Maven/vendor/modernc.org/sqlite/lib/sqlite_g_00000000000028c0.go

// Code generated by modernc.org/undup from the per-target sqlite_*.go files; DO NOT EDIT.

//go:build (linux && 386) || (linux && amd64) || (linux && ppc64le) || (linux && s390x)

package sqlite3

import (
	"unsafe"

	"modernc.org/libc"
)

// C documentation
//
//	/*
//	** Find the mode, uid and gid of file zFile.
//	*/
func _getFileMode(tls *libc.TLS, zFile uintptr, pMode uintptr, pUid uintptr, pGid uintptr) (r int32) {
	bp := tls.Alloc(144)
	defer tls.Free(144)
	var rc int32
	var _ /* sStat at bp+0 */ Tstat
	_ = rc /* Output of stat() on database file */
	rc = SQLITE_OK
	if 0 == (*(*func(*libc.TLS, uintptr, uintptr) int32)(unsafe.Pointer(&struct{ uintptr }{_aSyscall[int32(4)].FpCurrent})))(tls, zFile, bp) {
		**(**Tmode_t)(__ccgo_up(pMode)) = (**(**Tstat)(__ccgo_up(bp))).Fst_mode & uint32(0777)
		**(**Tuid_t)(__ccgo_up(pUid)) = (**(**Tstat)(__ccgo_up(bp))).Fst_uid
		**(**Tgid_t)(__ccgo_up(pGid)) = (**(**Tstat)(__ccgo_up(bp))).Fst_gid
	} else {
		rc = libc.Int32FromInt32(SQLITE_IOERR) | libc.Int32FromInt32(7)<<libc.Int32FromInt32(8)
	}
	return rc
}

// C documentation
//
//	/*
//	** Invoke open().  Do so multiple times, until it either succeeds or
//	** fails for some reason other than EINTR.
//	**
//	** If the file creation mode "m" is 0 then set it to the default for
//	** SQLite.  The default is SQLITE_DEFAULT_FILE_PERMISSIONS (normally
//	** 0644) as modified by the system umask.  If m is not 0, then
//	** make the file creation mode be exactly m ignoring the umask.
//	**
//	** The m parameter will be non-zero only when creating -wal, -journal,
//	** and -shm files.  We want those files to have *exactly* the same
//	** permissions as their original database, unadulterated by the umask.
//	** In that way, if a database file is -rw-rw-rw or -rw-rw-r-, and a
//	** transaction crashes and leaves behind hot journals, then any
//	** process that is able to write to the database will also be able to
//	** recover the hot journals.
//	*/
func _robust_open(tls *libc.TLS, z uintptr, f int32, m Tmode_t) (r int32) {
	bp := tls.Alloc(176)
	defer tls.Free(176)
	var fd int32
	var m2 Tmode_t
	var v1 uint32
	var _ /* statbuf at bp+0 */ Tstat
	_, _, _ = fd, m2, v1
	if m != 0 {
		v1 = m
	} else {
		v1 = uint32(SQLITE_DEFAULT_FILE_PERMISSIONS)
	}
	m2 = v1
	for int32(1) != 0 {
		fd = (*(*func(*libc.TLS, uintptr, int32, int32) int32)(unsafe.Pointer(&struct{ uintptr }{_aSyscall[0].FpCurrent})))(tls, z, f|int32(O_CLOEXEC), libc.Int32FromUint32(m2))
		if fd < 0 {
			if **(**int32)(__ccgo_up(libc.X__errno_location(tls))) == int32(EINTR) {
				continue
			}
			break
		}
		if fd >= int32(SQLITE_MINIMUM_FILE_DESCRIPTOR) {
			break
		}
		if f&(libc.Int32FromInt32(O_EXCL)|libc.Int32FromInt32(O_CREAT)) == libc.Int32FromInt32(O_EXCL)|libc.Int32FromInt32(O_CREAT) {
			(*(*func(*libc.TLS, uintptr) int32)(unsafe.Pointer(&struct{ uintptr }{_aSyscall[int32(16)].FpCurrent})))(tls, z)
		}
		(*(*func(*libc.TLS, int32) int32)(unsafe.Pointer(&struct{ uintptr }{_aSyscall[int32(1)].FpCurrent})))(tls, fd)
		Xsqlite3_log(tls, int32(SQLITE_WARNING), __ccgo_ts+3752, libc.VaList(bp+152, z, fd))
		fd = -int32(1)
		if (*(*func(*libc.TLS, uintptr, int32, int32) int32)(unsafe.Pointer(&struct{ uintptr }{_aSyscall[0].FpCurrent})))(tls, __ccgo_ts+3795, O_RDONLY, libc.Int32FromUint32(m)) < 0 {
			break
		}
	}
	if fd >= 0 {
		if m != uint32(0) {
			if (*(*func(*libc.TLS, int32, uintptr) int32)(unsafe.Pointer(&struct{ uintptr }{_aSyscall[int32(5)].FpCurrent})))(tls, fd, bp) == 0 && (**(**Tstat)(__ccgo_up(bp))).Fst_size == 0 && (**(**Tstat)(__ccgo_up(bp))).Fst_mode&uint32(0777) != m {
				(*(*func(*libc.TLS, int32, Tmode_t) int32)(unsafe.Pointer(&struct{ uintptr }{_aSyscall[int32(14)].FpCurrent})))(tls, fd, m)
			}
		}
	}
	return fd
}

// C documentation
//
//	/*
//	** Test the existence of or access permissions of file zPath. The
//	** test performed depends on the value of flags:
//	**
//	**     SQLITE_ACCESS_EXISTS: Return 1 if the file exists
//	**     SQLITE_ACCESS_READWRITE: Return 1 if the file is read and writable.
//	**     SQLITE_ACCESS_READONLY: Return 1 if the file is readable.
//	**
//	** Otherwise return 0.
//	*/
func _unixAccess(tls *libc.TLS, NotUsed uintptr, zPath uintptr, flags int32, pResOut uintptr) (r int32) {
	bp := tls.Alloc(144)
	defer tls.Free(144)
	var _ /* buf at bp+0 */ Tstat
	_ = NotUsed
	/* The spec says there are three possible values for flags.  But only
	 ** two of them are actually used */
	if flags == SQLITE_ACCESS_EXISTS {
		**(**int32)(__ccgo_up(pResOut)) = libc.BoolInt32(0 == (*(*func(*libc.TLS, uintptr, uintptr) int32)(unsafe.Pointer(&struct{ uintptr }{_aSyscall[int32(4)].FpCurrent})))(tls, zPath, bp) && (!((**(**Tstat)(__ccgo_up(bp))).Fst_mode&libc.Uint32FromInt32(S_IFMT) == libc.Uint32FromInt32(S_IFREG)) || (**(**Tstat)(__ccgo_up(bp))).Fst_size > 0))
	} else {
		**(**int32)(__ccgo_up(pResOut)) = libc.BoolInt32((*(*func(*libc.TLS, uintptr, int32) int32)(unsafe.Pointer(&struct{ uintptr }{_aSyscall[int32(2)].FpCurrent})))(tls, zPath, libc.Int32FromInt32(W_OK)|libc.Int32FromInt32(R_OK)) == 0)
	}
	return SQLITE_OK
}