taler-merchant-httpd_qr.h (1066B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2020 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU General Public License as published by the Free Software 7 Foundation; either version 3, or (at your option) any later version. 8 9 TALER is distributed in the hope that it will be useful, but WITHOUT ANY 10 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 11 A PARTICULAR PURPOSE. See the GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License along with 14 TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> 15 */ 16 /** 17 * @file taler-merchant-httpd_qr.h 18 * @brief logic to create QR codes in HTML 19 * @author Christian Grothoff 20 */ 21 #ifndef TALER_MERCHANT_HTTPD_QR_H 22 #define TALER_MERCHANT_HTTPD_QR_H 23 24 25 /** 26 * Create the HTML for a QR code for a URI. 27 * 28 * @param uri input string to encode 29 * @return NULL on error, encoded URI otherwise 30 */ 31 char * 32 TMH_create_qrcode (const char *uri); 33 34 35 #endif