um add modernc/sqlite

vendor/modernc.org/libc/libc_unix3.go

@@ -0,0 +1,46 @@
+// Copyright 2024 The Libc Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build unix && !illumos && !(linux && (amd64 || arm64 || loong64 || ppc64le || s390x || riscv64 || 386 || arm))
+
+package libc // import "modernc.org/libc"
+
+import (
+	"unsafe"
+
+	"golang.org/x/sys/unix"
+	"modernc.org/libc/errno"
+	ctime "modernc.org/libc/time"
+)
+
+// int clock_gettime(clockid_t clk_id, struct timespec *tp);
+func Xclock_gettime(t *TLS, clk_id int32, tp uintptr) int32 {
+	if __ccgo_strace {
+		trc("t=%v clk_id=%v tp=%v, (%v:)", t, clk_id, tp, origin(2))
+	}
+	var ts unix.Timespec
+	if err := unix.ClockGettime(clk_id, &ts); err != nil {
+		t.setErrno(err)
+		trc("FAIL: %v", err)
+		return -1
+	}
+
+	*(*unix.Timespec)(unsafe.Pointer(tp)) = ts
+	return 0
+}
+
+func Xgmtime_r(tls *TLS, t uintptr, tm uintptr) (r uintptr) {
+	if __ccgo_strace {
+		trc("tls=%v t=%v tm=%v, (%v:)", tls, t, tm, origin(2))
+		defer func() { trc("-> %v", r) }()
+	}
+	if x___secs_to_tm(tls, int64(*(*time_t)(unsafe.Pointer(t))), tm) < 0 {
+		*(*int32)(unsafe.Pointer(X__errno_location(tls))) = int32(errno.EOVERFLOW)
+		return uintptr(0)
+	}
+	(*ctime.Tm)(unsafe.Pointer(tm)).Ftm_isdst = 0
+	(*ctime.Tm)(unsafe.Pointer(tm)).Ftm_gmtoff = 0
+	(*ctime.Tm)(unsafe.Pointer(tm)).Ftm_zone = uintptr(unsafe.Pointer(&x___utc))
+	return tm
+}