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Diffstat (limited to 'src/wire/wire_helper.c')
-rw-r--r-- | src/wire/wire_helper.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/wire/wire_helper.c b/src/wire/wire_helper.c new file mode 100644 index 000000000..34d40e11e --- /dev/null +++ b/src/wire/wire_helper.c @@ -0,0 +1,57 @@ +/* + This file is part of TALER + (C) 2018 Taler Systems SA + + TALER is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + TALER is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> +*/ + +/** + * @file wire/wire_helper.c + * @brief Helper functions for dealing with wire formats + * @author Christian Grothoff <christian@grothoff.org> + */ +#include "platform.h" +#include "taler_util.h" +#include "taler_wire_lib.h" + +/** + * Prefix of PAYTO URLs. + */ +#define PAYTO "payto://" + + +/** + * Obtain the payment method from a @a payto_url + * + * @param payto_url the URL to parse + * @return NULL on error (malformed @a payto_url) + */ +char * +TALER_WIRE_payto_get_method (const char *payto_url) +{ + const char *start; + const char *end; + + if (0 != strncmp (payto_url, + PAYTO, + strlen (PAYTO))) + return NULL; + start = &payto_url[strlen(PAYTO)]; + end = strchr (start, + (unsigned char) '/'); + if (NULL == end) + return NULL; + return GNUNET_strndup (start, + end - start); +} + +/* end of wire_helper.c */ |