[gnunet] branch master updated: add i64 deserializer

[gnunet]

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grothoff pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new 254a9f066 add i64 deserializer
     new c3b24699c Merge branch 'master' of git+ssh://gnunet.org/gnunet
254a9f066 is described below

commit 254a9f066b2fb96b347ddb07040608eacaf7b942
Author: Christian Grothoff <address@hidden>
AuthorDate: Sun Apr 19 21:37:35 2020 +0200

    add i64 deserializer
---
 src/include/gnunet_json_lib.h | 23 +++++++++++++++----
 src/json/json_helper.c        | 53 ++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 71 insertions(+), 5 deletions(-)

diff --git a/src/include/gnunet_json_lib.h b/src/include/gnunet_json_lib.h
index 82b8502e0..f6cabd589 100644
--- a/src/include/gnunet_json_lib.h
+++ b/src/include/gnunet_json_lib.h
@@ -225,7 +225,8 @@ GNUNET_JSON_spec_json (const char *name, json_t **jsonp);
  * @param[out] u8 where to store the integer found under @a name
  */
 struct GNUNET_JSON_Specification
-GNUNET_JSON_spec_uint8 (const char *name, uint8_t *u8);
+GNUNET_JSON_spec_uint8 (const char *name,
+                        uint8_t *u8);
 
 
 /**
@@ -235,7 +236,8 @@ GNUNET_JSON_spec_uint8 (const char *name, uint8_t *u8);
  * @param[out] u16 where to store the integer found under @a name
  */
 struct GNUNET_JSON_Specification
-GNUNET_JSON_spec_uint16 (const char *name, uint16_t *u16);
+GNUNET_JSON_spec_uint16 (const char *name,
+                         uint16_t *u16);
 
 
 /**
@@ -245,7 +247,8 @@ GNUNET_JSON_spec_uint16 (const char *name, uint16_t *u16);
  * @param[out] u32 where to store the integer found under @a name
  */
 struct GNUNET_JSON_Specification
-GNUNET_JSON_spec_uint32 (const char *name, uint32_t *u32);
+GNUNET_JSON_spec_uint32 (const char *name,
+                         uint32_t *u32);
 
 
 /**
@@ -255,7 +258,19 @@ GNUNET_JSON_spec_uint32 (const char *name, uint32_t *u32);
  * @param[out] u64 where to store the integer found under @a name
  */
 struct GNUNET_JSON_Specification
-GNUNET_JSON_spec_uint64 (const char *name, uint64_t *u64);
+GNUNET_JSON_spec_uint64 (const char *name,
+                         uint64_t *u64);
+
+
+/**
+ * 64-bit signed integer.
+ *
+ * @param name name of the JSON field
+ * @param[out] i64 where to store the integer found under @a name
+ */
+struct GNUNET_JSON_Specification
+GNUNET_JSON_spec_int64 (const char *name,
+                        int64_t *i64);
 
 
 /**
diff --git a/src/json/json_helper.c b/src/json/json_helper.c
index a405b8c3b..ea8408762 100644
--- a/src/json/json_helper.c
+++ b/src/json/json_helper.c
@@ -495,7 +495,7 @@ GNUNET_JSON_spec_uint32 (const char *name,
 
 
 /**
- * Parse given JSON object to a uint8_t.
+ * Parse given JSON object to a uint64_t.
  *
  * @param cls closure, NULL
  * @param root the json object representing data
@@ -545,6 +545,57 @@ GNUNET_JSON_spec_uint64 (const char *name,
 }
 
 
+/**
+ * Parse given JSON object to a int64_t.
+ *
+ * @param cls closure, NULL
+ * @param root the json object representing data
+ * @param[out] spec where to write the data
+ * @return #GNUNET_OK upon successful parsing; #GNUNET_SYSERR upon error
+ */
+static int
+parse_u64 (void *cls,
+           json_t *root,
+           struct GNUNET_JSON_Specification *spec)
+{
+  json_int_t val;
+  int64_t *up = spec->ptr;
+
+  if (! json_is_integer (root))
+  {
+    GNUNET_break_op (0);
+    return GNUNET_SYSERR;
+  }
+  val = json_integer_value (root);
+  *up = (int64_t) val;
+  return GNUNET_OK;
+}
+
+
+/**
+ * 64-bit signed integer.
+ *
+ * @param name name of the JSON field
+ * @param[out] i64 where to store the integer found under @a name
+ */
+struct GNUNET_JSON_Specification
+GNUNET_JSON_spec_uint64 (const char *name,
+                         int64_t *i64)
+{
+  struct GNUNET_JSON_Specification ret = {
+    .parser = &parse_i64,
+    .cleaner = NULL,
+    .cls = NULL,
+    .field = name,
+    .ptr = i64,
+    .ptr_size = sizeof(int64_t),
+    .size_ptr = NULL
+  };
+
+  return ret;
+}
+
+
 /* ************ GNUnet-specific parser specifications ******************* */
 
 /**

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