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author | Werner Koch <[email protected]> | 2006-08-01 12:23:34 +0000 |
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committer | Werner Koch <[email protected]> | 2006-08-01 12:23:34 +0000 |
commit | 8c219602515ae1dba5bc0da31077852dab61809e (patch) | |
tree | 49d596d702cfec2b8cc42ccaf8c90c82d5200ac5 /jnlib/mischelp.h | |
parent | Forgot this one. (diff) | |
parent | 2006-07-29 Marcus Brinkmann <[email protected]> (diff) | |
download | gnupg-8c219602515ae1dba5bc0da31077852dab61809e.tar.gz gnupg-8c219602515ae1dba5bc0da31077852dab61809e.zip |
Moved 1.9 branch to trunk
Diffstat (limited to '')
-rw-r--r-- | jnlib/mischelp.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/jnlib/mischelp.h b/jnlib/mischelp.h new file mode 100644 index 000000000..8e7f9c346 --- /dev/null +++ b/jnlib/mischelp.h @@ -0,0 +1,55 @@ +/* mischelp.h + * Copyright (C) 1999, 2000, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, + * USA. + */ + +#ifndef LIBJNLIB_MISCHELP_H +#define LIBJNLIB_MISCHHELP_H + + +#define DIM(v) (sizeof(v)/sizeof((v)[0])) +#define DIMof(type,member) DIM(((type *)0)->member) + + +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5 ) +# define JNLIB_GCC_M_FUNCTION 1 +# define JNLIB_GCC_A_NR __attribute__ ((noreturn)) +# define JNLIB_GCC_A_PRINTF( f, a ) __attribute__ ((format (printf,f,a))) +# define JNLIB_GCC_A_NR_PRINTF( f, a ) \ + __attribute__ ((noreturn, format (printf,f,a))) +#else +# define JNLIB_GCC_A_NR +# define JNLIB_GCC_A_PRINTF( f, a ) +# define JNLIB_GCC_A_NR_PRINTF( f, a ) +#endif + + +/* To avoid that a compiler optimizes certain memset calls away, these + macros may be used instead. */ +#define wipememory2(_ptr,_set,_len) do { \ + volatile char *_vptr=(volatile char *)(_ptr); \ + size_t _vlen=(_len); \ + while(_vlen) { *_vptr=(_set); _vptr++; _vlen--; } \ + } while(0) +#define wipememory(_ptr,_len) wipememory2(_ptr,0,_len) + + + + +#endif /*LIBJNLIB_MISCHELP_H*/ |