[taler-exchange] branch master updated: add another helper

[gnunet]

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grothoff pushed a commit to branch master
in repository exchange.

The following commit(s) were added to refs/heads/master by this push:
     new 70a210ac add another helper
70a210ac is described below

commit 70a210ac4db07a28867e23db13c68aecc117810a
Author: Christian Grothoff <address@hidden>
AuthorDate: Mon Nov 25 01:42:55 2019 +0100

    add another helper
---
 src/include/taler_json_lib.h         | 13 +++++++++++++
 src/json/json.c                      | 29 +++++++++++++++++++++++++++++
 src/lib/exchange_api_curl_defaults.c |  1 -
 3 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/src/include/taler_json_lib.h b/src/include/taler_json_lib.h
index 382bb19e..6adb76b2 100644
--- a/src/include/taler_json_lib.h
+++ b/src/include/taler_json_lib.h
@@ -126,6 +126,19 @@ enum TALER_ErrorCode
 TALER_JSON_get_error_code (const json_t *json);
 
 
+/**
+ * Extract the Taler error code from the given @a data object, which is 
expected to be in JSON.
+ * Note that #TALER_EC_INVALID is returned if no "code" is present or if @a 
data is not in JSON.
+ *
+ * @param data response to extract the error code from
+ * @param data_size number of bytes in @a data
+ * @return the "code" value from @a json
+ */
+enum TALER_ErrorCode
+TALER_JSON_get_error_code2 (const void *data,
+                            size_t data_size);
+
+
 /* **************** /wire account offline signing **************** */
 
 /**
diff --git a/src/json/json.c b/src/json/json.c
index 90fe3dd4..8d408979 100644
--- a/src/json/json.c
+++ b/src/json/json.c
@@ -80,4 +80,33 @@ TALER_JSON_get_error_code (const json_t *json)
 }
 
 
+/**
+ * Extract the Taler error code from the given @a data object, which is 
expected to be in JSON.
+ * Note that #TALER_EC_INVALID is returned if no "code" is present or if @a 
data is not in JSON.
+ *
+ * @param data response to extract the error code from
+ * @param data_size number of bytes in @a data
+ * @return the "code" value from @a json
+ */
+enum TALER_ErrorCode
+TALER_JSON_get_error_code2 (const void *data,
+                            size_t data_size)
+{
+  json_t *json;
+  enum TALER_ErrorCode ec;
+  json_error_t err;
+
+  json = json_loads (data,
+                     data_size,
+                     &err);
+  if (NULL == json)
+    return TALER_EC_INVALID;
+  ec = TALER_JSON_get_error_code (json);
+  json_decref (json);
+  if (ec == TALER_EC_NONE)
+    return TALER_EC_INVALID;
+  return ec;
+}
+
+
 /* End of json/json.c */
diff --git a/src/lib/exchange_api_curl_defaults.c 
b/src/lib/exchange_api_curl_defaults.c
index 36d1edf7..7b642bc8 100644
--- a/src/lib/exchange_api_curl_defaults.c
+++ b/src/lib/exchange_api_curl_defaults.c
@@ -35,7 +35,6 @@ TEL_curl_easy_get (const char *url)
   CURL *eh;
 
   eh = curl_easy_init ();
-
   GNUNET_assert (CURLE_OK ==
                  curl_easy_setopt (eh,
                                    CURLOPT_URL,

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