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Implement the full range of ISO9660 number conversion routines in iso.h.

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MFC after:	2 weeks
This commit is contained in:
Dag-Erling Smørgrav 2005-10-18 13:35:08 +00:00
parent dbe16e65dc
commit a92fef8afc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=151447
3 changed files with 70 additions and 113 deletions
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15
lib/libstand/cd9660.c
View File

@ -118,21 +118,6 @@ struct ptable_ent {
#define cdb2devb(bno) ((bno) * ISO_DEFAULT_BLOCK_SIZE / DEV_BSIZE)
/* XXX these should be in the system headers */
static __inline int
isonum_722(p)
u_char *p;
{
return (*p << 8)|p[1];
}
static __inline int
isonum_732(p)
u_char *p;
{
return (*p << 24)|(p[1] << 16)|(p[2] << 8)|p[3];
}
static ISO_SUSP_HEADER *
susp_lookup_record(struct open_file *f, const char *identifier,
struct iso_directory_record *dp, int lenskip)

84
sys/fs/cd9660/iso.h
View File

@ -277,79 +277,65 @@ u_short sgetrune(const char *, size_t, char const **, int, void *);
* outside the kernel. Thus we don't hide them here.
*/
static __inline int isonum_711(u_char *);
static __inline int
isonum_711(p)
u_char *p;
/*
* 7xy
* x -> 1 = 8 bits, 2 = 16 bits, 3 = 32 bits
* y -> 1 = little-endian, 2 = big-endian, 3 = both (le then be)
*/
static __inline uint8_t
isonum_711(unsigned char *p)
{
return *p;
return p[0];
}
static __inline int isonum_712(char *);
static __inline int
isonum_712(p)
char *p;
static __inline uint8_t
isonum_712(unsigned char *p)
{
return *p;
return p[0];
}
#ifndef UNALIGNED_ACCESS
static __inline int isonum_723(u_char *);
static __inline int
isonum_723(p)
u_char *p;
static __inline uint8_t
isonum_713(unsigned char *p)
{
return *p|(p[1] << 8);
return p[0];
}
static __inline int isonum_733(u_char *);
static __inline int
isonum_733(p)
u_char *p;
static __inline uint16_t
isonum_721(unsigned char *p)
{
return *p|(p[1] << 8)|(p[2] << 16)|(p[3] << 24);
return (p[0] | p[1] << 8);
}
#else /* UNALIGNED_ACCESS */
#if BYTE_ORDER == LITTLE_ENDIAN
static __inline int
isonum_723(p)
u_char *p
static __inline uint16_t
isonum_722(unsigned char *p)
{
return *(u_int16t *)p;
return (p[1] | p[0] << 8);
}
static __inline int
isonum_733(p)
u_char *p;
static __inline uint16_t
isonum_723(unsigned char *p)
{
return *(u_int32t *)p;
return (p[0] | p[1] << 8);
}
#endif
#if BYTE_ORDER == BIG_ENDIAN
static __inline int
isonum_723(p)
u_char *p
static __inline uint32_t
isonum_731(unsigned char *p)
{
return *(u_int16t *)(p + 2);
return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24);
}
static __inline int
isonum_733(p)
u_char *p;
static __inline uint32_t
isonum_732(unsigned char *p)
{
return *(u_int32t *)(p + 4);
return (p[3] | p[2] << 8 | p[1] << 16 | p[0] << 24);
}
#endif
#endif /* UNALIGNED_ACCESS */
static __inline uint32_t
isonum_733(unsigned char *p)
{
return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24);
}
/*
* Associated files have a leading '='.

84
sys/isofs/cd9660/iso.h
View File

@ -277,79 +277,65 @@ u_short sgetrune(const char *, size_t, char const **, int, void *);
* outside the kernel. Thus we don't hide them here.
*/
static __inline int isonum_711(u_char *);
static __inline int
isonum_711(p)
u_char *p;
/*
* 7xy
* x -> 1 = 8 bits, 2 = 16 bits, 3 = 32 bits
* y -> 1 = little-endian, 2 = big-endian, 3 = both (le then be)
*/
static __inline uint8_t
isonum_711(unsigned char *p)
{
return *p;
return p[0];
}
static __inline int isonum_712(char *);
static __inline int
isonum_712(p)
char *p;
static __inline uint8_t
isonum_712(unsigned char *p)
{
return *p;
return p[0];
}
#ifndef UNALIGNED_ACCESS
static __inline int isonum_723(u_char *);
static __inline int
isonum_723(p)
u_char *p;
static __inline uint8_t
isonum_713(unsigned char *p)
{
return *p|(p[1] << 8);
return p[0];
}
static __inline int isonum_733(u_char *);
static __inline int
isonum_733(p)
u_char *p;
static __inline uint16_t
isonum_721(unsigned char *p)
{
return *p|(p[1] << 8)|(p[2] << 16)|(p[3] << 24);
return (p[0] | p[1] << 8);
}
#else /* UNALIGNED_ACCESS */
#if BYTE_ORDER == LITTLE_ENDIAN
static __inline int
isonum_723(p)
u_char *p
static __inline uint16_t
isonum_722(unsigned char *p)
{
return *(u_int16t *)p;
return (p[1] | p[0] << 8);
}
static __inline int
isonum_733(p)
u_char *p;
static __inline uint16_t
isonum_723(unsigned char *p)
{
return *(u_int32t *)p;
return (p[0] | p[1] << 8);
}
#endif
#if BYTE_ORDER == BIG_ENDIAN
static __inline int
isonum_723(p)
u_char *p
static __inline uint32_t
isonum_731(unsigned char *p)
{
return *(u_int16t *)(p + 2);
return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24);
}
static __inline int
isonum_733(p)
u_char *p;
static __inline uint32_t
isonum_732(unsigned char *p)
{
return *(u_int32t *)(p + 4);
return (p[3] | p[2] << 8 | p[1] << 16 | p[0] << 24);
}
#endif
#endif /* UNALIGNED_ACCESS */
static __inline uint32_t
isonum_733(unsigned char *p)
{
return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24);
}
/*
* Associated files have a leading '='.