| /* |
| * |
| * 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 */ |