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* util.h: Add wipememory2() macro (same as wipememory, but can specify the

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byte to wipe with).
This commit is contained in:
David Shaw 2002-11-06 15:40:45 +00:00
parent 90279250e8
commit 49db742b75
2 changed files with 7 additions and 1 deletions
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5
include/ChangeLog
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@ -1,3 +1,8 @@
2002-11-06 David Shaw <dshaw@jabberwocky.com>
* util.h: Add wipememory2() macro (same as wipememory, but can
specify the byte to wipe with).
2002-10-31 David Shaw <dshaw@jabberwocky.com>
* util.h: Add wipememory() macro.

3
include/util.h
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@ -257,7 +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)
#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)
/******* RISC OS stuff ***********/
#ifdef __riscos__