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go/ctils.go

@@ -0,0 +1,24 @@
+package main
+
+/*
+#include <stdlib.h>
+*/
+import "C"
+import "unsafe"
+
+//export prepareCStringArray
+func prepareCStringArray(goStrings []string) (**C.char, int) {
+	cStrings := make([]*C.char, len(goStrings))
+	for i, s := range goStrings {
+		cStrings[i] = C.CString(s)
+	}
+	return (**C.char)(unsafe.Pointer(&cStrings[0])), len(goStrings)
+}
+
+//export freeCStringArray
+func freeCStringArray(cStrings **C.char, length int) {
+	array := (*[1 << 30]*C.char)(unsafe.Pointer(cStrings))[:length:length]
+	for _, s := range array {
+		C.free(unsafe.Pointer(s))
+	}
+}

go/totp.go

@@ -10,10 +10,12 @@ import (
 	"hash"
 	"log"
 	"os"
+	"path/filepath"
 	"runtime"
 	"strconv"
 	"strings"
 	"time"
+	"unsafe"
 )
 
 var token string
@@ -119,17 +121,25 @@ func loadConfigs() {
 			Format:   format,
 		}
 
-		configs[fileEntry.Name()] = config
+		fileName := fileEntry.Name()
+		ext := filepath.Ext(fileName)
+
+		configs[strings.TrimSuffix(fileName, ext)] = config
 	}
 }
 
 //export getConfigNames
-func getConfigNames() []string {
+func getConfigNames() (**C.char, C.int) {
 	names := make([]string, 0, len(configs))
 	for name := range configs {
 		names = append(names, name)
 	}
-	return names
+	cStrings := make([]*C.char, len(names))
+	for i, name := range names {
+		cStrings[i] = C.CString(name)
+	}
+
+	return (**C.char)(unsafe.Pointer(&cStrings[0])), C.int(len(names))
 }
 
 //export getCode
@@ -150,4 +160,4 @@ func getTimeRemainingMS(n int) uint64 {
 	return (uint64(n) * 1000) - (uint64(time.Now().UnixNano()/1e6) % (uint64(n) * 1000))
 }
 
-func main() {}
+//func main() {}