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util.h
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/* util.h - Utility functions for Gnupg
* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG 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 2 of the License, or
* (at your option) any later version.
*
* GnuPG 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifndef GNUPG_COMMON_UTIL_H
#define GNUPG_COMMON_UTIL_H
#include
<gcrypt.h>
/* We need this for the memory function protos. */
#include
<time.h>
/* We need time_t. */
#include
<gpg-error.h>
/* we need gpg-error_t. */
/* to pass hash functions to libksba we need to cast it */
#define HASH_FNC ((void (*)(void *, const void*,size_t))gcry_md_write)
/* get all the stuff from jnlib */
#include
"../jnlib/logging.h"
#include
"../jnlib/argparse.h"
#include
"../jnlib/stringhelp.h"
#include
"../jnlib/mischelp.h"
#include
"../jnlib/strlist.h"
#include
"../jnlib/dotlock.h"
#include
"../jnlib/utf8conv.h"
/* handy malloc macros - use only them */
#define xtrymalloc(a) gcry_malloc ((a))
#define xtrycalloc(a,b) gcry_calloc ((a),(b))
#define xtryrealloc(a,b) gcry_realloc ((a),(b))
#define xtrystrdup(a) gcry_strdup ((a))
#define xfree(a) gcry_free ((a))
#define xmalloc(a) gcry_xmalloc ((a))
#define xmalloc_secure(a) gcry_xmalloc_secure ((a))
#define xcalloc(a,b) gcry_xcalloc ((a),(b))
#define xcalloc_secure(a,b) gcry_xcalloc_secure ((a),(b))
#define xrealloc(a,b) gcry_xrealloc ((a),(b))
#define xstrdup(a) gcry_xstrdup ((a))
/* A type to hold the ISO time. Note that this this is the same as
the the KSBA type ksba_isotime_t. */
typedef
char
gnupg_isotime_t
[
16
];
/*-- maperror.c --*/
int
map_kbx_err
(
int
err
);
gpg_error_t
map_assuan_err
(
int
err
);
int
map_to_assuan_status
(
int
rc
);
/*-- gettime.c --*/
time_t
gnupg_get_time
(
void
);
void
gnupg_get_isotime
(
gnupg_isotime_t
timebuf
);
void
gnupg_set_time
(
time_t
newtime
,
int
freeze
);
int
gnupg_faked_time_p
(
void
);
u32
make_timestamp
(
void
);
u32
scan_isodatestr
(
const
char
*
string
);
u32
add_days_to_timestamp
(
u32
stamp
,
u16
days
);
const
char
*
strtimevalue
(
u32
stamp
);
const
char
*
strtimestamp
(
u32
stamp
);
/* GMT */
const
char
*
asctimestamp
(
u32
stamp
);
/* localized */
/* Copy one iso ddate to another, this is inline so that we can do a
sanity check. */
static
inline
void
gnupg_copy_time
(
gnupg_isotime_t
d
,
const
gnupg_isotime_t
s
)
{
if
(
*
s
&&
(
strlen
(
s
)
!=
15
||
s
[
8
]
!=
'T'
))
BUG
();
strcpy
(
d
,
s
);
}
/*-- signal.c --*/
void
gnupg_init_signals
(
int
mode
,
void
(
*
fast_cleanup
)(
void
));
void
gnupg_pause_on_sigusr
(
int
which
);
void
gnupg_block_all_signals
(
void
);
void
gnupg_unblock_all_signals
(
void
);
/*-- yesno.c --*/
int
answer_is_yes
(
const
char
*
s
);
int
answer_is_yes_no_default
(
const
char
*
s
,
int
def_answer
);
int
answer_is_yes_no_quit
(
const
char
*
s
);
/*-- miscellaneous.c --*/
/* Same as asprintf but return an allocated buffer suitable to be
freed using xfree. This function simply dies on memory failure,
thus no extra check is required. */
char
*
xasprintf
(
const
char
*
fmt
,
...)
JNLIB_GCC_A_PRINTF
(
1
,
2
);
const
char
*
print_fname_stdout
(
const
char
*
s
);
const
char
*
print_fname_stdin
(
const
char
*
s
);
void
print_string
(
FILE
*
fp
,
const
byte
*
p
,
size_t
n
,
int
delim
);
void
print_utf8_string2
(
FILE
*
fp
,
const
byte
*
p
,
size_t
n
,
int
delim
);
void
print_utf8_string
(
FILE
*
fp
,
const
byte
*
p
,
size_t
n
);
char
*
make_printable_string
(
const
byte
*
p
,
size_t
n
,
int
delim
);
int
is_file_compressed
(
const
char
*
s
,
int
*
ret_rc
);
/*-- replacement functions from funcname.c --*/
#if !HAVE_VASPRINTF
#include
<stdarg.h>
int
vasprintf
(
char
**
result
,
const
char
*
format
,
va_list
args
);
int
asprintf
(
char
**
result
,
const
char
*
format
,
...)
JNLIB_GCC_A_PRINTF
(
2
,
3
);
#endif
/*-- some macros to replace ctype ones and avoid locale problems --*/
#define spacep(p) (*(p) == ' ' || *(p) == '\t')
#define digitp(p) (*(p) >= '0' && *(p) <= '9')
#define hexdigitp(a) (digitp (a) \
|| (*(a) >= 'A' && *(a) <= 'F') \
|| (*(a) >= 'a' && *(a) <= 'f'))
/* Note this isn't identical to a C locale isspace() without \f and
\v, but works for the purposes used here. */
#define ascii_isspace(a) ((a)==' ' || (a)=='\n' || (a)=='\r' || (a)=='\t')
/* the atoi macros assume that the buffer has only valid digits */
#define atoi_1(p) (*(p) - '0' )
#define atoi_2(p) ((atoi_1(p) * 10) + atoi_1((p)+1))
#define atoi_4(p) ((atoi_2(p) * 100) + atoi_2((p)+2))
#define xtoi_1(p) (*(p) <= '9'? (*(p)- '0'): \
*(p) <= 'F'? (*(p)-'A'+10):(*(p)-'a'+10))
#define xtoi_2(p) ((xtoi_1(p) * 16) + xtoi_1((p)+1))
#endif
/*GNUPG_COMMON_UTIL_H*/
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