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support/xmemstream.h
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* Error-checking wrappers for memstream functions. Copyright (C) 2016-2026 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #ifndef SUPPORT_XMEMSTREAM_H #define SUPPORT_XMEMSTREAM_H #include <stdio.h> #include <sys/cdefs.h> __BEGIN_DECLS /* Wrappers for other libc functions. */ struct xmemstream { FILE *out; char *buffer; size_t length; }; /* Create a new in-memory stream. Initializes *STREAM. After this function returns, STREAM->out is a file descriptor open for writing. errno is preserved, so that the %m format specifier can be used for writing to STREAM->out. */ void xopen_memstream (struct xmemstream *stream); /* Closes STREAM->OUT. After this function returns, STREAM->buffer and STREAM->length denote a memory range which contains the bytes written to the output stream. The caller should free STREAM->buffer. */ void xfclose_memstream (struct xmemstream *stream); __END_DECLS #endif /* SUPPORT_XMEMSTREAM_H */