/statfs-openbsd.internal.h Normal file
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#ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_OPENBSD_H_
#define COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_OPENBSD_H_
#include "libc/sock/struct/sockaddr.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
struct xucred_openbsd {
uint32_t cr_uid; /* user id */
uint32_t cr_gid; /* group id */
int16_t cr_ngroups; /* number of groups */
uint32_t cr_groups[16]; /* groups */
};
struct export_args_openbsd {
int32_t ex_flags; /* export related flags */
uint32_t ex_root; /* mapping for root uid */
struct xucred_openbsd ex_anon; /* mapping for anonymous user */
struct sockaddr *ex_addr; /* net address to which exported */
int32_t ex_addrlen; /* and the net address length */
struct sockaddr *ex_mask; /* mask of valid bits in saddr */
int32_t ex_masklen; /* and the smask length */
};
struct ufs_args_openbsd {
char *fspec; /* block special device to mount */
struct export_args_openbsd export_info; /* network export information */
};
struct mfs_args_openbsd {
char *fspec; /* name to export for statfs */
struct export_args_openbsd export_info; /* if exported MFSes are supported */
char *base; /* base of file system in memory */
uint64_t size; /* size of file system */
};
struct iso_args_openbsd {
char *fspec; /* block special device to mount */
struct export_args_openbsd export_info; /* network export info */
int32_t flags; /* mounting flags, see below */
int32_t sess; /* start sector of session */
};
struct nfs_args_openbsd {
int32_t version; /* args structure version number */
struct sockaddr *addr; /* file server address */
int32_t addrlen; /* length of address */
int32_t sotype; /* Socket type */
int32_t proto; /* and Protocol */
unsigned char *fh; /* File handle to be mounted */
int32_t fhsize; /* Size, in bytes, of fh */
int32_t flags; /* flags */
int32_t wsize; /* write size in bytes */
int32_t rsize; /* read size in bytes */
int32_t readdirsize; /* readdir size in bytes */
int32_t timeo; /* initial timeout in .1 secs */
int32_t retrans; /* times to retry send */
int32_t maxgrouplist; /* Max. size of group list */
int32_t readahead; /* # of blocks to readahead */
int32_t leaseterm; /* Term (sec) of lease */
int32_t deadthresh; /* Retrans threshold */
char *hostname; /* server's name */
int32_t acregmin; /* Attr cache file recently modified */
int32_t acregmax; /* ac file not recently modified */
int32_t acdirmin; /* ac for dir recently modified */
int32_t acdirmax; /* ac for dir not recently modified */
};
struct msdosfs_args_openbsd {
char *fspec; /* blocks special holding the fs to mount */
struct export_args_openbsd export_info; /* network export information */
uint32_t uid; /* uid that owns msdosfs files */
uint32_t gid; /* gid that owns msdosfs files */
uint32_t mask; /* mask to be applied for msdosfs perms */
int32_t flags; /* see below */
};
struct ntfs_args_openbsd {
char *fspec; /* block special device to mount */
struct export_args_openbsd export_info; /* network export information */
uint32_t uid; /* uid that owns ntfs files */
uint32_t gid; /* gid that owns ntfs files */
uint32_t mode; /* mask to be applied for ntfs perms */
uint64_t flag; /* additional flags */
};
struct tmpfs_args_openbsd {
int32_t ta_version;
/* Size counters. */
uint64_t ta_nodes_max;
int64_t ta_size_max;
/* Root node attributes. */
uint32_t ta_root_uid;
uint32_t ta_root_gid;
uint32_t ta_root_mode;
};
union mount_info_openbsd {
struct ufs_args_openbsd ufs_args;
struct mfs_args_openbsd mfs_args;
struct nfs_args_openbsd nfs_args;
struct iso_args_openbsd iso_args;
struct msdosfs_args_openbsd msdosfs_args;
struct ntfs_args_openbsd ntfs_args;
struct tmpfs_args_openbsd tmpfs_args;
char __align[160]; /* 64-bit alignment and room to grow */
};
struct statfs_openbsd {
uint32_t f_flags; /* copy of mount flags */
uint32_t f_bsize; /* file system block size */
uint32_t f_iosize; /* optimal transfer block size */
uint64_t f_blocks; /* total data blocks in file system */
uint64_t f_bfree; /* free blocks in fs */
int64_t f_bavail; /* free blocks avail to non-superuser */
uint64_t f_files; /* total file nodes in file system */
uint64_t f_ffree; /* free file nodes in fs */
int64_t f_favail; /* free file nodes avail to non-root */
uint64_t f_syncwrites; /* count of sync writes since mount */
uint64_t f_syncreads; /* count of sync reads since mount */
uint64_t f_asyncwrites; /* count of async writes since mount */
uint64_t f_asyncreads; /* count of async reads since mount */
uint64_t f_fsid; /* file system id (endian 32 matters) */
uint32_t f_namemax; /* maximum filename length */
uint32_t f_owner; /* user that mounted the file system */
uint64_t f_ctime; /* last mount [-u] time */
char f_fstypename[16]; /* fs type name */
char f_mntonname[90]; /* directory on which mounted */
char f_mntfromname[90]; /* mounted file system */
char f_mntfromspec[90]; /* special for mount request */
union mount_info_openbsd mount_info; /* per-filesystem mount options */
};
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_OPENBSD_H_ */

28
libc/calls/struct/statfs-xnu.internal.h Normal file
View file

@ -0,0 +1,28 @@
#ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_XNU_INTERNAL_H_
#define COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_XNU_INTERNAL_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
struct statfs_xnu {
uint32_t f_bsize; /* fundamental file system block size */
int32_t f_iosize; /* optimal transfer block size */
uint64_t f_blocks; /* total data blocks in file system */
uint64_t f_bfree; /* free blocks in fs */
uint64_t f_bavail; /* free blocks avail to non-superuser */
uint64_t f_files; /* total file nodes in file system */
uint64_t f_ffree; /* free file nodes in fs */
uint64_t f_fsid; /* file system id (endian 32 matters) */
uint32_t f_owner; /* user that mounted the filesystem */
uint32_t f_type; /* type of filesystem */
uint32_t f_flags; /* copy of mount exported flags */
uint32_t f_fssubtype; /* fs sub-type (flavor) */
char f_fstypename[16]; /* fs type name */
char f_mntonname[4096]; /* directory on which mounted */
char f_mntfromname[4096]; /* mounted filesystem */
uint32_t f_flags_ext; /* extended flags */
uint32_t f_reserved[7]; /* For future use */
};
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_XNU_INTERNAL_H_ */

28
libc/calls/struct/statfs.h
View file

@ -3,19 +3,21 @@
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
struct statfs {
int64_t f_type; /* type of filesystem */
int64_t f_bsize; /* optimal transfer block size */
int64_t f_blocks; /* total data blocks in filesystem */
int64_t f_bfree; /* free blocks in filesystem */
int64_t f_bavail; /* free blocks available to */
int64_t f_files; /* total file nodes in filesystem */
int64_t f_ffree; /* free file nodes in filesystem */
int64_t f_fsid; /* filesystem id */
int64_t f_namelen; /* maximum length of filenames */
int64_t f_frsize; /* fragment size */
int64_t f_flags; /* mount flags of filesystem 2.6.36 */
int64_t f_spare[4];
struct statfs { /* cosmo abi */
int64_t f_type; /* type of filesystem */
int64_t f_bsize; /* optimal transfer block size */
int64_t f_blocks; /* total data blocks in filesystem */
int64_t f_bfree; /* free blocks in filesystem */
int64_t f_bavail; /* free blocks available to */
int64_t f_files; /* total file nodes in filesystem */
int64_t f_ffree; /* free file nodes in filesystem */
int64_t f_fsid; /* filesystem id */
int64_t f_namelen; /* maximum length of filenames */
int64_t f_frsize; /* fragment size */
int64_t f_flags; /* mount flags of filesystem 2.6.36 */
int64_t f_spare[4]; /* end of linux abi */
uint32_t f_owner;
char f_fstypename[16];
};
int statfs(const char *, struct statfs *);

17
libc/calls/struct/statfs.internal.h Normal file
View file

@ -0,0 +1,17 @@
#ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_INTERNAL_H_
#define COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_INTERNAL_H_
#include "libc/calls/struct/statfs-meta.internal.h"
#include "libc/calls/struct/statfs.h"
#include "libc/mem/alloca.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
int sys_statfs(const char *, union statfs_meta *);
int sys_fstatfs(int, union statfs_meta *);
const char *DescribeStatfs(char[300], int, const struct statfs *);
#define DescribeStatfs(rc, sf) DescribeStatfs(alloca(300), rc, sf)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_INTERNAL_H_ */

1
libc/fmt/conv.h
View file

@ -33,6 +33,7 @@ long wcstol(const wchar_t *, wchar_t **, int);
unsigned long wcstoul(const wchar_t *, wchar_t **, int);
long strtol(const char *, char **, int) paramsnonnull((1)) libcesque;
long sizetol(const char *, long) paramsnonnull() libcesque;
char *sizefmt(char *, uint64_t, uint64_t);
long long wcstoll(const wchar_t *, wchar_t **, int);
unsigned long long wcstoull(const wchar_t *, wchar_t **, int);
int wcscoll(const wchar_t *, const wchar_t *);

1
libc/fmt/itoa.h
View file

@ -21,7 +21,6 @@ char *FormatFlex64(char[hasatleast 24], int64_t, char);
size_t uint64toarray_radix16(uint64_t, char[hasatleast 17]);
size_t uint64toarray_fixed16(uint64_t, char[hasatleast 17], uint8_t);
size_t uint64toarray_radix8(uint64_t, char[hasatleast 24]);
char *FormatMemorySize(char *, uint64_t, uint64_t);
#ifndef __STRICT_ANSI__
size_t int128toarray_radix10(int128_t, char *);

122
libc/intrin/describestatfs.c Normal file
View file

@ -0,0 +1,122 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/struct/statfs.h"
#include "libc/calls/struct/statfs.internal.h"
#include "libc/dce.h"
#include "libc/fmt/conv.h"
#include "libc/intrin/asan.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/sysv/consts/st.h"
const char *(DescribeStatfs)(char buf[300], int rc, const struct statfs *f) {
int i, n;
char ibuf[21];
int64_t flags;
if (rc == -1) return "n/a";
if (!f) return "NULL";
if ((!IsAsan() && kisdangerous(f)) ||
(IsAsan() && !__asan_is_valid(f, sizeof(*f)))) {
ksnprintf(buf, 300, "%p", f);
return buf;
}
i = 0;
n = 300;
i += ksnprintf(buf + i, n - i, "{.f_type=%#lx /* %s */", f->f_type,
f->f_fstypename);
sizefmt(ibuf, f->f_bsize, 1024);
i += ksnprintf(buf + i, n - i, ", .f_%s=%sb", "bsize", ibuf);
sizefmt(ibuf, f->f_blocks * f->f_bsize, 1024);
i += ksnprintf(buf + i, n - i, ", .f_%s=%sb", "blocks", ibuf);
sizefmt(ibuf, f->f_bfree * f->f_bsize, 1024);
i += ksnprintf(buf + i, n - i, ", .f_%s=%sb", "bfree", ibuf);
sizefmt(ibuf, f->f_bavail * f->f_bsize, 1024);
i += ksnprintf(buf + i, n - i, ", .f_%s=%sb", "bavail", ibuf);
i += ksnprintf(buf + i, n - i, ", .f_%s=%'zu", "files", f->f_files);
i += ksnprintf(buf + i, n - i, ", .f_%s=%'zu", "ffree", f->f_ffree);
i += ksnprintf(buf + i, n - i, ", .f_fsid=%#lx", f->f_fsid);
i += ksnprintf(buf + i, n - i, ", .f_%s=%'zu", "namelen", f->f_namelen);
i += ksnprintf(buf + i, n - i, ", .f_%s=%d", "owner", f->f_owner);
flags = f->f_flags;
i += ksnprintf(buf + i, n - i, ", .f_flags=");
if (ST_RDONLY && (flags & ST_RDONLY)) {
i += ksnprintf(buf + i, n - i, "ST_RDONLY|");
flags &= ~ST_RDONLY;
}
if (ST_NOSUID && (flags & ST_NOSUID)) {
i += ksnprintf(buf + i, n - i, "ST_NOSUID|");
flags &= ~ST_NOSUID;
}
if (ST_NODEV && (flags & ST_NODEV)) {
i += ksnprintf(buf + i, n - i, "ST_NODEV|");
flags &= ~ST_NODEV;
}
if (ST_NOEXEC && (flags & ST_NOEXEC)) {
i += ksnprintf(buf + i, n - i, "ST_NOEXEC|");
flags &= ~ST_NOEXEC;
}
if (ST_SYNCHRONOUS && (flags & ST_SYNCHRONOUS)) {
i += ksnprintf(buf + i, n - i, "ST_SYNCHRONOUS|");
flags &= ~ST_SYNCHRONOUS;
}
if (ST_MANDLOCK && (flags & ST_MANDLOCK)) {
i += ksnprintf(buf + i, n - i, "ST_MANDLOCK|");
flags &= ~ST_MANDLOCK;
}
if (ST_WRITE && (flags & ST_WRITE)) {
i += ksnprintf(buf + i, n - i, "ST_WRITE|");
flags &= ~ST_WRITE;
}
if (ST_APPEND && (flags & ST_APPEND)) {
i += ksnprintf(buf + i, n - i, "ST_APPEND|");
flags &= ~ST_APPEND;
}
if (ST_IMMUTABLE && (flags & ST_IMMUTABLE)) {
i += ksnprintf(buf + i, n - i, "ST_IMMUTABLE|");
flags &= ~ST_IMMUTABLE;
}
if (ST_NOATIME && (flags & ST_NOATIME)) {
i += ksnprintf(buf + i, n - i, "ST_NOATIME|");
flags &= ~ST_NOATIME;
}
if (ST_NODIRATIME && (flags & ST_NODIRATIME)) {
i += ksnprintf(buf + i, n - i, "ST_NODIRATIME|");
flags &= ~ST_NODIRATIME;
}
if (ST_RELATIME && (flags & ST_RELATIME)) {
i += ksnprintf(buf + i, n - i, "ST_RELATIME|");
flags &= ~ST_RELATIME;
}
i += ksnprintf(buf + i, n - i, "%#lx", flags);
if (n - i >= 2) {
buf[i + 0] = '}';
buf[i + 1] = 0;
}
return buf;
}

5
libc/fmt/formatmemorysize.c → libc/intrin/sizefmt.c
View file

@ -20,13 +20,13 @@
#include "libc/macros.internal.h"
/**
* Represents size of memory readably.
* Represents size as readable string.
*
* @param p is output buffer
* @param b should be 1024 or 1000
* @return pointer to nul byte
*/
char *FormatMemorySize(char *p, uint64_t x, uint64_t b) {
char *sizefmt(char *p, uint64_t x, uint64_t b) {
int i, suffix;
struct {
char suffix;
@ -48,7 +48,6 @@ char *FormatMemorySize(char *p, uint64_t x, uint64_t b) {
}
p = FormatUint64(p, x);
if (suffix) *p++ = suffix;
*p++ = 'b';
*p = 0;
return p;
}

2
libc/sysv/calls/fstatfs.s
View file

@ -1,2 +0,0 @@
.include "o/libc/sysv/macros.internal.inc"
.scall fstatfs,0xfff04022c215a08a,globl

2
libc/sysv/calls/statfs.s
View file

@ -1,2 +0,0 @@
.include "o/libc/sysv/macros.internal.inc"
.scall statfs,0xfff03f22b2159089,globl

2
libc/sysv/calls/sys_fstatfs.s Normal file
View file

@ -0,0 +1,2 @@
.include "o/libc/sysv/macros.internal.inc"
.scall sys_fstatfs,0x09f04022c215a08a,globl,hidden

2
libc/sysv/calls/sys_statfs.s Normal file
View file

@ -0,0 +1,2 @@
.include "o/libc/sysv/macros.internal.inc"
.scall sys_statfs,0x09d03f22b2159089,globl,hidden

32
libc/sysv/consts.sh
View file

@ -304,6 +304,12 @@ syscon misc SIG_UNBLOCK 1 2 2 2 2 1 # bsd consensus; faked nt
syscon misc SIG_SETMASK 2 3 3 3 3 2 # bsd consensus; faked nt
syscon misc SIG_ATOMIC_MIN -2147483648 -2147483648 -9223372036854775808 -2147483648 -2147483648 0
# lseek() whence
#
# group name GNU/Systemd XNU's Not UNIX! FreeBSD OpenBSD NetBSD The New Technology Commentary
syscon splice SEEK_HOLE 4 3 4 -1 -1 -1 #
syscon splice SEEK_DATA 3 4 3 -1 -1 -1 #
# splice() flags
#
# group name GNU/Systemd XNU's Not UNIX! FreeBSD OpenBSD NetBSD The New Technology Commentary
@ -1146,21 +1152,21 @@ syscon ms MS_SYNC 4 16 0 2 4 4 # faked nt
syscon ms MS_ASYNC 1 1 1 1 1 1 # consensus (faked nt)
syscon ms MS_INVALIDATE 2 2 2 4 2 0
# statvfs() flags
# statfs() flags
#
# group name GNU/Systemd XNU's Not UNIX! FreeBSD OpenBSD NetBSD The New Technology Commentary
syscon statvfs ST_RDONLY 1 1 1 1 1 0 # unix consensus
syscon statvfs ST_NOSUID 2 2 2 2 2 0 # unix consensus
syscon statvfs ST_NODEV 4 0 0 0 0x00000010 0
syscon statvfs ST_NOEXEC 8 0 0 0 4 0
syscon statvfs ST_SYNCHRONOUS 16 0 0 0 2 0
syscon statvfs ST_APPEND 0x0100 0 0 0 0 0
syscon statvfs ST_IMMUTABLE 0x0200 0 0 0 0 0
syscon statvfs ST_MANDLOCK 0x0040 0 0 0 0 0
syscon statvfs ST_NOATIME 0x0400 0 0 0x04000000 0 0
syscon statvfs ST_NODIRATIME 0x0800 0 0 0 0 0
syscon statvfs ST_WRITE 0x0080 0 0 0 0 0
syscon statvfs ST_RELATIME 0x1000 0 0 0 0x00020000 0
syscon statfs ST_RDONLY 1 1 1 1 1 0 # MNT_RDONLY on BSD
syscon statfs ST_NOSUID 2 8 8 8 8 0 # MNT_NOSUID on BSD
syscon statfs ST_NODEV 4 16 0 16 16 0 # MNT_NODEV on BSD
syscon statfs ST_NOEXEC 8 4 4 4 4 0 # MNT_NOEXEC on BSD
syscon statfs ST_SYNCHRONOUS 16 2 2 2 2 0 # MNT_SYNCHRONOUS on BSD
syscon statfs ST_NOATIME 0x0040 0x10000000 0x10000000 0x00008000 0x04000000 0 # MNT_NOATIME on BSD
syscon statfs ST_RELATIME 0x1000 0 0 0 0x00020000 0 # MNT_RELATIME on NetBSD
syscon statfs ST_APPEND 0x0100 0 0 0 0 0 #
syscon statfs ST_IMMUTABLE 0x0200 0 0 0 0 0 #
syscon statfs ST_MANDLOCK 0x0040 0 0 0 0 0 #
syscon statfs ST_NODIRATIME 0x0800 0 0 0 0 0 #
syscon statfs ST_WRITE 0x0080 0 0 0 0 0 #
# sendfile() flags
#

2
libc/sysv/consts/SEEK_DATA.S Normal file
View file

@ -0,0 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon splice,SEEK_DATA,3,4,3,-1,-1,-1

2
libc/sysv/consts/SEEK_HOLE.S Normal file
View file

@ -0,0 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon splice,SEEK_HOLE,4,3,4,-1,-1,-1

2
libc/sysv/consts/ST_APPEND.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon statvfs,ST_APPEND,0x0100,0,0,0,0,0
.syscon statfs,ST_APPEND,0x0100,0,0,0,0,0

2
libc/sysv/consts/ST_IMMUTABLE.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon statvfs,ST_IMMUTABLE,0x0200,0,0,0,0,0
.syscon statfs,ST_IMMUTABLE,0x0200,0,0,0,0,0

2
libc/sysv/consts/ST_MANDLOCK.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon statvfs,ST_MANDLOCK,0x0040,0,0,0,0,0
.syscon statfs,ST_MANDLOCK,0x0040,0,0,0,0,0

2
libc/sysv/consts/ST_NOATIME.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon statvfs,ST_NOATIME,0x0400,0,0,0x04000000,0,0
.syscon statfs,ST_NOATIME,0x0040,0x10000000,0x10000000,0x00008000,0x04000000,0

2
libc/sysv/consts/ST_NODEV.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon statvfs,ST_NODEV,4,0,0,0,0x00000010,0
.syscon statfs,ST_NODEV,4,16,0,16,16,0

2
libc/sysv/consts/ST_NODIRATIME.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon statvfs,ST_NODIRATIME,0x0800,0,0,0,0,0
.syscon statfs,ST_NODIRATIME,0x0800,0,0,0,0,0

2
libc/sysv/consts/ST_NOEXEC.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon statvfs,ST_NOEXEC,8,0,0,0,4,0
.syscon statfs,ST_NOEXEC,8,4,4,4,4,0

2
libc/sysv/consts/ST_NOSUID.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon statvfs,ST_NOSUID,2,2,2,2,2,0
.syscon statfs,ST_NOSUID,2,8,8,8,8,0

2
libc/sysv/consts/ST_RDONLY.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon statvfs,ST_RDONLY,1,1,1,1,1,0
.syscon statfs,ST_RDONLY,1,1,1,1,1,0

2
libc/sysv/consts/ST_RELATIME.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon statvfs,ST_RELATIME,0x1000,0,0,0,0x00020000,0
.syscon statfs,ST_RELATIME,0x1000,0,0,0,0x00020000,0

2
libc/sysv/consts/ST_SYNCHRONOUS.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon statvfs,ST_SYNCHRONOUS,16,0,0,0,2,0
.syscon statfs,ST_SYNCHRONOUS,16,2,2,2,2,0

2
libc/sysv/consts/ST_WRITE.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon statvfs,ST_WRITE,0x0080,0,0,0,0,0
.syscon statfs,ST_WRITE,0x0080,0,0,0,0,0

16
libc/sysv/consts/seek.h Normal file
View file

@ -0,0 +1,16 @@
#ifndef COSMOPOLITAN_LIBC_SYSV_CONSTS_SEEK_H_
#define COSMOPOLITAN_LIBC_SYSV_CONSTS_SEEK_H_
#include "libc/runtime/symbolic.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
extern const int SEEK_DATA;
extern const int SEEK_HOLE;
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#define SEEK_DATA SYMBOLIC(SEEK_DATA)
#define SEEK_HOLE SYMBOLIC(SEEK_HOLE)
#endif /* COSMOPOLITAN_LIBC_SYSV_CONSTS_SEEK_H_ */

4
libc/sysv/syscalls.sh
View file

@ -168,8 +168,8 @@ scall sys_mknod 0x1c200e00e200e085 globl hidden
scall mknodat 0x1cc14022fffff103 globl # FreeBSD 12+
scall sys_mkfifo 0x0840840842084fff globl hidden
scall mkfifoat 0x1cb13f1f1fffffff globl
scall statfs 0xfff03f22b2159089 globl
scall fstatfs 0xfff04022c215a08a globl
scall sys_statfs 0x09d03f22b2159089 globl hidden
scall sys_fstatfs 0x09f04022c215a08a globl hidden
scall sys_getpriority 0x064064064206408c globl hidden
scall sys_setpriority 0x060060060206008d globl hidden # modern nice()
scall mlock 0x0cb0cb0cb20cb095 globl