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118 lines
3.6 KiB
C
118 lines
3.6 KiB
C
/* util.h - Utility functions for Gnupg
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* Copyright (C) 2001, 2002 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifndef GNUPG_COMMON_UTIL_H
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#define GNUPG_COMMON_UTIL_H
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#include <gcrypt.h> /* we need this for the memory function protos */
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#include <time.h> /* we need time_t */
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/* to pass hash functions to libksba we need to cast it */
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#define HASH_FNC ((void (*)(void *, const void*,size_t))gcry_md_write)
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/* get all the stuff from jnlib */
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#include "../jnlib/logging.h"
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#include "../jnlib/argparse.h"
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#include "../jnlib/stringhelp.h"
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#include "../jnlib/mischelp.h"
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#include "../jnlib/strlist.h"
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#include "../jnlib/dotlock.h"
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/* handy malloc macros - use only them */
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#define xtrymalloc(a) gcry_malloc ((a))
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#define xtrycalloc(a,b) gcry_calloc ((a),(b))
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#define xtryrealloc(a,b) gcry_realloc ((a),(b))
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#define xtrystrdup(a) gcry_strdup ((a))
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#define xfree(a) gcry_free ((a))
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#define xmalloc(a) gcry_xmalloc ((a))
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#define xcalloc(a,b) gcry_xcalloc ((a),(b))
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#define xrealloc(a,b) gcry_xrealloc ((a),(b))
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#define xstrdup(a) gcry_xstrdup ((a))
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#define seterr(a) (GNUPG_ ## a)
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/*-- maperror.c --*/
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int map_ksba_err (int err);
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int map_gcry_err (int err);
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int map_kbx_err (int err);
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int map_assuan_err (int err);
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int map_to_assuan_status (int rc);
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/*-- gettime.c --*/
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time_t gnupg_get_time (void);
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void gnupg_set_time (time_t newtime, int freeze);
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int gnupg_faked_time_p (void);
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/*-- signal.c --*/
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void gnupg_init_signals (int mode, void (*fast_cleanup)(void));
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void gnupg_pause_on_sigusr (int which);
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void gnupg_block_all_signals (void);
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void gnupg_unblock_all_signals (void);
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/*-- replacement functions from funcname.c --*/
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#if !HAVE_VASPRINTF
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#include <stdarg.h>
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int vasprintf (char **result, const char *format, va_list *args);
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int asprintf (char **result, const char *format, ...);
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#endif
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#if !HAVE_FOPENCOOKIE
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typedef struct
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{
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ssize_t (*read)(void*,char*,size_t);
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ssize_t (*write)(void*,const char*,size_t);
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int (*seek)(void*,off_t*,int);
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int (*close)(void*);
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} _IO_cookie_io_functions_t;
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typedef _IO_cookie_io_functions_t cookie_io_functions_t;
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FILE *fopencookie (void *cookie, const char *opentype,
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cookie_io_functions_t funclist);
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#endif /*!HAVE_FOPENCOOKIE*/
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/*-- some macros to replace ctype ones and avoid locale problems --*/
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#define spacep(p) (*(p) == ' ' || *(p) == '\t')
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#define digitp(p) (*(p) >= '0' && *(p) <= '9')
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#define hexdigitp(a) (digitp (a) \
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|| (*(a) >= 'A' && *(a) <= 'F') \
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|| (*(a) >= 'a' && *(a) <= 'f'))
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/* the atoi macros assume that the buffer has only valid digits */
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#define atoi_1(p) (*(p) - '0' )
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#define atoi_2(p) ((atoi_1(p) * 10) + atoi_1((p)+1))
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#define atoi_4(p) ((atoi_2(p) * 100) + atoi_2((p)+2))
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#define xtoi_1(p) (*(p) <= '9'? (*(p)- '0'): \
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*(p) <= 'F'? (*(p)-'A'+10):(*(p)-'a'+10))
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#define xtoi_2(p) ((xtoi_1(p) * 16) + xtoi_1((p)+1))
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#endif /*GNUPG_COMMON_UTIL_H*/
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