Add lchown, lchmod, statvfs, fstatvfs

libc/calls/calls.h

@@ -122,6 +122,8 @@ int ioprio_set(int, int, int);
 int issetugid(void);
 int kill(int, int);
 int killpg(int, int);
+int lchmod(const char *, uint32_t);
+int lchown(const char *, uint32_t, uint32_t);
 int link(const char *, const char *) dontthrow;
 int linkat(int, const char *, int, const char *, int);
 int madvise(void *, uint64_t, int);

libc/calls/calls.mk

@@ -177,7 +177,8 @@ o//libc/calls/fcntl.o: private				\
 #   it's early runtime mandatory and quite huge without it
 o//libc/calls/getcwd.greg.o				\
 o//libc/calls/getcwd-nt.greg.o				\
-o//libc/calls/getcwd-xnu.greg.o: private		\
+o//libc/calls/getcwd-xnu.greg.o				\
+o//libc/calls/statfs2cosmo.o: private			\
 		OVERRIDE_CFLAGS +=			\
 			-Os
 

libc/calls/fstatfs-nt.c

@@ -18,6 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/calls.h"
 #include "libc/calls/internal.h"
+#include "libc/calls/struct/fsid.h"
 #include "libc/calls/struct/statfs.h"
 #include "libc/calls/struct/statfs.internal.h"
 #include "libc/calls/syscall_support-nt.internal.h"
@@ -69,7 +70,7 @@ textwindows int sys_fstatfs_nt(int64_t handle, struct statfs *f) {
   }
   f->f_fstypename[j] = 0;
   f->f_type = h;
-  f->f_fsid = VolumeSerialNumber;
+  f->f_fsid = (fsid_t){{VolumeSerialNumber}};
   f->f_flags = FileSystemFlags;
   f->f_bsize = fs.BytesPerSector;
   f->f_bsize *= fs.SectorsPerAllocationUnit;

libc/calls/fstatfs.c

@@ -27,6 +27,7 @@
 
 /**
  * Returns information about filesystem.
+ * @return 0 on success, or -1 w/ errno
  */
 int fstatfs(int fd, struct statfs *sf) {
   int rc;

libc/calls/fstatvfs.c

@@ -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/struct/statfs.h"
+#include "libc/calls/struct/statfs.internal.h"
+#include "libc/calls/struct/statvfs.h"
+
+/**
+ * Returns information about filesystem.
+ * @return 0 on success, or -1 w/ errno
+ * @note consider using fstatfs()
+ */
+int fstatvfs(int fd, struct statvfs *sv) {
+  struct statfs sf;
+  if (fstatfs(fd, &sf) != -1) {
+    statfs2statvfs(sv, &sf);
+    return 0;
+  } else {
+    return -1;
+  }
+}

libc/calls/lchmod.c

@@ -0,0 +1,34 @@
+/*-*- 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/sysv/consts/at.h"
+
+/**
+ * Changes mode of pathname, w/o dereferencing symlinks.
+ *
+ * @param uid is user id, or -1u to not change
+ * @param gid is group id, or -1u to not change
+ * @return 0 on success, or -1 w/ errno
+ * @see chown() which dereferences symbolic links
+ * @see /etc/passwd for user ids
+ * @see /etc/group for group ids
+ */
+int lchmod(const char *pathname, uint32_t mode) {
+  return fchmodat(AT_FDCWD, pathname, mode, AT_SYMLINK_NOFOLLOW);
+}

libc/calls/statfs.c

@@ -28,6 +28,7 @@
 
 /**
  * Returns information about filesystem.
+ * @return 0 on success, or -1 w/ errno
  */
 int statfs(const char *path, struct statfs *sf) {
   int rc;

libc/calls/statfs2cosmo.c

@@ -197,7 +197,7 @@ void statfs2cosmo(struct statfs *f, const union statfs_meta *m) {
   int64_t f_bavail;
   int64_t f_files;
   int64_t f_ffree;
-  int64_t f_fsid;
+  fsid_t f_fsid;
   int64_t f_namelen;
   int64_t f_frsize;
   int64_t f_flags;
@@ -217,6 +217,7 @@ void statfs2cosmo(struct statfs *f, const union statfs_meta *m) {
     f_frsize = m->linux.f_frsize;
     f_flags = m->linux.f_flags;
     f_owner = 0;
+    bzero(f_fstypename, 16);
     strcpy(f_fstypename, DescribeStatfsTypeLinux(m->linux.f_type));
 
   } else if (IsFreebsd()) {
@@ -232,7 +233,7 @@ void statfs2cosmo(struct statfs *f, const union statfs_meta *m) {
     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);
+    memcpy(f_fstypename, m->freebsd.f_fstypename, 16);
 
   } else if (IsXnu()) {
     f_type = m->xnu.f_type;
@@ -247,7 +248,7 @@ void statfs2cosmo(struct statfs *f, const union statfs_meta *m) {
     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);
+    memcpy(f_fstypename, m->xnu.f_fstypename, 16);
 
   } else if (IsOpenbsd()) {
     f_type = f->f_type;
@@ -262,7 +263,7 @@ void statfs2cosmo(struct statfs *f, const union statfs_meta *m) {
     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);
+    memcpy(f_fstypename, m->openbsd.f_fstypename, 16);
 
   } else if (IsNetbsd()) {
     f_type = m->netbsd.f_type;
@@ -277,7 +278,7 @@ void statfs2cosmo(struct statfs *f, const union statfs_meta *m) {
     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);
+    memcpy(f_fstypename, m->netbsd.f_fstypename, 16);
 
   } else {
     asm("hlt");
@@ -295,5 +296,5 @@ void statfs2cosmo(struct statfs *f, const union statfs_meta *m) {
   f->f_namelen = f_namelen;
   f->f_frsize = f_frsize;
   f->f_flags = f_flags;
-  strcpy(f->f_fstypename, f_fstypename);
+  memcpy(f->f_fstypename, f_fstypename, 16);
 }

libc/calls/statfs2statvfs.c

@@ -0,0 +1,36 @@
+/*-*- 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.h"
+#include "libc/calls/struct/statvfs.h"
+#include "libc/str/str.h"
+
+void statfs2statvfs(struct statvfs *sv, const struct statfs *sf) {
+  bzero(sv, sizeof(*sv));
+  sv->f_bsize = sf->f_bsize;
+  sv->f_frsize = sf->f_frsize ? sf->f_frsize : sf->f_bsize;
+  sv->f_blocks = sf->f_blocks;
+  sv->f_bfree = sf->f_bfree;
+  sv->f_bavail = sf->f_bavail;
+  sv->f_files = sf->f_files;
+  sv->f_ffree = sf->f_ffree;
+  sv->f_favail = sf->f_ffree;
+  sv->f_fsid = sf->f_fsid.__val[0];
+  sv->f_flag = sf->f_flags;
+  sv->f_namemax = sf->f_namelen;
+}

libc/calls/statvfs.c

@@ -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/struct/statfs.h"
+#include "libc/calls/struct/statfs.internal.h"
+#include "libc/calls/struct/statvfs.h"
+
+/**
+ * Returns information about filesystem.
+ * @return 0 on success, or -1 w/ errno
+ * @note consider using statfs()
+ */
+int statvfs(const char *path, struct statvfs *sv) {
+  struct statfs sf;
+  if (statfs(path, &sf) != -1) {
+    statfs2statvfs(sv, &sf);
+    return 0;
+  } else {
+    return -1;
+  }
+}

libc/calls/struct/fsid.h

@@ -0,0 +1,12 @@
+#ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_FSID_H_
+#define COSMOPOLITAN_LIBC_CALLS_STRUCT_FSID_H_
+#if !(__ASSEMBLER__ + __LINKER__ + 0)
+COSMOPOLITAN_C_START_
+
+typedef struct fsid_t {
+  uint32_t __val[2];
+} fsid_t;
+
+COSMOPOLITAN_C_END_
+#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
+#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_FSID_H_ */

libc/calls/struct/statfs-freebsd.internal.h

@@ -1,5 +1,6 @@
 #ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_FREEBSD_INTERNAL_H_
 #define COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_FREEBSD_INTERNAL_H_
+#include "libc/calls/struct/fsid.h"
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 COSMOPOLITAN_C_START_
 
@@ -21,7 +22,7 @@ struct statfs_freebsd {
   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) */
+  fsid_t f_fsid;            /* filesystem id */
   char f_charspare[80];     /* spare string space */
   char f_fstypename[16];    /* filesystem type name */
   char f_mntfromname[1024]; /* mounted filesystem */

libc/calls/struct/statfs-linux.internal.h

@@ -1,5 +1,6 @@
 #ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_LINUX_INTERNAL_H_
 #define COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_LINUX_INTERNAL_H_
+#include "libc/calls/struct/fsid.h"
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 COSMOPOLITAN_C_START_
 
@@ -11,7 +12,7 @@ struct statfs_linux {
   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 */
+  fsid_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 */

libc/calls/struct/statfs-netbsd.internal.h

@@ -1,5 +1,6 @@
 #ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_NETBSD_H_
 #define COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_NETBSD_H_
+#include "libc/calls/struct/fsid.h"
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 COSMOPOLITAN_C_START_
 
@@ -13,7 +14,7 @@ struct statfs_netbsd {
   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) */
+  fsid_t f_fsid;          /* file system id */
   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 */

libc/calls/struct/statfs-openbsd.internal.h

@@ -1,5 +1,6 @@
 #ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_OPENBSD_H_
 #define COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_OPENBSD_H_
+#include "libc/calls/struct/fsid.h"
 #include "libc/sock/struct/sockaddr.h"
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 COSMOPOLITAN_C_START_
@@ -119,7 +120,7 @@ struct statfs_openbsd {
   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) */
+  fsid_t f_fsid;                       /* file system id */
   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 */

libc/calls/struct/statfs-xnu.internal.h

@@ -1,5 +1,6 @@
 #ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_XNU_INTERNAL_H_
 #define COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_XNU_INTERNAL_H_
+#include "libc/calls/struct/fsid.h"
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 COSMOPOLITAN_C_START_
 
@@ -11,7 +12,7 @@ struct statfs_xnu {
   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) */
+  fsid_t f_fsid;            /* file system id */
   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 */

libc/calls/struct/statfs.h

@@ -1,5 +1,6 @@
 #ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_H_
 #define COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_H_
+#include "libc/calls/struct/fsid.h"
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 COSMOPOLITAN_C_START_
 
@@ -11,7 +12,7 @@ struct statfs {       /* cosmo abi */
   int64_t f_bavail;   /* free blocks available to unprivileged users */
   int64_t f_files;    /* total file nodes in filesystem */
   int64_t f_ffree;    /* free file nodes in filesystem */
-  int64_t f_fsid;     /* filesystem id */
+  fsid_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 */

libc/calls/struct/statfs.internal.h

@@ -2,6 +2,7 @@
 #define COSMOPOLITAN_LIBC_CALLS_STRUCT_STATFS_INTERNAL_H_
 #include "libc/calls/struct/statfs-meta.internal.h"
 #include "libc/calls/struct/statfs.h"
+#include "libc/calls/struct/statvfs.h"
 #include "libc/mem/alloca.h"
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 COSMOPOLITAN_C_START_
@@ -10,6 +11,7 @@ int sys_statfs(const char *, union statfs_meta *);
 int sys_fstatfs(int, union statfs_meta *);
 int sys_fstatfs_nt(int64_t, struct statfs *);
 int sys_statfs_nt(const char *, struct statfs *);
+void statfs2statvfs(struct statvfs *, const struct statfs *);
 
 const char *DescribeStatfs(char[300], int, const struct statfs *);
 #define DescribeStatfs(rc, sf) DescribeStatfs(alloca(300), rc, sf)

libc/calls/struct/statvfs.h

@@ -0,0 +1,25 @@
+#ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_STATVFS_H_
+#define COSMOPOLITAN_LIBC_CALLS_STRUCT_STATVFS_H_
+#if !(__ASSEMBLER__ + __LINKER__ + 0)
+COSMOPOLITAN_C_START_
+
+struct statvfs {
+  unsigned long f_bsize;   /* Filesystem block size */
+  unsigned long f_frsize;  /* Fragment size */
+  uint64_t f_blocks;       /* Size of fs in f_frsize units */
+  uint64_t f_bfree;        /* Number of free blocks */
+  uint64_t f_bavail;       /* Number of free blocks for unprivileged users */
+  uint64_t f_files;        /* Number of inodes */
+  uint64_t f_ffree;        /* Number of free inodes */
+  uint64_t f_favail;       /* Number of free inodes for unprivileged users */
+  unsigned long f_fsid;    /* Filesystem ID */
+  unsigned long f_flag;    /* Mount flags */
+  unsigned long f_namemax; /* Maximum filename length */
+};
+
+int statvfs(const char *, struct statvfs *);
+int fstatvfs(int, struct statvfs *);
+
+COSMOPOLITAN_C_END_
+#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
+#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_STATVFS_H_ */

libc/calls/sysparam.h

@@ -4,7 +4,7 @@
 #define MAXSYMLINKS    20
 #define MAXHOSTNAMELEN 64
 #define MAXNAMLEN      255
-#define MAXPATHLEN     4096
+#define MAXPATHLEN     PATH_MAX
 #define NBBY           8
 #define NGROUPS        32
 #define CANBSIZ        255

libc/stdio/stdio.h

@@ -7,6 +7,7 @@
 #define L_ctermid    20
 #define FILENAME_MAX PATH_MAX
 #define FOPEN_MAX    1000
+#define TMP_MAX      10000
 
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 COSMOPOLITAN_C_START_

third_party/lua/lunix.c

@@ -2237,9 +2237,12 @@ static int LuaUnixStatfsFfree(lua_State *L) {
 }
 
 // unix.Statfs:fsid()
-//     └─→ fsid:int
+//     └─→ x:int, y:int
 static int LuaUnixStatfsFsid(lua_State *L) {
-  return ReturnInteger(L, GetUnixStatfs(L)->f_fsid);
+  struct statfs *f = GetUnixStatfs(L);
+  lua_pushinteger(L, f->f_fsid.__val[0]);
+  lua_pushinteger(L, f->f_fsid.__val[1]);
+  return 2;
 }
 
 // unix.Statfs:namelen()
@@ -2314,10 +2317,14 @@ static int LuaUnixStatfsToString(lua_State *L) {
     FormatInt64(ibuf, f->f_ffree);
     luaL_addstring(&b, ibuf);
   }
-  if (f->f_fsid) {
-    luaL_addstring(&b, ", fsid=");
-    FormatUint64(ibuf, f->f_fsid);
+  if (f->f_fsid.__val[0] || f->f_fsid.__val[1]) {
+    luaL_addstring(&b, ", fsid={");
+    FormatUint64(ibuf, f->f_fsid.__val[0]);
     luaL_addstring(&b, ibuf);
+    luaL_addstring(&b, ", ");
+    FormatUint64(ibuf, f->f_fsid.__val[1]);
+    luaL_addstring(&b, ibuf);
+    luaL_addstring(&b, "}");
   }
   if (f->f_namelen) {
     luaL_addstring(&b, ", namelen=");

third_party/python/Modules/posixmodule.c

@@ -13,12 +13,14 @@
 #include "libc/calls/struct/iovec.h"
 #include "libc/calls/struct/sched_param.h"
 #include "libc/calls/struct/stat.macros.h"
+#include "libc/calls/struct/statvfs.h"
 #include "libc/calls/struct/timespec.h"
 #include "libc/calls/struct/timeval.h"
 #include "libc/calls/struct/tms.h"
 #include "libc/calls/struct/utsname.h"
 #include "libc/calls/struct/winsize.h"
 #include "libc/calls/syscall-sysv.internal.h"
+#include "libc/calls/sysparam.h"
 #include "libc/calls/termios.h"
 #include "libc/calls/weirdtypes.h"
 #include "libc/dce.h"
@@ -49,6 +51,7 @@
 #include "libc/sysv/consts/prio.h"
 #include "libc/sysv/consts/s.h"
 #include "libc/sysv/consts/sched.h"
+#include "libc/sysv/consts/seek.h"
 #include "libc/sysv/consts/sf.h"
 #include "libc/sysv/consts/sicode.h"
 #include "libc/sysv/consts/st.h"
@@ -122,14 +125,6 @@ module os
 
 #define NAMLEN(dirent) strlen((dirent)->d_name)
 
-#ifndef MAXPATHLEN
-#if defined(PATH_MAX) && PATH_MAX > 1024 /* TODO: wut? */
-#define MAXPATHLEN PATH_MAX
-#else
-#define MAXPATHLEN 1024
-#endif
-#endif /* MAXPATHLEN */
-
 #ifdef UNION_WAIT
 /* Emulate some macros on systems that have a union instead of macros */
 

third_party/python/pyconfig.h

@@ -142,8 +142,8 @@
 #define HAVE_FSYNC         1
 #define HAVE_GETENTROPY    1
 #define HAVE_GETLOADAVG    1
+#define HAVE_FSTATVFS      1
 /* #undef HAVE_FEXECVE */
-/* #undef HAVE_FSTATVFS */
 /* #undef HAVE_FTIME */
 /* #define HAVE_GETGROUPS    1 */
 /* #define HAVE_SETGROUPS    1 */
@@ -205,8 +205,8 @@
 
 #define HAVE_GETLOGIN 1
 #define HAVE_LCHOWN   1
+#define HAVE_LCHMOD   1
 /* #undef HAVE_LCHFLAGS */
-/* #undef HAVE_LCHMOD */
 
 /* Define to 1 if you have the `dl' library (-ldl). */
 /* #undef HAVE_LIBDL */
@@ -311,6 +311,7 @@
 #define HAVE_WAIT3            1
 #define HAVE_WAIT4            1
 #define HAVE_WAITPID          1
+#define HAVE_STATVFS          1
 
 /* #define HAVE_MREMAP 1 */
 /* #undef HAVE_PLOCK */
@@ -320,7 +321,6 @@
 /* #undef HAVE_TMPNAM */
 /* #undef HAVE_TMPNAM_R */
 /* #undef HAVE_SETPGRP */
-/* #undef HAVE_STATVFS */
 /* #undef HAVE_STAT_TV_NSEC2 */
 /* #undef HAVE_SIGPENDING */
 /* #undef HAVE_SIGRELSE */
@@ -513,7 +513,7 @@
 /* #define _Py_MEMORY_SANITIZER */
 
 /* #define HAVE_DEV_PTMX 1 */
-/* #define HAVE_OPENPTY 1 */
+/* #define HAVE_OPENPTY  1 */
 /* #undef HAVE__GETPTY */
 /* #undef HAVE_DEV_PTC */
 /* #define HAVE_FORKPTY 1 */