3 * Copyright 2015 gRPC authors.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
19 #ifndef GRPC_CORE_LIB_SLICE_B64_H
20 #define GRPC_CORE_LIB_SLICE_B64_H
22 #include <grpc/support/port_platform.h>
24 #include <grpc/slice.h>
26 /* Encodes data using base64. It is the caller's responsibility to free
27 the returned char * using gpr_free. Returns NULL on NULL input.
28 TODO(makdharma) : change the flags to bool from int */
29 char* grpc_base64_encode(const void* data, size_t data_size, int url_safe,
32 /* estimate the upper bound on size of base64 encoded data. The actual size
33 * is guaranteed to be less than or equal to the size returned here. */
34 size_t grpc_base64_estimate_encoded_size(size_t data_size, int url_safe,
37 /* Encodes data using base64 and write it to memory pointed to by result. It is
38 * the caller's responsibility to allocate enough memory in |result| to fit the
40 void grpc_base64_encode_core(char* result, const void* vdata, size_t data_size,
41 int url_safe, int multiline);
43 /* Decodes data according to the base64 specification. Returns an empty
44 slice in case of failure. */
45 grpc_slice grpc_base64_decode(const char* b64, int url_safe);
47 /* Same as above except that the length is provided by the caller. */
48 grpc_slice grpc_base64_decode_with_len(const char* b64, size_t b64_len,
51 #endif /* GRPC_CORE_LIB_SLICE_B64_H */