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https://github.com/jart/cosmopolitan.git
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Polyfill statfs() and fstatfs() on BSD distros
This commit is contained in:
Justine Tunney
parent
e3fe127ccd
commit
f7ee9d7d99
42 changed files with 968 additions and 287 deletions
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@ -8,219 +8,89 @@
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╚─────────────────────────────────────────────────────────────────*/
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#endif
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#include "libc/calls/struct/statfs.h"
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#include "libc/fmt/conv.h"
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#include "libc/log/check.h"
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#include "libc/stdio/stdio.h"
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#include "libc/sysv/consts/st.h"
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const char *DescribeStatfsType(int64_t x) {
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switch (x) {
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case 0xadf5:
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return "ADFS_SUPER_MAGIC";
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case 0xadff:
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return "AFFS_SUPER_MAGIC";
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case 0x0187:
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return "AUTOFS_SUPER_MAGIC";
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case 0x1373:
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return "DEVFS_SUPER_MAGIC";
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case 0x1cd1:
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return "DEVPTS_SUPER_MAGIC";
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case 0xf15f:
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return "ECRYPTFS_SUPER_MAGIC";
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case 0x137d:
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return "EXT_SUPER_MAGIC";
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case 0xef51:
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return "EXT2_OLD_SUPER_MAGIC";
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case 0xef53:
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return "EXT2/3/4_SUPER_MAGIC";
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case 0x4244:
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return "HFS_SUPER_MAGIC";
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case 0x9660:
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return "ISOFS_SUPER_MAGIC";
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case 0x72b6:
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return "JFFS2_SUPER_MAGIC";
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case 0x137f:
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return "MINIX_SUPER_MAGIC";
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case 0x138f:
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return "MINIX_SUPER_MAGIC2";
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case 0x2468:
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return "MINIX2_SUPER_MAGIC";
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case 0x2478:
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return "MINIX2_SUPER_MAGIC2";
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case 0x4d5a:
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return "MINIX3_SUPER_MAGIC";
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case 0x4d44:
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return "MSDOS_SUPER_MAGIC";
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case 0x564c:
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return "NCP_SUPER_MAGIC";
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case 0x6969:
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return "NFS_SUPER_MAGIC";
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case 0x3434:
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return "NILFS_SUPER_MAGIC";
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case 0x9fa1:
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return "OPENPROM_SUPER_MAGIC";
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case 0x9fa0:
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return "PROC_SUPER_MAGIC";
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case 0x002f:
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return "QNX4_SUPER_MAGIC";
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case 0x7275:
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return "ROMFS_MAGIC";
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case 0x517b:
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return "SMB_SUPER_MAGIC";
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case 0x9fa2:
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return "USBDEVICE_SUPER_MAGIC";
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case 0x27e0eb:
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return "CGROUP_SUPER_MAGIC";
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case 0xbad1dea:
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return "FUTEXFS_SUPER_MAGIC";
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case 0x5346414f:
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return "AFS_SUPER_MAGIC";
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case 0x09041934:
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return "ANON_INODE_FS_MAGIC";
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case 0x62646576:
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return "BDEVFS_MAGIC";
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case 0x42465331:
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return "BEFS_SUPER_MAGIC";
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case 0x1badface:
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return "BFS_MAGIC";
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case 0x42494e4d:
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return "BINFMTFS_MAGIC";
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case 0xcafe4a11:
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return "BPF_FS_MAGIC";
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case 0x9123683e:
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return "BTRFS_SUPER_MAGIC";
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case 0x73727279:
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return "BTRFS_TEST_MAGIC";
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case 0x63677270:
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return "CGROUP2_SUPER_MAGIC";
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case 0xff534d42:
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return "CIFS_MAGIC_NUMBER";
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case 0x73757245:
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return "CODA_SUPER_MAGIC";
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case 0x012ff7b7:
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return "COH_SUPER_MAGIC";
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case 0x28cd3d45:
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return "CRAMFS_MAGIC";
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case 0x64626720:
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return "DEBUGFS_MAGIC";
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case 0xde5e81e4:
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return "EFIVARFS_MAGIC";
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case 0x00414a53:
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return "EFS_SUPER_MAGIC";
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case 0xf2f52010:
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return "F2FS_SUPER_MAGIC";
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case 0x65735546:
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return "FUSE_SUPER_MAGIC";
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case 0x00c0ffee:
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return "HOSTFS_SUPER_MAGIC";
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case 0xf995e849:
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return "HPFS_SUPER_MAGIC";
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case 0x958458f6:
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return "HUGETLBFS_MAGIC";
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case 0x3153464a:
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return "JFS_SUPER_MAGIC";
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case 0x19800202:
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return "MQUEUE_MAGIC";
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case 0x11307854:
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return "MTD_INODE_FS_MAGIC";
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case 0x6e736673:
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return "NSFS_MAGIC";
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case 0x5346544e:
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return "NTFS_SB_MAGIC";
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case 0x7461636f:
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return "OCFS2_SUPER_MAGIC";
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case 0x794c7630:
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return "OVERLAYFS_SUPER_MAGIC";
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case 0x50495045:
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return "PIPEFS_MAGIC";
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case 0x6165676c:
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return "PSTOREFS_MAGIC";
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case 0x68191122:
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return "QNX6_SUPER_MAGIC";
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case 0x858458f6:
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return "RAMFS_MAGIC";
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case 0x52654973:
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return "REISERFS_SUPER_MAGIC";
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case 0x73636673:
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return "SECURITYFS_MAGIC";
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case 0xf97cff8c:
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return "SELINUX_MAGIC";
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case 0x43415d53:
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return "SMACK_MAGIC";
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case 0x534f434b:
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return "SOCKFS_MAGIC";
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case 0x73717368:
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return "SQUASHFS_MAGIC";
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case 0x62656572:
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return "SYSFS_MAGIC";
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case 0x012ff7b6:
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return "SYSV2_SUPER_MAGIC";
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case 0x012ff7b5:
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return "SYSV4_SUPER_MAGIC";
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case 0x01021994:
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return "TMPFS_MAGIC";
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case 0x74726163:
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return "TRACEFS_MAGIC";
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case 0x15013346:
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return "UDF_SUPER_MAGIC";
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case 0x00011954:
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return "UFS_MAGIC";
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case 0x01021997:
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return "V9FS_MAGIC";
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case 0xa501fcf5:
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return "VXFS_SUPER_MAGIC";
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case 0xabba1974:
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return "XENFS_SUPER_MAGIC";
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case 0x012ff7b4:
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return "XENIX_SUPER_MAGIC";
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case 0x58465342:
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return "XFS_SUPER_MAGIC";
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case 0x012fd16d:
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return "_XIAFS_SUPER_MAGIC";
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default:
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break;
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}
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return "UNKNOWN";
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}
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void ShowIt(const char *path) {
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dontinline void ShowIt(const char *path) {
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char ibuf[21];
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struct statfs sf = {0};
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CHECK_NE(-1, statfs(path, &sf));
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printf("filesystem %s\n", path);
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printf("f_type = %#x (%s)\n", sf.f_type, DescribeStatfsType(sf.f_type));
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printf("f_bsize = %'zu (%s)\n", sf.f_bsize, "optimal transfer block size");
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printf("f_blocks = %'zu (%s)\n", sf.f_blocks,
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printf("f_type = %#x (%s)\n", sf.f_type, sf.f_fstypename);
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sizefmt(ibuf, sf.f_bsize, 1024);
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printf("f_bsize = %,zu (%sb %s)\n", sf.f_bsize, ibuf,
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"optimal transfer block size");
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sizefmt(ibuf, sf.f_frsize, 1024);
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printf("f_frsize = %,zu (%sb %s)\n", sf.f_frsize, ibuf, "fragment size");
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sizefmt(ibuf, sf.f_blocks * sf.f_bsize, 1024);
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printf("f_blocks = %,zu (%sb %s)\n", sf.f_blocks, ibuf,
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"total data blocks in filesystem");
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printf("f_bfree = %'zu (%s)\n", sf.f_bfree, "free blocks in filesystem");
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printf("f_bavail = %'zu (%s)\n", sf.f_bavail, "free blocks available to");
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printf("f_files = %'zu (%s)\n", sf.f_files,
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sizefmt(ibuf, sf.f_bfree * sf.f_bsize, 1024);
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printf("f_bfree = %,zu (%sb %s)\n", sf.f_bfree, ibuf,
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"free blocks in filesystem");
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sizefmt(ibuf, sf.f_bavail * sf.f_bsize, 1024);
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printf("f_bavail = %,zu (%sb %s)\n", sf.f_bavail, ibuf,
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"free blocks available to use");
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printf("f_files = %,zu (%s)\n", sf.f_files,
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"total file nodes in filesystem");
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printf("f_ffree = %'zu (%s)\n", sf.f_ffree,
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printf("f_ffree = %,zu (%s)\n", sf.f_ffree,
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"free file nodes in filesystem");
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printf("f_fsid = %d:%d (%s)\n", (sf.f_fsid & 0xffff0000) >> 020,
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(sf.f_fsid & 0x0000ffff) >> 000, "filesystem id");
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printf("f_namelen = %'zu (%s)\n", sf.f_namelen,
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printf("f_fsid = %#lx (%s)\n", sf.f_fsid, "filesystem id");
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printf("f_owner = %#lx (%s)\n", sf.f_owner, "user that created mount");
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printf("f_namelen = %,zu (%s)\n", sf.f_namelen,
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"maximum length of filenames");
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printf("f_frsize = %'zu (%s)\n", sf.f_frsize, "fragment size");
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printf("f_flags = %#x", sf.f_flags);
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if (sf.f_flags & 1) printf(" ST_RDONLY");
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if (sf.f_flags & 2) printf(" ST_NOSUID");
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if (sf.f_flags & 4) printf(" ST_NODEV");
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if (sf.f_flags & 8) printf(" ST_NOEXEC");
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if (sf.f_flags & 16) printf(" ST_SYNCHRONOUS");
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if (sf.f_flags & 64) printf(" ST_MANDLOCK");
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if (sf.f_flags & 128) printf(" ST_WRITE");
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if (sf.f_flags & 256) printf(" ST_APPEND");
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if (sf.f_flags & 512) printf(" ST_IMMUTABLE");
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if (sf.f_flags & 1024) printf(" ST_NOATIME");
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if (sf.f_flags & 2048) printf(" ST_NODIRATIME");
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if (sf.f_flags & 4096) printf(" ST_RELATIME");
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if (ST_RDONLY && (sf.f_flags & ST_RDONLY)) {
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printf(" ST_RDONLY");
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}
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if (ST_NOSUID && (sf.f_flags & ST_NOSUID)) {
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printf(" ST_NOSUID");
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}
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if (ST_NODEV && (sf.f_flags & ST_NODEV)) {
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printf(" ST_NODEV");
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}
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if (ST_NOEXEC && (sf.f_flags & ST_NOEXEC)) {
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printf(" ST_NOEXEC");
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}
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if (ST_SYNCHRONOUS && (sf.f_flags & ST_SYNCHRONOUS)) {
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printf(" ST_SYNCHRONOUS");
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}
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if (ST_MANDLOCK && (sf.f_flags & ST_MANDLOCK)) {
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printf(" ST_MANDLOCK");
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}
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if (ST_WRITE && (sf.f_flags & ST_WRITE)) {
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printf(" ST_WRITE");
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}
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if (ST_APPEND && (sf.f_flags & ST_APPEND)) {
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printf(" ST_APPEND");
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}
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if (ST_IMMUTABLE && (sf.f_flags & ST_IMMUTABLE)) {
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printf(" ST_IMMUTABLE");
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}
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if (ST_NOATIME && (sf.f_flags & ST_NOATIME)) {
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printf(" ST_NOATIME");
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}
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if (ST_NODIRATIME && (sf.f_flags & ST_NODIRATIME)) {
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printf(" ST_NODIRATIME");
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}
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if (ST_RELATIME && (sf.f_flags & ST_RELATIME)) {
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printf(" ST_RELATIME");
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}
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printf("\n");
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printf("\n");
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}
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int main(int argc, char *argv[]) {
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if (!IsLinux()) return 1;
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ShowIt("/");
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if (argc <= 1) {
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ShowIt("/");
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} else {
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for (int i = 1; i < argc; ++i) {
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ShowIt(argv[i]);
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}
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}
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}
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@ -8,6 +8,7 @@
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╚─────────────────────────────────────────────────────────────────*/
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#endif
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#include "libc/calls/struct/sysinfo.h"
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#include "libc/fmt/conv.h"
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#include "libc/fmt/itoa.h"
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#include "libc/log/check.h"
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#include "libc/stdio/stdio.h"
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@ -45,33 +46,33 @@ int main(int argc, char *argv[]) {
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1. / 65536 * si.loads[1], //
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1. / 65536 * si.loads[2]); //
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FormatMemorySize(ibuf, si.totalram, 1024);
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sizefmt(ibuf, si.totalram, 1024);
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printf("%-16s %s\n", "totalram", ibuf);
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FormatMemorySize(ibuf, si.freeram, 1024);
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sizefmt(ibuf, si.freeram, 1024);
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printf("%-16s %s\n", "freeram", ibuf);
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FormatMemorySize(ibuf, si.sharedram, 1024);
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sizefmt(ibuf, si.sharedram, 1024);
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printf("%-16s %s\n", "sharedram", ibuf);
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FormatMemorySize(ibuf, si.bufferram, 1024);
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sizefmt(ibuf, si.bufferram, 1024);
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printf("%-16s %s\n", "bufferram", ibuf);
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FormatMemorySize(ibuf, si.totalswap, 1024);
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sizefmt(ibuf, si.totalswap, 1024);
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printf("%-16s %s\n", "totalswap", ibuf);
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FormatMemorySize(ibuf, si.freeswap, 1024);
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sizefmt(ibuf, si.freeswap, 1024);
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printf("%-16s %s\n", "freeswap", ibuf);
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printf("%-16s %lu\n", "processes", si.procs);
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FormatMemorySize(ibuf, si.totalhigh, 1024);
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sizefmt(ibuf, si.totalhigh, 1024);
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printf("%-16s %s\n", "totalhigh", ibuf);
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FormatMemorySize(ibuf, si.freehigh, 1024);
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sizefmt(ibuf, si.freehigh, 1024);
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printf("%-16s %s\n", "freehigh", ibuf);
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FormatMemorySize(ibuf, si.mem_unit, 1024);
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sizefmt(ibuf, si.mem_unit, 1024);
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printf("%-16s %s\n", "mem_unit", ibuf);
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//
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