Add JS_ToBigUint64

Fixes: #376
quickjs-ng · May 27, 2024 · 8d46deb · 8d46deb
1 parent 569f51f
commit 8d46deb
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diff --git a/quickjs.c b/quickjs.c
@@ -12009,6 +12009,20 @@ int JS_ToBigInt64(JSContext *ctx, int64_t *pres, JSValue val)
     return JS_ToBigInt64Free(ctx, pres, js_dup(val));
 }
 
+int JS_ToBigUint64(JSContext *ctx, uint64_t *pres, JSValue val)
+{
+    bf_t a_s, *a;
+
+    a = JS_ToBigIntFree(ctx, &a_s, js_dup(val));
+    if (!a) {
+        *pres = 0;
+        return -1;
+    }
+    bf_get_uint64(pres, a);
+    JS_FreeBigInt(ctx, a, &a_s);
+    return 0;
+}
+
 static JSValue JS_NewBigInt(JSContext *ctx)
 {
     JSBigInt *p;

diff --git a/quickjs.h b/quickjs.h
@@ -637,6 +637,7 @@ JS_EXTERN int JS_ToIndex(JSContext *ctx, uint64_t *plen, JSValue val);
 JS_EXTERN int JS_ToFloat64(JSContext *ctx, double *pres, JSValue val);
 /* return an exception if 'val' is a Number */
 JS_EXTERN int JS_ToBigInt64(JSContext *ctx, int64_t *pres, JSValue val);
+JS_EXTERN int JS_ToBigUint64(JSContext *ctx, uint64_t *pres, JSValue val);
 /* same as JS_ToInt64() but allow BigInt */
 JS_EXTERN int JS_ToInt64Ext(JSContext *ctx, int64_t *pres, JSValue val);