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Unify GET_32BIT()/PUT_32BIT() et al from numerous source files into misc.h.

I've done a bit of testing (not exhaustive), and I don't _think_ I've broken
anything...

[originally from svn r5632]
This commit is contained in:
Jacob Nevins
2005-04-12 20:04:56 +00:00
parent 5f12a93e1e
commit 6eec320f0b
17 changed files with 44 additions and 240 deletions

44
misc.h
View File

@ -80,4 +80,48 @@ void debug_memdump(void *buf, int len, int L);
#define max(x,y) ( (x) > (y) ? (x) : (y) )
#endif
#define GET_32BIT_LSB_FIRST(cp) \
(((unsigned long)(unsigned char)(cp)[0]) | \
((unsigned long)(unsigned char)(cp)[1] << 8) | \
((unsigned long)(unsigned char)(cp)[2] << 16) | \
((unsigned long)(unsigned char)(cp)[3] << 24))
#define PUT_32BIT_LSB_FIRST(cp, value) ( \
(cp)[0] = (unsigned char)(value), \
(cp)[1] = (unsigned char)((value) >> 8), \
(cp)[2] = (unsigned char)((value) >> 16), \
(cp)[3] = (unsigned char)((value) >> 24) )
#define GET_16BIT_LSB_FIRST(cp) \
(((unsigned long)(unsigned char)(cp)[0]) | \
((unsigned long)(unsigned char)(cp)[1] << 8))
#define PUT_16BIT_LSB_FIRST(cp, value) ( \
(cp)[0] = (unsigned char)(value), \
(cp)[1] = (unsigned char)((value) >> 8) )
#define GET_32BIT_MSB_FIRST(cp) \
(((unsigned long)(unsigned char)(cp)[0] << 24) | \
((unsigned long)(unsigned char)(cp)[1] << 16) | \
((unsigned long)(unsigned char)(cp)[2] << 8) | \
((unsigned long)(unsigned char)(cp)[3]))
#define GET_32BIT(cp) GET_32BIT_MSB_FIRST(cp)
#define PUT_32BIT_MSB_FIRST(cp, value) ( \
(cp)[0] = (unsigned char)((value) >> 24), \
(cp)[1] = (unsigned char)((value) >> 16), \
(cp)[2] = (unsigned char)((value) >> 8), \
(cp)[3] = (unsigned char)(value) )
#define PUT_32BIT(cp, value) PUT_32BIT_MSB_FIRST(cp, value)
#define GET_16BIT_MSB_FIRST(cp) \
(((unsigned long)(unsigned char)(cp)[0] << 8) | \
((unsigned long)(unsigned char)(cp)[1]))
#define PUT_16BIT_MSB_FIRST(cp, value) ( \
(cp)[0] = (unsigned char)((value) >> 8), \
(cp)[1] = (unsigned char)(value) )
#endif