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commit a2438f668d4e7a2968a083da52f1b593bc892f0d
parent 7706f7e2fe24198606c77a8c199ef7e7019c9f5c
Author: Christian Grothoff <christian@grothoff.org>
Date:   Tue,  4 Aug 2026 13:48:57 +0200

libtalerjson: introduce TALER_JSON_spec_slug_copy()

Diffstat:
M
meson.build
 | 
2
+-
M
src/include/taler/taler_json_lib.h
 | 
13
+++++++++++++
M
src/json/json_helper.c
 | 
47
+++++++++++++++++++++++++++++++++++++++++++++++

3 files changed, 61 insertions(+), 1 deletion(-)
diff --git a/meson.build b/meson.build
@@ -282,7 +282,7 @@ if not get_option('only-doc')
 
     libltversions = [
         ['libtalerutil', '16:0:2'],
-        ['libtalerjson', '7:0:3'],
+        ['libtalerjson', '8:0:4'],
         ['libtalercurl', '0:1:0'],
         ['libtalerpq', '1:0:0'],
         ['libtalersq', '0:0:0'],
diff --git a/src/include/taler/taler_json_lib.h b/src/include/taler/taler_json_lib.h
@@ -613,6 +613,19 @@ TALER_JSON_spec_slug (const char *field,
 
 
 /**
+ * Generate line in parser specification for slugs (URL-safe identifiers).
+ * Creates a copy of the original string.
+ *
+ * @param field name of the field
+ * @param[out] slug string to initialize
+ * @return corresponding field spec
+ */
+struct GNUNET_JSON_Specification
+TALER_JSON_spec_slug_copy (const char *field,
+                           char **slug);
+
+
+/**
  * Generate line in parser specification for full
  * "payto://" URIs.
  *
diff --git a/src/json/json_helper.c b/src/json/json_helper.c
@@ -1524,6 +1524,53 @@ TALER_JSON_spec_slug (const char *field,
 
 
 /**
+ * Parse given JSON object to slug.
+ *
+ * @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 enum GNUNET_GenericReturnValue
+parse_slug_copy (void *cls,
+                 json_t *root,
+                 struct GNUNET_JSON_Specification *spec)
+{
+  const char *str;
+
+  (void) cls;
+  str = json_string_value (root);
+  if (NULL == str)
+  {
+    GNUNET_break_op (0);
+    return GNUNET_SYSERR;
+  }
+  if (! TALER_is_slug (str))
+  {
+    GNUNET_break_op (0);
+    return GNUNET_SYSERR;
+  }
+  *(char **) spec->ptr = GNUNET_strdup (str);
+  return GNUNET_OK;
+}
+
+
+struct GNUNET_JSON_Specification
+TALER_JSON_spec_slug_copy (const char *field,
+                           char **slug)
+{
+  struct GNUNET_JSON_Specification ret = {
+    .parser = &parse_slug_copy,
+    .field = field,
+    .ptr = slug
+  };
+
+  *slug = NULL;
+  return ret;
+}
+
+
+/**
  * Parse given JSON object to payto:// URI.
  *
  * @param cls closure, NULL