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/* Implementation header.
Copyright (C) 2019 Free Software Foundation, Inc.
This file is part of libctf.
libctf 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, 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; see the file COPYING. If not see
<http://www.gnu.org/licenses/>. */
#ifndef _CTF_IMPL_H
#define _CTF_IMPL_H
#include "config.h"
#include <sys/errno.h>
#include <ctf-api.h>
#include <sys/types.h>
#ifdef __cplusplus
extern "C"
{
#endif
/* Compiler attributes. */
#if defined (__GNUC__)
/* GCC. We assume that all compilers claiming to be GCC support sufficiently
many GCC attributes that the code below works. If some non-GCC compilers
masquerading as GCC in fact do not implement these attributes, version checks
may be required. */
/* We use the _libctf_*_ pattern to avoid clashes with any future attribute
macros glibc may introduce, which have names of the pattern
__attribute_blah__. */
#define _libctf_printflike_(string_index,first_to_check) \
__attribute__ ((__format__ (__printf__, (string_index), (first_to_check))))
#define _libctf_unlikely_(x) __builtin_expect ((x), 0)
#define _libctf_unused_ __attribute__ ((__unused__))
#define _libctf_malloc_ __attribute__((__malloc__))
#endif
_libctf_malloc_
extern void *ctf_data_alloc (size_t);
extern void ctf_data_free (void *, size_t);
extern void ctf_data_protect (void *, size_t);
_libctf_malloc_
extern void *ctf_mmap (size_t length, size_t offset, int fd);
extern void ctf_munmap (void *, size_t);
extern ssize_t ctf_pread (int fd, void *buf, ssize_t count, off_t offset);
_libctf_malloc_
extern void *ctf_alloc (size_t);
extern void ctf_free (void *);
_libctf_printflike_ (1, 2)
extern void ctf_dprintf (const char *, ...);
extern void libctf_init_debug (void);
extern int _libctf_debug; /* debugging messages enabled */
#ifdef __cplusplus
}
#endif
#endif /* _CTF_IMPL_H */
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