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* util.h: Add wipememory() macro.

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David Shaw 2002-10-31 15:22:21 +00:00
parent 321b88d0f6
commit 8be3f3e80c
2 changed files with 6 additions and 0 deletions
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include/ChangeLog
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@ -1,3 +1,7 @@
2002-10-31 David Shaw <dshaw@jabberwocky.com>
* util.h: Add wipememory() macro.
2002-10-21 Werner Koch <wk@gnupg.org> 2002-10-21 Werner Koch <wk@gnupg.org>
* util.h [__CYGWIN32__]: Don't need the registry prototypes. * util.h [__CYGWIN32__]: Don't need the registry prototypes.

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include/util.h
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@ -257,6 +257,8 @@ int vasprintf ( char **result, const char *format, va_list args);
#define DIM(v) (sizeof(v)/sizeof((v)[0])) #define DIM(v) (sizeof(v)/sizeof((v)[0]))
#define DIMof(type,member) DIM(((type *)0)->member) #define DIMof(type,member) DIM(((type *)0)->member)
#define wipememory(_ptr,_len) do { volatile char *_vptr=(volatile char *)(_ptr); size_t _vlen=(_len); while(_vlen) { *_vptr=0; _vptr++; _vlen--; } } while(0)
/******* RISC OS stuff ***********/ /******* RISC OS stuff ***********/
#ifdef __riscos__ #ifdef __riscos__
/* needed for strcasecmp() */ /* needed for strcasecmp() */