| /* Output stream that accumulates the output in memory. |
| Copyright (C) 2006, 2019-2020 Free Software Foundation, Inc. |
| Written by Bruno Haible <bruno@clisp.org>, 2006. |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| |
| #ifndef _MEMORY_OSTREAM_H |
| #define _MEMORY_OSTREAM_H |
| |
| #include <stdbool.h> |
| #include <stddef.h> |
| |
| #include "ostream.h" |
| |
| struct memory_ostream : struct ostream |
| { |
| methods: |
| /* Return a pointer to the output accumulated so far and its size: |
| Store them in *BUFP and *BUFLENP. |
| Note: These two return values become invalid when more output is done to |
| the stream or when the stream is freed. */ |
| void contents (memory_ostream_t stream, const void **bufp, size_t *buflenp); |
| }; |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| /* Create an output stream that accumulates the output in a memory buffer. */ |
| extern memory_ostream_t memory_ostream_create (void); |
| |
| |
| /* Test whether a given output stream is a memory_ostream. */ |
| extern bool is_instance_of_memory_ostream (ostream_t stream); |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _MEMORY_OSTREAM_H */ |