1 /* 2 * QEMU base64 helpers 3 * 4 * Copyright (c) 2015 Red Hat, Inc. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 18 * 19 */ 20 21 #ifndef QEMU_BASE64_H 22 #define QEMU_BASE64_H 23 24 25 26 /** 27 * qbase64_decode: 28 * @input: the (possibly) base64 encoded text 29 * @in_len: length of @input or -1 if NUL terminated 30 * @out_len: filled with length of decoded data 31 * @errp: pointer to a NULL-initialized error object 32 * 33 * Attempt to decode the (possibly) base64 encoded 34 * text provided in @input. If the @input text may 35 * contain embedded NUL characters, or may not be 36 * NUL terminated, then @in_len must be set to the 37 * known size of the @input buffer. 38 * 39 * Note that embedded NULs, or lack of a NUL terminator 40 * are considered invalid base64 data and errors 41 * will be reported to this effect. 42 * 43 * If decoding is successful, the decoded data will 44 * be returned and @out_len set to indicate the 45 * number of bytes in the decoded data. The caller 46 * must use g_free() to free the returned data when 47 * it is no longer required. 48 * 49 * Returns: the decoded data or NULL 50 */ 51 uint8_t *qbase64_decode(const char *input, 52 size_t in_len, 53 size_t *out_len, 54 Error **errp); 55 56 57 #endif /* QEMU_BASE64_H */ 58