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

//go:build (darwin && amd64) || (darwin && arm64) || (freebsd && amd64)

package sqlite3

import (
	"unsafe"

	"modernc.org/libc"
)

// C documentation
//
//	/*
//	** Execute SQL code.  Return one of the SQLITE_ success/failure
//	** codes.  Also write an error message into memory obtained from
//	** malloc() and make *pzErrMsg point to that message.
//	**
//	** If the SQL is a query, then for each row in the query result
//	** the xCallback() function is called.  pArg becomes the first
//	** argument to xCallback().  If xCallback=NULL then no callback
//	** is invoked, even for queries.
//	*/
func Xsqlite3_exec(tls *libc.TLS, db uintptr, zSql uintptr, __ccgo_fp_xCallback Tsqlite3_callback, pArg uintptr, pzErrMsg uintptr) (r int32) {
	bp := tls.Alloc(16)
	defer tls.Free(16)
	var azCols, azVals uintptr
	var callbackIsInit, i, nCol, rc int32
	var _ /* pStmt at bp+8 */ uintptr
	var _ /* zLeftover at bp+0 */ uintptr
	_, _, _, _, _, _ = azCols, azVals, callbackIsInit, i, nCol, rc
	rc = SQLITE_OK                                /* Tail of unprocessed SQL */
	**(**uintptr)(__ccgo_up(bp + 8)) = uintptr(0) /* The current SQL statement */
	azCols = uintptr(0)                           /* True if callback data is initialized */
	if !(_sqlite3SafetyCheckOk(tls, db) != 0) {
		return _sqlite3MisuseError(tls, int32(142334))
	}
	if zSql == uintptr(0) {
		zSql = __ccgo_ts + 1702
	}
	Xsqlite3_mutex_enter(tls, (*Tsqlite3)(unsafe.Pointer(db)).Fmutex)
	_sqlite3Error(tls, db, SQLITE_OK)
	for rc == SQLITE_OK && **(**int8)(__ccgo_up(zSql)) != 0 {
		nCol = 0
		azVals = uintptr(0)
		**(**uintptr)(__ccgo_up(bp + 8)) = uintptr(0)
		rc = Xsqlite3_prepare_v2(tls, db, zSql, -int32(1), bp+8, bp)
		if rc != SQLITE_OK {
			continue
		}
		if !(**(**uintptr)(__ccgo_up(bp + 8)) != 0) {
			/* this happens for a comment or white-space */
			zSql = **(**uintptr)(__ccgo_up(bp))
			continue
		}
		callbackIsInit = 0
		for int32(1) != 0 {
			rc = Xsqlite3_step(tls, **(**uintptr)(__ccgo_up(bp + 8)))
			/* Invoke the callback function if required */
			if __ccgo_fp_xCallback != 0 && (int32(SQLITE_ROW) == rc || int32(SQLITE_DONE) == rc && !(callbackIsInit != 0) && (*Tsqlite3)(unsafe.Pointer(db)).Fflags&uint64(SQLITE_NullCallback) != 0) {
				if !(callbackIsInit != 0) {
					nCol = Xsqlite3_column_count(tls, **(**uintptr)(__ccgo_up(bp + 8)))
					azCols = _sqlite3DbMallocRaw(tls, db, uint64(libc.Uint64FromInt32(libc.Int32FromInt32(2)*nCol+libc.Int32FromInt32(1))*uint64(8)))
					if azCols == uintptr(0) {
						goto exec_out
					}
					i = 0
					for {
						if !(i < nCol) {
							break
						}
						**(**uintptr)(__ccgo_up(azCols + uintptr(i)*8)) = Xsqlite3_column_name(tls, **(**uintptr)(__ccgo_up(bp + 8)), i)
						/* sqlite3VdbeSetColName() installs column names as UTF8
						 ** strings so there is no way for sqlite3_column_name() to fail. */
						goto _1
					_1:
						;
						i = i + 1
					}
					callbackIsInit = int32(1)
				}
				if rc == int32(SQLITE_ROW) {
					azVals = azCols + uintptr(nCol)*8
					i = 0
					for {
						if !(i < nCol) {
							break
						}
						**(**uintptr)(__ccgo_up(azVals + uintptr(i)*8)) = Xsqlite3_column_text(tls, **(**uintptr)(__ccgo_up(bp + 8)), i)
						if !(**(**uintptr)(__ccgo_up(azVals + uintptr(i)*8)) != 0) && Xsqlite3_column_type(tls, **(**uintptr)(__ccgo_up(bp + 8)), i) != int32(SQLITE_NULL) {
							_sqlite3OomFault(tls, db)
							goto exec_out
						}
						goto _2
					_2:
						;
						i = i + 1
					}
					**(**uintptr)(__ccgo_up(azVals + uintptr(i)*8)) = uintptr(0)
				}
				if (*(*func(*libc.TLS, uintptr, int32, uintptr, uintptr) int32)(unsafe.Pointer(&struct{ uintptr }{__ccgo_fp_xCallback})))(tls, pArg, nCol, azVals, azCols) != 0 {
					/* EVIDENCE-OF: R-38229-40159 If the callback function to
					 ** sqlite3_exec() returns non-zero, then sqlite3_exec() will
					 ** return SQLITE_ABORT. */
					rc = int32(SQLITE_ABORT)
					_sqlite3VdbeFinalize(tls, **(**uintptr)(__ccgo_up(bp + 8)))
					**(**uintptr)(__ccgo_up(bp + 8)) = uintptr(0)
					_sqlite3Error(tls, db, int32(SQLITE_ABORT))
					goto exec_out
				}
			}
			if rc != int32(SQLITE_ROW) {
				rc = _sqlite3VdbeFinalize(tls, **(**uintptr)(__ccgo_up(bp + 8)))
				**(**uintptr)(__ccgo_up(bp + 8)) = uintptr(0)
				zSql = **(**uintptr)(__ccgo_up(bp))
				for libc.Int32FromUint8(_sqlite3CtypeMap[libc.Uint8FromInt8(**(**int8)(__ccgo_up(zSql)))])&int32(0x01) != 0 {
					zSql = zSql + 1
				}
				break
			}
		}
		_sqlite3DbFree(tls, db, azCols)
		azCols = uintptr(0)
	}
	goto exec_out
exec_out:
	;
	if **(**uintptr)(__ccgo_up(bp + 8)) != 0 {
		_sqlite3VdbeFinalize(tls, **(**uintptr)(__ccgo_up(bp + 8)))
	}
	_sqlite3DbFree(tls, db, azCols)
	rc = _sqlite3ApiExit(tls, db, rc)
	if rc != SQLITE_OK && pzErrMsg != 0 {
		**(**uintptr)(__ccgo_up(pzErrMsg)) = _sqlite3DbStrDup(tls, uintptr(0), Xsqlite3_errmsg(tls, db))
		if **(**uintptr)(__ccgo_up(pzErrMsg)) == uintptr(0) {
			rc = int32(SQLITE_NOMEM)
			_sqlite3Error(tls, db, int32(SQLITE_NOMEM))
		}
	} else {
		if pzErrMsg != 0 {
			**(**uintptr)(__ccgo_up(pzErrMsg)) = uintptr(0)
		}
	}
	Xsqlite3_mutex_leave(tls, (*Tsqlite3)(unsafe.Pointer(db)).Fmutex)
	return rc
}

func _fts5ConfigSkipLiteral(tls *libc.TLS, pIn uintptr) (r uintptr) {
	var p uintptr
	_ = p
	p = pIn
	switch int32(**(**int8)(__ccgo_up(p))) {
	case int32('n'):
		fallthrough
	case int32('N'):
		if Xsqlite3_strnicmp(tls, __ccgo_ts+1688, p, int32(4)) == 0 {
			p = p + 4
		} else {
			p = uintptr(0)
		}
	case int32('x'):
		fallthrough
	case int32('X'):
		p = p + 1
		if int32(**(**int8)(__ccgo_up(p))) == int32('\'') {
			p = p + 1
			for int32(**(**int8)(__ccgo_up(p))) >= int32('a') && int32(**(**int8)(__ccgo_up(p))) <= int32('f') || int32(**(**int8)(__ccgo_up(p))) >= int32('A') && int32(**(**int8)(__ccgo_up(p))) <= int32('F') || int32(**(**int8)(__ccgo_up(p))) >= int32('0') && int32(**(**int8)(__ccgo_up(p))) <= int32('9') {
				p = p + 1
			}
			if int32(**(**int8)(__ccgo_up(p))) == int32('\'') && 0 == (int64(p)-int64(pIn))%int64(2) {
				p = p + 1
			} else {
				p = uintptr(0)
			}
		} else {
			p = uintptr(0)
		}
	case int32('\''):
		p = p + 1
		for p != 0 {
			if int32(**(**int8)(__ccgo_up(p))) == int32('\'') {
				p = p + 1
				if int32(**(**int8)(__ccgo_up(p))) != int32('\'') {
					break
				}
			}
			p = p + 1
			if int32(**(**int8)(__ccgo_up(p))) == 0 {
				p = uintptr(0)
			}
		}
	default:
		/* maybe a number */
		if int32(**(**int8)(__ccgo_up(p))) == int32('+') || int32(**(**int8)(__ccgo_up(p))) == int32('-') {
			p = p + 1
		}
		for _fts5_isdigit(tls, **(**int8)(__ccgo_up(p))) != 0 {
			p = p + 1
		}
		/* At this point, if the literal was an integer, the parse is
		 ** finished. Or, if it is a floating point value, it may continue
		 ** with either a decimal point or an 'E' character. */
		if int32(**(**int8)(__ccgo_up(p))) == int32('.') && _fts5_isdigit(tls, **(**int8)(__ccgo_up(p + 1))) != 0 {
			p = p + uintptr(2)
			for _fts5_isdigit(tls, **(**int8)(__ccgo_up(p))) != 0 {
				p = p + 1
			}
		}
		if p == pIn {
			p = uintptr(0)
		}
		break
	}
	return p
}

// C documentation
//
//	/* c is a control character.  Append the canonical JSON representation
//	** of that control character to p.
//	**
//	** This routine assumes that the output buffer has already been enlarged
//	** sufficiently to hold the worst-case encoding plus a nul terminator.
//	*/
func _jsonAppendControlChar(tls *libc.TLS, p uintptr, c Tu8) {
	if _aSpecial[c] != 0 {
		**(**int8)(__ccgo_up((*TJsonString)(unsafe.Pointer(p)).FzBuf + uintptr((*TJsonString)(unsafe.Pointer(p)).FnUsed))) = int8('\\')
		**(**int8)(__ccgo_up((*TJsonString)(unsafe.Pointer(p)).FzBuf + uintptr((*TJsonString)(unsafe.Pointer(p)).FnUsed+uint64(1)))) = _aSpecial[c]
		**(**Tu64)(__ccgo_up(p + 24)) += uint64(2)
	} else {
		**(**int8)(__ccgo_up((*TJsonString)(unsafe.Pointer(p)).FzBuf + uintptr((*TJsonString)(unsafe.Pointer(p)).FnUsed))) = int8('\\')
		**(**int8)(__ccgo_up((*TJsonString)(unsafe.Pointer(p)).FzBuf + uintptr((*TJsonString)(unsafe.Pointer(p)).FnUsed+uint64(1)))) = int8('u')
		**(**int8)(__ccgo_up((*TJsonString)(unsafe.Pointer(p)).FzBuf + uintptr((*TJsonString)(unsafe.Pointer(p)).FnUsed+uint64(2)))) = int8('0')
		**(**int8)(__ccgo_up((*TJsonString)(unsafe.Pointer(p)).FzBuf + uintptr((*TJsonString)(unsafe.Pointer(p)).FnUsed+uint64(3)))) = int8('0')
		**(**int8)(__ccgo_up((*TJsonString)(unsafe.Pointer(p)).FzBuf + uintptr((*TJsonString)(unsafe.Pointer(p)).FnUsed+uint64(4)))) = **(**int8)(__ccgo_up(__ccgo_ts + 1724 + uintptr(libc.Int32FromUint8(c)>>int32(4))))
		**(**int8)(__ccgo_up((*TJsonString)(unsafe.Pointer(p)).FzBuf + uintptr((*TJsonString)(unsafe.Pointer(p)).FnUsed+uint64(5)))) = **(**int8)(__ccgo_up(__ccgo_ts + 1724 + uintptr(libc.Int32FromUint8(c)&int32(0xf))))
		**(**Tu64)(__ccgo_up(p + 24)) += uint64(6)
	}
}

// C documentation
//
//	/*
//	** Expression p is a QNUMBER (quoted number). Dequote the value in p->u.zToken
//	** and set the type to INTEGER or FLOAT. "Quoted" integers or floats are those
//	** that contain '_' characters that must be removed before further processing.
//	*/
func _sqlite3DequoteNumber(tls *libc.TLS, pParse uintptr, p uintptr) {
	bp := tls.Alloc(32)
	defer tls.Free(32)
	var bHex int32
	var pIn, pOut, v1, v3 uintptr
	var _ /* iValue at bp+0 */ int32
	_, _, _, _, _ = bHex, pIn, pOut, v1, v3
	if p != 0 {
		pIn = *(*uintptr)(unsafe.Pointer(p + 8))
		pOut = *(*uintptr)(unsafe.Pointer(p + 8))
		bHex = libc.BoolInt32(int32(**(**int8)(__ccgo_up(pIn))) == int32('0') && (int32(**(**int8)(__ccgo_up(pIn + 1))) == int32('x') || int32(**(**int8)(__ccgo_up(pIn + 1))) == int32('X')))
		(*TExpr)(unsafe.Pointer(p)).Fop = uint8(TK_INTEGER)
		for {
			if int32(**(**int8)(__ccgo_up(pIn))) != int32('_') {
				v3 = pOut
				pOut = pOut + 1
				**(**int8)(__ccgo_up(v3)) = **(**int8)(__ccgo_up(pIn))
				if int32(**(**int8)(__ccgo_up(pIn))) == int32('e') || int32(**(**int8)(__ccgo_up(pIn))) == int32('E') || int32(**(**int8)(__ccgo_up(pIn))) == int32('.') {
					(*TExpr)(unsafe.Pointer(p)).Fop = uint8(TK_FLOAT)
				}
			} else {
				if bHex == 0 && (!(libc.Int32FromUint8(_sqlite3CtypeMap[libc.Uint8FromInt8(**(**int8)(__ccgo_up(pIn + uintptr(-libc.Int32FromInt32(1)))))])&libc.Int32FromInt32(0x04) != 0) || !(libc.Int32FromUint8(_sqlite3CtypeMap[libc.Uint8FromInt8(**(**int8)(__ccgo_up(pIn + 1)))])&libc.Int32FromInt32(0x04) != 0)) || bHex == int32(1) && (!(libc.Int32FromUint8(_sqlite3CtypeMap[libc.Uint8FromInt8(**(**int8)(__ccgo_up(pIn + uintptr(-libc.Int32FromInt32(1)))))])&libc.Int32FromInt32(0x08) != 0) || !(libc.Int32FromUint8(_sqlite3CtypeMap[libc.Uint8FromInt8(**(**int8)(__ccgo_up(pIn + 1)))])&libc.Int32FromInt32(0x08) != 0)) {
					_sqlite3ErrorMsg(tls, pParse, __ccgo_ts+1788, libc.VaList(bp+16, *(*uintptr)(unsafe.Pointer(p + 8))))
				}
			}
			goto _2
		_2:
			;
			v1 = pIn
			pIn = pIn + 1
			if !(**(**int8)(__ccgo_up(v1)) != 0) {
				break
			}
		}
		if bHex != 0 {
			(*TExpr)(unsafe.Pointer(p)).Fop = uint8(TK_INTEGER)
		}
		/* tag-20240227-a: If after dequoting, the number is an integer that
		 ** fits in 32 bits, then it must be converted into EP_IntValue.  Other
		 ** parts of the code expect this.  See also tag-20240227-b. */
		if libc.Int32FromUint8((*TExpr)(unsafe.Pointer(p)).Fop) == int32(TK_INTEGER) && _sqlite3GetInt32(tls, *(*uintptr)(unsafe.Pointer(p + 8)), bp) != 0 {
			*(*int32)(unsafe.Pointer(&(*TExpr)(unsafe.Pointer(p)).Fu)) = **(**int32)(__ccgo_up(bp))
			**(**Tu32)(__ccgo_up(p + 4)) |= uint32(EP_IntValue)
		}
	}
}

// C documentation
//
//	/*
//	**    strftime( FORMAT, TIMESTRING, MOD, MOD, ...)
//	**
//	** Return a string described by FORMAT.  Conversions as follows:
//	**
//	**   %d  day of month  01-31
//	**   %e  day of month  1-31
//	**   %f  ** fractional seconds  SS.SSS
//	**   %F  ISO date.  YYYY-MM-DD
//	**   %G  ISO year corresponding to %V 0000-9999.
//	**   %g  2-digit ISO year corresponding to %V 00-99
//	**   %H  hour 00-24
//	**   %k  hour  0-24  (leading zero converted to space)
//	**   %I  hour 01-12
//	**   %j  day of year 001-366
//	**   %J  ** julian day number
//	**   %l  hour  1-12  (leading zero converted to space)
//	**   %m  month 01-12
//	**   %M  minute 00-59
//	**   %p  "AM" or "PM"
//	**   %P  "am" or "pm"
//	**   %R  time as HH:MM
//	**   %s  seconds since 1970-01-01
//	**   %S  seconds 00-59
//	**   %T  time as HH:MM:SS
//	**   %u  day of week 1-7  Monday==1, Sunday==7
//	**   %w  day of week 0-6  Sunday==0, Monday==1
//	**   %U  week of year 00-53  (First Sunday is start of week 01)
//	**   %V  week of year 01-53  (First week containing Thursday is week 01)
//	**   %W  week of year 00-53  (First Monday is start of week 01)
//	**   %Y  year 0000-9999
//	**   %%  %
//	*/
func _strftimeFunc(tls *libc.TLS, context uintptr, argc int32, argv uintptr) {
	bp := tls.Alloc(208)
	defer tls.Free(208)
	var c, cf int8
	var db, zFmt, v3 uintptr
	var h int32
	var i, j, v2 Tsize_t
	var iS Ti64
	var s float64
	var _ /* sRes at bp+48 */ Tsqlite3_str
	var _ /* x at bp+0 */ TDateTime
	var _ /* y at bp+128 */ TDateTime
	var _ /* y at bp+80 */ TDateTime
	_, _, _, _, _, _, _, _, _, _, _ = c, cf, db, h, i, iS, j, s, zFmt, v2, v3
	if argc == 0 {
		return
	}
	zFmt = Xsqlite3_value_text(tls, **(**uintptr)(__ccgo_up(argv)))
	if zFmt == uintptr(0) || _isDate(tls, context, argc-int32(1), argv+uintptr(1)*8, bp) != 0 {
		return
	}
	db = Xsqlite3_context_db_handle(tls, context)
	_sqlite3StrAccumInit(tls, bp+48, uintptr(0), uintptr(0), 0, **(**int32)(__ccgo_up(db + 136)))
	_computeJD(tls, bp)
	_computeYMD_HMS(tls, bp)
	v2 = libc.Uint64FromInt32(0)
	j = v2
	i = v2
	for {
		if !(**(**int8)(__ccgo_up(zFmt + uintptr(i))) != 0) {
			break
		}
		if int32(**(**int8)(__ccgo_up(zFmt + uintptr(i)))) != int32('%') {
			goto _1
		}
		if j < i {
			Xsqlite3_str_append(tls, bp+48, zFmt+uintptr(j), libc.Int32FromUint64(i-j))
		}
		i = i + 1
		j = i + uint64(1)
		cf = **(**int8)(__ccgo_up(zFmt + uintptr(i)))
		switch int32(cf) {
		case int32('d'): /* Fall thru */
			fallthrough
		case int32('e'):
			if int32(cf) == int32('d') {
				v3 = __ccgo_ts + 1389
			} else {
				v3 = __ccgo_ts + 1394
			}
			Xsqlite3_str_appendf(tls, bp+48, v3, libc.VaList(bp+184, (**(**TDateTime)(__ccgo_up(bp))).FD))
		case int32('f'): /* Fractional seconds.  (Non-standard) */
			s = (**(**TDateTime)(__ccgo_up(bp))).Fs
			if s > float64(59.999) {
				s = float64(59.999)
			}
			Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1398, libc.VaList(bp+184, s))
		case int32('F'):
			Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1405, libc.VaList(bp+184, (**(**TDateTime)(__ccgo_up(bp))).FY, (**(**TDateTime)(__ccgo_up(bp))).FM, (**(**TDateTime)(__ccgo_up(bp))).FD))
		case int32('G'): /* Fall thru */
			fallthrough
		case int32('g'):
			**(**TDateTime)(__ccgo_up(bp + 80)) = **(**TDateTime)(__ccgo_up(bp))
			/* Move y so that it is the Thursday in the same week as x */
			(**(**TDateTime)(__ccgo_up(bp + 80))).FiJD += int64((int32(3) - _daysAfterMonday(tls, bp)) * int32(86400000))
			(**(**TDateTime)(__ccgo_up(bp + 80))).FvalidYMD = 0
			_computeYMD(tls, bp+80)
			if int32(cf) == int32('g') {
				Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1389, libc.VaList(bp+184, (**(**TDateTime)(__ccgo_up(bp + 80))).FY%int32(100)))
			} else {
				Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1420, libc.VaList(bp+184, (**(**TDateTime)(__ccgo_up(bp + 80))).FY))
			}
		case int32('H'):
			fallthrough
		case int32('k'):
			if int32(cf) == int32('H') {
				v3 = __ccgo_ts + 1389
			} else {
				v3 = __ccgo_ts + 1394
			}
			Xsqlite3_str_appendf(tls, bp+48, v3, libc.VaList(bp+184, (**(**TDateTime)(__ccgo_up(bp))).Fh))
		case int32('I'): /* Fall thru */
			fallthrough
		case int32('l'):
			h = (**(**TDateTime)(__ccgo_up(bp))).Fh
			if h > int32(12) {
				h = h - int32(12)
			}
			if h == 0 {
				h = int32(12)
			}
			if int32(cf) == int32('I') {
				v3 = __ccgo_ts + 1389
			} else {
				v3 = __ccgo_ts + 1394
			}
			Xsqlite3_str_appendf(tls, bp+48, v3, libc.VaList(bp+184, h))
		case int32('j'): /* Day of year.  Jan01==1, Jan02==2, and so forth */
			Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1425, libc.VaList(bp+184, _daysAfterJan01(tls, bp)+int32(1)))
		case int32('J'): /* Julian day number.  (Non-standard) */
			Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1430, libc.VaList(bp+184, float64((**(**TDateTime)(__ccgo_up(bp))).FiJD)/float64(8.64e+07)))
		case int32('m'):
			Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1389, libc.VaList(bp+184, (**(**TDateTime)(__ccgo_up(bp))).FM))
		case int32('M'):
			Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1389, libc.VaList(bp+184, (**(**TDateTime)(__ccgo_up(bp))).Fm))
		case int32('p'): /* Fall thru */
			fallthrough
		case int32('P'):
			if (**(**TDateTime)(__ccgo_up(bp))).Fh >= int32(12) {
				if int32(cf) == int32('p') {
					v3 = __ccgo_ts + 1436
				} else {
					v3 = __ccgo_ts + 1439
				}
				Xsqlite3_str_append(tls, bp+48, v3, int32(2))
			} else {
				if int32(cf) == int32('p') {
					v3 = __ccgo_ts + 1442
				} else {
					v3 = __ccgo_ts + 1445
				}
				Xsqlite3_str_append(tls, bp+48, v3, int32(2))
			}
		case int32('R'):
			Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1448, libc.VaList(bp+184, (**(**TDateTime)(__ccgo_up(bp))).Fh, (**(**TDateTime)(__ccgo_up(bp))).Fm))
		case int32('s'):
			if int32(uint32(*(*uint8)(unsafe.Pointer(bp + 44))&0x4>>2)) != 0 {
				Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1458, libc.VaList(bp+184, float64((**(**TDateTime)(__ccgo_up(bp))).FiJD-libc.Int64FromInt32(21086676)*libc.Int64FromInt32(10000000))/float64(1000)))
			} else {
				iS = (**(**TDateTime)(__ccgo_up(bp))).FiJD/libc.Int64FromInt32(1000) - libc.Int64FromInt32(21086676)*libc.Int64FromInt32(10000)
				Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1463, libc.VaList(bp+184, iS))
			}
		case int32('S'):
			Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1389, libc.VaList(bp+184, int32((**(**TDateTime)(__ccgo_up(bp))).Fs)))
		case int32('T'):
			Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1468, libc.VaList(bp+184, (**(**TDateTime)(__ccgo_up(bp))).Fh, (**(**TDateTime)(__ccgo_up(bp))).Fm, int32((**(**TDateTime)(__ccgo_up(bp))).Fs)))
		case int32('u'): /* Day of week.  1 to 7.  Monday==1, Sunday==7 */
			fallthrough
		case int32('w'): /* Day of week.  0 to 6.  Sunday==0, Monday==1 */
			c = int8(int32(int8(_daysAfterSunday(tls, bp))) + int32('0'))
			if int32(c) == int32('0') && int32(cf) == int32('u') {
				c = int8('7')
			}
			Xsqlite3_str_appendchar(tls, bp+48, int32(1), c)
		case int32('U'): /* Week num. 00-53. First Sun of the year is week 01 */
			Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1389, libc.VaList(bp+184, (_daysAfterJan01(tls, bp)-_daysAfterSunday(tls, bp)+int32(7))/int32(7)))
		case int32('V'): /* Week num. 01-53. First week with a Thur is week 01 */
			**(**TDateTime)(__ccgo_up(bp + 128)) = **(**TDateTime)(__ccgo_up(bp))
			/* Adjust y so that is the Thursday in the same week as x */
			(**(**TDateTime)(__ccgo_up(bp + 128))).FiJD += int64((int32(3) - _daysAfterMonday(tls, bp)) * int32(86400000))
			(**(**TDateTime)(__ccgo_up(bp + 128))).FvalidYMD = 0
			_computeYMD(tls, bp+128)
			Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1389, libc.VaList(bp+184, _daysAfterJan01(tls, bp+128)/int32(7)+int32(1)))
		case int32('W'): /* Week num. 00-53. First Mon of the year is week 01 */
			Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1389, libc.VaList(bp+184, (_daysAfterJan01(tls, bp)-_daysAfterMonday(tls, bp)+int32(7))/int32(7)))
		case int32('Y'):
			Xsqlite3_str_appendf(tls, bp+48, __ccgo_ts+1420, libc.VaList(bp+184, (**(**TDateTime)(__ccgo_up(bp))).FY))
		case int32('%'):
			Xsqlite3_str_appendchar(tls, bp+48, int32(1), int8('%'))
		default:
			Xsqlite3_str_reset(tls, bp+48)
			return
		}
		goto _1
	_1:
		;
		i = i + 1
	}
	if j < i {
		Xsqlite3_str_append(tls, bp+48, zFmt+uintptr(j), libc.Int32FromUint64(i-j))
	}
	_sqlite3ResultStrAccum(tls, context, bp+48)
}

// C documentation
//
//	/*
//	** timediff(DATE1, DATE2)
//	**
//	** Return the amount of time that must be added to DATE2 in order to
//	** convert it into DATE2.  The time difference format is:
//	**
//	**     +YYYY-MM-DD HH:MM:SS.SSS
//	**
//	** The initial "+" becomes "-" if DATE1 occurs before DATE2.  For
//	** date/time values A and B, the following invariant should hold:
//	**
//	**     datetime(A) == (datetime(B, timediff(A,B))
//	**
//	** Both DATE arguments must be either a julian day number, or an
//	** ISO-8601 string.  The unix timestamps are not supported by this
//	** routine.
//	*/
func _timediffFunc(tls *libc.TLS, context uintptr, NotUsed1 int32, argv uintptr) {
	bp := tls.Alloc(192)
	defer tls.Free(192)
	var M, Y int32
	var sign int8
	var v1 uintptr
	var _ /* d1 at bp+0 */ TDateTime
	var _ /* d2 at bp+48 */ TDateTime
	var _ /* sRes at bp+96 */ Tsqlite3_str
	_, _, _, _ = M, Y, sign, v1
	_ = NotUsed1
	if _isDate(tls, context, int32(1), argv, bp) != 0 {
		return
	}
	if _isDate(tls, context, int32(1), argv+1*8, bp+48) != 0 {
		return
	}
	_computeYMD_HMS(tls, bp)
	_computeYMD_HMS(tls, bp+48)
	if (**(**TDateTime)(__ccgo_up(bp))).FiJD >= (**(**TDateTime)(__ccgo_up(bp + 48))).FiJD {
		sign = int8('+')
		Y = (**(**TDateTime)(__ccgo_up(bp))).FY - (**(**TDateTime)(__ccgo_up(bp + 48))).FY
		if Y != 0 {
			(**(**TDateTime)(__ccgo_up(bp + 48))).FY = (**(**TDateTime)(__ccgo_up(bp))).FY
			(**(**TDateTime)(__ccgo_up(bp + 48))).FvalidJD = 0
			_computeJD(tls, bp+48)
		}
		M = (**(**TDateTime)(__ccgo_up(bp))).FM - (**(**TDateTime)(__ccgo_up(bp + 48))).FM
		if M < 0 {
			Y = Y - 1
			M = M + int32(12)
		}
		if M != 0 {
			(**(**TDateTime)(__ccgo_up(bp + 48))).FM = (**(**TDateTime)(__ccgo_up(bp))).FM
			(**(**TDateTime)(__ccgo_up(bp + 48))).FvalidJD = 0
			_computeJD(tls, bp+48)
		}
		for (**(**TDateTime)(__ccgo_up(bp))).FiJD < (**(**TDateTime)(__ccgo_up(bp + 48))).FiJD {
			M = M - 1
			if M < 0 {
				M = int32(11)
				Y = Y - 1
			}
			(**(**TDateTime)(__ccgo_up(bp + 48))).FM = (**(**TDateTime)(__ccgo_up(bp + 48))).FM - 1
			if (**(**TDateTime)(__ccgo_up(bp + 48))).FM < int32(1) {
				(**(**TDateTime)(__ccgo_up(bp + 48))).FM = int32(12)
				(**(**TDateTime)(__ccgo_up(bp + 48))).FY = (**(**TDateTime)(__ccgo_up(bp + 48))).FY - 1
			}
			(**(**TDateTime)(__ccgo_up(bp + 48))).FvalidJD = 0
			_computeJD(tls, bp+48)
		}
		(**(**TDateTime)(__ccgo_up(bp))).FiJD -= (**(**TDateTime)(__ccgo_up(bp + 48))).FiJD
		v1 = bp
		*(*Tsqlite3_int64)(unsafe.Pointer(v1)) = Tsqlite3_int64(uint64(*(*Tsqlite3_int64)(unsafe.Pointer(v1))) + libc.Uint64FromInt32(1486995408)*libc.Uint64FromInt32(100000))
	} else { /* d1<d2 */
		sign = int8('-')
		Y = (**(**TDateTime)(__ccgo_up(bp + 48))).FY - (**(**TDateTime)(__ccgo_up(bp))).FY
		if Y != 0 {
			(**(**TDateTime)(__ccgo_up(bp + 48))).FY = (**(**TDateTime)(__ccgo_up(bp))).FY
			(**(**TDateTime)(__ccgo_up(bp + 48))).FvalidJD = 0
			_computeJD(tls, bp+48)
		}
		M = (**(**TDateTime)(__ccgo_up(bp + 48))).FM - (**(**TDateTime)(__ccgo_up(bp))).FM
		if M < 0 {
			Y = Y - 1
			M = M + int32(12)
		}
		if M != 0 {
			(**(**TDateTime)(__ccgo_up(bp + 48))).FM = (**(**TDateTime)(__ccgo_up(bp))).FM
			(**(**TDateTime)(__ccgo_up(bp + 48))).FvalidJD = 0
			_computeJD(tls, bp+48)
		}
		for (**(**TDateTime)(__ccgo_up(bp))).FiJD > (**(**TDateTime)(__ccgo_up(bp + 48))).FiJD {
			M = M - 1
			if M < 0 {
				M = int32(11)
				Y = Y - 1
			}
			(**(**TDateTime)(__ccgo_up(bp + 48))).FM = (**(**TDateTime)(__ccgo_up(bp + 48))).FM + 1
			if (**(**TDateTime)(__ccgo_up(bp + 48))).FM > int32(12) {
				(**(**TDateTime)(__ccgo_up(bp + 48))).FM = int32(1)
				(**(**TDateTime)(__ccgo_up(bp + 48))).FY = (**(**TDateTime)(__ccgo_up(bp + 48))).FY + 1
			}
			(**(**TDateTime)(__ccgo_up(bp + 48))).FvalidJD = 0
			_computeJD(tls, bp+48)
		}
		(**(**TDateTime)(__ccgo_up(bp))).FiJD = (**(**TDateTime)(__ccgo_up(bp + 48))).FiJD - (**(**TDateTime)(__ccgo_up(bp))).FiJD
		v1 = bp
		*(*Tsqlite3_int64)(unsafe.Pointer(v1)) = Tsqlite3_int64(uint64(*(*Tsqlite3_int64)(unsafe.Pointer(v1))) + libc.Uint64FromInt32(1486995408)*libc.Uint64FromInt32(100000))
	}
	_clearYMD_HMS_TZ(tls, bp)
	_computeYMD_HMS(tls, bp)
	_sqlite3StrAccumInit(tls, bp+96, uintptr(0), uintptr(0), 0, int32(100))
	Xsqlite3_str_appendf(tls, bp+96, __ccgo_ts+1483, libc.VaList(bp+136, int32(sign), Y, M, (**(**TDateTime)(__ccgo_up(bp))).FD-int32(1), (**(**TDateTime)(__ccgo_up(bp))).Fh, (**(**TDateTime)(__ccgo_up(bp))).Fm, (**(**TDateTime)(__ccgo_up(bp))).Fs))
	_sqlite3ResultStrAccum(tls, context, bp+96)
}

// C documentation
//
//	/*
//	** Turn a relative pathname into a full pathname. The relative path
//	** is stored as a nul-terminated string in the buffer pointed to by
//	** zPath.
//	**
//	** zOut points to a buffer of at least sqlite3_vfs.mxPathname bytes
//	** (in this case, MAX_PATHNAME bytes). The full-path is written to
//	** this buffer before returning.
//	*/
func _unixFullPathname(tls *libc.TLS, pVfs uintptr, zPath uintptr, nOut int32, zOut uintptr) (r int32) {
	bp := tls.Alloc(1056)
	defer tls.Free(1056)
	var _ /* path at bp+0 */ TDbPath
	var _ /* zPwd at bp+24 */ [1026]int8
	_ = pVfs
	(**(**TDbPath)(__ccgo_up(bp))).Frc = 0
	(**(**TDbPath)(__ccgo_up(bp))).FnUsed = 0
	(**(**TDbPath)(__ccgo_up(bp))).FnSymlink = 0
	(**(**TDbPath)(__ccgo_up(bp))).FnOut = nOut
	(**(**TDbPath)(__ccgo_up(bp))).FzOut = zOut
	if int32(**(**int8)(__ccgo_up(zPath))) != int32('/') {
		if (*(*func(*libc.TLS, uintptr, Tsize_t) uintptr)(unsafe.Pointer(&struct{ uintptr }{_aSyscall[int32(3)].FpCurrent})))(tls, bp+24, libc.Uint64FromInt64(1026)-libc.Uint64FromInt32(2)) == uintptr(0) {
			return _unixLogErrorAtLine(tls, _sqlite3CantopenError(tls, int32(47221)), __ccgo_ts+3558, zPath, int32(47221))
		}
		_appendAllPathElements(tls, bp, bp+24)
	}
	_appendAllPathElements(tls, bp, zPath)
	**(**int8)(__ccgo_up(zOut + uintptr((**(**TDbPath)(__ccgo_up(bp))).FnUsed))) = 0
	if (**(**TDbPath)(__ccgo_up(bp))).Frc != 0 || (**(**TDbPath)(__ccgo_up(bp))).FnUsed < int32(2) {
		return _sqlite3CantopenError(tls, int32(47227))
	}
	if (**(**TDbPath)(__ccgo_up(bp))).FnSymlink != 0 {
		return libc.Int32FromInt32(SQLITE_OK) | libc.Int32FromInt32(2)<<libc.Int32FromInt32(8)
	}
	return SQLITE_OK
}