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Remove CastP completely

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This commit is contained in:
Behdad Esfahbod 2010-05-10 17:55:03 -04:00
parent 40cbefe858
commit a82ef7a893
1 changed files with 17 additions and 22 deletions
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39
src/hb-open-type-private.hh
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@ -41,14 +41,6 @@
* Casts
*/
/* Cast to "const char *" and "char *" */
template <typename Type>
inline const char * CharP (const Type* X)
{ return reinterpret_cast<const char *>(X); }
template <typename Type>
inline char * CharP (Type* X)
{ return reinterpret_cast<char *>(X); }
/* Cast to struct T, reference to reference */
template<typename Type, typename TObject>
inline const Type& CastR(const TObject &X)
@ -69,10 +61,10 @@ inline Type* CastP(TObject *X)
* location pointed to by P plus Ofs bytes. */
template<typename Type>
inline const Type& StructAtOffset(const void *P, unsigned int offset)
{ return * reinterpret_cast<const Type*> (CharP(P) + offset); }
{ return * reinterpret_cast<const Type*> ((const char *) P + offset); }
template<typename Type>
inline Type& StructAtOffset(void *P, unsigned int offset)
{ return * reinterpret_cast<Type*> (CharP(P) + offset); }
{ return * reinterpret_cast<Type*> ((char *) P + offset); }
/* StructAfter<T>(X) returns the struct T& that is placed after X.
* Works with X of variable size also. X must implement get_size() */
@ -216,15 +208,16 @@ struct hb_sanitize_context_t
inline bool check_range (const void *base, unsigned int len) const
{
bool ret = this->start <= base &&
base <= this->end &&
(unsigned int) (this->end - CharP(base)) >= len;
const char *p = (const char *) base;
bool ret = this->start <= p &&
p <= this->end &&
(unsigned int) (this->end - p) >= len;
if (HB_DEBUG_SANITIZE && (int) this->debug_depth < (int) HB_DEBUG_SANITIZE) \
fprintf (stderr, "SANITIZE(%p) %-*d-> range [%p..%p] (%d bytes) in [%p..%p] -> %s\n", \
base,
p,
this->debug_depth, this->debug_depth,
base, CharP(base) + len, len,
p, p + len, len,
this->start, this->end,
ret ? "pass" : "FAIL");
@ -233,13 +226,14 @@ struct hb_sanitize_context_t
inline bool check_array (const void *base, unsigned int record_size, unsigned int len) const
{
const char *p = (const char *) base;
bool overflows = len >= ((unsigned int) -1) / record_size;
if (HB_DEBUG_SANITIZE && (int) this->debug_depth < (int) HB_DEBUG_SANITIZE)
fprintf (stderr, "SANITIZE(%p) %-*d-> array [%p..%p] (%d*%d=%ld bytes) in [%p..%p] -> %s\n", \
base,
p,
this->debug_depth, this->debug_depth,
base, CharP(base) + (record_size * len), record_size, len, (unsigned long) record_size * len,
p, p + (record_size * len), record_size, len, (unsigned long) record_size * len,
this->start, this->end,
!overflows ? "does not overflow" : "OVERFLOWS FAIL");
@ -254,14 +248,15 @@ struct hb_sanitize_context_t
inline bool can_edit (const void *base HB_UNUSED, unsigned int len HB_UNUSED)
{
const char *p = (const char *) base;
this->edit_count++;
if (HB_DEBUG_SANITIZE && (int) this->debug_depth < (int) HB_DEBUG_SANITIZE)
fprintf (stderr, "SANITIZE(%p) %-*d-> edit(%u) [%p..%p] (%d bytes) in [%p..%p] -> %s\n", \
base,
p,
this->debug_depth, this->debug_depth,
this->edit_count,
base, CharP(base)+len, len,
p, p + len, len,
this->start, this->end,
this->writable ? "granted" : "REJECTED");
@ -389,7 +384,7 @@ struct IntType
TRACE_SANITIZE ();
return context->check_struct (this);
}
private:
protected:
BEInt<Type, sizeof (Type)> v;
public:
DEFINE_SIZE_STATIC (sizeof (Type));
@ -405,8 +400,8 @@ typedef IntType<int32_t> LONG; /* 32-bit signed integer. */
struct Tag : ULONG
{
/* What the char* converters return is NOT nul-terminated. Print using "%.4s" */
inline operator const char* (void) const { return CharP(this); }
inline operator char* (void) { return CharP(this); }
inline operator const char* (void) const { return reinterpret_cast<const char *> (&this->v); }
inline operator char* (void) { return reinterpret_cast<char *> (&this->v); }
public:
DEFINE_SIZE_STATIC (4);
};