From 8be3f3e80c8b7ed08bb0c9d68d5994e94b2b24bb Mon Sep 17 00:00:00 2001 From: David Shaw Date: Thu, 31 Oct 2002 15:22:21 +0000 Subject: * util.h: Add wipememory() macro. --- include/ChangeLog | 4 ++++ include/util.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/include/ChangeLog b/include/ChangeLog index d0394ef69..cc9b2f088 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,7 @@ +2002-10-31 David Shaw + + * util.h: Add wipememory() macro. + 2002-10-21 Werner Koch * util.h [__CYGWIN32__]: Don't need the registry prototypes. diff --git a/include/util.h b/include/util.h index a053c68be..fb021fa79 100644 --- a/include/util.h +++ b/include/util.h @@ -257,6 +257,8 @@ int vasprintf ( char **result, const char *format, va_list args); #define DIM(v) (sizeof(v)/sizeof((v)[0])) #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 ***********/ #ifdef __riscos__ /* needed for strcasecmp() */ -- cgit v1.2.3