Fix a wrong conditional statement about token value.

if the first byte of the token is 00, the condition will
return false even though the token is valid.

Change-Id: I7386cb3644f32e7d1cabb58a1ef8c7162cf19476
Signed-off-by: hyuna0213.jo <hyuna0213.jo@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/8831
Reviewed-by: jihwan seo <jihwan.seo@samsung.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Jon A. Cruz <jon@joncruz.org>

diff --git a/resource/csdk/stack/src/ocobserve.c b/resource/csdk/stack/src/ocobserve.c
index 636572a..0b1d581 100644 (file)
--- a/resource/csdk/stack/src/ocobserve.c
+++ b/resource/csdk/stack/src/ocobserve.c
@@ -376,7 +376,7 @@ OCStackResult AddObserver (const char         *resUri,
         return OC_STACK_RESOURCE_ERROR;
     }
 
-    if (!resUri || !token || !*token)
+    if (!resUri || !token)
     {
         return OC_STACK_INVALID_PARAM;
     }
@@ -446,7 +446,7 @@ ResourceObserver* GetObserverUsingToken (const CAToken_t token, uint8_t tokenLen
 {
     ResourceObserver *out = NULL;
 
-    if (token && *token)
+    if (token)
     {
         OIC_LOG(INFO, TAG, "Looking for token");
         OIC_LOG_BUFFER(INFO, TAG, (const uint8_t *)token, tokenLength);
@@ -472,7 +472,7 @@ ResourceObserver* GetObserverUsingToken (const CAToken_t token, uint8_t tokenLen
 
 OCStackResult DeleteObserverUsingToken (CAToken_t token, uint8_t tokenLength)
 {
-    if (!token || !*token)
+    if (!token)
     {
         return OC_STACK_INVALID_PARAM;
     }