fix compiler warnings with IAR-EWARM 7.50.2

src/internal.c

@@ -593,11 +593,14 @@ int wolfSSH_ProcessBuffer(WOLFSSH_CTX* ctx,
                           const byte* in, word32 inSz,
                           int format, int type)
 {
-    int dynamicType;
-    void* heap;
+    int dynamicType = 0;
+    void* heap = NULL;
     byte* der;
     word32 derSz;
 
+    (void)dynamicType;
+    (void)heap;
+
     if (ctx == NULL || in == NULL || inSz == 0)
         return WS_BAD_ARGUMENT;
 
@@ -3098,7 +3101,7 @@ static int DoUnimplemented(WOLFSSH* ssh,
 static int DoDisconnect(WOLFSSH* ssh, byte* buf, word32 len, word32* idx)
 {
     word32 reason;
-    const char* reasonStr;
+    const char* reasonStr = NULL;
     word32 begin = *idx;
 
     (void)ssh;
@@ -3404,7 +3407,7 @@ static int DoUserAuthRequestRsa(WOLFSSH* ssh, WS_UserAuthData_PublicKey* pk,
                                   encDigestSz);
         sizeCompare = encDigestSz != (word32)checkDigestSz;
 
-        if ((compare | sizeCompare) == 0)
+        if ((compare == 0) && (sizeCompare == 0))
             ret = WS_SUCCESS;
         else
             ret = WS_RSA_E;
@@ -5197,7 +5200,6 @@ int DoReceive(WOLFSSH* ssh)
 
         return WS_SUCCESS;
     }
-    return WS_FATAL_ERROR;
 }
 
 

src/ssh.c

@@ -104,6 +104,8 @@ WOLFSSH* wolfSSH_new(WOLFSSH_CTX* ctx)
     WOLFSSH* ssh;
     void*    heap = NULL;
 
+    (void)heap;
+
     WLOG(WS_LOG_DEBUG, "Entering wolfSSH_new()");
 
     if (ctx)

src/wolfsftp.c

@@ -5211,8 +5211,6 @@ static int wolfSSH_SFTP_GetHandle(WOLFSSH* ssh, byte* handle, word32* handleSz)
                 return WS_INPUT_CASE_E;
         }
     }
-
-    return WS_SUCCESS;
 }
 
 
@@ -5226,7 +5224,6 @@ WS_SFTPNAME* wolfSSH_SFTP_LS(WOLFSSH* ssh, char* dir)
 {
     struct WS_SFTP_LS_STATE* state = NULL;
     WS_SFTPNAME* name = NULL;
-    int ret;
 
     if (ssh == NULL || dir == NULL) {
         WLOG(WS_LOG_SFTP, "Bad argument passed in");
@@ -5305,7 +5302,7 @@ WS_SFTPNAME* wolfSSH_SFTP_LS(WOLFSSH* ssh, char* dir)
 
         case STATE_LS_CLOSE:
             /* close dir when finished */
-            if ((ret = wolfSSH_SFTP_Close(ssh, state->handle, state->sz))
+            if (wolfSSH_SFTP_Close(ssh, state->handle, state->sz)
                     != WS_SUCCESS) {
                 WLOG(WS_LOG_SFTP, "Error closing handle");
                 if (ssh->error != WS_WANT_READ && ssh->error != WS_WANT_WRITE) {
@@ -5544,8 +5541,6 @@ static int SFTP_STAT(WOLFSSH* ssh, char* dir, WS_SFTP_FILEATRB* atr, byte type)
                 return WS_INPUT_CASE_E;
         }
     }
-
-    return WS_SUCCESS;
 }
 
 
@@ -5836,8 +5831,6 @@ int wolfSSH_SFTP_Open(WOLFSSH* ssh, char* dir, word32 reason,
                 return WS_INPUT_CASE_E;
         }
     }
-
-    return WS_SUCCESS;
 }
 
 
@@ -6047,8 +6040,6 @@ int wolfSSH_SFTP_SendWritePacket(WOLFSSH* ssh, byte* handle, word32 handleSz,
                 return WS_FATAL_ERROR;
         }
     }
-
-    return WS_SUCCESS;
 }
 
 
@@ -6279,8 +6270,6 @@ int wolfSSH_SFTP_SendReadPacket(WOLFSSH* ssh, byte* handle, word32 handleSz,
                 return WS_FATAL_ERROR;
         }
     }
-
-    return WS_SUCCESS;
 }
 
 
@@ -6589,8 +6578,6 @@ int wolfSSH_SFTP_Close(WOLFSSH* ssh, byte* handle, word32 handleSz)
                 return WS_INPUT_CASE_E;
         }
     }
-
-    return WS_SUCCESS;
 }
 
 
@@ -6856,8 +6843,6 @@ int wolfSSH_SFTP_Rename(WOLFSSH* ssh, const char* old, const char* nw)
                 return WS_FATAL_ERROR;
         }
     }
-
-    return WS_SUCCESS;
 }
 
 
@@ -7414,8 +7399,6 @@ int wolfSSH_SFTP_Get(WOLFSSH* ssh, char* from,
                 return WS_INPUT_CASE_E;
         }
     }
-
-    return WS_SUCCESS;
 }
 
 
@@ -7613,8 +7596,6 @@ int wolfSSH_SFTP_Put(WOLFSSH* ssh, char* from, char* to, byte resume,
                 return WS_INPUT_CASE_E;
         }
     }
-
-    return ret;
 }