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Added be24.

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committer: mfx <mfx> 1035661372 +0000
This commit is contained in:
Markus F.X.J. Oberhumer 2002-10-26 19:42:52 +00:00
parent e8b97a12a9
commit f41e3c01f4
1 changed files with 29 additions and 0 deletions
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29
src/bele.h
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@ -51,6 +51,25 @@ inline void set_be16(void *bb, unsigned v)
} }
inline unsigned get_be24(const void *bb)
{
const upx_bytep b = (const upx_bytep) bb;
unsigned v;
v = (unsigned) b[2] << 0;
v |= (unsigned) b[1] << 8;
v |= (unsigned) b[0] << 16;
return v;
}
inline void set_be24(void *bb, unsigned v)
{
upx_bytep b = (upx_bytep) bb;
b[2] = (unsigned char) (v >> 0);
b[1] = (unsigned char) (v >> 8);
b[0] = (unsigned char) (v >> 16);
}
inline unsigned get_be32(const void *bb) inline unsigned get_be32(const void *bb)
{ {
const upx_bytep b = (const upx_bytep) bb; const upx_bytep b = (const upx_bytep) bb;
@ -162,6 +181,12 @@ inline int get_be16_signed(const void *bb)
return sign_extend(v, 16); return sign_extend(v, 16);
} }
inline int get_be24_signed(const void *bb)
{
int v = get_be24(bb);
return sign_extend(v, 24);
}
inline int get_be32_signed(const void *bb) inline int get_be32_signed(const void *bb)
{ {
int v = get_be32(bb); int v = get_be32(bb);
@ -315,12 +340,16 @@ inline T* operator - (T* ptr, const LE32& v) { return ptr - (const unsigned) v;
// for use with qsort() // for use with qsort()
int be16_compare(const void *e1, const void *e2); int be16_compare(const void *e1, const void *e2);
int be24_compare(const void *e1, const void *e2);
int be32_compare(const void *e1, const void *e2); int be32_compare(const void *e1, const void *e2);
int le16_compare(const void *e1, const void *e2); int le16_compare(const void *e1, const void *e2);
int le24_compare(const void *e1, const void *e2);
int le32_compare(const void *e1, const void *e2); int le32_compare(const void *e1, const void *e2);
int be16_compare_signed(const void *e1, const void *e2); int be16_compare_signed(const void *e1, const void *e2);
int be24_compare_signed(const void *e1, const void *e2);
int be32_compare_signed(const void *e1, const void *e2); int be32_compare_signed(const void *e1, const void *e2);
int le16_compare_signed(const void *e1, const void *e2); int le16_compare_signed(const void *e1, const void *e2);
int le24_compare_signed(const void *e1, const void *e2);
int le32_compare_signed(const void *e1, const void *e2); int le32_compare_signed(const void *e1, const void *e2);