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commit 02d3e378dc4c49b2444b45311f87e98dd97a90ec
parent e66e78fdc8902e9f65bf76eed0d501785d624358
Author: Christian Grothoff <christian@grothoff.org>
Date:   Thu,  4 Jun 2026 22:20:31 +0200

talermhd: add new TALER_MHD_arg_to_bool

Diffstat:
M
src/include/taler/taler_mhd_lib.h
 | 
44
++++++++++++++++++++++++++++++++++++++++++++
M
src/mhd/mhd.c
 | 
30
++++++++++++++++++++++++++++++

2 files changed, 74 insertions(+), 0 deletions(-)
diff --git a/src/include/taler/taler_mhd_lib.h b/src/include/taler/taler_mhd_lib.h
@@ -99,6 +99,22 @@ TALER_MHD_arg_to_yna (struct MHD_Connection *connection,
 
 
 /**
+ * Convert query argument to @a b boolean value.
+ *
+ * @param connection connection to take query argument from
+ * @param arg argument to try for
+ * @param default_val value to assign if the argument is not present
+ * @param[out] b value to set
+ * @return true on success, false if the parameter was malformed
+ */
+bool
+TALER_MHD_arg_to_bool (struct MHD_Connection *connection,
+                       const char *arg,
+                       bool default_val,
+                       bool *b);
+
+
+/**
  * Set global options for response generation within libtalermhd.
  *
  * @param go global options to use
@@ -623,6 +639,34 @@ TALER_MHD_parse_request_arg_timestamp (struct MHD_Connection *connection,
           }                                         \
         } while (0)
 
+
+/**
+ * Extract optional "yes/no" argument from request.
+ * Macro that *returns* #MHD_YES/#MHD_NO if the
+ * argument existed but failed to parse.
+ *
+ * @param connection the MHD connection
+ * @param name name of the query parameter to parse
+ * @param def default value to set if absent
+ * @param[out] ret set to the yes/no/all value
+ */
+#define TALER_MHD_parse_request_bool(connection,name,def,ret) \
+        do {                                        \
+          if (! (TALER_MHD_arg_to_bool (connection, \
+                                        name,       \
+                                        def,        \
+                                        ret)) )     \
+          {                                         \
+            GNUNET_break_op (0);                    \
+            return TALER_MHD_reply_with_error (     \
+              connection,                           \
+              MHD_HTTP_BAD_REQUEST,                 \
+              TALER_EC_GENERIC_PARAMETER_MALFORMED, \
+              name);                                \
+          }                                         \
+        } while (0)
+
+
 /**
  * Extract optional numeric limit argument from request.
  *
diff --git a/src/mhd/mhd.c b/src/mhd/mhd.c
@@ -97,3 +97,33 @@ TALER_MHD_arg_to_yna (struct MHD_Connection *connection,
   }
   return false;
 }
+
+
+bool
+TALER_MHD_arg_to_bool (struct MHD_Connection *connection,
+                       const char *arg,
+                       bool default_val,
+                       bool *b)
+{
+  const char *str;
+
+  str = MHD_lookup_connection_value (connection,
+                                     MHD_GET_ARGUMENT_KIND,
+                                     arg);
+  if (NULL == str)
+  {
+    *b = default_val;
+    return true;
+  }
+  if (0 == strcasecmp (str, "yes"))
+  {
+    *b = true;
+    return true;
+  }
+  if (0 == strcasecmp (str, "no"))
+  {
+    *b = false;
+    return true;
+  }
+  return false;
+}