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Improve JS_GetArrayBuffer

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jieke 2024-10-12 12:01:58 +08:00
parent 6e2e68fd08
commit 83fa050312
1 changed files with 8 additions and 3 deletions
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quickjs.c
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@ -53214,7 +53214,8 @@ static JSArrayBuffer *js_get_array_buffer(JSContext *ctx, JSValueConst obj)
} }
/* return NULL if exception. WARNING: any JS call can detach the /* return NULL if exception. WARNING: any JS call can detach the
buffer and render the returned pointer invalid */ buffer and render the returned pointer invalid. psize can be
NULL. */
uint8_t *JS_GetArrayBuffer(JSContext *ctx, size_t *psize, JSValueConst obj) uint8_t *JS_GetArrayBuffer(JSContext *ctx, size_t *psize, JSValueConst obj)
{ {
JSArrayBuffer *abuf = js_get_array_buffer(ctx, obj); JSArrayBuffer *abuf = js_get_array_buffer(ctx, obj);
@ -53224,10 +53225,14 @@ uint8_t *JS_GetArrayBuffer(JSContext *ctx, size_t *psize, JSValueConst obj)
JS_ThrowTypeErrorDetachedArrayBuffer(ctx); JS_ThrowTypeErrorDetachedArrayBuffer(ctx);
goto fail; goto fail;
} }
*psize = abuf->byte_length; if (psize) {
*psize = abuf->byte_length;
}
return abuf->data; return abuf->data;
fail: fail:
*psize = 0; if (psize) {
*psize = 0;
}
return NULL; return NULL;
} }