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[taler-taler-mdb] 19/93: GNUnet logs added, -h option added


From: gnunet
Subject: [taler-taler-mdb] 19/93: GNUnet logs added, -h option added
Date: Mon, 18 Nov 2019 21:12:42 +0100

This is an automated email from the git hooks/post-receive script.

marco-boss pushed a commit to branch master
in repository taler-mdb.

commit 34422344cd17bb4aa5bd0e1b187b26f076b677eb
Author: BOSS_Marco <address@hidden>
AuthorDate: Mon Nov 4 21:08:46 2019 +0100

    GNUnet logs added, -h option added
---
 src/communication.c | 50 +++++++++++++++++++++++++++++++++----------------
 src/communication.h |  5 +++--
 src/main.c          | 31 +++++++++++++++++-------------
 src/nfc.c           | 31 +++++++++++++++++++-----------
 src/nfc.h           |  3 +--
 src/product.c       | 25 ++++++++++++++++---------
 src/wallet.c        | 54 ++++++++++++++++++++++++++++++++---------------------
 src/wallet.h        |  7 ++++---
 8 files changed, 129 insertions(+), 77 deletions(-)

diff --git a/src/communication.c b/src/communication.c
index a9f2eb3..e685fa0 100644
--- a/src/communication.c
+++ b/src/communication.c
@@ -42,7 +42,8 @@ int SNACK_taler_init (CURL **curl)
   *curl = curl_easy_init ();
   if ( ! (*curl) ||(result != CURLE_OK))
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_init: could not 
inizialize curl handle\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_taler_init: could not inizialize curl handle\n");
     return EXIT_FAILURE;
   }
 
@@ -60,14 +61,16 @@ int SNACK_taler_alloc_string (char **string, size_t size)
   *string = malloc (size);
   if ( ! (*string) )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_alloc: unable to allocate 
string\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_taler_alloc: unable to allocate string\n");
     exit (EXIT_FAILURE);
   }
   return EXIT_SUCCESS;
 }
 
-static size_t _SNACK_taler_write_response (void *contents, size_t size, size_t 
nmemb,
-                                     void *userp)
+static size_t _SNACK_taler_write_response (void *contents, size_t size, size_t
+                                           nmemb,
+                                           void *userp)
 {
   char *tempString;
   size_t realSize = size * nmemb;
@@ -76,7 +79,8 @@ static size_t _SNACK_taler_write_response (void *contents, 
size_t size, size_t n
   tempString = realloc (response->string, response->size + realSize + 1);
   if ( ! tempString )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_write_response: 
allocation failure\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_taler_write_response: allocation failure\n");
     return EXIT_FAILURE;
   }
 
@@ -110,7 +114,8 @@ int SNACK_taler_create_order_req (ProductOrder *product)
                         amountStr, JSON_REQ_FULFILLMENT, fulfillmentUrl);
   if ( ! orderReq )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_create_order_req: error 
creating json object\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_taler_create_order_req: error creating json object\n");
     return EXIT_FAILURE;
   }
 
@@ -118,7 +123,8 @@ int SNACK_taler_create_order_req (ProductOrder *product)
   char *buffer = json_dumps (orderReq, JSON_COMPACT);
   if ( ! buffer )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_create_order_req: error 
converting json to string\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_taler_create_order_req: error converting json to 
string\n");
     return EXIT_FAILURE;
   }
 
@@ -126,7 +132,8 @@ int SNACK_taler_create_order_req (ProductOrder *product)
   temp = realloc (product->orderRequest, strlen (buffer) + 1);
   if ( ! temp )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_create_order_req: could 
not allocate order\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_taler_create_order_req: could not allocate order\n");
     return EXIT_FAILURE;
   }
   product->orderRequest = temp;
@@ -173,7 +180,9 @@ int SNACK_taler_create_order (CURL *curl, ProductOrder 
*product)
   result = curl_easy_perform (curl);
   if ( result != CURLE_OK )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_create_order: could not 
communicate with \"%s\"\n", url);
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_taler_create_order: could not communicate with 
\"%s\"\n",
+                url);
     return EXIT_FAILURE;
   }
 
@@ -215,7 +224,9 @@ int SNACK_taler_check_payment_status (CURL *curl, 
ProductOrder *product)
   result = curl_easy_perform (curl);
   if ( result != CURLE_OK )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_check_payment_status: 
could not communicate with \"%s\"\n", product->checkUrl);
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_taler_check_payment_status: could not communicate with 
\"%s\"\n",
+                product->checkUrl);
     return EXIT_FAILURE;
   }
 
@@ -228,8 +239,9 @@ int SNACK_taler_check_payment_status (CURL *curl, 
ProductOrder *product)
   return EXIT_SUCCESS;
 }
 
-int SNACK_taler_parse_json (const TalerResponse *response, const char 
*memberName,
-                      char **returnStr)
+int SNACK_taler_parse_json (const TalerResponse *response, const
+                            char *memberName,
+                            char **returnStr)
 {
   /* json variables */
   json_error_t error;
@@ -246,19 +258,24 @@ int SNACK_taler_parse_json (const TalerResponse 
*response, const char *memberNam
   root = json_loads (response->string, JSON_DISABLE_EOF_CHECK, &error);
   if ( ! root )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_parse_json: %s\n", 
error.text);
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_parse_json: %s\n",
+                error.text);
     return EXIT_FAILURE;
   }
   char *result = NULL;
   if ( json_unpack (root, "{s:s}", memberName, &result) < 0 )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_parse_json: no member 
named \"%s\" found!\n", memberName);
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_taler_parse_json: no member named \"%s\" found!\n",
+                memberName);
     json_decref (root);
     return EXIT_FAILURE;
   }
   if ( ! result )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_parse_json: no member 
named \"%s\" found!\n", memberName);
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_taler_parse_json: no member named \"%s\" found!\n",
+                memberName);
     json_decref (root);
     return EXIT_FAILURE;
   }
@@ -266,7 +283,8 @@ int SNACK_taler_parse_json (const TalerResponse *response, 
const char *memberNam
   temp = realloc (*returnStr, strlen (result) + 1);
   if ( ! temp )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_parse_json: could not 
allocate memory for member\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_taler_parse_json: could not allocate memory for 
member\n");
     json_decref (root);
     return EXIT_FAILURE;
   }
diff --git a/src/communication.h b/src/communication.h
index e33bb82..4f5f2bd 100644
--- a/src/communication.h
+++ b/src/communication.h
@@ -46,7 +46,8 @@ int SNACK_taler_create_order (CURL *curl, ProductOrder 
*product);
 
 int SNACK_taler_check_payment_status (CURL *curl, ProductOrder *product);
 
-int SNACK_taler_parse_json (const TalerResponse *response, const char 
*memberName,
-                      char **returnStr);
+int SNACK_taler_parse_json (const TalerResponse *response, const
+                            char *memberName,
+                            char **returnStr);
 
 #endif // COMM_H
diff --git a/src/main.c b/src/main.c
index 942dc09..185dc6c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -70,40 +70,42 @@ void *_SNACK_start_nfc_transmission (void *ignored)
   return EXIT_SUCCESS;
 }
 
-int main( int argc, char* const* argv )
+int main (int argc, char*const*argv)
 {
   CURL *curl;
 
   struct GNUNET_GETOPT_CommandLineOption options[] = {
-    GNUNET_GETOPT_option_help( "This is an application for snack machines with 
nfc. Running with GNU taler.\n" ),
-        GNUNET_GETOPT_OPTION_END
+    GNUNET_GETOPT_option_help (
+      "This is an application for snack machines with nfc. Running with GNU 
taler.\n"),
+    GNUNET_GETOPT_OPTION_END
   };
 
-  if( GNUNET_GETOPT_run("taler-mdb\n", options, argc, argv) <= 0 )
+  if ( GNUNET_GETOPT_run ("taler-mdb\n", options, argc, argv) <= 0 )
     return EXIT_SUCCESS;
 
   GNUNET_assert
-      (GNUNET_OK == GNUNET_log_setup("taler-mdb", "DEBUG", NULL));  
//"taler-mdb.log"));
+    (GNUNET_OK == GNUNET_log_setup ("taler-mdb", "DEBUG", NULL));   // 
"taler-mdb.log"));
 
   /* initialize nfc */
   nfc_init (&context);
   if ( ! context )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Unable to init nfc\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Unable to init nfc\n");
     return EXIT_FAILURE;
   }
 
   /* inizialize taler */
   if ( SNACK_taler_init (&curl) )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Unable to init taler 
communication\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Unable to init taler communication\n");
     return EXIT_FAILURE;
   }
 
   /* inizialize product */
   if ( SNACK_product_init (&product, CURRENCY) )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Unable to init product structure\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Unable to init product structure\n");
     return EXIT_FAILURE;
   }
 
@@ -142,24 +144,27 @@ int main( int argc, char* const* argv )
 
     /* start a thread to send payment request to taler wallet */
     pthread_t nfcThread;
-    if ( pthread_create (&nfcThread, NULL, _SNACK_start_nfc_transmission, 
NULL) )
+    if ( pthread_create (&nfcThread, NULL, _SNACK_start_nfc_transmission,
+                         NULL) )
     {
-      GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Thread creation failed\n");
+      GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Thread creation failed\n");
       return EXIT_FAILURE;
     }
 
     /* check the payment status, if paid exit while loop and end thread 
transmitting nfc messages */
     while ( ! product.paid )
     {
-      GNUNET_log(GNUNET_ERROR_TYPE_INFO, "Order payment processing\n");
+      GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Order payment processing\n");
       sleep (5);
       while ( SNACK_taler_check_payment_status (curl, &product) )
         ;
       /* set the boolean paid member of ProductOrder struct */
       SNACK_product_set_paid_status (&product);
-      GNUNET_log(GNUNET_ERROR_TYPE_INFO, "Payment status paid: %s\n", 
(product.paid ? "true":"false") );
+      GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Payment status paid: %s\n",
+                  (product.paid ? "true" : "false") );
     }
-    GNUNET_log(GNUNET_ERROR_TYPE_INFO, "Order no.: %s paid!\n", 
product.orderID);
+    GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Order no.: %s paid!\n",
+                product.orderID);
 
 
     /* -----------------
diff --git a/src/nfc.c b/src/nfc.c
index b2175f7..b816fd1 100644
--- a/src/nfc.c
+++ b/src/nfc.c
@@ -37,7 +37,8 @@ along with
 #define UID_LEN_LOWER 4
 
 
-int SNACK_nfc_transmit (nfc_context *context, const char *talerPayUrl, size_t 
urlSize)
+int SNACK_nfc_transmit (nfc_context *context, const char *talerPayUrl, size_t
+                        urlSize)
 {
   nfc_device *pnd;
   nfc_target nt;
@@ -45,20 +46,25 @@ int SNACK_nfc_transmit (nfc_context *context, const char 
*talerPayUrl, size_t ur
   pnd = nfc_open (context, NULL);
   if ( ! pnd )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_nfc_transmit: Unable to open 
nfc device\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_nfc_transmit: Unable to open nfc device\n");
     return EXIT_FAILURE;
   }
 
   /* initialize device as reader */
   if ( nfc_initiator_init (pnd) < 0 )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Snack_nfc_transmit: nfc_initator_init 
error: %s", nfc_strerror(pnd) );
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Snack_nfc_transmit: nfc_initator_init error: %s",
+                nfc_strerror (pnd) );
     nfc_close (pnd);
     return EXIT_FAILURE;
   }
 
-  GNUNET_log(GNUNET_ERROR_TYPE_INFO, "SNACK_nfc_transmit: device: %s\n", 
nfc_device_get_name (pnd));
-  GNUNET_log(GNUNET_ERROR_TYPE_INFO, "SNACK_nfc_transmit: connstring: %s\n", 
nfc_device_get_connstring (pnd));
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "SNACK_nfc_transmit: device: %s\n",
+              nfc_device_get_name (pnd));
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "SNACK_nfc_transmit: connstring: %s\n",
+              nfc_device_get_connstring (pnd));
 
   /* connect to a target device */
   if ( SNACK_nfc_connect_target (pnd, &nt) )
@@ -92,7 +98,8 @@ int SNACK_nfc_connect_target (nfc_device *pnd, nfc_target *nt)
                                         .nbr = NBR_106,
                                       } };
 
-  GNUNET_log(GNUNET_ERROR_TYPE_INFO, "SNACK_nfc_connect_target: trying to 
connect to target\n");
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+              "SNACK_nfc_connect_target: trying to connect to target\n");
 
   while ( ctr > 0 )
   {
@@ -101,16 +108,19 @@ int SNACK_nfc_connect_target (nfc_device *pnd, nfc_target 
*nt)
     if ( nfc_initiator_select_passive_target (pnd, nmMifare[0], NULL, 0, nt) <=
          0 )
     {
-      GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_nfc_connect_target: failed to 
connect\n");
+      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                  "SNACK_nfc_connect_target: failed to connect\n");
     }
     else if ((nt->nti.nai.szUidLen > UID_LEN_UPPER) ||(nt->nti.nai.szUidLen <
                                                        UID_LEN_LOWER) )
     {
-      GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_nfc_connect_target: failed to 
connect\n");
+      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                  "SNACK_nfc_connect_target: failed to connect\n");
     }
     else {
-      GNUNET_log(GNUNET_ERROR_TYPE_MESSAGE, "SNACK_nfc_connect_target: Target 
selected!\n");
-      SNACK_print_hex_info( "UID", nt->nti.nai.abtUid, nt->nti.nai.szUidLen );
+      GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
+                  "SNACK_nfc_connect_target: Target selected!\n");
+      SNACK_print_hex_info ("UID", nt->nti.nai.abtUid, nt->nti.nai.szUidLen);
       return EXIT_SUCCESS;
     }
     sleep (1);
@@ -119,4 +129,3 @@ int SNACK_nfc_connect_target (nfc_device *pnd, nfc_target 
*nt)
 
   return EXIT_FAILURE;
 }
-
diff --git a/src/nfc.h b/src/nfc.h
index bdca9a9..62268ff 100644
--- a/src/nfc.h
+++ b/src/nfc.h
@@ -28,7 +28,6 @@ along with
 #include <nfc/nfc.h>
 
 int SNACK_nfc_transmit (nfc_context *context, const char *talerPayUrl, size_t
-                  urlSize);
+                        urlSize);
 
 int SNACK_nfc_connect_target (nfc_device *pnd, nfc_target *nt);
-
diff --git a/src/product.c b/src/product.c
index 46ccc1b..0f509fc 100644
--- a/src/product.c
+++ b/src/product.c
@@ -45,7 +45,8 @@ int SNACK_product_init (ProductOrder *product, const char 
*currency)
 {
   if ( ! product )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_product_init: product order 
struct must be provided\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_product_init: product order struct must be provided\n");
     return EXIT_FAILURE;
   }
 
@@ -54,7 +55,8 @@ int SNACK_product_init (ProductOrder *product, const char 
*currency)
   product->response = malloc (sizeof(TalerResponse) );
   if ( ! product->response )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_product_init: unable to 
allocate memory for response struct\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_product_init: unable to allocate memory for response 
struct\n");
     return EXIT_FAILURE;
   }
   if ( SNACK_taler_alloc_string (&(product->response->string), 1) )
@@ -98,14 +100,15 @@ int SNACK_product_set_check_url (ProductOrder *product)
                          product->orderID) + 1);
   if ( ! url )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR,"SNACK_prduct_set_check_url: could not 
allocate memory for order url\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_prduct_set_check_url: could not allocate memory for 
order url\n");
     return EXIT_FAILURE;
   }
 
   product->checkUrl = url;
   sprintf (product->checkUrl, "%s%s%s%s", BACKEND_BASE_URL, CHECK, ORDER_CHECK,
            product->orderID);
-  printf("Url to check payment: %s\n\n", product->checkUrl);
+  printf ("Url to check payment: %s\n\n", product->checkUrl);
 
   return EXIT_SUCCESS;
 }
@@ -113,12 +116,13 @@ int SNACK_product_set_check_url (ProductOrder *product)
 int SNACK_product_set_order_id (ProductOrder *product)
 {
   return SNACK_taler_parse_json (product->response, JSON_ORDER_ID,
-                           &(product->orderID));
+                                 &(product->orderID));
 }
 
 int SNACK_product_set_pay_url (ProductOrder *product)
 {
-  return SNACK_taler_parse_json (product->response, JSON_PAY_URI, 
&(product->payUrl));
+  return SNACK_taler_parse_json (product->response, JSON_PAY_URI,
+                                 &(product->payUrl));
 }
 
 int SNACK_product_set_paid_status (ProductOrder *product)
@@ -132,14 +136,16 @@ int SNACK_product_set_paid_status (ProductOrder *product)
   root = json_loads (product->response->string, JSON_DISABLE_EOF_CHECK, 
&error);
   if ( ! root )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_parse_json: %s\n", 
error.text);
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_parse_json: %s\n",
+                error.text);
     return EXIT_FAILURE;
   }
 
   /* extract the boolean value of paid out of the json object */
   if ( json_unpack (root, "{s:b}", JSON_PAID, &b) < 0 )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_taler_parse_json: no value 
\"%s\" found!\n", JSON_PAID);
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_taler_parse_json: no value \"%s\" found!\n", JSON_PAID);
     json_decref (root);
     return EXIT_FAILURE;
   }
@@ -153,7 +159,8 @@ int SNACK_product_set_paid_status (ProductOrder *product)
   }
   else
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_product_set_paid_status: json 
parsing failed\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_product_set_paid_status: json parsing failed\n");
     return EXIT_FAILURE;
   }
 
diff --git a/src/wallet.c b/src/wallet.c
index 6942f41..3b0aedb 100644
--- a/src/wallet.c
+++ b/src/wallet.c
@@ -40,16 +40,20 @@ int SNACK_wallet_select_aid (nfc_device *pnd)
 
   int size = sizeof(select_file) + sizeof(taler_aid);
   uint8_t message[size];
-  if ( SNACK_concat_message (select_file, sizeof(select_file), taler_aid, 
message,
+  if ( SNACK_concat_message (select_file, sizeof(select_file), taler_aid,
+                             message,
                              size) )
     return EXIT_FAILURE;
 
-  SNACK_print_hex_info("SNACK_wallet_select_aid: Selecting Taler apk using 
AID", taler_aid, sizeof(taler_aid));
+  SNACK_print_hex_info (
+    "SNACK_wallet_select_aid: Selecting Taler apk using AID", taler_aid,
+    sizeof(taler_aid));
 
   if ( nfc_initiator_transceive_bytes (pnd, message, size, response,
                                        sizeof(response), TRANSMIT_TIMEOUT) < 0 
)
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_wallet_select_aid: Failed to 
select apk\n\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_wallet_select_aid: Failed to select apk\n\n");
     return EXIT_FAILURE;
   }
 
@@ -66,25 +70,28 @@ int SNACK_put_message (nfc_device *pnd, const char *msg, 
size_t msgSize)
                              message, size) )
     return EXIT_FAILURE;
 
-  GNUNET_log(GNUNET_ERROR_TYPE_INFO, "SNACK_wallet_put_messsage: Sending 'PUT 
DATA' command to wallet\n");
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+              "SNACK_wallet_put_messsage: Sending 'PUT DATA' command to 
wallet\n");
 
   if ( nfc_initiator_transceive_bytes (pnd, message, size, response,
                                        sizeof(response), TRANSMIT_TIMEOUT) < 0 
)
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_wallet_put_message: Failed to 
put message\n\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_wallet_put_message: Failed to put message\n\n");
     return EXIT_FAILURE;
   }
 
   return SNACK_check_response (response, sizeof(response) );
 }
 
-int SNACK_wallet_tunneling(nfc_device *pnd, const char *msg, size_t msgSize)
+int SNACK_wallet_tunneling (nfc_device *pnd, const char *msg, size_t msgSize)
 {
   uint8_t response[255] = {0x00};
 
-  printf( "checking for tunneling request\n");
+  printf ("checking for tunneling request\n");
 
-  if ( nfc_initiator_transceive_bytes (pnd, get_data, sizeof(get_data), 
response,
+  if ( nfc_initiator_transceive_bytes (pnd, get_data, sizeof(get_data),
+                                       response,
                                        sizeof(response), TRANSMIT_TIMEOUT) < 0 
)
 
   {
@@ -105,7 +112,8 @@ int SNACK_wallet_transmit (nfc_device *pnd, const char 
*msg, size_t msgLen)
 {
   if ( ! msg )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_wallet_transmit: No message to 
send\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_wallet_transmit: No message to send\n");
     return EXIT_FAILURE;
   }
 
@@ -114,14 +122,15 @@ int SNACK_wallet_transmit (nfc_device *pnd, const char 
*msg, size_t msgLen)
   if ( SNACK_put_message (pnd, msg, msgLen)  )
     return EXIT_FAILURE;
 
-  
//-------------------------------------------------------------------------------------------
-  //sleep(3);
-  //while ( SNACK_wallet_tunneling(pnd, msg, msgLen) == EXIT_SUCCESS )
+  // 
-------------------------------------------------------------------------------------------
+  // sleep(3);
+  // while ( SNACK_wallet_tunneling(pnd, msg, msgLen) == EXIT_SUCCESS )
   //  sleep(3);
   // ;
-  
//--------------------------------------------------------------------------------------------
+  // 
--------------------------------------------------------------------------------------------
 
-  GNUNET_log(GNUNET_ERROR_TYPE_INFO, "SNACK_wallet_transmit: Transmitted 
message to taler wallet\n\n");
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+              "SNACK_wallet_transmit: Transmitted message to taler 
wallet\n\n");
 
   return EXIT_SUCCESS;
 }
@@ -130,10 +139,10 @@ int SNACK_check_response (uint8_t *response, uint8_t 
responseLen)
 {
   if ( strcmp ((char *) response, APDU_SUCCESS) == 0 )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_INFO, "Transmission success\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Transmission success\n");
   }
   else {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Transmission failure, return code: ");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Transmission failure, return code: 
");
     for ( uint8_t i = 0; i < responseLen; ++i ) {
       printf ("%.2x ", response[i]);
     }
@@ -149,7 +158,8 @@ int SNACK_concat_message (const uint8_t*command, size_t 
commandSize, const
 {
   if ( ! command || ! message )
   {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "SNACK_concat_message: command and 
message can't be null");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "SNACK_concat_message: command and message can't be null");
     return EXIT_FAILURE;
   }
 
@@ -164,15 +174,17 @@ int SNACK_concat_message (const uint8_t*command, size_t 
commandSize, const
   return EXIT_SUCCESS;
 }
 
-void SNACK_print_hex_info( const char* message, const uint8_t *hexArray, 
size_t sizeHex ){
+void SNACK_print_hex_info (const char*message, const uint8_t *hexArray, size_t
+                           sizeHex)
+{
 
   char hex[5] = {""};
   char str[64] = {""};
 
-  for ( unsigned int i = 0; i < sizeHex; ++i ){
+  for ( unsigned int i = 0; i < sizeHex; ++i ) {
     sprintf (hex, "%.2x ", hexArray[i]);
-    strcat(str, hex);
+    strcat (str, hex);
   }
-  GNUNET_log(GNUNET_ERROR_TYPE_MESSAGE, "%s: %s\n", message, str);
+  GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE, "%s: %s\n", message, str);
 
 }
diff --git a/src/wallet.h b/src/wallet.h
index c5cd0fd..e6438ea 100644
--- a/src/wallet.h
+++ b/src/wallet.h
@@ -36,15 +36,16 @@ int SNACK_wallet_select_aid (nfc_device *pnd);
 
 int SNACK_wallet_put_message (nfc_device *pnd, const char *msg, size_t 
msgSize);
 
-int SNACK_wallet_tunneling(nfc_device *pnd, const char *msg, size_t msgSize);
+int SNACK_wallet_tunneling (nfc_device *pnd, const char *msg, size_t msgSize);
 
 int SNACK_wallet_transmit (nfc_device*pnd, const char *msg, size_t msgLen);
 
 int SNACK_concat_message (const uint8_t*command, size_t commandSize, const
-                    uint8_t *message, uint8_t *retMsg, size_t returnSize);
+                          uint8_t *message, uint8_t *retMsg, size_t 
returnSize);
 
 int SNACK_check_response (uint8_t *response, uint8_t responseLen);
 
-void SNACK_print_hex_info( const char* message, const uint8_t *hexArray, 
size_t sizeHex );
+void SNACK_print_hex_info (const char*message, const uint8_t *hexArray, size_t
+                           sizeHex);
 
 #endif // WALLET_H

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