diff options
Diffstat (limited to 'src/include/taler_mhd_lib.h')
-rw-r--r-- | src/include/taler_mhd_lib.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/include/taler_mhd_lib.h b/src/include/taler_mhd_lib.h index db6db05e8..c16772bff 100644 --- a/src/include/taler_mhd_lib.h +++ b/src/include/taler_mhd_lib.h @@ -27,6 +27,7 @@ #include <jansson.h> #include <microhttpd.h> #include "taler_error_codes.h" +#include "taler_util.h" #include <gnunet/gnunet_mhd_compat.h> @@ -521,6 +522,50 @@ TALER_MHD_parse_request_arg_number (struct MHD_Connection *connection, /** + * Extract optional amount argument from request. + * + * @param connection the MHD connection + * @param name name of the query parameter + * @param[out] val set to the amount, unchanged if the + * option was not given + * @return #GNUNET_OK on success, + * #GNUNET_NO if an error was returned on @a connection (caller should return #MHD_YES) and + * #GNUNET_SYSERR if we failed to return an error (caller should return #MHD_NO) + */ +enum GNUNET_GenericReturnValue +TALER_MHD_parse_request_arg_amount (struct MHD_Connection *connection, + const char *name, + struct TALER_Amount *val); + + +/** + * Extract optional amount argument from request. + * Macro that *returns* #MHD_YES/#MHD_NO if the + * requested argument existed but failed to parse. + * + * @param connection the MHD connection + * @param name name of the argument to parse + * @param[out] val set to the given amount, + * unchanged if value was not specified + */ +#define TALER_MHD_parse_request_amount(connection,name,val) \ + do { \ + switch (TALER_MHD_parse_request_arg_amount (connection, \ + name, \ + val)) \ + { \ + case GNUNET_SYSERR: \ + GNUNET_break (0); \ + return MHD_NO; \ + case GNUNET_NO: \ + GNUNET_break_op (0); \ + case GNUNET_OK: \ + break; \ + } \ + } while (0) + + +/** * Extract fixed-size base32crockford encoded data from request argument. * * Queues an error response to the connection if the parameter is missing or |