bindings/go/blst.tgo: add SrcRoot() helper.

Author: dot-asm

bindings/go/blst.go

@@ -16,6 +16,7 @@ package blst
 // #cgo loong64 mips64 mips64le ppc64 ppc64le riscv64 s390x CFLAGS: -D__BLST_NO_ASM__
 //
 // #include "blst.h"
+// const char *go_blst_src_server_c();
 //
 // #if defined(__x86_64__) && (defined(__unix__) || defined(__APPLE__))
 // # include <signal.h>
@@ -156,6 +157,7 @@ import "C"
 import (
 	"fmt"
 	"math/bits"
+	"path/filepath"
 	"runtime"
 	"sync"
 	"sync/atomic"
@@ -217,6 +219,11 @@ var cgo_p1Generator = *C.blst_p1_generator()
 var cgo_p2Generator = *C.blst_p2_generator()
 var cgo_fp12One = *C.blst_fp12_one()
 
+func SrcRoot() string {
+	path := C.GoString(C.go_blst_src_server_c())
+	return filepath.Dir(filepath.Dir(path))
+}
+
 // Secret key
 func (sk *SecretKey) Zeroize() {
 	var zero SecretKey

bindings/go/blst.tgo

@@ -12,6 +12,7 @@ package blst
 // #cgo loong64 mips64 mips64le ppc64 ppc64le riscv64 s390x CFLAGS: -D__BLST_NO_ASM__
 //
 // #include "blst.h"
+// const char *go_blst_src_server_c();
 //
 // #if defined(__x86_64__) && (defined(__unix__) || defined(__APPLE__))
 // # include <signal.h>
@@ -207,6 +208,11 @@ var cgo_p1Generator = *C.blst_p1_generator()
 var cgo_p2Generator = *C.blst_p2_generator()
 var cgo_fp12One = *C.blst_fp12_one()
 
+func SrcRoot() string {
+    path := C.GoString(C.go_blst_src_server_c())
+    return filepath.Dir(filepath.Dir(path))
+}
+
 //
 // Secret key
 //