diff options
Diffstat (limited to 'handy.h')
| -rw-r--r-- | handy.h | 11 |
1 files changed, 9 insertions, 2 deletions
@@ -578,8 +578,12 @@ destination, C<nitems> is the number of items, and C<type> is the type. =for apidoc Am|void|StructCopy|type src|type dest|type This is an architecture-independent macro to copy one structure to another. -=cut -*/ +=for apidoc Am|void|Poison|void* dest|int nitems|type + +Fill up memory with a pattern (byte 0xAB over and over again) that +hopefully catches attempts to access uninitialized memory. + +=cut */ #ifndef lint @@ -623,6 +627,8 @@ extern long lastxycount[MAXXCOUNT][MAXYCOUNT]; #define Copy(s,d,n,t) (void)memcpy((char*)(d),(char*)(s), (n) * sizeof(t)) #define Zero(d,n,t) (void)memzero((char*)(d), (n) * sizeof(t)) +#define Poison(d,n,t) (void)memset((char*)(d), 0xAB, (n) * sizeof(t)) + #else /* lint */ #define New(x,v,n,s) (v = Null(s *)) @@ -632,6 +638,7 @@ extern long lastxycount[MAXXCOUNT][MAXYCOUNT]; #define Move(s,d,n,t) #define Copy(s,d,n,t) #define Zero(d,n,t) +#define Poison(d,n,t) #define Safefree(d) (d) = (d) #endif /* lint */ |