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/* Declarations for common convenience functions.
Copyright (C) 2006-2011 Red Hat, Inc.
This file is part of Red Hat elfutils.
Red Hat elfutils 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; version 2 of the License.
Red Hat elfutils 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 Red Hat elfutils; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
In addition, as a special exception, Red Hat, Inc. gives You the
additional right to link the code of Red Hat elfutils with code licensed
under an Open Source Initiative certified open source license
(http://www.opensource.org/licenses/index.php) and to distribute linked
combinations including the two. Non-GPL Code permitted under this
exception must only link to the code of Red Hat elfutils through those
well defined interfaces identified in the file named EXCEPTION found in
the source code files (the "Approved Interfaces"). The files of Non-GPL
Code may instantiate templates or use macros or inline functions from
the Approved Interfaces without causing the resulting work to be covered
by the GNU General Public License. Only Red Hat, Inc. may make changes
or additions to the list of Approved Interfaces. Red Hat's grant of
this exception is conditioned upon your not adding any new exceptions.
If you wish to add a new Approved Interface or exception, please contact
Red Hat. You must obey the GNU General Public License in all respects
for all of the Red Hat elfutils code and other code used in conjunction
with Red Hat elfutils except the Non-GPL Code covered by this exception.
If you modify this file, you may extend this exception to your version
of the file, but you are not obligated to do so. If you do not wish to
provide this exception without modification, you must delete this
exception statement from your version and license this file solely under
the GPL without exception.
Red Hat elfutils is an included package of the Open Invention Network.
An included package of the Open Invention Network is a package for which
Open Invention Network licensees cross-license their patents. No patent
license is granted, either expressly or impliedly, by designation as an
included package. Should you wish to participate in the Open Invention
Network licensing program, please visit www.openinventionnetwork.com
<http://www.openinventionnetwork.com>. */
#ifndef LIB_SYSTEM_H
#define LIB_SYSTEM_H 1
#include <argp.h>
#include <stddef.h>
#include <stdint.h>
#include <endian.h>
#include <byteswap.h>
#if __BYTE_ORDER == __LITTLE_ENDIAN
# define LE32(n) (n)
# define BE32(n) bswap_32 (n)
#elif __BYTE_ORDER == __BIG_ENDIAN
# define BE32(n) (n)
# define LE32(n) bswap_32 (n)
#else
# error "Unknown byte order"
#endif
extern void *xmalloc (size_t) __attribute__ ((__malloc__));
extern void *xcalloc (size_t, size_t) __attribute__ ((__malloc__));
extern void *xrealloc (void *, size_t) __attribute__ ((__malloc__));
extern char *xstrdup (const char *) __attribute__ ((__malloc__));
extern char *xstrndup (const char *, size_t) __attribute__ ((__malloc__));
extern uint32_t crc32 (uint32_t crc, unsigned char *buf, size_t len);
extern int crc32_file (int fd, uint32_t *resp);
/* A special gettext function we use if the strings are too short. */
#define sgettext(Str) \
({ const char *__res = strrchr (gettext (Str), '|'); \
__res ? __res + 1 : Str; })
#define gettext_noop(Str) Str
#define pwrite_retry(fd, buf, len, off) \
TEMP_FAILURE_RETRY (pwrite (fd, buf, len, off))
#define write_retry(fd, buf, n) \
TEMP_FAILURE_RETRY (write (fd, buf, n))
#define pread_retry(fd, buf, len, off) \
TEMP_FAILURE_RETRY (pread (fd, buf, len, off))
/* We need define two variables, argp_program_version_hook and
argp_program_bug_address, in all programs. argp.h declares these
variables as non-const (which is correct in general). But we can
do better, it is not going to change. So we want to move them into
the .rodata section. Define macros to do the trick. */
#define ARGP_PROGRAM_VERSION_HOOK_DEF \
void (*const apvh) (FILE *, struct argp_state *) \
__asm ("argp_program_version_hook")
#define ARGP_PROGRAM_BUG_ADDRESS_DEF \
const char *const apba__ __asm ("argp_program_bug_address")
/* The demangler from libstdc++. */
extern char *__cxa_demangle (const char *mangled_name, char *output_buffer,
size_t *length, int *status);
/* Color handling. */
/* Command line parser. */
extern const struct argp color_argp;
/* Coloring mode. */
enum color_enum
{
color_never = 0,
color_always,
color_auto
} __attribute__ ((packed));
extern enum color_enum color_mode;
/* Colors to use for the various components. */
extern char *color_address;
extern char *color_bytes;
extern char *color_mnemonic;
extern char *color_operand1;
extern char *color_operand2;
extern char *color_operand3;
extern char *color_label;
extern char *color_undef;
extern char *color_undef_tls;
extern char *color_undef_weak;
extern char *color_symbol;
extern char *color_tls;
extern char *color_weak;
extern const char color_off[];
#endif /* system.h */
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