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Fixed buggy and broken KBKEY_ENCODE and KBKEY_DECODE macros.

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This commit is contained in:
Jonas 'Sortie' Termansen 2012-02-09 23:53:10 +01:00
parent 5fde8e13ed
commit 133fb9871c
1 changed files with 16 additions and 9 deletions
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25
sortix/keycodes.h
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@ -143,19 +143,26 @@
#define KBKEY_ENCODE(_kbkey) \
({ \
int kbkey = (_kbkey); \
uint32_t codepoint = (1U<<30U) | ((unsigned) kbkey); \
codepoint &= ~(1U<<31U); \
codepoint; \
int __kbkey = (_kbkey); \
uint32_t __codepoint = (1U<<30U) | ((unsigned) __kbkey); \
__codepoint &= ~(1U<<31U); \
__codepoint; \
})
#define KBKEY_DECODE(_codepoint) \
({ \
uint32_t codepoint = (_codepoint); \
if ( !(codepoint & (1U<<30U)) ) { codepoint = 0U; } \
if ( codepoint & (1U<<29U) ) { codepoint |= (1U<<31U); } \
int kbkey = (int) codepoint; \
kbkey; \
struct { union { int __kbkey; uint32_t __codepoint; }; } __u; \
__u.__codepoint = (_codepoint); \
if ( __u.__codepoint & (1U<<30U) ) \
{ \
if ( __u.__codepoint & (1U<<29U) ) { __u.__codepoint |= (1U<<31U); } \
else { __u.__codepoint &= ~(1U<<30U); } \
} \
else \
{ \
__u.__codepoint = 0U; \
} \
__u.__kbkey; \
})
#endif