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

//go:build (linux && 386) || (linux && amd64) || (linux && arm) || (linux && arm64) || (linux && loong64) || (linux && ppc64le) || (linux && riscv64)

package sqlite3

import (
	"unsafe"

	"modernc.org/libc"
)

// C documentation
//
//	/*
//	** Open a new database handle.
//	*/
func Xsqlite3_open16(tls *libc.TLS, zFilename uintptr, ppDb uintptr) (r int32) {
	var pVal, zFilename8 uintptr
	var rc int32
	var v1 Tu8
	_, _, _, _ = pVal, rc, zFilename8, v1
	**(**uintptr)(__ccgo_up(ppDb)) = uintptr(0)
	rc = Xsqlite3_initialize(tls)
	if rc != 0 {
		return rc
	}
	if zFilename == uintptr(0) {
		zFilename = __ccgo_ts + 26292
	}
	pVal = _sqlite3ValueNew(tls, uintptr(0))
	_sqlite3ValueSetStr(tls, pVal, -int32(1), zFilename, uint8(SQLITE_UTF16LE), libc.UintptrFromInt32(0))
	zFilename8 = _sqlite3ValueText(tls, pVal, uint8(SQLITE_UTF8))
	if zFilename8 != 0 {
		rc = _openDatabase(tls, zFilename8, ppDb, libc.Uint32FromInt32(libc.Int32FromInt32(SQLITE_OPEN_READWRITE)|libc.Int32FromInt32(SQLITE_OPEN_CREATE)), uintptr(0))
		if rc == SQLITE_OK && !(libc.Int32FromUint16((*TSchema)(unsafe.Pointer((**(**TDb)(__ccgo_up((*Tsqlite3)(unsafe.Pointer(**(**uintptr)(__ccgo_up(ppDb)))).FaDb))).FpSchema)).FschemaFlags)&libc.Int32FromInt32(DB_SchemaLoaded) == libc.Int32FromInt32(DB_SchemaLoaded)) {
			v1 = libc.Uint8FromInt32(SQLITE_UTF16LE)
			(*Tsqlite3)(unsafe.Pointer(**(**uintptr)(__ccgo_up(ppDb)))).Fenc = v1
			(*TSchema)(unsafe.Pointer((**(**TDb)(__ccgo_up((*Tsqlite3)(unsafe.Pointer(**(**uintptr)(__ccgo_up(ppDb)))).FaDb))).FpSchema)).Fenc = v1
		}
	} else {
		rc = int32(SQLITE_NOMEM)
	}
	_sqlite3ValueFree(tls, pVal)
	return rc & int32(0xff)
}

const __BYTE_ORDER = 1234

const __GNUC_WIDE_EXECUTION_CHARSET_NAME = "UTF-32LE"

// C documentation
//
//	/*
//	** Attempt to parse the given string into a julian day number.  Return
//	** the number of errors.
//	**
//	** The following are acceptable forms for the input string:
//	**
//	**      YYYY-MM-DD HH:MM:SS.FFF  +/-HH:MM
//	**      DDDD.DD
//	**      now
//	**
//	** In the first form, the +/-HH:MM is always optional.  The fractional
//	** seconds extension (the ".FFF") is optional.  The seconds portion
//	** (":SS.FFF") is option.  The year and date can be omitted as long
//	** as there is a time string.  The time string can be omitted as long
//	** as there is a year and date.
//	*/
func _parseDateOrTime(tls *libc.TLS, context uintptr, zDate uintptr, p uintptr) (r int32) {
	bp := tls.Alloc(16)
	defer tls.Free(16)
	var _ /* r at bp+0 */ float64
	if _parseYyyyMmDd(tls, zDate, p) == 0 {
		return 0
	} else {
		if _parseHhMmSs(tls, zDate, p) == 0 {
			return 0
		} else {
			if _sqlite3StrICmp(tls, zDate, __ccgo_ts+1228) == 0 && _sqlite3NotPureFunc(tls, context) != 0 {
				return _setDateTimeToCurrent(tls, context, p)
			} else {
				if _sqlite3AtoF(tls, zDate, bp) > 0 {
					_setRawDateNumber(tls, p, **(**float64)(__ccgo_up(bp)))
					return 0
				} else {
					if (_sqlite3StrICmp(tls, zDate, __ccgo_ts+1232) == 0 || _sqlite3StrICmp(tls, zDate, __ccgo_ts+1239) == 0) && _sqlite3NotPureFunc(tls, context) != 0 {
						libc.SetBitFieldPtr8Uint32(p+44, libc.Uint32FromInt32(1), 2, 0x4)
						return _setDateTimeToCurrent(tls, context, p)
					}
				}
			}
		}
	}
	return int32(1)
}

/* The julian day number for 9999-12-31 23:59:59.999 is 5373484.4999999.
** Multiplying this by 86400000 gives 464269060799999 as the maximum value
** for DateTime.iJD.
**
** But some older compilers (ex: gcc 4.2.1 on older Macs) cannot deal with
** such a large integer literal, so we have to encode it.
 */