/* * * Copyright 2015 gRPC authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ #ifndef GRPC_SUPPORT_STRING_UTIL_H #define GRPC_SUPPORT_STRING_UTIL_H #include <grpc/support/port_platform.h> #include <grpc/impl/codegen/gpr_types.h> #ifdef __cplusplus extern "C" { #endif /** String utility functions */ /** Returns a copy of src that can be passed to gpr_free(). If allocation fails or if src is NULL, returns NULL. */ GPRAPI char* gpr_strdup(const char* src); /** printf to a newly-allocated string. The set of supported formats may vary between platforms. On success, returns the number of bytes printed (excluding the final '\0'), and *strp points to a string which must later be destroyed with gpr_free(). On error, returns -1 and sets *strp to NULL. If the format string is bad, the result is undefined. */ GPRAPI int gpr_asprintf(char** strp, const char* format, ...) GPR_PRINT_FORMAT_CHECK(2, 3); #ifdef __cplusplus } #endif #endif /* GRPC_SUPPORT_STRING_UTIL_H */