X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fwebsock.c;h=1b127c8bb2b1fa669d1de2cd6412cd40cd7c2c04;hb=a5eac83c777c95e59801d5e327daf03860fcb141;hp=f79feb5ec36d733de4a03bedececa275b0fe9a2c;hpb=6a325d7f101c986e7329ef912c0458719f95c096;p=src%2Fapp-framework-binder.git

diff --git a/src/websock.c b/src/websock.c
index f79feb5e..1b127c8b 100644
--- a/src/websock.c
+++ b/src/websock.c
@@ -45,7 +45,7 @@
 #define FRAME_SET_RSV3(BYTE)        (((BYTE) & 0x01) << 4)
 #define FRAME_SET_OPCODE(BYTE)      ((BYTE) & 0x0F)
 #define FRAME_SET_MASK(BYTE)        (((BYTE) & 0x01) << 7)
-#define FRAME_SET_LENGTH(X64, IDX)  (unsigned char)(((X64) >> ((IDX)*8)) & 0xFF)
+#define FRAME_SET_LENGTH(X64, IDX)  (unsigned char)((sizeof(X64)) <= (IDX) ? 0 : (((X64) >> ((IDX)*8)) & 0xFF))
 
 #define OPCODE_CONTINUATION 0x0
 #define OPCODE_TEXT         0x1